loncom/interface/lonsearchcat.pm - diff

Return to lonsearchcat.pm CVS log

Up to [LON-CAPA] / loncom / interface

Diff for /loncom/interface/lonsearchcat.pm between versions 1.240 and 1.287

version 1.240, 2005/03/21 21:01:15	version 1.287, 2007/06/15 23:29:17
Line 63 package Apache::lonsearchcat;	Line 63 package Apache::lonsearchcat;

use strict;	use strict;
use Apache::Constants qw(:common :http);	use Apache::Constants qw(:common :http);
use Apache::lonnet();	use Apache::lonnet;
use Apache::File();	use Apache::File();
use CGI qw(:standard);	use CGI qw(:standard);
use Text::Query;	use Text::Query;
Line 77 use LONCAPA::lonmetadata();	Line 77 use LONCAPA::lonmetadata();
use HTML::Entities();	use HTML::Entities();
use Parse::RecDescent;	use Parse::RecDescent;
use Apache::lonnavmaps;	use Apache::lonnavmaps;
	use Apache::lonindexer();
	use LONCAPA;

######################################################################	######################################################################
######################################################################	######################################################################
Line 93 my %persistent_db; # gdbm hash which h	Line 95 my %persistent_db; # gdbm hash which h
# The different view modes and associated functions	# The different view modes and associated functions

my %Views = ("detailed" => \&detailed_citation_view,	my %Views = ("detailed" => \&detailed_citation_view,
	"detailedpreview" => \&detailed_citation_preview,
"summary" => \&summary_view,	"summary" => \&summary_view,
	"summarypreview" => \&summary_preview,
"fielded" => \&fielded_format_view,	"fielded" => \&fielded_format_view,
"xml" => \&xml_sgml_view,	"xml" => \&xml_sgml_view,
"compact" => \&compact_view);	"compact" => \&compact_view);
Line 113 sub handler {	Line 117 sub handler {
my $diropendb; # The full path to the (temporary) search database file.	my $diropendb; # The full path to the (temporary) search database file.
# This is set and used in &handler() and is also used in	# This is set and used in &handler() and is also used in
# &output_results().	# &output_results().
my $bodytag; # LON-CAPA standard body tag, gotten from
# &Apache::lonnet::bodytag.
# No title, no table, just a <body> tag.

my $loaderror=&Apache::lonnet::overloaderror($r);	my $loaderror=&Apache::lonnet::overloaderror($r);
if ($loaderror) { return $loaderror; }	if ($loaderror) { return $loaderror; }
Line 137 sub handler {	Line 138 sub handler {
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['catalogmode','launch','acts','mode','form','element','pause',	['catalogmode','launch','acts','mode','form','element','pause',
'phase','persistent_db_id','table','start','show',	'phase','persistent_db_id','table','start','show',
'cleargroupsort','titleelement']);	'cleargroupsort','titleelement','area']);
##	##
## The following is a trick - we wait a few seconds if asked to so	## The following is a trick - we wait a few seconds if asked to so
## the daemon running the search can get ahead of the daemon	## the daemon running the search can get ahead of the daemon
## printing the results. We only need (theoretically) to do	## printing the results. We only need (theoretically) to do
## this once, so the pause indicator is deleted	## this once, so the pause indicator is deleted
##	##
if (exists($ENV{'form.pause'})) {	if (exists($env{'form.pause'})) {
sleep(1);	sleep(1);
delete($ENV{'form.pause'});	delete($env{'form.pause'});
}	}
##	##
## Initialize global variables	## Initialize global variables
##	##
my $domain = $r->dir_config('lonDefDomain');	my $domain = $r->dir_config('lonDefDomain');
$diropendb= "/home/httpd/perl/tmp/".	$diropendb= "/home/httpd/perl/tmp/".
"$ENV{'user.domain'}_$ENV{'user.name'}_searchcat.db";	"$env{'user.domain'}_$env{'user.name'}_sel_res.db";
#	#
# set the name of the persistent database	# set the name of the persistent database
# $ENV{'form.persistent_db_id'} can only have digits in it.	# $env{'form.persistent_db_id'} can only have digits in it.
if (! exists($ENV{'form.persistent_db_id'}) \|\|	if (! exists($env{'form.persistent_db_id'}) \|\|
($ENV{'form.persistent_db_id'} =~ /\D/) \|\|	($env{'form.persistent_db_id'} =~ /\D/) \|\|
($ENV{'form.launch'} eq '1')) {	($env{'form.launch'} eq '1')) {
$ENV{'form.persistent_db_id'} = time;	$env{'form.persistent_db_id'} = time;
}	}
$bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
my $persistent_db_file = "/home/httpd/perl/tmp/".	my $persistent_db_file = "/home/httpd/perl/tmp/".
&Apache::lonnet::escape($domain).	&escape($domain).
'_'.&Apache::lonnet::escape($ENV{'user.name'}).	'_'.&escape($env{'user.name'}).
'_'.$ENV{'form.persistent_db_id'}.'_persistent_search.db';	'_'.$env{'form.persistent_db_id'}.'_persistent_search.db';
##	##
&Apache::lonhtmlcommon::clear_breadcrumbs();	&Apache::lonhtmlcommon::clear_breadcrumbs();
if (exists($ENV{'request.course.id'}) && $ENV{'request.course.id'} ne '') {
&Apache::lonhtmlcommon::add_breadcrumb	my @allowed_searches = ('portfolio');
({href=>'/adm/searchcat?'.	if (&Apache::lonnet::allowed('bre',$env{'request.role.domain'})) {
'catalogmode='.$ENV{'form.catalogmode'}.	push(@allowed_searches,'res');
'&launch='.$ENV{'form.launch'}.	}
'&mode='.$ENV{'form.mode'},	if (exists($env{'request.course.id'}) && $env{'request.course.id'} ne '') {
text=>"Course and Catalog Search",	push(@allowed_searches,'course');
target=>'_top',	}
bug=>'Searching',});	my $crumb_text = 'Portfolio Search';
} else {	if (@allowed_searches == 3) {
&Apache::lonhtmlcommon::add_breadcrumb	$crumb_text = 'Course, Portfolio and Catalog Search';
({href=>'/adm/searchcat?'.	} elsif (@allowed_searches ==2) {
'catalogmode='.$ENV{'form.catalogmode'}.	if (grep(/^res$/,@allowed_searches)) {
'&launch='.$ENV{'form.launch'}.	$crumb_text = 'Portfolio and Catalog Search';
'&mode='.$ENV{'form.mode'},	} elsif (grep(/^course$/,@allowed_searches)) {
text=>"Catalog Search",	$crumb_text = 'Portfolio and Course Search';
	}
	}
	&Apache::lonhtmlcommon::add_breadcrumb
	({href=>'/adm/searchcat?'.
	'catalogmode='.$env{'form.catalogmode'}.
	'&launch='.$env{'form.launch'}.
	'&mode='.$env{'form.mode'},
	text=>"$crumb_text",
target=>'_top',	target=>'_top',
bug=>'Searching',});	bug=>'Searching',});
}
#	#
if ($ENV{'form.phase'} !~ m/(basic\|adv\|course)_search/) {	if ($env{'form.phase'} !~ m/(basic\|adv\|course)_search/) {
if (! &get_persistent_form_data($persistent_db_file)) {	if (! &get_persistent_form_data($persistent_db_file)) {
if ($ENV{'form.phase'} =~ /(run_search\|results)/) {	if ($env{'form.phase'} =~ /(run_search\|results)/) {
&Apache::lonnet::logthis('lonsearchcat:'.	&Apache::lonnet::logthis('lonsearchcat:'.
'Unable to recover data from '.	'Unable to recover data from '.
$persistent_db_file);	$persistent_db_file);
my $html=&Apache::lonxml::xmlbegin();	my $msg =
$r->print(<<END);	'We were unable to retrieve data describing your search. '.
$html	'This is a serious error and has been logged. '.
<head>	'Please alert your LON-CAPA administrator.';
<title>LON-CAPA Search Error</title></head>	&Apache::loncommon::simple_error_page($r,'Search Error',
$bodytag	$msg);
We were unable to retrieve data describing your search. This is a serious	return OK;
error and has been logged. Please alert your LON-CAPA administrator.
</body>
</html>
END
return OK;
}	}
}	}
} else {	} else {
Line 216 END	Line 219 END
## Clear out old values from groupsearch database	## Clear out old values from groupsearch database
##	##
untie %groupsearch_db if (tied(%groupsearch_db));	untie %groupsearch_db if (tied(%groupsearch_db));
if (($ENV{'form.cleargroupsort'} eq '1') \|\|	if (($env{'form.cleargroupsort'} eq '1') \|\|
(($ENV{'form.launch'} eq '1') &&	(($env{'form.launch'} eq '1') &&
($ENV{'form.catalogmode'} eq 'groupsearch'))) {	($env{'form.catalogmode'} eq 'import'))) {
if (tie(%groupsearch_db,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) {	if (tie(%groupsearch_db,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) {
&start_fresh_session();	&start_fresh_session();
untie %groupsearch_db;	untie %groupsearch_db;
delete($ENV{'form.cleargroupsort'});	delete($env{'form.cleargroupsort'});
} else {	} else {
# This is a stupid error to give to the user.	# This is a stupid error to give to the user.
# It really tells them nothing.	# It really tells them nothing.
my $html=&Apache::lonxml::xmlbegin();	my $msg = 'Unable to tie hash to db file.';
$r->print($html.'<head></head>'.$bodytag.	&Apache::loncommon::simple_error_page($r,'Search Error',
'Unable to tie hash to db file</body></html>');	$msg);
return OK;	return OK;
}	}
}	}
Line 236 END	Line 239 END
## Configure hidden fields	## Configure hidden fields
##	##
$hidden_fields = '<input type="hidden" name="persistent_db_id" value="'.	$hidden_fields = '<input type="hidden" name="persistent_db_id" value="'.
$ENV{'form.persistent_db_id'}.'" />'."\n";	$env{'form.persistent_db_id'}.'" />'."\n";
if (exists($ENV{'form.catalogmode'})) {	if (exists($env{'form.catalogmode'})) {
$hidden_fields .= &hidden_field('catalogmode');	$hidden_fields .= &hidden_field('catalogmode');
}	}
if (exists($ENV{'form.form'})) {	if (exists($env{'form.form'})) {
$hidden_fields .= &hidden_field('form');	$hidden_fields .= &hidden_field('form');
}	}
if (exists($ENV{'form.element'})) {	if (exists($env{'form.element'})) {
$hidden_fields .= &hidden_field('element');	$hidden_fields .= &hidden_field('element');
}	}
if (exists($ENV{'form.titleelement'})) {	if (exists($env{'form.titleelement'})) {
$hidden_fields .= &hidden_field('titleelement');	$hidden_fields .= &hidden_field('titleelement');
}	}
if (exists($ENV{'form.mode'})) {	if (exists($env{'form.mode'})) {
$hidden_fields .= &hidden_field('mode');	$hidden_fields .= &hidden_field('mode');
}	}
	if (exists($env{'form.area'})) {
	$hidden_fields .= &hidden_field('area');
	}
##	##
## Configure dynamic components of interface	## Configure dynamic components of interface
##	##
if ($ENV{'form.catalogmode'} eq 'interactive') {	if ($env{'form.catalogmode'} eq 'interactive') {
$closebutton="<input type='button' name='close' value='CLOSE' ";	$closebutton="<input type='button' name='close' value='CLOSE' ";
if ($ENV{'form.phase'} =~ /(results\|run_search)/) {	if ($env{'form.phase'} =~ /(results\|run_search)/) {
$closebutton .="onClick='parent.close()'";	$closebutton .="onClick='parent.close()'";
} else {	} else {
$closebutton .="onClick='self.close()'";	$closebutton .="onClick='self.close()'";
}	}
$closebutton .=">\n";	$closebutton .=">\n";
} elsif ($ENV{'form.catalogmode'} eq 'groupsearch') {	} elsif ($env{'form.catalogmode'} eq 'import') {
$closebutton="<input type='button' name='close' value='CLOSE' ";	$closebutton="<input type='button' name='close' value='CLOSE' ";
if ($ENV{'form.phase'} =~ /(results\|run_search)/) {	if ($env{'form.phase'} =~ /(results\|run_search)/) {
$closebutton .="onClick='parent.close()'";	$closebutton .="onClick='parent.close()'";
} else {	} else {
$closebutton .="onClick='self.close()'";	$closebutton .="onClick='self.close()'";
Line 282 END	Line 288 END
##	##
## Sanity checks on form elements	## Sanity checks on form elements
##	##
if (!defined($ENV{'form.viewselect'})) {	if (!defined($env{'form.viewselect'})) {
if (($ENV{'form.catalogmode'} eq 'groupsearch') \|\|	$env{'form.viewselect'} ="summary";
($ENV{'form.catalogmode'} eq 'interactive')) {
$ENV{'form.viewselect'} ="Compact View";
} else {
$ENV{'form.viewselect'} ="Detailed Citation View";
}
}
$ENV{'form.phase'} = 'disp_basic' if (! exists($ENV{'form.phase'}));
$ENV{'form.show'} = 20 if (! exists($ENV{'form.show'}));
#
$ENV{'form.searchmode'} = 'basic' if (! exists($ENV{'form.searchmode'}));
if ($ENV{'form.phase'} eq 'adv_search' \|\|
$ENV{'form.phase'} eq 'disp_adv') {
$ENV{'form.searchmode'} = 'advanced';
} elsif ($ENV{'form.phase'} eq 'course_search') {
$ENV{'form.searchmode'} = 'course_search';
}	}
	$env{'form.phase'} = 'disp_basic' if (! exists($env{'form.phase'}));
	$env{'form.show'} = 20 if (! exists($env{'form.show'}));
#	#
if ($ENV{'form.searchmode'} eq 'advanced') {	$env{'form.searchmode'} = 'basic' if (! exists($env{'form.searchmode'}));
	if ($env{'form.phase'} eq 'adv_search' \|\|
	$env{'form.phase'} eq 'disp_adv') {
	$env{'form.searchmode'} = 'advanced';
	} elsif ($env{'form.phase'} eq 'course_search') {
	$env{'form.searchmode'} = 'course_search';
	}
	#
	if ($env{'form.searchmode'} eq 'advanced') {
	my $srchtype = 'Catalog';
	if ($env{'form.area'} eq 'portfolio') {
	$srchtype = 'Portfolio';
	}
&Apache::lonhtmlcommon::add_breadcrumb	&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/searchcat?phase=disp_adv&'.	({href=>'/adm/searchcat?phase=disp_adv&'.
'catalogmode='.$ENV{'form.catalogmode'}.	'catalogmode='.$env{'form.catalogmode'}.
'&launch='.$ENV{'form.launch'}.	'&launch='.$env{'form.launch'}.
'&mode='.$ENV{'form.mode'},	'&mode='.$env{'form.mode'},
text=>"Advanced Search",	text=>"Advanced $srchtype Search",
bug=>'Searching',});	bug=>'Searching',});
} elsif ($ENV{'form.searchmode'} eq 'course search') {	} elsif ($env{'form.searchmode'} eq 'course search') {
&Apache::lonhtmlcommon::add_breadcrumb	&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/searchcat?phase=disp_adv&'.	({href=>'/adm/searchcat?phase=disp_adv&'.
'catalogmode='.$ENV{'form.catalogmode'}.	'catalogmode='.$env{'form.catalogmode'}.
'&launch='.$ENV{'form.launch'}.	'&launch='.$env{'form.launch'}.
'&mode='.$ENV{'form.mode'},	'&mode='.$env{'form.mode'},
text=>"Course Search",	text=>"Course Search",
bug=>'Searching',});	bug=>'Searching',});
}	}
##	##
## Switch on the phase	## Switch on the phase
##	##
if ($ENV{'form.phase'} eq 'disp_basic') {	if ($env{'form.phase'} eq 'disp_basic') {
&print_basic_search_form($r,$closebutton,$hidden_fields);	&print_basic_search_form($r,$closebutton,$hidden_fields);
} elsif ($ENV{'form.phase'} eq 'disp_adv') {	} elsif ($env{'form.phase'} eq 'disp_adv') {
&print_advanced_search_form($r,$closebutton,$hidden_fields);	&print_advanced_search_form($r,$closebutton,$hidden_fields);
} elsif ($ENV{'form.phase'} eq 'results') {	} elsif ($env{'form.phase'} eq 'results') {
&display_results($r,$importbutton,$closebutton,$diropendb);	&display_results($r,$importbutton,$closebutton,$diropendb,
} elsif ($ENV{'form.phase'} =~ /^(sort\|run_search)$/) {	$env{'form.area'});
	} elsif ($env{'form.phase'} =~ /^(sort\|run_search)$/) {
my ($query,$customquery,$customshow,$libraries,$pretty_string) =	my ($query,$customquery,$customshow,$libraries,$pretty_string) =
&get_persistent_data($persistent_db_file,	&get_persistent_data($persistent_db_file,
['query','customquery','customshow',	['query','customquery','customshow',
'libraries','pretty_string']);	'libraries','pretty_string']);
if ($ENV{'form.phase'} eq 'sort') {	if ($env{'form.phase'} eq 'sort') {
&print_sort_form($r,$pretty_string);	&print_sort_form($r,$pretty_string);
} elsif ($ENV{'form.phase'} eq 'run_search') {	} elsif ($env{'form.phase'} eq 'run_search') {
&run_search($r,$query,$customquery,$customshow,	&run_search($r,$query,$customquery,$customshow,
$libraries,$pretty_string);	$libraries,$pretty_string,$env{'form.area'});
}	}
} elsif ($ENV{'form.phase'} eq 'course_search') {	} elsif ($env{'form.phase'} eq 'course_search') {
&course_search($r);	&course_search($r);
} elsif(($ENV{'form.phase'} eq 'basic_search') \|\|	} elsif(($env{'form.phase'} eq 'basic_search') \|\|
($ENV{'form.phase'} eq 'adv_search')) {	($env{'form.phase'} eq 'adv_search')) {
#	#
# We are running a search, try to parse it	# We are running a search, try to parse it
my ($query,$customquery,$customshow,$libraries) =	my ($query,$customquery,$customshow,$libraries) =
(undef,undef,undef,undef);	(undef,undef,undef,undef);
my $pretty_string;	my $pretty_string;
if ($ENV{'form.phase'} eq 'basic_search') {	if ($env{'form.phase'} eq 'basic_search') {
($query,$pretty_string,$libraries) =	($query,$pretty_string,$libraries) =
&parse_basic_search($r,$closebutton,$hidden_fields);	&parse_basic_search($r,$closebutton,$hidden_fields);
return OK if (! defined($query));	return OK if (! defined($query));
&make_persistent({ basicexp => $ENV{'form.basicexp'}},	&make_persistent({ basicexp => $env{'form.basicexp'}},
$persistent_db_file);	$persistent_db_file);
} else { # Advanced search	} else { # Advanced search
($query,$customquery,$customshow,$libraries,$pretty_string)	($query,$customquery,$customshow,$libraries,$pretty_string)
Line 366 END	Line 372 END
$persistent_db_file);	$persistent_db_file);
#	#
# Set up table	# Set up table
if (! defined(&create_results_table())) {	if (! defined(&create_results_table($env{'form.area'}))) {
my $errorstring=&Apache::lonmysql::get_error();	my $errorstring=&Apache::lonmysql::get_error();
&Apache::lonnet::logthis('lonsearchcat.pm: Unable to create '.	&Apache::lonnet::logthis('lonsearchcat.pm: Unable to create '.
'needed table. lonmysql error:'.	'needed table. lonmysql error:'.
$errorstring);	$errorstring);
my $html=&Apache::lonxml::xmlbegin();
$r->print(<<END);	my $msg =
$html	'Unable to create table in which to save search results. '.
<head>	'The search has been aborted.';
<title>Search Error</title></head>	&Apache::loncommon::simple_error_page($r,'Search Error',
$bodytag	$msg);
Unable to create table in which to store search results.	return OK;
The search has been aborted.
</body>
</html>
END
return OK;
}	}
delete($ENV{'form.launch'});	delete($env{'form.launch'});
if (! &make_form_data_persistent($r,$persistent_db_file)) {	if (! &make_form_data_persistent($r,$persistent_db_file)) {
my $html=&Apache::lonxml::xmlbegin();	my $msg=
$r->print(<<END);	'Unable to properly save search information. '.
$html	'The search has been aborted.';
<head>	&Apache::loncommon::simple_error_page($r,'Search Error',
<title>Search Error</title></head>	$msg);
$bodytag	return OK;
Unable to properly store search information. The search has been aborted.	}
</body>
</html>
END
return OK;
}
##	##
## Print out the frames interface	## Print out the frames interface
##	##
Line 415 END	Line 411 END
# This routine sets non existant checkbox form elements to ''.	# This routine sets non existant checkbox form elements to ''.
#	#
sub clean_up_environment {	sub clean_up_environment {
if ($ENV{'form.phase'} eq 'basic_search') {	if ($env{'form.phase'} eq 'basic_search') {
if (! exists($ENV{'form.related'})) {	if (! exists($env{'form.related'})) {
$ENV{'form.related'} = '';	$env{'form.related'} = '';
}	}
if (! exists($ENV{'form.domains'})) {	if (! exists($env{'form.domains'})) {
$ENV{'form.domains'} = '';	$env{'form.domains'} = '';
}	}
} elsif ($ENV{'form.phase'} eq 'adv_search') {	} elsif ($env{'form.phase'} eq 'adv_search') {
foreach my $field ('title','keywords','notes',	foreach my $field ('title','keywords','notes',
'abstract','standards','mime') {	'abstract','standards','mime') {
if (! exists($ENV{'form.'.$field.'_related'})) {	if (! exists($env{'form.'.$field.'_related'})) {
$ENV{'form.'.$field.'_related'} = '';	$env{'form.'.$field.'_related'} = '';
}	}
}	}
} elsif ($ENV{'form.phase'} eq 'course_search') {	} elsif ($env{'form.phase'} eq 'course_search') {
if (! exists($ENV{'form.crsrelated'})) {	if (! exists($env{'form.crsrelated'})) {
$ENV{'form.crsrelated'} = '';	$env{'form.crsrelated'} = '';
}	}
}	}
}	}
Line 439 sub clean_up_environment {	Line 435 sub clean_up_environment {
sub hidden_field {	sub hidden_field {
my ($name,$value) = @_;	my ($name,$value) = @_;
if (! defined($value)) {	if (! defined($value)) {
$value = $ENV{'form.'.$name};	$value = $env{'form.'.$name};
}	}
return '<input type="hidden" name="'.$name.'" value="'.$value.'" />'.$/;	return '<input type="hidden" name="'.$name.'" value="'.$value.'" />'.$/;
}	}
Line 469 sub make_symb {	Line 465 sub make_symb {

sub course_search {	sub course_search {
my $r=shift;	my $r=shift;
my $bodytag=&Apache::loncommon::bodytag('Course Search');	my $pretty_search_string = '<b>'.$env{'form.courseexp'}.'</b>';
my $pretty_search_string = '<b>'.$ENV{'form.courseexp'}.'</b>';	my $search_string = $env{'form.courseexp'};
my $search_string = $ENV{'form.courseexp'};
my @New_Words;	my @New_Words;
undef(%alreadyseen);	undef(%alreadyseen);
if ($ENV{'form.crsrelated'}) {	if ($env{'form.crsrelated'}) {
($search_string,@New_Words) = &related_version($ENV{'form.courseexp'});	($search_string,@New_Words) = &related_version($env{'form.courseexp'});
if (@New_Words) {	if (@New_Words) {
$pretty_search_string .= ' '.&mt("with related words").": <b>@New_Words</b>.";	$pretty_search_string .= ' '.&mt("with related words").": <b>@New_Words</b>.";
} else {	} else {
$pretty_search_string .= ' '.&mt('with no related words').".";	$pretty_search_string .= ' '.&mt('with no related words').".";
}	}
}	}
my $fulltext=$ENV{'form.crsfulltext'};	my $fulltext=$env{'form.crsfulltext'};
my $discuss=$ENV{'form.crsdiscuss'};	my $discuss=$env{'form.crsdiscuss'};
my @allwords=($search_string,@New_Words);	my @allwords=($search_string,@New_Words);
$totalfound=0;	$totalfound=0;
my $html=&Apache::lonxml::xmlbegin();	$r->print(&Apache::loncommon::start_page('Course Search').
$r->print($html.'<head><title>LON-CAPA Course Search</title></head>'.	'<hr /><center><font size="+2" face="arial">'.
$bodytag.'<hr /><center><font size="+2" face="arial">'.$pretty_search_string.'</font></center><hr /><b>'.&mt('Course content').':</b><br />');	$pretty_search_string.'</font></center>'.
	'<hr /><b>'.&mt('Course content').':</b><br />');
$r->rflush();	$r->rflush();
# ======================================================= Go through the course	# ======================================================= Go through the course
my $c=$r->connection;	my $c=$r->connection;
if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db",	if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
&GDBM_READER(),0640)) {	&GDBM_READER(),0640)) {
foreach (sort(keys(%hash))) {	foreach (sort(keys(%hash))) {
if ($c->aborted()) { last; }	if ($c->aborted()) { last; }
if (($_=~/^src\_(.+)$/)) {	if (($_=~/^src\_(.+)$/)) {
if ($hash{'randomout_'.$1} & !$ENV{'request.role.adv'}) {	if ($hash{'randomout_'.$1} & !$env{'request.role.adv'}) {
next;	next;
}	}
my $symb=&make_symb($1);	my $symb=&make_symb($1);
Line 518 sub course_search {	Line 514 sub course_search {
my $navmap = Apache::lonnavmaps::navmap->new();	my $navmap = Apache::lonnavmaps::navmap->new();
my @allres=$navmap->retrieveResources();	my @allres=$navmap->retrieveResources();
my %discussiontime = &Apache::lonnet::dump('discussiontimes',	my %discussiontime = &Apache::lonnet::dump('discussiontimes',
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	$env{'course.'.$env{'request.course.id'}.'.domain'},
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.num'});
foreach my $resource (@allres) {	foreach my $resource (@allres) {
my $result = '';	my $result = '';
my $applies = 0;	my $applies = 0;
my $symb = $resource->symb();	my $symb = $resource->symb();
my $ressymb = $symb;	my $ressymb = $symb;
if ($symb =~ m#(___adm/\w+/\w+)/(\d+)/bulletinboard$#) {	if ($symb =~ m#(___adm/$LONCAPA::domain_re/$LONCAPA::username_re)/(\d+)/bulletinboard$#) {
$ressymb = 'bulletin___'.$2.$1.'/'.$2.'/bulletinboard';	$ressymb = 'bulletin___'.$2.$1.'/'.$2.'/bulletinboard';
unless ($ressymb =~ m#bulletin___\d+___adm/wrapper#) {	unless ($ressymb =~ m#bulletin___\d+___adm/wrapper#) {
$ressymb=~s#(bulletin___\d+___)#$1adm/wrapper/#;	$ressymb=~s#(bulletin___\d+___)#$1adm/wrapper/#;
}	}
}	}
if (defined($discussiontime{$ressymb})) {	if (defined($discussiontime{$ressymb})) {
my %contrib = &Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},	my %contrib = &Apache::lonnet::restore($ressymb,$env{'request.course.id'},
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	$env{'course.'.$env{'request.course.id'}.'.domain'},
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.num'});
if ($contrib{'version'}) {	if ($contrib{'version'}) {
for (my $id=1;$id<=$contrib{'version'};$id++) {	for (my $id=1;$id<=$contrib{'version'};$id++) {
unless (($contrib{'hidden'}=~/\.$id\./) \|\| ($contrib{'deleted'}=~/\.$id\./)) {	unless (($contrib{'hidden'}=~/\.$id\./) \|\| ($contrib{'deleted'}=~/\.$id\./)) {
Line 571 sub course_search {	Line 567 sub course_search {
} else {	} else {
$url .= '?symb=';	$url .= '?symb=';
}	}
$url .= &Apache::lonnet::escape($resource->symb());	$url .= &escape($resource->symb());
my $title = $resource->compTitle();	my $title = $resource->compTitle();
$r->print('<br /><a href="'.$url.'" target="cat">'.	$r->print('<br /><a href="'.$url.'" target="cat">'.
($title?$title:$url).'</a>  - '.$disctype.'<br />');	($title?$title:$url).'</a>  - '.$disctype.'<br />');
Line 586 sub course_search {	Line 582 sub course_search {
}	}

# =================================================== Done going through course	# =================================================== Done going through course
$r->print('</body></html>');	$r->print(&Apache::loncommon::end_page());
}	}

# =============================== This pulls up a resource and its dependencies	# =============================== This pulls up a resource and its dependencies
Line 598 sub checkonthis {	Line 594 sub checkonthis {
$r->rflush();	$r->rflush();

my $result=$title.' ';	my $result=$title.' ';
if ($ENV{'request.role.adv'} \|\| !$hash{'encrypted_'.$id}) {	if ($env{'request.role.adv'} \|\| !$hash{'encrypted_'.$id}) {
$result.=&Apache::lonnet::metadata($url,'title').' '.	$result.=&Apache::lonnet::metadata($url,'title').' '.
&Apache::lonnet::metadata($url,'subject').' '.	&Apache::lonnet::metadata($url,'subject').' '.
&Apache::lonnet::metadata($url,'abstract').' '.	&Apache::lonnet::metadata($url,'abstract').' '.
Line 607 sub checkonthis {	Line 603 sub checkonthis {
my ($extension)=($url=~/\.(\w+)$/);	my ($extension)=($url=~/\.(\w+)$/);
if (&Apache::loncommon::fileembstyle($extension) eq 'ssi' &&	if (&Apache::loncommon::fileembstyle($extension) eq 'ssi' &&
($url) && ($fulltext)) {	($url) && ($fulltext)) {
$result.=&Apache::lonnet::ssi_body($url.'?symb='.&Apache::lonnet::escape($symb));	$result.=&Apache::lonnet::ssi_body($url.'?symb='.&escape($symb));
}	}
$result=~s/\s+/ /gs;	$result=~s/\s+/ /gs;
my $applies = 0;	my $applies = 0;
Line 619 sub checkonthis {	Line 615 sub checkonthis {
$r->print(' ');	$r->print(' ');
}	}
my $href=$url;	my $href=$url;
if ($hash{'encrypted_'.$id} && !$ENV{'request.role.adv'}) {	if ($hash{'encrypted_'.$id} && !$env{'request.role.adv'}) {
$href=&Apache::lonenc::encrypted($href)	$href=&Apache::lonenc::encrypted($href)
.'?symb='.&Apache::lonenc::encrypted($symb);	.'?symb='.&Apache::lonenc::encrypted($symb);
} else {	} else {
$href.='?symb='.&Apache::lonnet::escape($symb);	$href.='?symb='.&escape($symb);
}	}
$r->print('<a href="'.$href.'" target="cat">'.($title?$title:$url).	$r->print('<a href="'.$href.'" target="cat">'.($title?$title:$url).
'</a><br />');	'</a><br />');
Line 662 sub untiehash {	Line 658 sub untiehash {

} # End of course search scoping	} # End of course search scoping

sub search_html_header {
my $html=&Apache::lonxml::xmlbegin();
my $Str = <<ENDHEADER;
$html
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
ENDHEADER
return $Str;
}

######################################################################	######################################################################
######################################################################	######################################################################
Line 688 Prints the form for the basic search. S	Line 674 Prints the form for the basic search. S
######################################################################	######################################################################
sub print_basic_search_form {	sub print_basic_search_form {
my ($r,$closebutton,$hidden_fields) = @_;	my ($r,$closebutton,$hidden_fields) = @_;
my $result = ($ENV{'form.catalogmode'} ne 'groupsearch');	my $result = ($env{'form.catalogmode'} ne 'import');
my $bodytag=&Apache::loncommon::bodytag('Search').	my $bread_crumb =
&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching','Search_Basic',	&Apache::lonhtmlcommon::breadcrumbs('Searching','Search_Basic',
undef,undef,	$env{'form.catalogmode'} ne 'import');
$ENV{'form.catalogmode'} ne 'groupsearch');	my $scrout = &Apache::loncommon::start_page('Search').$bread_crumb;
my $scrout = &search_html_header().$bodytag;	# Search form for resource space
if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) {	if (&Apache::lonnet::allowed('bre',$env{'request.role.domain'})) {
# Define interface components	$scrout .= &setup_basic_search($r,'res',$hidden_fields,$closebutton);
my $userelatedwords= '<label>'.	$scrout .= '<hr /><br />';
&mt('[_1] use related words',	}
&Apache::lonhtmlcommon::checkbox	# Search form for accessible portfolio files
('related',$ENV{'form.related'},'related')).'</label>';	$scrout.= &setup_basic_search($r,'portfolio',$hidden_fields,$closebutton);
my $onlysearchdomain='<label>'.	if ($env{'request.course.id'}) {
&mt('[_1] only search domain [_2]',
&Apache::lonhtmlcommon::checkbox('domains',
$ENV{'form.domains'},
$r->dir_config('lonDefDomain')
),
$r->dir_config('lonDefDomain')
).'</label>';
my $adv_search_link =
'<a href="/adm/searchcat?'.
'phase=disp_adv&'.
'catalogmode='.$ENV{'form.catalogmode'}.
'&launch='.$ENV{'form.launch'}.
'&mode='.$ENV{'form.mode'}.
'">'.&mt('Advanced Search').'</a>';
#
$scrout.='<form name="loncapa_search" method="post" '.
'action="/adm/searchcat">'.
'<input type="hidden" name="phase" value="basic_search" />'.
$hidden_fields;
#
$scrout .= '<center>'.$/;
if ($ENV{'request.course.id'}) {
$scrout .= '<h1>'.&mt('LON-CAPA Catalog Search').'</h1>';
} else {
# No need to tell them they are searching
$scrout.= ('<br />'x2);
}
$scrout.='<table>'.
'<tr><td align="center" valign="top">'.
&Apache::lonhtmlcommon::textbox
('basicexp',
&HTML::Entities::encode($ENV{'form.basicexp'},'<>&"'),50
).
'<br />'.
'<font size="-1">'.&searchhelp().'</font>'.'</td>'.
'<td><font size="-1">'.
'<nobr>'.(' 'x3).$adv_search_link.'</nobr>'.'<br />'.
'<nobr>'.(' 'x1).$userelatedwords.'</nobr>'.'<br />'.
'<nobr>'.(' 'x1).$onlysearchdomain.'</nobr>'.'<br />'.
'</font></td>'.
'</tr>'.$/;
#
$scrout .= '<tr><td align="center" colspan="2">'.
'<font size="-1">'.
'<input type="submit" name="basicsubmit" '.
'value="'.&mt('Search').'" />'.
(' 'x2).$closebutton.(' 'x2).
&viewoptions().
'</font>'.
'</td></tr>'.$/;
$scrout .= '</table>'.$/.'</center>'.'</form>';
}
if ($ENV{'request.course.id'}) {
my %lt=&Apache::lonlocal::texthash('srch' => 'Search',	my %lt=&Apache::lonlocal::texthash('srch' => 'Search',
'header' => 'Course Search',	'header' => 'Course Search',
'note' => 'Enter terms or phrases, then press "Search" below',	'note' => 'Enter terms or phrases, then press "Search" below',
Line 777 $lt{'note'}.	Line 710 $lt{'note'}.
ENDCOURSESEARCH	ENDCOURSESEARCH
$scrout.=' '.	$scrout.=' '.
&Apache::lonhtmlcommon::textbox('courseexp',	&Apache::lonhtmlcommon::textbox('courseexp',
$ENV{'form.courseexp'},40);	$env{'form.courseexp'},40);
my $crscheckbox =	my $crscheckbox =
&Apache::lonhtmlcommon::checkbox('crsfulltext',	&Apache::lonhtmlcommon::checkbox('crsfulltext',
$ENV{'form.crsfulltext'});	$env{'form.crsfulltext'});
my $relcheckbox =	my $relcheckbox =
&Apache::lonhtmlcommon::checkbox('crsrelated',	&Apache::lonhtmlcommon::checkbox('crsrelated',
$ENV{'form.crsrelated'});	$env{'form.crsrelated'});
my $discheckbox =	my $discheckbox =
&Apache::lonhtmlcommon::checkbox('crsdiscuss',	&Apache::lonhtmlcommon::checkbox('crsdiscuss',
$ENV{'form.crsrelated'});	$env{'form.crsrelated'});
$scrout.=(<<ENDENDCOURSE);	$scrout.=(<<ENDENDCOURSE);
</td></tr>	</td></tr>
<tr><td><label>$relcheckbox $lt{'use'}</label></td><td></td></tr>	<tr><td><label>$relcheckbox $lt{'use'}</label></td><td></td></tr>
Line 799 ENDCOURSESEARCH	Line 732 ENDCOURSESEARCH
</form>	</form>
ENDENDCOURSE	ENDENDCOURSE
}	}
$scrout.=(<<ENDDOCUMENT);	$scrout .= &Apache::loncommon::end_page();
</body>
</html>
ENDDOCUMENT
$r->print($scrout);	$r->print($scrout);
return;	return;
}	}

	sub setup_basic_search {
	my ($r,$area,$hidden_fields,$closebutton) = @_;
	# Define interface components
	my %lt = &Apache::lonlocal::texthash (
	res => 'LON-CAPA Catalog Search',
	portfolio => 'Portfolio Search',
	);
	my ($userelatedwords,$onlysearchdomain,$inclext,$adv_search_link,$scrout);
	$userelatedwords = '<label>'.&mt('[_1] use related words',
	&Apache::lonhtmlcommon::checkbox('related',$env{'form.related'},'related')).
	'</label>';
	$onlysearchdomain = '<label>'.&mt('[_1] only search domain [_2]',
	&Apache::lonhtmlcommon::checkbox('domains',$env{'form.domains'},
	$r->dir_config('lonDefDomain')),
	$r->dir_config('lonDefDomain')).
	'</label>';
	if ($area eq 'res') {
	$inclext= '<label>'.&mt('[_1] include external resources',
	&Apache::lonhtmlcommon::checkbox('inclext',$env{'form.inclext'})).
	'</label>';
	}
	$adv_search_link = '<a href="/adm/searchcat?'.
	'phase=disp_adv&'.
	'catalogmode='.$env{'form.catalogmode'}.
	'&launch='.$env{'form.launch'}.
	'&mode='.$env{'form.mode'}.
	'&area='.$area.
	'&form='.$env{'form.form'}.
	'&titleelement='.$env{'form.titleelement'}.
	'&element='.$env{'form.element'}.
	'">'.&mt('Advanced Search').'</a>';
	#
	$scrout.='<form name="loncapa_search" method="post" '.
	'action="/adm/searchcat">'.
	'<input type="hidden" name="phase" value="basic_search" />'.
	$hidden_fields;
	if (!exists($env{'form.area'})) {
	$scrout .= '<input type="hidden" name="area" value="'.$area.'" />';
	}
	#
	$scrout .= '<center>'.$/;
	# if ($env{'request.course.id'}) {
	$scrout .= '<h1>'.$lt{$area}.'</h1>';
	# } else {
	# No need to tell them they are searching
	# $scrout.= ('<br />'x2);
	# }
	$scrout.='<table>'.
	'<tr><td align="center" valign="top">'.
	&Apache::lonhtmlcommon::textbox('basicexp',
	$env{'form.basicexp'},50).
	'<br />'.
	'<font size="-1">'.&searchhelp().'</font>'.'</td>'.
	'<td><font size="-1">'.
	'<nobr>'.(' 'x3).$adv_search_link.'</nobr>'.'<br />'.
	'<nobr>'.(' 'x1).$userelatedwords.'</nobr>'.'<br />'.
	'<nobr>'.(' 'x1).$onlysearchdomain.'</nobr>'.'<br />'.
	'<nobr>'.(' 'x1).$inclext.'</nobr>'.'<br />'.
	'</font></td>'.
	'</tr>'.$/;
	#
	$scrout .= '<tr><td align="center" colspan="2">'.
	'<font size="-1">'.
	'<input type="submit" name="basicsubmit" '.
	'value="'.&mt('Search').'" />'.
	(' 'x2).$closebutton.(' 'x2). &viewoptions().
	'</font>'.
	'</td></tr>'.$/;
	$scrout .= '</table>'.$/.'</center>'.'</form>';
	return $scrout;
	}

######################################################################	######################################################################
######################################################################	######################################################################

Line 821 Prints the advanced search form.	Line 824 Prints the advanced search form.
######################################################################	######################################################################
sub print_advanced_search_form{	sub print_advanced_search_form{
my ($r,$closebutton,$hidden_fields) = @_;	my ($r,$closebutton,$hidden_fields) = @_;
my $bodytag=&Apache::loncommon::bodytag('Advanced Catalog Search').	my $bread_crumb =
&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching',	&Apache::lonhtmlcommon::breadcrumbs('Searching','Search_Advanced',
'Search_Advanced',	$env{'form.catalogmode'} ne 'import');
undef,undef,
$ENV{'form.catalogmode'} ne 'groupsearch');
my %lt=&Apache::lonlocal::texthash('srch' => 'Search',	my %lt=&Apache::lonlocal::texthash('srch' => 'Search',
'reset' => 'Reset',	'reset' => 'Reset',
'help' => 'Help');	'help' => 'Help');
Line 834 sub print_advanced_search_form{	Line 835 sub print_advanced_search_form{
<input type="reset" name="reset" value='$lt{"reset"}' />	<input type="reset" name="reset" value='$lt{"reset"}' />
$closebutton	$closebutton
END	END
my $scrout=&search_html_header();	my $srchtype = 'Catalog';
	my $jscript;
	if ($env{'form.area'} eq 'portfolio') {
	$srchtype = 'Portfolio';
	$jscript = '<script type="text/javascript">
	function additional_metadata() {
	if (document.advsearch.newfield.checked) {
	document.advsearch.phase.value = "disp_adv";
	document.advsearch.numaddedfields.value = parseInt(document.advsearch.numaddedfields.value) +1;
	document.advsearch.submit();
	}
	}
	</script>';
	}
	my $scrout= &Apache::loncommon::start_page("Advanced $srchtype Search",
	$jscript);
$scrout .= <<"ENDHEADER";	$scrout .= <<"ENDHEADER";
$bodytag	$bread_crumb
<form method="post" action="/adm/searchcat" name="advsearch">	<form method="post" action="/adm/searchcat" name="advsearch">
<p>	<p>
$advanced_buttons	$advanced_buttons
Line 845 ENDHEADER	Line 861 ENDHEADER
'<input type="hidden" name="phase" value="adv_search" />';	'<input type="hidden" name="phase" value="adv_search" />';
my %fields=&Apache::lonmeta::fieldnames();	my %fields=&Apache::lonmeta::fieldnames();
#	#
$scrout .= '<h3>'.&mt('Standard Metadata').'</h3>';	$scrout .= '<h3>'.&mt('Standard [_1] Metadata',$srchtype).'</h3>';
$scrout .= "<table>\n";	$scrout .= "<table>\n";
$scrout .= '<tr><td> </td><td colspan="2"><font size="-1">'.	$scrout .= '<tr><td> </td><td colspan="2"><font size="-1">'.
(' 'x2).&searchhelp()."</font></td></tr>\n";	(' 'x2).&searchhelp()."</font></td></tr>\n";
Line 860 ENDHEADER	Line 876 ENDHEADER
'abstract' => 1,	'abstract' => 1,
'standards'=> 1,	'standards'=> 1,
'mime' => 1,	'mime' => 1,
	'subject' => 1,
);	);
#	#
foreach my $field ('title','author','owner','authorspace','modifyinguser',	foreach my $field ('title','author','subject','owner','authorspace',
'keywords','notes','abstract','standards','mime') {	'modifyinguser','keywords','notes','abstract',
	'standards','mime') {
$scrout.='<tr><td align="right">'.&titlefield($fields{$field}).'</td><td>'.	$scrout.='<tr><td align="right">'.&titlefield($fields{$field}).'</td><td>'.
&Apache::lonmeta::prettyinput($field,	&Apache::lonmeta::prettyinput($field,
$ENV{'form.'.$field},	$env{'form.'.$field},
$field,	$field,
'advsearch',	'advsearch',
$related_word_search{$field},	$related_word_search{$field},
'</td><td align="left">',	'</td><td align="left">',
$ENV{'form.'.$field.'_related'},	$env{'form.'.$field.'_related'},
50);	50);
if ($related_word_search{$field}) {	if ($related_word_search{$field}) {
$scrout .= 'related words';	$scrout .= 'related words';
Line 885 ENDHEADER	Line 903 ENDHEADER
'<td align="right">'.&titlefield($fields{$field}).'</td>'.	'<td align="right">'.&titlefield($fields{$field}).'</td>'.
'<td colspan="2">'.	'<td colspan="2">'.
&Apache::lonmeta::prettyinput($field,	&Apache::lonmeta::prettyinput($field,
$ENV{'form.'.$field},	$env{'form.'.$field},
$field,	$field,
'advsearch',	'advsearch',
0).	0).
Line 894 ENDHEADER	Line 912 ENDHEADER
$scrout.='<tr><td align="right">'.	$scrout.='<tr><td align="right">'.
&titlefield(&mt('MIME Type Category')).'</td><td colspan="2">'.	&titlefield(&mt('MIME Type Category')).'</td><td colspan="2">'.
&Apache::loncommon::filecategoryselect('category',	&Apache::loncommon::filecategoryselect('category',
$ENV{'form.category'}).	$env{'form.category'}).
'</td></tr>'.$/;	'</td></tr>'.$/;
$scrout.='<tr><td align="right" valign="top">'.	$scrout.='<tr><td align="right" valign="top">'.
&titlefield(&mt('Domains')).'</td><td colspan="2">'.	&titlefield(&mt('Domains')).'</td><td colspan="2">'.
&Apache::loncommon::domain_select('domains',	&Apache::loncommon::domain_select('domains',
$ENV{'form.domains'},1).	$env{'form.domains'},1).
'</td></tr>'.$/;	'<br /><label>';
	if ($env{'form.area'} ne 'portfolio') {
	$scrout .= &mt('[_1] include external resources',
	&Apache::lonhtmlcommon::checkbox
	('inclext',$env{'form.inclext'})).'</label>'
	}
	$scrout .= '</td></tr>'.$/;
#	#
# Misc metadata	# Misc metadata
$scrout.='<tr><td align="right" valign="top">'.	if ($env{'form.area'} ne 'portfolio') {
&titlefield(&mt('Copyright/Distribution')).'</td><td colspan="2">'.	$scrout.='<tr><td align="right" valign="top">'.
&Apache::lonmeta::selectbox('copyright',	&titlefield(&mt('Copyright/Distribution')).
$ENV{'form.copyright'},	'</td><td colspan="2">'.
\&Apache::loncommon::copyrightdescription,	&Apache::lonmeta::selectbox('copyright',
( undef,	$env{'form.copyright'},
&Apache::loncommon::copyrightids)	\&Apache::loncommon::copyrightdescription,
).'</td></tr>'.$/;	( undef,
	&Apache::loncommon::copyrightids)
	).'</td></tr>'.$/;
	}
$scrout.='<tr><td align="right" valign="top">'.	$scrout.='<tr><td align="right" valign="top">'.
&titlefield(&mt('Language')).'</td><td colspan="2">'.	&titlefield(&mt('Language')).'</td><td colspan="2">'.
&Apache::lonmeta::selectbox('language',	&Apache::lonmeta::selectbox('language',
$ENV{'form.language'},	$env{'form.language'},
\&Apache::loncommon::languagedescription,	\&Apache::loncommon::languagedescription,
('any',&Apache::loncommon::languageids)	('any',&Apache::loncommon::languageids)
).'</td></tr>';	).'</td></tr>';
$scrout .= "</table>\n";
#
# Dynamic metadata
$scrout .= '<h3>'.&mt('Problem Statistics').'</h3>';
$scrout .= "<table>\n";
$scrout .= '<tr><td> </td><td align="center">'.&mt('Minimum').'</td>'.
'<td align="center">'.&mt('Maximum').'</td></tr>'."\n";
foreach my $statistic
({ name=>'count',
description=>'Network-wide number of accesses (hits)',},
{ name=>'stdno',
description=>
'Total number of students who have worked on this problem',},
{ name => 'avetries',
description=>'Average number of tries till solved',},
{ name => 'difficulty',
description=>'Degree of difficulty',},
{ name => 'disc',
description=>'Degree of discrimination'}) {
$scrout .= '<tr><td align="right">'.
&titlefield(&mt($statistic->{'description'})).
'</td><td align="center">'.
'<input type="text" name="'.$statistic->{'name'}.'_min" '.
'value="" size="6" />'.
'</td><td align="center">'.
'<input type="text" name="'.$statistic->{'name'}.'_max" '.
'value="" size="6" />'.
'</td></tr>'.$/;
}
$scrout .= "</table>\n";	$scrout .= "</table>\n";
$scrout .= '<h3>'.&mt('Evaluation Data').'</h3>';
$scrout .= "<table>\n";
$scrout .= '<tr><td> </td><td align="center">'.&mt('Minimum').'</td>'.	if ($env{'form.area'} eq 'portfolio') {
'<td align="center">'.&mt('Maximum').'</td></tr>'."\n";	# Added fields
foreach my $evaluation	my $curnumadd = $env{'form.numaddedfields'};
( { name => 'clear',	if ($curnumadd eq '') {
description => 'Material presented in clear way'},	$curnumadd = 1;
{ name =>'depth',	}
description => 'Material covered with sufficient depth'},	$scrout .= '<h3>'.&mt('Custom Metadata fields').'</h3>';
{ name => 'helpful',	$scrout .= "<table>\n";
description => 'Material is helpful'},	$scrout .= '<tr><td> </td><td align="center">'.
{ name => 'correct',	&mt('Field Name').'</td>'.'<td align="center">'.
description => 'Material appears to be correct'},	&mt('Field Value(s)').'</td></tr>';
{ name => 'technical',
description => 'Resource is technically correct'}){	for (my $j=0; $j<$curnumadd; $j++) {
$scrout .= '<tr><td align="right">'.	my $num = $j+1;
&titlefield(&mt($evaluation->{'description'})).	$scrout .= '<tr><td>'.&mt('Custom metadata [_1]: ',$num).
'</td><td align="center">'.	'</td><td align="center">'.
'<input type="text" name="'.$evaluation->{'name'}.'_min" '.	'<input type="text" name="addedfield_'.$j.
'value="" size="6" />'.	'" size="10" value="'.$env{'form.addedfield_'.$j}.
'</td><td align="center">'.	'" /></td>'.
'<input type="text" name="'.$evaluation->{'name'}.'_max" '.	'<td align="center"><input type="text" '.
'value="" size="6" />'.	'name="addedvalues_'.$j.'" size="15" value="'.
'</td></tr>'.$/;	$env{'form.addedvalues_'.$j}.'" /></td></tr>';
	}
	$scrout .= '<tr><td align="left" colspan="3"><label>'.
	'<input type="checkbox" name="newfield" '.
	'value="1" onclick="javascript:additional_metadata()" />'.
	&mt('Another custom field/value pair?').'</label>'.
	'<input type="hidden" name="numaddedfields" value="'.
	$curnumadd.'" /></td></tr></table>';
	} else {
	#
	# Dynamic metadata
	$scrout .= '<h3>'.&mt('Problem Statistics').'</h3>';
	$scrout .= "<table>\n";
	$scrout .= '<tr><td> </td><td align="center">'.
	&mt('Minimum').'</td>'.'<td align="center">'.
	&mt('Maximum').'</td></tr>'."\n";
	foreach my $statistic
	({ name=>'count',
	description=>'Network-wide number of accesses (hits)',},
	{ name=>'stdno',
	description=>
	'Statistics calculated for number of students',},
	{ name => 'avetries',
	description=>'Average number of tries till solved',},
	{ name => 'difficulty',
	description=>'Degree of difficulty',},
	{ name => 'disc',
	description=>'Degree of discrimination'}) {
	$scrout .= '<tr><td align="right">'.
	&titlefield(&mt($statistic->{'description'})).
	'</td><td align="center">'.
	'<input type="text" name="'.$statistic->{'name'}.
	'_min" value="" size="6" /></td><td align="center">'.
	'<input type="text" name="'.$statistic->{'name'}.
	'_max" value="" size="6" /></td></tr>'.$/;
	}
	$scrout .= "</table>\n";
	$scrout .= '<h3>'.&mt('Evaluation Data').'</h3>';
	$scrout .= "<table>\n";
	$scrout .= '<tr><td> </td><td align="center">'.
	&mt('Minimum').'</td>'.'<td align="center">'.
	&mt('Maximum').'</td></tr>'."\n";
	foreach my $evaluation
	( { name => 'clear',
	description => 'Material presented in clear way'},
	{ name =>'depth',
	description => 'Material covered with sufficient depth'},
	{ name => 'helpful',
	description => 'Material is helpful'},
	{ name => 'correct',
	description => 'Material appears to be correct'},
	{ name => 'technical',
	description => 'Resource is technically correct'}){
	$scrout .= '<tr><td align="right">'.
	&titlefield(&mt($evaluation->{'description'})).
	'</td><td align="center">'.
	'<input type="text" name="'.
	$evaluation->{'name'}.'_min" value="" size="6" />'.
	'</td><td align="center"><input type="text" name="'.
	$evaluation->{'name'}.'_max" value="" size="6" />'.
	'</td></tr>'.$/;
	}
	$scrout .= "</table>\n";
}	}
$scrout .= "</table>\n";
#	#
# Creation/Modification date limits	# Creation/Modification date limits
$scrout .= '<h3>'.&mt('Creation and Modification dates').'</h3>';	$scrout .= '<h3>'.&mt('Creation and Modification dates').'</h3>';
Line 1026 ENDHEADER	Line 1085 ENDHEADER
$scrout.=<<ENDDOCUMENT;	$scrout.=<<ENDDOCUMENT;
$advanced_buttons	$advanced_buttons
</form>	</form>
</body>
</html>
ENDDOCUMENT	ENDDOCUMENT
	$scrout .= &Apache::loncommon::end_page();
$r->print($scrout);	$r->print($scrout);
return;	return;
}	}
Line 1075 sub viewoptiontext {	Line 1133 sub viewoptiontext {
'xml' => 'XML/SGML',	'xml' => 'XML/SGML',
'compact' => 'Compact View',	'compact' => 'Compact View',
'fielded' => 'Fielded Format',	'fielded' => 'Fielded Format',
'summary' => 'Summary View');	'summary' => 'Summary View',
	'summarypreview' => 'Summary Preview',
	'detailedpreview' => 'Detailed Citation Preview');
return $desc{$code};	return $desc{$code};
}	}

Line 1096 Outputs: text for box with view options	Line 1156 Outputs: text for box with view options
######################################################################	######################################################################
sub viewoptions {	sub viewoptions {
my $scrout;	my $scrout;
if (! defined($ENV{'form.viewselect'})) {	if (! defined($env{'form.viewselect'})) {
$ENV{'form.viewselect'}='detailed';	$env{'form.viewselect'}='detailed';
}	}
$scrout.=&Apache::lonmeta::selectbox('viewselect',	$scrout.=&Apache::lonmeta::selectbox('viewselect',
$ENV{'form.viewselect'},	$env{'form.viewselect'},
\&viewoptiontext,	\&viewoptiontext,
sort(keys(%Views)));	sort(keys(%Views)));
$scrout.= '  ';	$scrout.= '  ';
my $countselect = &Apache::lonmeta::selectbox('show',	my $countselect = &Apache::lonmeta::selectbox('show',
$ENV{'form.show'},	$env{'form.show'},
undef,	undef,
(10,20,50,100,1000,10000));	(10,20,50,100,1000,10000));
$scrout .= (' 'x2).&mt('[_1] Records per Page',$countselect).	$scrout .= (' 'x2).&mt('[_1] Records per Page',$countselect).
Line 1145 Outputs: returns undef on database error	Line 1205 Outputs: returns undef on database error

This function is the reverse of &make_persistent() for form data.	This function is the reverse of &make_persistent() for form data.
Retrieve persistent data from %persistent_db. Retrieved items will have their	Retrieve persistent data from %persistent_db. Retrieved items will have their
values unescaped. If a form value already exists in $ENV, it will not be	values unescaped. If a form value already exists in $env, it will not be
overwritten. Form values that are array references may have values appended	overwritten. Form values that are array references may have values appended
to them.	to them.

Line 1167 sub get_persistent_form_data {	Line 1227 sub get_persistent_form_data {
next if ($name !~ /^form./);	next if ($name !~ /^form./);
# Kludgification begins!	# Kludgification begins!
if ($name eq 'form.domains' &&	if ($name eq 'form.domains' &&
$ENV{'form.searchmode'} eq 'basic' &&	$env{'form.searchmode'} eq 'basic' &&
$ENV{'form.phase'} ne 'disp_basic') {	$env{'form.phase'} ne 'disp_basic') {
next;	next;
}	}
# End kludge (hopefully)	# End kludge (hopefully)
next if (exists($ENV{$name}));	next if (exists($env{$name}));
my @values = map {	my @values = map {
&Apache::lonnet::unescape($_);	&unescape($_);
} split(',',$persistent_db{$name});	} split(',',$persistent_db{$name});
next if (@values <1);	next if (@values <1);
if ($arrays_allowed{$name}) {	if ($arrays_allowed{$name}) {
$ENV{$name} = [@values];	$env{$name} = [@values];
} else {	} else {
$ENV{$name} = $values[0] if ($values[0]);	$env{$name} = $values[0] if ($values[0]);
}	}
}	}
untie (%persistent_db);	untie (%persistent_db);
Line 1220 sub get_persistent_data {	Line 1280 sub get_persistent_data {
next;	next;
}	}
my @values = map {	my @values = map {
&Apache::lonnet::unescape($_);	&unescape($_);
} split(',',$persistent_db{$name});	} split(',',$persistent_db{$name});
if (@values <= 1) {	if (@values <= 1) {
push @Values,$values[0];	push @Values,$values[0];
Line 1257 sub make_persistent {	Line 1317 sub make_persistent {
foreach my $name (keys(%save)) {	foreach my $name (keys(%save)) {
my @values = (ref($save{$name}) ? @{$save{$name}} : ($save{$name}));	my @values = (ref($save{$name}) ? @{$save{$name}} : ($save{$name}));
# We handle array references, but not recursively.	# We handle array references, but not recursively.
my $store = join(',', map { &Apache::lonnet::escape($_); } @values );	my $store = join(',', map { &escape($_); } @values );
$persistent_db{$name} = $store;	$persistent_db{$name} = $store;
}	}
untie(%persistent_db);	untie(%persistent_db);
Line 1285 sub make_form_data_persistent {	Line 1345 sub make_form_data_persistent {
my $r = shift;	my $r = shift;
my $filename = shift;	my $filename = shift;
my %save;	my %save;
foreach (keys(%ENV)) {	foreach (keys(%env)) {
next if (!/^form/ \|\| /submit/);	next if (!/^form/ \|\| /submit/);
$save{$_} = $ENV{$_};	$save{$_} = $env{$_};
}	}
return &make_persistent(\%save,$filename);	return &make_persistent(\%save,$filename);
}	}
Line 1335 sub parse_advanced_search {	Line 1395 sub parse_advanced_search {
'lastrevisiondatestart_month','lastrevisiondatestart_day',	'lastrevisiondatestart_month','lastrevisiondatestart_day',
'lastrevisiondatestart_year','lastrevisiondateend_month',	'lastrevisiondatestart_year','lastrevisiondateend_month',
'lastrevisiondateend_day','lastrevisiondateend_year') {	'lastrevisiondateend_day','lastrevisiondateend_year') {
$ENV{'form.'.$field}=~s/[^\w\/\s\=\-\"\']//g;	$env{'form.'.$field}=~s/[^\w\/\s\=\-\"\'.]//g;
}	}
foreach ('mode','form','element') {	foreach ('mode','form','element') {
# is this required? Hmmm.	# is this required? Hmmm.
next if (! exists($ENV{'form.'.$_}));	next if (! exists($env{'form.'.$_}));
$ENV{'form.'.$_}=&Apache::lonnet::unescape($ENV{'form.'.$_});	$env{'form.'.$_}=&unescape($env{'form.'.$_});
$ENV{'form.'.$_}=~s/[^\w\/\s\=\-\"\']//g;	$env{'form.'.$_}=~s/[^\w\/\s\=\-\"\']//g;
}	}
# Preprocess the category form element.	# Preprocess the category form element.
$ENV{'form.category'} = 'any' if (! defined($ENV{'form.category'}) \|\|	$env{'form.category'} = 'any' if (! defined($env{'form.category'}) \|\|
ref($ENV{'form.category'}));	ref($env{'form.category'}));
#	#
# Check to see if enough information was filled in	# Check to see if enough information was filled in
foreach my $field (@BasicFields) {	foreach my $field (@BasicFields) {
if (&filled($ENV{'form.'.$field})) {	if (&filled($env{'form.'.$field})) {
$fillflag++;	$fillflag++;
}	}
}	}
foreach my $field (@StatsFields,@EvalFields) {	foreach my $field (@StatsFields,@EvalFields) {
if (&filled($ENV{'form.'.$field.'_max'})) {	if (&filled($env{'form.'.$field.'_max'})) {
$fillflag++;	$fillflag++;
}	}
if (&filled($ENV{'form.'.$field.'_min'})) {	if (&filled($env{'form.'.$field.'_min'})) {
$fillflag++;	$fillflag++;
}	}
}	}

for my $field ('lowestgradelevel','highestgradelevel') {	for my $field ('lowestgradelevel','highestgradelevel') {
if ( $ENV{'form.'.$field} =~ /^\d+$/ &&	if ( $env{'form.'.$field} =~ /^\d+$/ &&
$ENV{'form.'.$field} > 0) {	$env{'form.'.$field} > 0) {
$fillflag++;	$fillflag++;
}	}
}	}
	if ($env{'form.area'} eq 'portfolio') {
	# Added metadata fields
	for (my $i=0; $i<$env{'form.numaddedfields'} ; $i++) {
	my $field = $env{'form.addedfield_'.$i};
	$field =~ s/^\s(\S)\s*$/$1/;
	$field =~ s/\W/_/g;
	if ($field ne '') {
	$fillflag++;
	}
	}
	}
if (! $fillflag) {	if (! $fillflag) {
&output_blank_field_error($r,$closebutton,	&output_blank_field_error($r,$closebutton,
'phase=disp_adv',$hidden_fields);	'phase=disp_adv',$hidden_fields);
Line 1379 sub parse_advanced_search {	Line 1450 sub parse_advanced_search {
my $font = '<font color="#800000" face="helvetica">';	my $font = '<font color="#800000" face="helvetica">';
# Evaluate logical expression AND/OR/NOT phrase fields.	# Evaluate logical expression AND/OR/NOT phrase fields.
foreach my $field (@BasicFields) {	foreach my $field (@BasicFields) {
next if (!defined($ENV{'form.'.$field}) \|\| $ENV{'form.'.$field} eq '');	next if (!defined($env{'form.'.$field}) \|\| $env{'form.'.$field} eq '');
my ($error,$SQLQuery) =	my ($error,$SQLQuery) =
&process_phrase_input($ENV{'form.'.$field},	&process_phrase_input($env{'form.'.$field},
$ENV{'form.'.$field.'_related'},$field);	$env{'form.'.$field.'_related'},$field);
if (defined($error)) {	if (defined($error)) {
&output_unparsed_phrase_error($r,$closebutton,'phase=disp_adv',	&output_unparsed_phrase_error($r,$closebutton,'phase=disp_adv',
$hidden_fields,$field);	$hidden_fields,$field);
return;	return;
} else {	} else {
$pretty_search_string .=	$pretty_search_string .=
$font.$field.'</font>: '.$ENV{'form.'.$field};	$font.$field.'</font>: '.$env{'form.'.$field};
if ($ENV{'form.'.$field.'_related'}) {	if ($env{'form.'.$field.'_related'}) {
my @Words =	my @Words =
&Apache::loncommon::get_related_words	&Apache::loncommon::get_related_words
($ENV{'form.'.$field});	($env{'form.'.$field});
if (@Words) {	if (@Words) {
$pretty_search_string.= ' with related words: '.	$pretty_search_string.= ' with related words: '.
join(', ',@Words[0..4]);	join(', ',@Words[0..4]);
Line 1409 sub parse_advanced_search {	Line 1480 sub parse_advanced_search {
# Make the 'mime' from 'form.category' and 'form.extension'	# Make the 'mime' from 'form.category' and 'form.extension'
#	#
my $searchphrase;	my $searchphrase;
if (exists($ENV{'form.category'}) &&	if (exists($env{'form.category'}) &&
$ENV{'form.category'} !~ /^\s*$/ &&	$env{'form.category'} !~ /^\s*$/ &&
$ENV{'form.category'} ne 'any') {	$env{'form.category'} ne 'any') {
my @extensions = &Apache::loncommon::filecategorytypes	my @extensions = &Apache::loncommon::filecategorytypes
($ENV{'form.category'});	($env{'form.category'});
if (scalar(@extensions) > 0) {	if (scalar(@extensions) > 0) {
$searchphrase = join(' OR ',@extensions);	$searchphrase = join(' OR ',@extensions);
}	}
Line 1426 sub parse_advanced_search {	Line 1497 sub parse_advanced_search {
}	}
#	#
# Evaluate option lists	# Evaluate option lists
if ($ENV{'form.lowestgradelevel'} &&	if ($env{'form.lowestgradelevel'} &&
$ENV{'form.lowestgradelevel'} ne '0' &&	$env{'form.lowestgradelevel'} ne '0' &&
$ENV{'form.lowestgradelevel'} =~ /^\d+$/) {	$env{'form.lowestgradelevel'} =~ /^\d+$/) {
push(@queries,	push(@queries,
'(lowestgradelevel>='.$ENV{'form.lowestgradelevel'}.')');	'(lowestgradelevel>='.$env{'form.lowestgradelevel'}.')');
$pretty_search_string.="lowestgradelevel>=".	$pretty_search_string.="lowestgradelevel>=".
$ENV{'form.lowestgradelevel'}."<br />\n";	$env{'form.lowestgradelevel'}."<br />\n";
}	}
if ($ENV{'form.highestgradelevel'} &&	if ($env{'form.highestgradelevel'} &&
$ENV{'form.highestgradelevel'} ne '0' &&	$env{'form.highestgradelevel'} ne '0' &&
$ENV{'form.highestgradelevel'} =~ /^\d+$/) {	$env{'form.highestgradelevel'} =~ /^\d+$/) {
push(@queries,	push(@queries,
'(highestgradelevel<='.$ENV{'form.highestgradelevel'}.')');	'(highestgradelevel<='.$env{'form.highestgradelevel'}.')');
$pretty_search_string.="highestgradelevel<=".	$pretty_search_string.="highestgradelevel<=".
$ENV{'form.highestgradelevel'}."<br />\n";	$env{'form.highestgradelevel'}."<br />\n";
}	}
if ($ENV{'form.language'} and $ENV{'form.language'} ne 'any') {	if ($env{'form.language'} and $env{'form.language'} ne 'any') {
push @queries,"(language like \"$ENV{'form.language'}\")";	push @queries,"(language like \"$env{'form.language'}\")";
$pretty_search_string.=$font."language</font>= ".	$pretty_search_string.=$font."language</font>= ".
&Apache::loncommon::languagedescription($ENV{'form.language'}).	&Apache::loncommon::languagedescription($env{'form.language'}).
"<br />\n";	"<br />\n";
}	}
if ($ENV{'form.copyright'} and $ENV{'form.copyright'} ne 'any') {	if ($env{'form.copyright'} and $env{'form.copyright'} ne 'any') {
push @queries,"(copyright like \"$ENV{'form.copyright'}\")";	push @queries,"(copyright like \"$env{'form.copyright'}\")";
$pretty_search_string.=$font."copyright</font> = ".	$pretty_search_string.=$font."copyright</font> = ".
&Apache::loncommon::copyrightdescription($ENV{'form.copyright'}).	&Apache::loncommon::copyrightdescription($env{'form.copyright'}).
"<br />\n";	"<br />\n";
}	}
#	if ($env{'form.area'} eq 'portfolio') {
# Statistics	#
foreach my $field (@StatsFields,@EvalFields) {	# Added metadata fields
my ($min,$max);	for (my $i=0; $i<$env{'form.numaddedfields'} ; $i++) {
if (exists($ENV{'form.'.$field.'_min'}) &&	my $field = $env{'form.addedfield_'.$i};
$ENV{'form.'.$field.'_min'} ne '') {	$field =~ s/^\s(\S)\s*$/$1/;
$min = $ENV{'form.'.$field.'_min'};	$field =~ s/\W/_/g;
}	$field =~ tr/A-Z/a-z/;
if (exists($ENV{'form.'.$field.'_max'}) &&	if ($field ne '') {
$ENV{'form.'.$field.'_max'} ne '') {	my $value = $env{'form.addedvalues_'.$i};
$max = $ENV{'form.'.$field.'_max'};	if ($value ne '') {
}	$value =~ s/'/''/g; #' stupid emacs
next if (! defined($max) && ! defined($min));	my ($error,$query) =
if (defined($min) && defined($max)) {	&process_phrase_input($value,0,'pf.value');
($min,$max) = sort {$a <=>$b} ($min,$max);	if (!defined($error)) {
}	push(@queries,"pf.field = '$field' AND $query");
if (defined($min) && $min =~ /^(\d+\.\d+\|\d+\|\.\d+)$/) {	$pretty_search_string .=
push(@queries,'('.$field.'>'.$min.')');	$font.$field.'</font>: '.
$pretty_search_string.=$font.$field.'</font>>'.$min.'<br />';	$env{'form.addedvalues_'.$i}.'<br />';
}	}
if (defined($max) && $max =~ /^(\d+\.\d+\|\d+\|\.\d+)$/) {	} else {
push(@queries,'('.$field.'<'.$max.')');	push(@queries,"pf.field = '$field' AND pf.value IS NULL");
$pretty_search_string.=$font.$field.'</font><'.$max.'<br />';	}
	}
	}
	} else {
	#
	# Statistics
	foreach my $field (@StatsFields,@EvalFields) {
	my ($min,$max);
	if (exists($env{'form.'.$field.'_min'}) &&
	$env{'form.'.$field.'_min'} ne '') {
	$min = $env{'form.'.$field.'_min'};
	}
	if (exists($env{'form.'.$field.'_max'}) &&
	$env{'form.'.$field.'_max'} ne '') {
	$max = $env{'form.'.$field.'_max'};
	}
	next if (! defined($max) && ! defined($min));
	if (defined($min) && defined($max)) {
	($min,$max) = sort {$a <=>$b} ($min,$max);
	}
	if (defined($min) && $min =~ /^(\d+\.\d+\|\d+\|\.\d+)$/) {
	push(@queries,'('.$field.'>'.$min.')');
	$pretty_search_string.=$font.$field.'</font>>'.$min.'<br />';
	}
	if (defined($max) && $max =~ /^(\d+\.\d+\|\d+\|\.\d+)$/) {
	push(@queries,'('.$field.'<'.$max.')');
	$pretty_search_string.=$font.$field.'</font><'.$max.'<br />';
	}
}	}
}	}
#	#
Line 1517 sub parse_advanced_search {	Line 1615 sub parse_advanced_search {
## because I was unable to figureout exactly how it worked and could	## because I was unable to figureout exactly how it worked and could
## not imagine people actually using it. MH	## not imagine people actually using it. MH
##	##
# if ($ENV{'form.custommetadata'}) {	# if ($env{'form.custommetadata'}) {
# $pretty_search_string .=$font."Custom Metadata Search</font>: <b>".	# $pretty_search_string .=$font."Custom Metadata Search</font>: <b>".
# $ENV{'form.custommetadata'}."</b><br />\n";	# $env{'form.custommetadata'}."</b><br />\n";
# $customquery=&build_custommetadata_query('custommetadata',	# $customquery=&build_custommetadata_query('custommetadata',
# $ENV{'form.custommetadata'});	# $env{'form.custommetadata'});
# }	# }
my $customshow=undef;	my $customshow=undef;
# if ($ENV{'form.customshow'}) {	# if ($env{'form.customshow'}) {
# $pretty_search_string .=$font."Custom Metadata Display</font>: <b>".	# $pretty_search_string .=$font."Custom Metadata Display</font>: <b>".
# $ENV{'form.customshow'}."</b><br />\n";	# $env{'form.customshow'}."</b><br />\n";
# $customshow=$ENV{'form.customshow'};	# $customshow=$env{'form.customshow'};
# $customshow=~s/[^\w\s]//g;	# $customshow=~s/[^\w\s]//g;
# my @fields=split(/\s+/,$customshow);	# my @fields=split(/\s+/,$customshow);
# $customshow=join(" ",@fields);	# $customshow=join(" ",@fields);
Line 1535 sub parse_advanced_search {	Line 1633 sub parse_advanced_search {
##	##
## Deal with restrictions to given domains	## Deal with restrictions to given domains
##	##
my ($libraries_to_query,$pretty_domains_string,$domain_sql_restriction) =	my ($libraries_to_query,$pretty_domains_string) = &parse_domain_restrictions();
&parse_domain_restrictions();	if ($pretty_domains_string) {
push(@queries,$domain_sql_restriction);	$pretty_search_string .= $pretty_domains_string."<br />\n";
$pretty_search_string .= $pretty_domains_string."<br />\n";	}
#	#
if (@queries) {	if (@queries) {
$query="SELECT * FROM metadata WHERE (".join(") AND (",@queries).')';	if ($env{'form.area'} eq 'portfolio') {
	$query ="SELECT pm.*,pa.keynum,pa.scope FROM portfolio_metadata pm, portfolio_access pa, portfolio_addedfields pf WHERE (pm.url = pa.url AND pf.url = pm.url AND (pa.start < NOW() AND (pa.end IS NULL OR pa.end > NOW())) AND (".join(') AND (',@queries).'))';
	} else {
	$query="SELECT * FROM metadata WHERE (".join(") AND (",@queries).')';
	}
} elsif ($customquery) {	} elsif ($customquery) {
$query = '';	$query = '';
}	}
&Apache::lonnet::logthis('advanced query = '.$/.$query);	#&Apache::lonnet::logthis('advanced query = '.$/.$query);
return ($query,$customquery,$customshow,$libraries_to_query,	return ($query,$customquery,$customshow,$libraries_to_query,
$pretty_search_string);	$pretty_search_string);
}	}

sub parse_domain_restrictions {	sub parse_domain_restrictions {
my $libraries_to_query = undef;	my $libraries_to_query = undef;
# $ENV{'form.domains'} can be either a scalar or an array reference.	# $env{'form.domains'} can be either a scalar or an array reference.
# We need an array.	# We need an array.
if (! exists($ENV{'form.domains'}) \|\| $ENV{'form.domains'} eq '') {	if (! exists($env{'form.domains'}) \|\| $env{'form.domains'} eq '') {
return (undef,'',undef);	return (undef,'',undef);
}	}
my @allowed_domains;	my @allowed_domains = &Apache::loncommon::get_env_multiple('form.domains');
if (ref($ENV{'form.domains'})) {
@allowed_domains = @{$ENV{'form.domains'}};
} else {
@allowed_domains = ($ENV{'form.domains'});
}
#	#
my %domain_hash = ();	my %domain_hash = ();
my $pretty_domains_string;	my $pretty_domains_string;
my $domain_sql_restriction;
foreach (@allowed_domains) {	foreach (@allowed_domains) {
$domain_hash{$_}++;	$domain_hash{$_}++;
}	}
if ($domain_hash{'any'}) {	if ($domain_hash{'any'}) {
$pretty_domains_string = "In all LON-CAPA domains.";	$pretty_domains_string = &mt("in all LON-CAPA domains.");
$domain_sql_restriction = undef;
} else {	} else {
if (@allowed_domains > 1) {	if (@allowed_domains > 1) {
$pretty_domains_string = "In LON-CAPA domains:";	$pretty_domains_string = &mt("in LON-CAPA domains:");
} else {	} else {
$pretty_domains_string = "In LON-CAPA domain ";	$pretty_domains_string = &mt("in LON-CAPA domain ");
}	}
$domain_sql_restriction =
'(domain="'.join('" OR domain="',@allowed_domains).'")';
foreach (sort @allowed_domains) {	foreach (sort @allowed_domains) {
$pretty_domains_string .= "<b>".$_."</b> ";	$pretty_domains_string .= "<b>".$_."</b> ";
}	}
foreach (keys(%Apache::lonnet::libserv)) {	my %servers = &Apache::lonnet::get_servers(\@allowed_domains,
if (exists($domain_hash{$Apache::lonnet::hostdom{$_}})) {	'library');
push @$libraries_to_query,$_;	$libraries_to_query = [keys(%servers)];
}
}
}	}
return ($libraries_to_query,	return ($libraries_to_query,
$pretty_domains_string,	$pretty_domains_string);
$domain_sql_restriction);
}	}

######################################################################	######################################################################
Line 1613 sub parse_basic_search {	Line 1703 sub parse_basic_search {
#	#
# Clean up fields for safety	# Clean up fields for safety
for my $field ('basicexp') {	for my $field ('basicexp') {
$ENV{"form.$field"}=~s/[^\w\s\'\"\!\-]//g;	$env{"form.$field"}=~s/[^\w\s\'\"\!\-]//g;
}	}
foreach ('mode','form','element') {	foreach ('mode','form','element') {
# is this required? Hmmm.	# is this required? Hmmm.
next unless (exists($ENV{"form.$_"}));	next unless (exists($env{"form.$_"}));
$ENV{"form.$_"}=&Apache::lonnet::unescape($ENV{"form.$_"});	$env{"form.$_"}=&unescape($env{"form.$_"});
$ENV{"form.$_"}=~s/[^\w\/\s\=\-\"\']//g;	$env{"form.$_"}=~s/[^\w\/\s\=\-\"\']//g;
}	}
my ($libraries_to_query,$pretty_domains_string,$domain_sql_restriction) =	my ($libraries_to_query,$pretty_domains_string) = &parse_domain_restrictions();
&parse_domain_restrictions();
#	#
# Check to see if enough of a query is filled in	# Check to see if enough of a query is filled in
my $search_string = $ENV{'form.basicexp'};	my $search_string = $env{'form.basicexp'};
if (! &filled($search_string)) {	if (! &filled($search_string)) {
&output_blank_field_error($r,$closebutton,'phase=disp_basic');	&output_blank_field_error($r,$closebutton,'phase=disp_basic');
return OK;	return OK;
}	}
my $pretty_search_string=$search_string;	my $pretty_search_string=$search_string;
my @Queries;	my @Queries;
my $searchfield = 'concat_ws(" ",'.join(',',	my @fields = ('title','author','subject','notes','abstract','keywords');
('title','author','subject',	my $searchfield;
'notes','abstract','keywords')	if ($env{'form.area'} eq 'portfolio') {
).')';	$searchfield = 'concat_ws(" ",pm.'.join(',pm.',@fields).')';
	} else {
	$searchfield = 'concat_ws(" ",'.join(',',@fields).')';
	}
my ($error,$SQLQuery) = &process_phrase_input($search_string,	my ($error,$SQLQuery) = &process_phrase_input($search_string,
$ENV{'form.related'},	$env{'form.related'},
$searchfield);	$searchfield);
if ($error) {	if ($error) {
&output_unparsed_phrase_error($r,$closebutton,'phase=disp_basic',	&output_unparsed_phrase_error($r,$closebutton,'phase=disp_basic',
Line 1645 sub parse_basic_search {	Line 1737 sub parse_basic_search {
return;	return;
}	}
push(@Queries,$SQLQuery);	push(@Queries,$SQLQuery);
if (defined($domain_sql_restriction) && $domain_sql_restriction ne '') {
push(@Queries,$domain_sql_restriction);
}
#foreach my $q (@Queries) {	#foreach my $q (@Queries) {
# &Apache::lonnet::logthis(' '.$q);	# &Apache::lonnet::logthis(' '.$q);
#}	#}
my $final_query = 'SELECT * FROM metadata WHERE '.join(" AND ",@Queries);	my $final_query;
	if ($env{'form.area'} eq 'portfolio') {
	$final_query = 'SELECT pm.*,pa.keynum,pa.scope FROM portfolio_metadata pm, portfolio_access pa WHERE (pm.url = pa.url AND (pa.start < NOW() AND (pa.end IS NULL OR pa.end > NOW())) AND '.join(" AND ",@Queries).')';
	} else {
	$final_query = 'SELECT * FROM metadata WHERE '.join(" AND ",@Queries);
	}
#	#
	if ($env{'form.related'}) {
	$pretty_search_string.=' '.&mt('(including related words)');
	}
if (defined($pretty_domains_string) && $pretty_domains_string ne '') {	if (defined($pretty_domains_string) && $pretty_domains_string ne '') {
$pretty_search_string .= ' '.$pretty_domains_string;	$pretty_search_string .= ' '.$pretty_domains_string;
}	}
Line 1761 sub process_phrase_input {	Line 1858 sub process_phrase_input {
$item[1];	$item[1];
}	}
term:	term:
/[\w\Q:!@#$%^&*()+_=\|{}<>,.;\\\/?\E]+/ {	/[\w\Q:!@#$%^&*()+_=\|{}<>,.;\\\/?\E\-]+/ {
$item[1];	$item[1];
}	}
ENDGRAMMAR	ENDGRAMMAR
Line 2012 sub copyright_check {	Line 2109 sub copyright_check {
$Metadata->{'url'});	$Metadata->{'url'});
# Check for priv	# Check for priv
if (($Metadata->{'copyright'} eq 'priv') &&	if (($Metadata->{'copyright'} eq 'priv') &&
(($ENV{'user.name'} ne $resname) &&	(($env{'user.name'} ne $resname) &&
($ENV{'user.domain'} ne $resdom))) {	($env{'user.domain'} ne $resdom))) {
return 0;	return 0;
}	}
# Check for domain	# Check for domain
if (($Metadata->{'copyright'} eq 'domain') &&	if (($Metadata->{'copyright'} eq 'domain') &&
($ENV{'user.domain'} ne $resdom)) {	($env{'user.domain'} ne $resdom)) {
return 0;	return 0;
}	}
return 1;	return 1;
Line 2049 sub ensure_db_and_table {	Line 2146 sub ensure_db_and_table {
##	##
if (! defined($table) \|\| $table eq '' \|\| $table =~ /\D/ ) {	if (! defined($table) \|\| $table eq '' \|\| $table =~ /\D/ ) {
$r->print("Unable to retrieve search results. ".	$r->print("Unable to retrieve search results. ".
"Unable to determine the table results were stored in. ".	"Unable to determine the table results were saved in. ".
"</body></html>");	&Apache::loncommon::end_page());
return undef;	return undef;
}	}
##	##
Line 2059 sub ensure_db_and_table {	Line 2156 sub ensure_db_and_table {
my $connection_result = &Apache::lonmysql::connect_to_db();	my $connection_result = &Apache::lonmysql::connect_to_db();
if (!defined($connection_result)) {	if (!defined($connection_result)) {
$r->print("Unable to connect to the MySQL database where your results".	$r->print("Unable to connect to the MySQL database where your results".
" are stored. </body></html>");	" are saved.".
	&Apache::loncommon::end_page());
&Apache::lonnet::logthis("lonsearchcat: unable to get lonmysql to".	&Apache::lonnet::logthis("lonsearchcat: unable to get lonmysql to".
" connect to database.");	" connect to database.");
&Apache::lonnet::logthis(&Apache::lonmysql::get_error());	&Apache::lonnet::logthis(&Apache::lonmysql::get_error());
Line 2067 sub ensure_db_and_table {	Line 2165 sub ensure_db_and_table {
}	}
my $table_check = &Apache::lonmysql::check_table($table);	my $table_check = &Apache::lonmysql::check_table($table);
if (! defined($table_check)) {	if (! defined($table_check)) {
$r->print("A MySQL error has occurred.</form></body></html>");	$r->print("A MySQL error has occurred.</form>".
	&Apache::loncommon::end_page());
&Apache::lonnet::logthis("lonmysql was unable to determine the status".	&Apache::lonnet::logthis("lonmysql was unable to determine the status".
" of table ".$table);	" of table ".$table);
return undef;	return undef;
Line 2096 a link to change the search query.	Line 2195 a link to change the search query.
######################################################################	######################################################################
sub print_sort_form {	sub print_sort_form {
my ($r,$pretty_query_string) = @_;	my ($r,$pretty_query_string) = @_;
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1).
&Apache::lonhtmlcommon::breadcrumbs
(undef,'Searching','Searching',undef,undef,
$ENV{'form.catalogmode'} ne 'groupsearch');

##	##
my %SortableFields=&Apache::lonlocal::texthash(	my %SortableFields=&Apache::lonlocal::texthash(
Line 2118 sub print_sort_form {	Line 2213 sub print_sort_form {
lastrevisiondate => 'Revision Date'	lastrevisiondate => 'Revision Date'
);	);
##	##
my $table = $ENV{'form.table'};	my $table = $env{'form.table'};
return if (! &ensure_db_and_table($r,$table));	return if (! &ensure_db_and_table($r,$table));
##	##
## Get the number of results	## Get the number of results
##	##
my $total_results = &Apache::lonmysql::number_of_rows($table);	my $total_results = &Apache::lonmysql::number_of_rows($table);
if (! defined($total_results)) {	if (! defined($total_results)) {
$r->print("A MySQL error has occurred.</form></body></html>");	$r->print("A MySQL error has occurred.</form>".
	&Apache::loncommon::end_page());
&Apache::lonnet::logthis("lonmysql was unable to determine the number".	&Apache::lonnet::logthis("lonmysql was unable to determine the number".
" of rows in table ".$table);	" of rows in table ".$table);
&Apache::lonnet::logthis(&Apache::lonmysql::get_error());	&Apache::lonnet::logthis(&Apache::lonmysql::get_error());
return;	return;
}	}
my $result;	my $js =<<END;
my $html=&Apache::lonxml::xmlbegin();	<script type="text/javascript">
$result.=<<END;
$html
<head>
<script>
function change_sort() {	function change_sort() {
var newloc = "/adm/searchcat?phase=results";	var newloc = "/adm/searchcat?phase=results";
newloc += "&persistent_db_id=$ENV{'form.persistent_db_id'}";	newloc += "&persistent_db_id=$env{'form.persistent_db_id'}";
newloc += "&sortby=";	newloc += "&sortby=";
newloc += document.forms.statusform.elements.sortby.value;	newloc += document.forms.statusform.elements.sortby.value;
parent.resultsframe.location= newloc;	parent.resultsframe.location= newloc;
}	}
</script>	</script>
<title>Results</title>	END
</head>
$bodytag	my $start_page = &Apache::loncommon::start_page('Results',$js,
<form name="statusform" action="" method="post">	{'no_title' => 1});
<input type="hidden" name="Queue" value="" />	my $breadcrumbs=
	&Apache::lonhtmlcommon::breadcrumbs('Searching','Searching',
	$env{'form.catalogmode'} ne 'import');

	my $result = <<END;
	$start_page
	$breadcrumbs
	<form name="statusform" action="" method="post" target="_top">
	<input type="hidden" name="catalogmode" value="import" />
	<input type="hidden" name="acts" value="" />
END	END

#<h2>Sort Results</h2>	#<h2>Sort Results</h2>
#Sort by: <select size="1" name="sortby" onchange="javascript:change_sort();">	#Sort by: <select size="1" name="sortby" onchange="javascript:change_sort();">
# $ENV{'form.sortby'} = 'id' if (! defined($ENV{'form.sortby'}));	# $env{'form.sortby'} = 'id' if (! defined($env{'form.sortby'}));
# foreach (keys(%SortableFields)) {	# foreach (keys(%SortableFields)) {
# $result.="<option name=\"$_\"";	# $result.="<option name=\"$_\"";
# if ($_ eq $ENV{'form.sortby'}) {	# if ($_ eq $env{'form.sortby'}) {
# $result.=" selected ";	# $result.=" selected ";
# }	# }
# $result.=" >$SortableFields{$_}</option>\n";	# $result.=" >$SortableFields{$_}</option>\n";
Line 2168 END	Line 2269 END
<p>	<p>
There are $total_results matches to your query. $revise	There are $total_results matches to your query. $revise
</p><p>	</p><p>
Search:$pretty_query_string	Search: $pretty_query_string
</p>	</p>
</form>	</form>
</body>
</html>
END	END
$r->print($result);	$r->print($result.&Apache::loncommon::end_page());
return;	return;
}	}

Line 2208 my @Fullindicies;	Line 2307 my @Fullindicies;
=item &create_results_table()	=item &create_results_table()

Creates the table of search results by calling lonmysql. Stores the	Creates the table of search results by calling lonmysql. Stores the
table id in $ENV{'form.table'}	table id in $env{'form.table'}

Inputs: none.	Inputs: search area - either res or portfolio

Returns: the identifier of the table on success, undef on error.	Returns: the identifier of the table on success, undef on error.

Line 2219 Returns: the identifier of the table on	Line 2318 Returns: the identifier of the table on
######################################################################	######################################################################
######################################################################	######################################################################
sub set_up_table_structure {	sub set_up_table_structure {
	my ($tabletype) = @_;
my ($datatypes,$fullindicies) =	my ($datatypes,$fullindicies) =
&LONCAPA::lonmetadata::describe_metadata_storage();	&LONCAPA::lonmetadata::describe_metadata_storage($tabletype);
# Copy the table description before modifying it...	# Copy the table description before modifying it...
@Datatypes = @{$datatypes};	@Datatypes = @{$datatypes};
unshift(@Datatypes,{name => 'id',	unshift(@Datatypes,{name => 'id',
Line 2233 sub set_up_table_structure {	Line 2333 sub set_up_table_structure {
}	}

sub create_results_table {	sub create_results_table {
&set_up_table_structure();	my ($area) = @_;
	if ($area eq 'portfolio') {
	&set_up_table_structure('portfolio_search');
	} else {
	&set_up_table_structure('metadata');
	}
my $table = &Apache::lonmysql::create_table	my $table = &Apache::lonmysql::create_table
( { columns => \@Datatypes,	( { columns => \@Datatypes,
FULLTEXT => [{'columns' => \@Fullindicies},],	FULLTEXT => [{'columns' => \@Fullindicies},],
} );	} );
if (defined($table)) {	if (defined($table)) {
$ENV{'form.table'} = $table;	$env{'form.table'} = $table;
return $table;	return $table;
}	}
return undef; # Error...	return undef; # Error...
Line 2291 sub update_status {	Line 2396 sub update_status {
}	}

{	{
my $max_time = 40; # seconds for the search to complete	my $max_time = 300; # seconds for the search to complete
my $start_time = 0;	my $start_time = 0;
my $last_time = 0;	my $last_time = 0;

Line 2340 Returns: html string for a 'revise searc	Line 2445 Returns: html string for a 'revise searc
######################################################################	######################################################################
sub revise_button {	sub revise_button {
my $revise_phase = 'disp_basic';	my $revise_phase = 'disp_basic';
$revise_phase = 'disp_adv' if ($ENV{'form.searchmode'} eq 'advanced');	$revise_phase = 'disp_adv' if ($env{'form.searchmode'} eq 'advanced');
my $newloc = '/adm/searchcat'.	my $newloc = '/adm/searchcat'.
'?persistent_db_id='.$ENV{'form.persistent_db_id'}.	'?persistent_db_id='.$env{'form.persistent_db_id'}.
'&cleargroupsort=1'.	'&cleargroupsort=1'.
'&phase='.$revise_phase;	'&phase='.$revise_phase;
my $result = qq{<input type="button" value="Revise search" name="revise"} .	my $result = qq{<input type="button" value="Revise search" name="revise"} .
Line 2365 results into MySQL.	Line 2470 results into MySQL.
######################################################################	######################################################################
######################################################################	######################################################################
sub run_search {	sub run_search {
my ($r,$query,$customquery,$customshow,$serverlist,$pretty_string) = @_;	my ($r,$query,$customquery,$customshow,$serverlist,
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);	$pretty_string,$area) = @_;
$bodytag.=&Apache::lonhtmlcommon::breadcrumbs	my $tabletype = 'metadata';
(undef,'Searching','Searching',undef,undef,	if ($area eq 'portfolio') {
$ENV{'form.catalogmode'} ne 'groupsearch');	$tabletype = 'portfolio_search';
	}
my $connection = $r->connection;	my $connection = $r->connection;
#	#
# Print run_search header	# Print run_search header
#	#
my $html=&Apache::lonxml::xmlbegin();	my $start_page = &Apache::loncommon::start_page('Search Status',undef,
	{'no_title' => 1});
	my $breadcrumbs =
	&Apache::lonhtmlcommon::breadcrumbs('Searching','Searching',
	$env{'form.catalogmode'} ne 'import');
$r->print(<<END);	$r->print(<<END);
$html	$start_page
<head>	$breadcrumbs
<title>Search Status</title></head>
$bodytag
<form name="statusform" action="" method="post">	<form name="statusform" action="" method="post">
<input type="hidden" name="Queue" value="" />	<input type="hidden" name="acts" value="" />
END	END
# Remove leading and trailing <br />	# Remove leading and trailing <br />
$pretty_string =~ s:^\s*<br />::i;	$pretty_string =~ s:^\s*<br />::i;
Line 2406 END	Line 2514 END
@Servers_to_contact = ($serverlist);	@Servers_to_contact = ($serverlist);
}	}
} else {	} else {
@Servers_to_contact = sort(keys(%Apache::lonnet::libserv));	my %all_library_servers = &Apache::lonnet::all_library();
	@Servers_to_contact = sort(keys(%all_library_servers));
}	}
my %Server_status;	my %Server_status;
#	#
# Check on the mysql table we will use to store results.	# Check on the mysql table we will use to store results.
my $table =$ENV{'form.table'};	my $table =$env{'form.table'};
if (! defined($table) \|\| $table eq '' \|\| $table =~ /\D/ ) {	if (! defined($table) \|\| $table eq '' \|\| $table =~ /\D/ ) {
$r->print("Unable to determine table id to store search results in.".	$r->print("Unable to determine table id to save search results in.".
"The search has been aborted.</body></html>");	"The search has been aborted.".
	&Apache::loncommon::end_page());
return;	return;
}	}
my $table_status = &Apache::lonmysql::check_table($table);	my $table_status = &Apache::lonmysql::check_table($table);
if (! defined($table_status)) {	if (! defined($table_status)) {
$r->print("Unable to determine status of table.</body></html>");	$r->print("Unable to determine status of table.".
	&Apache::loncommon::end_page());
&Apache::lonnet::logthis("Bogus table id of $table for ".	&Apache::lonnet::logthis("Bogus table id of $table for ".
"$ENV{'user.name'} @ $ENV{'user.domain'}");	"$env{'user.name'} @ $env{'user.domain'}");
&Apache::lonnet::logthis("lonmysql error = ".	&Apache::lonnet::logthis("lonmysql error = ".
&Apache::lonmysql::get_error());	&Apache::lonmysql::get_error());
return;	return;
Line 2433 END	Line 2544 END
&Apache::lonmysql::get_debug());	&Apache::lonmysql::get_debug());
&Apache::lonnet::logthis('table status = "'.$table_status.'"');	&Apache::lonnet::logthis('table status = "'.$table_status.'"');
$r->print("The table id,$table, we tried to use is invalid.".	$r->print("The table id,$table, we tried to use is invalid.".
"The search has been aborted.</body></html>");	"The search has been aborted.".
	&Apache::loncommon::end_page());
return;	return;
}	}
##	##
## Prepare for the big loop.	## Prepare for the big loop.
my $hitcountsum;	my $hitcountsum;
	my %matches;
my $server;	my $server;
my $status;	my $status;
my $revise = &revise_button();	my $revise = &revise_button();
Line 2493 END	Line 2606 END
delete ($Server_status{$server});	delete ($Server_status{$server});
next;	next;
}	}
$status=~/^([\.\w]+)$/;	$status=~s\|/\|\|g;
my $datafile=$r->dir_config('lonDaemons').'/tmp/'.$1;	my $datafile=$r->dir_config('lonDaemons').'/tmp/'.$status;
if (-e $datafile && ! -e "$datafile.end") {	if (-e $datafile && ! -e "$datafile.end") {
&update_status($r,&mt('Receiving results from [_1]',$server));	&update_status($r,&mt('Receiving results from [_1]',$server));
next;	next;
Line 2522 END	Line 2635 END
next if (! $result);	next if (! $result);
#	#
# Parse the result.	# Parse the result.
my %Fields = &parse_raw_result($result,$server);	my %Fields = &parse_raw_result($result,$server,$tabletype);
$Fields{'hostname'} = $server;	$Fields{'hostname'} = $server;
#	#
	# Skip if external and we did not want that
	next if ((! $env{'form.inclext'}) && ($Fields{'url'}=~/^\/ext\//));
# Skip based on copyright	# Skip based on copyright
next if (! &copyright_check(\%Fields));	next if (! &copyright_check(\%Fields));

	if ($area eq 'portfolio') {
	next if (defined($matches{$Fields{'url'}}));
	# Skip if inaccessible
	next if (!&Apache::lonnet::portfolio_access($Fields{'url'}));
	$matches{$Fields{'url'}} = 1;
	}
#	#
# Store the result in the mysql database	# Store the result in the mysql database
my $result = &Apache::lonmysql::store_row($table,\%Fields);	my $result = &Apache::lonmysql::store_row($table,\%Fields);
Line 2559 END	Line 2681 END
# We have run out of time or run out of servers to talk to and	# We have run out of time or run out of servers to talk to and
# results to get, so let the client know the top frame needs to be	# results to get, so let the client know the top frame needs to be
# loaded from /adm/searchcat	# loaded from /adm/searchcat
$r->print("</body></html>");	$r->print(&Apache::loncommon::end_page());
# if ($ENV{'form.catalogmode'} ne 'groupsearch') {	# if ($env{'form.catalogmode'} ne 'import') {
$r->print("<script>".	$r->print("<script>".
"window.location='/adm/searchcat?".	"window.location='/adm/searchcat?".
"phase=sort&".	"phase=sort&".
"persistent_db_id=$ENV{'form.persistent_db_id'}';".	"persistent_db_id=$env{'form.persistent_db_id'}';".
"</script>");	"</script>");
# }	# }
return;	return;
Line 2613 Prints the results out for selection and	Line 2735 Prints the results out for selection and
######################################################################	######################################################################
######################################################################	######################################################################
sub display_results {	sub display_results {
my ($r,$importbutton,$closebutton,$diropendb) = @_;	my ($r,$importbutton,$closebutton,$diropendb,$area) = @_;
my $connection = $r->connection;	my $connection = $r->connection;
$r->print(&search_results_header($importbutton,$closebutton));	$r->print(&search_results_header($importbutton,$closebutton));
##	##
## Set viewing function	## Set viewing function
##	##
my $viewfunction = $Views{$ENV{'form.viewselect'}};	my $viewfunction = $Views{$env{'form.viewselect'}};
if (!defined($viewfunction)) {	if (!defined($viewfunction)) {
$r->print("Internal Error - Bad view selected.\n");	$r->print("Internal Error - Bad view selected.\n");
$r->rflush();	$r->rflush();
Line 2627 sub display_results {	Line 2749 sub display_results {
}	}
##	##
## $checkbox_num is a count of the number of checkboxes output on the	## $checkbox_num is a count of the number of checkboxes output on the
## page this is used only during catalogmode=groupsearch.	## page this is used only during catalogmode=import.
my $checkbox_num = 0;	my $checkbox_num = 0;
##	##
## Get the catalog controls setup	## Get the catalog controls setup
##	##
my $action = "/adm/searchcat?phase=results";	my $action = "/adm/searchcat?phase=results";
##	##
## Deal with groupsearch by opening the groupsearch db file.	## Deal with import by opening the import db file.
if ($ENV{'form.catalogmode'} eq 'groupsearch') {	if ($env{'form.catalogmode'} eq 'import') {
if (! tie(%groupsearch_db,'GDBM_File',$diropendb,	if (! tie(%groupsearch_db,'GDBM_File',$diropendb,
&GDBM_WRCREAT(),0640)) {	&GDBM_WRCREAT(),0640)) {
$r->print('Unable to store import results.</form></body></html>');	$r->print('Unable to save import results.</form>'.
	&Apache::loncommon::end_page());
$r->rflush();	$r->rflush();
return;	return;
}	}
}	}
##	##
## Prepare the table for querying	## Prepare the table for querying
my $table = $ENV{'form.table'};	my $table = $env{'form.table'};
return if (! &ensure_db_and_table($r,$table));	return if (! &ensure_db_and_table($r,$table));
##	##
## Get the number of results	## Get the number of results
my $total_results = &Apache::lonmysql::number_of_rows($table);	my $total_results = &Apache::lonmysql::number_of_rows($table);
if (! defined($total_results)) {	if (! defined($total_results)) {
$r->print("A MySQL error has occurred.</form></body></html>");	$r->print("A MySQL error has occurred.</form>".
	&Apache::loncommon::end_page());
&Apache::lonnet::logthis("lonmysql was unable to determine the number".	&Apache::lonnet::logthis("lonmysql was unable to determine the number".
" of rows in table ".$table);	" of rows in table ".$table);
&Apache::lonnet::logthis(&Apache::lonmysql::get_error());	&Apache::lonnet::logthis(&Apache::lonmysql::get_error());
Line 2659 sub display_results {	Line 2783 sub display_results {
}	}
##	##
## Determine how many results we need to get	## Determine how many results we need to get
$ENV{'form.start'} = 1 if (! exists($ENV{'form.start'}));	$env{'form.start'} = 1 if (! exists($env{'form.start'}));
$ENV{'form.show'} = 20 if (! exists($ENV{'form.show'}));	$env{'form.show'} = 20 if (! exists($env{'form.show'}));
if (exists($ENV{'form.prev'})) {	if (exists($env{'form.prev'})) {
$ENV{'form.start'} -= $ENV{'form.show'};	$env{'form.start'} -= $env{'form.show'};
} elsif (exists($ENV{'form.next'})) {	} elsif (exists($env{'form.next'})) {
$ENV{'form.start'} += $ENV{'form.show'};	$env{'form.start'} += $env{'form.show'};
}	}
$ENV{'form.start'} = 1 if ($ENV{'form.start'}<1);	$env{'form.start'} = 1 if ($env{'form.start'}<1);
$ENV{'form.start'} = $total_results if ($ENV{'form.start'}>$total_results);	$env{'form.start'} = $total_results if ($env{'form.start'}>$total_results);
my $min = $ENV{'form.start'};	my $min = $env{'form.start'};
my $max;	my $max;
if ($ENV{'form.show'} eq 'all') {	if ($env{'form.show'} eq 'all') {
$max = $total_results ;	$max = $total_results ;
} else {	} else {
$max = $min + $ENV{'form.show'} - 1;	$max = $min + $env{'form.show'} - 1;
$max = $total_results if ($max > $total_results);	$max = $total_results if ($max > $total_results);
}	}
##	##
Line 2681 sub display_results {	Line 2805 sub display_results {
$r->print(&hidden_field('table').	$r->print(&hidden_field('table').
&hidden_field('phase').	&hidden_field('phase').
&hidden_field('persistent_db_id').	&hidden_field('persistent_db_id').
&hidden_field('start')	&hidden_field('start').
	&hidden_field('area')
);	);
#	#
# Build sorting selector	# Build sorting selector
my @field_order = ('default',	my @fields =
'title',	(
'author',	{key=>'default' },
'subject',	{key=>'title' },
'url',	{key =>'author' },
'keywords',	{key =>'subject'},
'version',	{key =>'url',desc=>'URL'},
'language',	{key =>'keywords'},
'creationdate'=>,	{key =>'language'},
'lastrevisiondate',	{key =>'creationdate'},
'owner',	{key =>'lastrevisiondate'},
'copyright',	{key =>'owner'},
'authorspace',	{key =>'copyright'},
'lowestgradeleve',	{key =>'authorspace'},
'highestgradelevel',	{key =>'lowestgradelevel'},
'standards',	{key =>'highestgradelevel'},
'count',	{key =>'standards',desc=>'Standards'},
'stdno',	);
'avetries',	if ($area eq 'portfolio') {
'difficulty',	push(@fields,
'disc',	(
'clear',	{key => 'scope'},
'technical',	{key => 'keynum'},
'correct',	));
'helpful',	} else {
'depth',	push(@fields,
);	(
my %sort_fields = ('default' => 'Default',	{key =>'count',desc=>'Number of accesses'},
'title' => 'Title',	{key =>'stdno',desc=>'Students Attempting'},
'author' => 'Author',	{key =>'avetries',desc=>'Average Number of Tries'},
'subject' => 'Subject',	{key =>'difficulty',desc=>'Mean Degree of Difficulty'},
'url' => 'URL',	{key =>'disc',desc=>'Mean Degree of Discrimination'},
'keywords' => 'Keywords',	{key =>'clear',desc=>'Evaluation: Clear'},
'version' => 'Version',	{key =>'technical',desc=>'Evaluation: Technically Correct'},
'language' => 'Language',	{key =>'correct',desc=>'Evaluation: Material is Correct'},
'creationdate'=> 'Creation Date',	{key =>'helpful',desc=>'Evaluation: Material is Helpful'},
'lastrevisiondate' => 'Last Revision Date',	{key =>'depth',desc=>'Evaluation: Material has Depth'},
'owner' => 'Owner',	));
'copyright' => 'Copyright',	}
'authorspace' => 'Authorspace',	my %fieldnames = &Apache::lonmeta::fieldnames();
'lowestgradeleve' => 'Lowest Grade Level',	my @field_order;
'highestgradelevel' => 'Highest Grade Level',	foreach my $field_data (@fields) {
'standards' => 'Standards',	push(@field_order,$field_data->{'key'});
'count' => 'Number of Accesses',	if (! exists($field_data->{'desc'})) {
'stdno' => 'Students Attempting',	$field_data->{'desc'}=$fieldnames{$field_data->{'key'}};
'avetries' => 'Average Number of Tries',	} else {
'difficulty' => 'Mean Degree of Difficulty',	if (! defined($field_data->{'desc'})) {
'disc' => 'Mean Degree of Discrimination',	$field_data->{'desc'} = ucfirst($field_data->{'key'});
'clear' => 'Evaluation: Clear',	}
'technical' => 'Evaluation: Technically Correct',	$field_data->{'desc'} = &mt($field_data->{'desc'});
'correct' => 'Evaluation: Material is Correct',	}
'helpful' => 'Evaluation: Material is Helpful',	}
'depth' => 'Evaluation: Material has Depth',	my %sort_fields = map {$_->{'key'},$_->{'desc'}} @fields;
'select_form_order' => \@field_order,	$sort_fields{'select_form_order'} = \@field_order;
);	$env{'form.sortorder'} = 'desc' if (! exists($env{'form.sortorder'}));
	if (! exists($env{'form.sortfield'})) {
my $sortform = &mt('Sort by [_1]',	if ($area eq 'portfolio') {
&Apache::loncommon::select_form($ENV{'form.sortfield'},	$env{'form.sortfield'} = 'owner';
	} else {
	$env{'form.sortfield'} = 'count';
	}
	}
	if (! exists($env{'form.sortorder'})) {
	if ($env{'form.sortfield'}=~/^(count\|stdno\|disc\|clear\|technical\|correct\|helpful)$/) {
	$env{'form.sortorder'}='desc';
	} else {
	$env{'form.sortorder'}='asc';
	}
	}
	my $sortform = &mt('Sort by [_1] [_2]',
	&Apache::loncommon::select_form($env{'form.sortfield'},
'sortfield',	'sortfield',
%sort_fields));	%sort_fields),
	&Apache::loncommon::select_form($env{'form.sortorder'},
	'sortorder',
	(asc =>&mt('Ascending'),
	desc=>&mt('Descending')
	))
	);
##	##
## Output links (if necessary) for 'prev' and 'next' pages.	## Output links (if necessary) for 'prev' and 'next' pages.
$r->print	$r->print
('<table width="100%"><tr><td width="25%" align="right">'.	('<table width="100%"><tr><td width="25%" align="right">'.
$sortform.	'<nobr>'.$sortform.'</nobr>'.
'</td><td width="25%" align="right">'.	'</td><td width="25%" align="right">'.
&prev_next_buttons($min,$ENV{'form.show'},$total_results).	&prev_next_buttons($min,$env{'form.show'},$total_results).
'</td><td align="right">'.	'</td><td align="right">'.
&viewoptions().'</td></tr></table>'	&viewoptions().'</td></tr></table>'
);	);
if ($total_results == 0) {	if ($total_results == 0) {
$r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2">'.	$r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2" />'.
'<h3>'.&mt('There are currently no results').'.</h3>'.	'<h3>'.&mt('There are currently no results').'.</h3>'.
"</form></body></html>");	"</form>".
	&Apache::loncommon::end_page());
return;	return;
} else {	} else {
$r->print('<center>'.	$r->print('<center>'.
Line 2769 sub display_results {	Line 2914 sub display_results {
##	##
## Get results from MySQL table	## Get results from MySQL table
my $sort_command = 'id>='.$min.' AND id<='.$max;	my $sort_command = 'id>='.$min.' AND id<='.$max;
if ($ENV{'form.sortfield'} ne 'default' &&	my $order;
exists($sort_fields{$ENV{'form.sortfield'}})) {	if (exists($env{'form.sortorder'})) {
$sort_command = $ENV{'form.sortfield'}.' IS NOT NULL '.	if ($env{'form.sortorder'} eq 'asc') {
'ORDER BY '.$ENV{'form.sortfield'}.	$order = 'ASC';
' LIMIT '.($min-1).','.($max-$min);	} elsif ($env{'form.sortorder'} eq 'desc') {
	$order = 'DESC';
	} else {
	$order = '';
	}
	} else {
	$order = '';
	}
	if ($env{'form.sortfield'} ne 'default' &&
	exists($sort_fields{$env{'form.sortfield'}})) {
	$sort_command = $env{'form.sortfield'}.' IS NOT NULL '.
	'ORDER BY '.$env{'form.sortfield'}.' '.$order.
	' LIMIT '.($min-1).','.($max-$min+1);
}	}
my @Results = &Apache::lonmysql::get_rows($table,$sort_command);	my @Results = &Apache::lonmysql::get_rows($table,$sort_command);
##	##
## Loop through the results and output them.	## Loop through the results and output them.
	my $tabletype = 'metadata';
	if ($area eq 'portfolio') {
	$tabletype = 'portfolio_search';
	}
foreach my $row (@Results) {	foreach my $row (@Results) {
if ($connection->aborted()) {	if ($connection->aborted()) {
&cleanup();	&cleanup();
return;	return;
}	}
my %Fields = %{&parse_row(@$row)};	my %Fields = %{&parse_row($tabletype,@$row)};
my $output="<p>\n";	my $output="<p>\n";
if (! defined($Fields{'title'}) \|\| $Fields{'title'} eq '') {	if (! defined($Fields{'title'}) \|\| $Fields{'title'} eq '') {
$Fields{'title'} = 'Untitled';	$Fields{'title'} = 'Untitled';
Line 2801 sub display_results {	Line 2962 sub display_results {
} else {	} else {
$r->print	$r->print
('<center>'.	('<center>'.
&prev_next_buttons($min,$ENV{'form.show'},$total_results,	&prev_next_buttons($min,$env{'form.show'},$total_results,
"table=".$ENV{'form.table'}.	"table=".$env{'form.table'}.
"&phase=results".	"&phase=results".
"&persistent_db_id=".	"&persistent_db_id=".
$ENV{'form.persistent_db_id'})	$env{'form.persistent_db_id'})
."</center>\n"	."</center>\n"
);	);
}	}
$r->print("</form></body></html>");	$r->print("</form>".&Apache::loncommon::end_page());
$r->rflush();	$r->rflush();
untie %groupsearch_db if (tied(%groupsearch_db));	untie %groupsearch_db if (tied(%groupsearch_db));
return;	return;
Line 2823 sub display_results {	Line 2984 sub display_results {
=item &catalogmode_output($title,$url,$fnum,$checkbox_num)	=item &catalogmode_output($title,$url,$fnum,$checkbox_num)

Returns html needed for the various catalog modes. Gets inputs from	Returns html needed for the various catalog modes. Gets inputs from
$ENV{'form.catalogmode'}. Stores data in %groupsearch_db.	$env{'form.catalogmode'}. Stores data in %groupsearch_db.

=cut	=cut

Line 2832 $ENV{'form.catalogmode'}. Stores data i	Line 2993 $ENV{'form.catalogmode'}. Stores data i
sub catalogmode_output {	sub catalogmode_output {
my $output = '';	my $output = '';
my ($title,$url,$fnum,$checkbox_num) = @_;	my ($title,$url,$fnum,$checkbox_num) = @_;
if ($ENV{'form.catalogmode'} eq 'interactive') {	if ($env{'form.catalogmode'} eq 'interactive') {
$title=~ s/\'/\\\'/g;	$title=~ s/\'/\\\'/g;
if ($ENV{'form.catalogmode'} eq 'interactive') {	if ($env{'form.catalogmode'} eq 'interactive') {
$output.=<<END	$output.=<<END
<font size='-1'><INPUT TYPE="button" NAME="returnvalues" VALUE="SELECT"	<font size='-1'><input type="button" name="returnvalues" value="select"
onClick="javascript:select_data('$title','$url')">	onClick="javascript:select_data('$title','$url')" />
</font>	</font>
END	END
}	}
} elsif ($ENV{'form.catalogmode'} eq 'groupsearch') {	} elsif ($env{'form.catalogmode'} eq 'import') {
$groupsearch_db{"pre_${fnum}_link"}=$url;	$groupsearch_db{"pre_${fnum}_link"}=$url;
$groupsearch_db{"pre_${fnum}_title"}=$title;	$groupsearch_db{"pre_${fnum}_title"}=$title;
$output.=<<END;	$output.=<<END;
<font size='-1'>	<font size='-1'>
<input type="checkbox" name="returnvalues" value="SELECT"	<input type="checkbox" name="returnvalues" value="select"
onClick="javascript:queue($checkbox_num,$fnum)" />	onClick="javascript:queue($checkbox_num,$fnum)" />
</font>	</font>
END	END
Line 2867 Parse a row returned from the database.	Line 3028 Parse a row returned from the database.
######################################################################	######################################################################
######################################################################	######################################################################
sub parse_row {	sub parse_row {
my @Row = @_;	my ($tabletype,@Row) = @_;
my %Fields;	my %Fields;
if (! scalar(@Datatypes)) {	if (! scalar(@Datatypes)) {
&set_up_table_structure();	&set_up_table_structure($tabletype);
}	}
for (my $i=0;$i<=$#Row;$i++) {	for (my $i=0;$i<=$#Row;$i++) {
$Fields{$Datatypes[$i]->{'name'}}=&Apache::lonnet::unescape($Row[$i]);	$Fields{$Datatypes[$i]->{'name'}}=&unescape($Row[$i]);
}	}
$Fields{'language'} =	$Fields{'language'} =
&Apache::loncommon::languagedescription($Fields{'language'});	&Apache::loncommon::languagedescription($Fields{'language'});
Line 2906 The 'title' field is set to "Untitled" i	Line 3067 The 'title' field is set to "Untitled" i
###########################################################	###########################################################
###########################################################	###########################################################
sub parse_raw_result {	sub parse_raw_result {
my ($result,$hostname) = @_;	my ($result,$hostname,$tabletype) = @_;
# conclude from self to others regarding fields	# conclude from self to others regarding fields
my %Fields=&LONCAPA::lonmetadata::metadata_col_to_hash	my %Fields=&LONCAPA::lonmetadata::metadata_col_to_hash
(map {	($tabletype,
&Apache::lonnet::unescape($_);	map {
} (split(/\,/,$result)) );	&unescape($_);
	} (split(/\,/,$result)) );
return %Fields;	return %Fields;
}	}

Line 2931 sub handle_custom_fields {	Line 3093 sub handle_custom_fields {
my $customshow='';	my $customshow='';
my $extrashow='';	my $extrashow='';
my @customfields;	my @customfields;
if ($ENV{'form.customshow'}) {	if ($env{'form.customshow'}) {
$customshow=$ENV{'form.customshow'};	$customshow=$env{'form.customshow'};
$customshow=~s/[^\w\s]//g;	$customshow=~s/[^\w\s]//g;
my @fields=map {	my @fields=map {
"<font color=\"#008000\">$_:</font><!-- $_ -->";	"<font color=\"#008000\">$_:</font><!-- $_ -->";
Line 2948 sub handle_custom_fields {	Line 3110 sub handle_custom_fields {
if ($result=~/^(custom\=.*)$/) { # grab all custom metadata	if ($result=~/^(custom\=.*)$/) { # grab all custom metadata
my $tmp=$result;	my $tmp=$result;
$tmp=~s/^custom\=//;	$tmp=~s/^custom\=//;
my ($k,$v)=map {&Apache::lonnet::unescape($_);	my ($k,$v)=map {&unescape($_);
} split(/\,/,$tmp);	} split(/\,/,$tmp);
$customhash{$k}=$v;	$customhash{$k}=$v;
}	}
Line 2966 sub handle_custom_fields {	Line 3128 sub handle_custom_fields {
Output the proper html headers and javascript code to deal with different	Output the proper html headers and javascript code to deal with different
calling modes.	calling modes.

Takes most inputs directly from %ENV, except $mode.	Takes most inputs directly from %env, except $mode.

=over 4	=over 4

Line 2980 The following environment variables are	Line 3142 The following environment variables are

=item 'form.catalogmode'	=item 'form.catalogmode'

Checked for 'interactive' and 'groupsearch'.	Checked for 'interactive' and 'import'.

=item 'form.mode'	=item 'form.mode'

Line 3006 the name of the input field to put the t	Line 3168 the name of the input field to put the t
######################################################################	######################################################################
sub search_results_header {	sub search_results_header {
my ($importbutton,$closebutton) = @_;	my ($importbutton,$closebutton) = @_;
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
my $result = '';	my $js;
# output beginning of search page	# output beginning of search page
# conditional output of script functions dependent on the mode in	# conditional output of script functions dependent on the mode in
# which the search was invoked	# which the search was invoked
if ($ENV{'form.catalogmode'} eq 'interactive'){	if ($env{'form.catalogmode'} eq 'interactive'){
if (! exists($ENV{'form.mode'}) \|\| $ENV{'form.mode'} ne 'edit') {	if (! exists($env{'form.mode'}) \|\| $env{'form.mode'} ne 'edit') {
$result.=<<SCRIPT;	$js.=<<SCRIPT;
<script type="text/javascript">	<script type="text/javascript">
function select_data(title,url) {	function select_data(title,url) {
changeTitle(title);	changeTitle(title);
Line 3032 sub search_results_header {	Line 3194 sub search_results_header {
}	}
</script>	</script>
SCRIPT	SCRIPT
} elsif ($ENV{'form.mode'} eq 'edit') {	} elsif ($env{'form.mode'} eq 'edit') {
my $form = $ENV{'form.form'};	my $form = $env{'form.form'};
my $element = $ENV{'form.element'};	my $element = $env{'form.element'};
my $titleelement = $ENV{'form.titleelement'};	my $titleelement = $env{'form.titleelement'};
my $changetitle;	my $changetitle;
if (!$titleelement) {	if (!$titleelement) {
$changetitle='function changeTitle(val) {}';	$changetitle='function changeTitle(val) {}';
Line 3052 function changeTitle(val) {	Line 3214 function changeTitle(val) {
END	END
}	}

$result.=<<SCRIPT;	$js.=<<SCRIPT;
<script type="text/javascript">	<script type="text/javascript">
function select_data(title,url) {	function select_data(title,url) {
changeURL(url);	changeURL(url);
Line 3072 function changeURL(val) {	Line 3234 function changeURL(val) {
SCRIPT	SCRIPT
}	}
}	}
$result.=<<SCRIPT if $ENV{'form.catalogmode'} eq 'groupsearch';	$js.=<<SCRIPT if $env{'form.catalogmode'} eq 'import';
<script type="text/javascript">	<script type="text/javascript">
function queue(checkbox_num,val) {	function queue(checkbox_num,val) {
if (document.forms.results.returnvalues.length != "undefined" &&	if (document.forms.results.returnvalues.length != "undefined" &&
typeof(document.forms.results.returnvalues.length) == "number") {	typeof(document.forms.results.returnvalues.length) == "number") {
if (document.forms.results.returnvalues[checkbox_num].checked) {	if (document.forms.results.returnvalues[checkbox_num].checked) {
parent.statusframe.document.forms.statusform.elements.Queue.value +='1a'+val+'b';	parent.statusframe.document.forms.statusform.elements.acts.value +='1a'+val+'b';
} else {	} else {
parent.statusframe.document.forms.statusform.elements.Queue.value +='0a'+val+'b';	parent.statusframe.document.forms.statusform.elements.acts.value +='0a'+val+'b';
}	}
} else {	} else {
if (document.forms.results.returnvalues.checked) {	if (document.forms.results.returnvalues.checked) {
parent.statusframe.document.forms.statusform.elements.Queue.value +='1a'+val+'b';	parent.statusframe.document.forms.statusform.elements.acts.value +='1a'+val+'b';
} else {	} else {
parent.statusframe.document.forms.statusform.elements.Queue.value +='0a'+val+'b';	parent.statusframe.document.forms.statusform.elements.acts.value +='0a'+val+'b';
}	}
}	}
}	}
function select_group() {	function select_group() {
parent.window.location=	parent.window.location=
"/adm/groupsort?mode=$ENV{'form.mode'}&catalogmode=groupsearch&acts="+	"/adm/groupsort?mode=$env{'form.mode'}&catalogmode=import&acts="+
parent.statusframe.document.forms.statusform.elements.Queue.value;	parent.statusframe.document.forms.statusform.elements.acts.value;
}	}
</script>	</script>
SCRIPT	SCRIPT
$result.=<<END;
</head>	my $start_page = &Apache::loncommon::start_page(undef,$js,
$bodytag	{'only_body' =>1});
<form name="results" method="post" action="/adm/searchcat" >	my $result=<<END;
<input type="hidden" name="Queue" value="" />	$start_page
	<form name="results" method="post" action="/adm/searchcat">
$importbutton	$importbutton
END	END
return $result;	return $result;
}	}

######################################################################
######################################################################
sub search_status_header {
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
my $html=&Apache::lonxml::xmlbegin();
return <<ENDSTATUS;
$html
<head>
<title>Search Status</title></head>
$bodytag
<h3>Search Status</h3>
Sending search request to LON-CAPA servers.<br />
ENDSTATUS
}

sub results_link {	sub results_link {
my $basic_link = "/adm/searchcat?"."&table=".$ENV{'form.table'}.	my $basic_link = "/adm/searchcat?"."&table=".$env{'form.table'}.
"&persistent_db_id=".$ENV{'form.persistent_db_id'};	"&persistent_db_id=".$env{'form.persistent_db_id'};
my $results_link = $basic_link."&phase=results".	my $results_link = $basic_link."&phase=results".
"&pause=1"."&start=1";	"&pause=1"."&start=1";
return $results_link;	return $results_link;
Line 3134 sub results_link {	Line 3282 sub results_link {
######################################################################	######################################################################
sub print_frames_interface {	sub print_frames_interface {
my $r = shift;	my $r = shift;
my $basic_link = "/adm/searchcat?"."&table=".$ENV{'form.table'}.	my $basic_link = "/adm/searchcat?"."&table=".$env{'form.table'}.
"&persistent_db_id=".$ENV{'form.persistent_db_id'};	"&persistent_db_id=".$env{'form.persistent_db_id'};
my $run_search_link = $basic_link."&phase=run_search";	my $run_search_link = $basic_link."&phase=run_search";
my $results_link = &results_link();	my $results_link = &results_link();
my $html=&Apache::lonxml::xmlbegin();	my $js = <<JS;
my $result = <<"ENDFRAMES";	<script type="text/javascript">
$html
<head>
<script>
var targetwin = opener;	var targetwin = opener;
var queue = '';	var queue = '';
</script>	</script>
<title>LON-CAPA Digital Library Search Results</title>	JS
</head>
<frameset rows="150,*">	my $start_page =
	&Apache::loncommon::start_page('LON-CAPA Digital Library Search Results',
	$js,
	{'frameset' => 1,
	'add_entries' => {
	'rows' => "150,*",},});
	my $end_page =
	&Apache::loncommon::end_page({'frameset' => 1});

	my $result = <<"ENDFRAMES";
	$start_page
<frame name="statusframe" src="$run_search_link">	<frame name="statusframe" src="$run_search_link">
<frame name="resultsframe" src="$results_link">	<frame name="resultsframe" src="$results_link">
</frameset>	$end_page
</html>
ENDFRAMES	ENDFRAMES

$r->print($result);	$r->print($result);
Line 3219 extra custom metadata to show.	Line 3373 extra custom metadata to show.
sub detailed_citation_view {	sub detailed_citation_view {
my ($prefix,%values) = @_;	my ($prefix,%values) = @_;
my $result;	my $result;
	my $jumpurl=$values{'url'};
	$jumpurl=~s\|^/ext/\|http://\|;
$result .= '<b>'.$prefix.	$result .= '<b>'.$prefix.
'<img src="'.&Apache::loncommon::icon($values{'url'}).' " />'.' '.	'<img src="'.&Apache::loncommon::icon($values{'url'}).'" />'.' '.
'<a href="http://'.$ENV{'HTTP_HOST'}.$values{'url'}.'" '.	'<a href="'.$jumpurl.'" '.
'target="search_preview">'.$values{'title'}."</a></b>\n";	'target="preview">'.$values{'title'}."</a></b>\n";
$result .= "<p>\n";	$result .= "<p>\n";
$result .= '<b>'.$values{'author'}.'</b>,'.	$result .= '<b>'.$values{'author'}.'</b>,'.
' <i>'.$values{'owner'}.'</i><br />';	' <i>'.$values{'owner'}.'</i><br />';
Line 3286 sub detailed_citation_view {	Line 3442 sub detailed_citation_view {
next if (! exists($values{$field->{'name'}}) \|\|	next if (! exists($values{$field->{'name'}}) \|\|
$values{$field->{'name'}} eq '');	$values{$field->{'name'}} eq '');
if (exists($field->{'type'}) && $field->{'type'} eq 'list') {	if (exists($field->{'type'}) && $field->{'type'} eq 'list') {
$result .= '<b>'.&mt($field->{'translate'}).'</b><ul>';	$result .= '<b>'.&mt($field->{'translate'}).'</b>';
foreach my $item (split(',',$values{$field->{'name'}})){	foreach my $item (split(',',$values{$field->{'name'}})){
$result .= '<li>'.	$item = &Apache::lonnet::clutter($item);
'<a target="search_preview" '.	$result .= &display_url($item,[2,0,1]);
'href="/res/'.$item.'">'.$item.'</a></li>';
}	}
$result .= '</ul>';
} elsif (exists($field->{'format'}) && $field->{'format'} ne ''){	} elsif (exists($field->{'format'}) && $field->{'format'} ne ''){
$result.= &mt($field->{'translate'},	$result.= &mt($field->{'translate'},
sprintf($field->{'format'},	sprintf($field->{'format'},
$values{$field->{'name'}}))."<br />\n";	$values{$field->{'name'}}))."<br />\n";
} else {	} else {
if ($field->{'special'} eq 'url link') {	if ($field->{'special'} eq 'url link') {
$result.=	$result .= &display_url($jumpurl,[3,0,1]);
&mt($field->{'translate'},
'<a href="'.$values{'url'}.'" '.
'target="search_preview">'.
$values{$field->{'name'}}.
'</a>');
} else {	} else {
$result.= &mt($field->{'translate'},	$result.= &mt($field->{'translate'},
$values{$field->{'name'}});	$values{$field->{'name'}});
Line 3323 sub detailed_citation_view {	Line 3472 sub detailed_citation_view {
return $result;	return $result;
}	}

	sub detailed_citation_preview {
	my ($prefix,%values)=@_;
	return '<table><tr><td>'.
	&detailed_citation_view($prefix,%values).
	'</td><td>'.
	&Apache::lonindexer::showpreview($values{'url'}).
	'</td></tr></table><hr />';
	}


######################################################################	######################################################################
######################################################################	######################################################################

Line 3336 sub detailed_citation_view {	Line 3495 sub detailed_citation_view {
sub summary_view {	sub summary_view {
my ($prefix,%values) = @_;	my ($prefix,%values) = @_;
my $icon=&Apache::loncommon::icon($values{'url'});	my $icon=&Apache::loncommon::icon($values{'url'});
my $result=<<END;	my $result=qq{$prefix<img src="$icon" />};
$prefix<img src="$icon" />	if (exists($env{'form.sortfield'}) &&
<a href="http://$ENV{'HTTP_HOST'}$values{'url'}"	$env{'form.sortfield'} !~ /^(default\|
target='search_preview'>$values{'author'}</a><br />	author\|
$values{'title'}<br />	url\|
$values{'owner'} -- $values{'lastrevisiondate'}<br />	title\|
	owner\|
	lastrevisiondate\|
	copyright)$/x) {
	my $tmp = $values{$env{'form.sortfield'}};
	if (! defined($tmp)) { $tmp = 'undefined'; }
	$result .= ' '.$tmp.' ';
	}
	my $jumpurl=$values{'url'};
	$jumpurl=~s\|^/ext/\|http://\|;
	my $link = &display_url($jumpurl,[2,0,1]);

	$result.=<<END;
	<a href="$jumpurl"
	target='preview'>$values{'title'}</a> <br />
	$link <br />
	$values{'author'}, $values{'owner'} -- $values{'lastrevisiondate'}<br />
$values{'copyrighttag'}<br />	$values{'copyrighttag'}<br />
$values{'extrashow'}	$values{'extrashow'}
</p>	</p>
Line 3350 END	Line 3525 END
return $result;	return $result;
}	}

	sub summary_preview {
	my ($prefix,%values)=@_;
	return '<table><tr><td>'.
	&summary_view($prefix,%values).
	'</td><td>'.
	&Apache::lonindexer::showpreview($values{'url'}).
	'</td></tr></table><hr />';
	}

######################################################################	######################################################################
######################################################################	######################################################################

Line 3363 END	Line 3547 END
######################################################################	######################################################################
sub compact_view {	sub compact_view {
my ($prefix,%values) = @_;	my ($prefix,%values) = @_;
	my $jumpurl=$values{'url'};
	$jumpurl=~s\|^/ext/\|http://\|;

	my $link = &display_url($jumpurl,[1,1,1]);

my $result =	my $result =
$prefix.'<img src="'.&Apache::loncommon::icon($values{'url'}).	$prefix.'<img src="'.&Apache::loncommon::icon($values{'url'}).'">';
'"> <a href="'.$values{'url'}.'" target="search_preview">'.	if (exists($env{'form.sortfield'}) &&
$values{'title'}.'</a>'.(' 'x2).	$env{'form.sortfield'} !~ /^(default\|author\|url\|title)$/) {
'<b>'.$values{'author'}.'</b><br />';	my $tmp = $values{$env{'form.sortfield'}};
	if (! defined($tmp)) { $tmp = 'undefined'; }
	$result .= ' '.$tmp.' ';
	}
	$jumpurl = &HTML::Entities::encode($jumpurl,'<>&"');
	$result.=' <span class="LC_nobreak">'.
	'<a href="'.$jumpurl.'" target="preview">'.
	&HTML::Entities::encode($values{'title'},'<>&"').'</a></span> '.
	$link.' <b>'.$values{'author'}.'</b> ('.$values{'domain'}.')<br />';
return $result;	return $result;
}	}

	sub display_url {
	my ($url,$crumb_args) = @_;
	my $link;
	if ($url=~m\|^/ext/\|) {
	$url=~s\|^/ext/\|http://\|;
	$link='<span class="LC_filename">'.$url.'</span>';
	} elsif ($url=~m{^(http://\|/uploaded/)}) {
	$link='<span class="LC_filename">'.$url.'</span>';
	} else {
	$link=&Apache::lonhtmlcommon::crumbs($url,
	'preview',
	'',
	(($env{'form.catalogmode'} eq 'import')?'parent.statusframe.document.forms.statusform':''),@{$crumb_args}).' ';
	}
	return $link;
	}

######################################################################	######################################################################
######################################################################	######################################################################
Line 3387 sub fielded_format_view {	Line 3600 sub fielded_format_view {
my ($prefix,%values) = @_;	my ($prefix,%values) = @_;
my $icon=&Apache::loncommon::icon($values{'url'});	my $icon=&Apache::loncommon::icon($values{'url'});
my %Translated = &Apache::lonmeta::fieldnames();	my %Translated = &Apache::lonmeta::fieldnames();
	my $jumpurl=$values{'url'};
	$jumpurl=~s\|^/ext/\|http://\|;

my $result=<<END;	my $result=<<END;
$prefix <img src="$icon" />	$prefix <img src="$icon" />
<dl>	<dl>
<dt>URL:</dt>	<dt>URL:</dt>
<dd><a href="http://$ENV{'HTTP_HOST'}$values{'url'}"	<dd><a href="$jumpurl"
target='search_preview'>$values{'url'}</a></dd>	target='preview'>$values{'url'}</a></dd>
END	END
foreach my $field ('title','author','domain','subject','keywords','notes',	foreach my $field ('title','author','domain','subject','keywords','notes',
'mimetag','language','creationdate','lastrevisiondate',	'mimetag','language','creationdate','lastrevisiondate',
Line 3528 sub output_unparsed_phrase_error {	Line 3744 sub output_unparsed_phrase_error {
my ($r,$closebutton,$parms,$hidden_fields,$field)=@_;	my ($r,$closebutton,$parms,$hidden_fields,$field)=@_;
my $errorstring;	my $errorstring;
if ($field eq 'basicexp') {	if ($field eq 'basicexp') {
$errorstring = &mt('Unable to understand the search phrase <i>[_1]</i>. Please modify your search.',$ENV{'form.basicexp'});	$errorstring = &mt('Unable to understand the search phrase <i>[_1]</i>. Please modify your search.',$env{'form.basicexp'});
} else {	} else {
$errorstring = &mt('Unable to understand the search phrase <b>[_1]</b>:<i>[_2]</i>.',$field,$ENV{'form.'.$field});	$errorstring = &mt('Unable to understand the search phrase <b>[_1]</b>:<i>[_2]</i>.',$field,$env{'form.'.$field});
}	}
my $bodytag = &Apache::loncommon::bodytag('Search');
my $heading = &mt('Unparsed Field');	my $heading = &mt('Unparsed Field');
my $revise = &mt('Revise search request');	my $revise = &mt('Revise search request');
# make query information persistent to allow for subsequent revision	# make query information persistent to allow for subsequent revision
my $html=&Apache::lonxml::xmlbegin();	my $start_page = &Apache::loncommon::start_page('Search');
	my $end_page = &Apache::loncommon::end_page();
$r->print(<<ENDPAGE);	$r->print(<<ENDPAGE);
$html	$start_page
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
$bodytag
<form method="post" action="/adm/searchcat">	<form method="post" action="/adm/searchcat">
$hidden_fields	$hidden_fields
$closebutton	$closebutton
Line 3552 $closebutton	Line 3764 $closebutton
$errorstring	$errorstring
</p>	</p>
<p>	<p>
<a href="/adm/searchcat?$parms&persistent_db_id=$ENV{'form.persistent_db_id'}">$revise</a>	<a href="/adm/searchcat?$parms&persistent_db_id=$env{'form.persistent_db_id'}">$revise</a>
</p>	</p>
</body>	$end_page
</html>
ENDPAGE	ENDPAGE
}	}

Line 3581 $parms is extra information to include i	Line 3792 $parms is extra information to include i
######################################################################	######################################################################
sub output_blank_field_error {	sub output_blank_field_error {
my ($r,$closebutton,$parms,$hidden_fields)=@_;	my ($r,$closebutton,$parms,$hidden_fields)=@_;
my $bodytag=&Apache::loncommon::bodytag('Search');
my $errormsg = &mt('You did not fill in enough information for the search to be started. You need to fill in relevant fields on the search page in order for a query to be processed.');	my $errormsg = &mt('You did not fill in enough information for the search to be started. You need to fill in relevant fields on the search page in order for a query to be processed.');
my $revise = &mt('Revise Search Request');	my $revise = &mt('Revise Search Request');
my $heading = &mt('Unactionable Search Queary');	my $heading = &mt('Unactionable Search Queary');
my $html=&Apache::lonxml::xmlbegin();	my $start_page = &Apache::loncommon::start_page('Search');
	my $end_page = &Apache::loncommon::end_page();
$r->print(<<ENDPAGE);	$r->print(<<ENDPAGE);
$html	$start_page
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
$bodytag
<form method="post" action="/adm/searchcat">	<form method="post" action="/adm/searchcat">
$hidden_fields	$hidden_fields
$closebutton	$closebutton
Line 3601 $closebutton	Line 3808 $closebutton
$errormsg	$errormsg
</p>	</p>
<p>	<p>
<a href="/adm/searchcat?$parms&persistent_db_id=$ENV{'form.persistent_db_id'}">$revise</a>	<a href="/adm/searchcat?$parms&persistent_db_id=$env{'form.persistent_db_id'}">$revise</a>
</p>	</p>
</body>	$end_page
</html>
ENDPAGE	ENDPAGE
return;	return;
}	}
Line 3631 Inputs:	Line 3837 Inputs:
sub output_date_error {	sub output_date_error {
my ($r,$message,$closebutton,$hidden_fields)=@_;	my ($r,$message,$closebutton,$hidden_fields)=@_;
# make query information persistent to allow for subsequent revision	# make query information persistent to allow for subsequent revision
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);	my $start_page = &Apache::loncommon::start_page('Search');
my $html=&Apache::lonxml::xmlbegin();	my $end_page = &Apache::loncommon::end_page();
$r->print(<<RESULTS);	$r->print(<<RESULTS);
$html	$start_page
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
$bodytag
<img align='right' src='/adm/lonIcons/lonlogos.gif' />
<h1>Search Catalog</h1>
<form method="post" action="/adm/searchcat">	<form method="post" action="/adm/searchcat">
$hidden_fields	$hidden_fields
<input type='button' value='Revise search request'	<input type='button' value='Revise search request'
Line 3651 $closebutton	Line 3851 $closebutton
<p>	<p>
$message	$message
</p>	</p>
</body>	$end_page
</html>
RESULTS	RESULTS
}	}

Line 3692 sub cleanup {	Line 3891 sub cleanup {
}	}
&untiehash();	&untiehash();
&Apache::lonmysql::disconnect_from_db();	&Apache::lonmysql::disconnect_from_db();
	return OK;
}	}

__END__	__END__

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.240
changed lines
	Added in v.1.287