loncom/interface/lonsearchcat.pm - diff

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Diff for /loncom/interface/lonsearchcat.pm between versions 1.239 and 1.262

version 1.239, 2005/03/16 22:46:24	version 1.262, 2006/04/11 19:53:11
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();

######################################################################	######################################################################
######################################################################	######################################################################
Line 93 my %persistent_db; # gdbm hash which h	Line 94 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 116 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 $loaderror; }
Line 144 sub handler {	Line 144 sub handler {
## printing the results. We only need (theoretically) to do	## printing the results. We only need (theoretically) to do
## this once, so the pause indicator is deleted	## this once, so the pause indicator is deleted
##	##
if (exists($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'}_searchcat.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).	&Apache::lonnet::escape($domain).
'_'.&Apache::lonnet::escape($ENV{'user.name'}).	'_'.&Apache::lonnet::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'}) && $ENV{'request.course.id'} ne '') {	if (exists($env{'request.course.id'}) && $env{'request.course.id'} ne '') {
&Apache::lonhtmlcommon::add_breadcrumb	&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/searchcat?'.	({href=>'/adm/searchcat?'.
'catalogmode='.$ENV{'form.catalogmode'}.	'catalogmode='.$env{'form.catalogmode'}.
'&launch='.$ENV{'form.launch'}.	'&launch='.$env{'form.launch'}.
'&mode='.$ENV{'form.mode'},	'&mode='.$env{'form.mode'},
text=>"Course and Catalog Search",	text=>"Course and Catalog Search",
target=>'_top',	target=>'_top',
bug=>'Searching',});	bug=>'Searching',});
} else {	} else {
&Apache::lonhtmlcommon::add_breadcrumb	&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/searchcat?'.	({href=>'/adm/searchcat?'.
'catalogmode='.$ENV{'form.catalogmode'}.	'catalogmode='.$env{'form.catalogmode'}.
'&launch='.$ENV{'form.launch'}.	'&launch='.$env{'form.launch'}.
'&mode='.$ENV{'form.mode'},	'&mode='.$env{'form.mode'},
text=>"Catalog Search",	text=>"Catalog Search",
target=>'_top',	target=>'_top',
bug=>'Searching',});	bug=>'Searching',});
}	}
#	#
if ($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	$msg);
We were unable to retrieve data describing your search. This is a serious	return OK;
error and has been logged. Please alert your LON-CAPA administrator.
</body>
</html>
END
return OK;
}	}
}	}
} else {	} else {
Line 216 END	Line 211 END
## Clear out old values from groupsearch database	## Clear out old values from groupsearch database
##	##
untie %groupsearch_db if (tied(%groupsearch_db));	untie %groupsearch_db if (tied(%groupsearch_db));
if (($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'))) {	($env{'form.catalogmode'} eq 'groupsearch'))) {
if (tie(%groupsearch_db,'GDBM_File',$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 231 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');	$hidden_fields .= &hidden_field('mode');
}	}
##	##
## Configure dynamic components of interface	## Configure dynamic components of interface
##	##
if ($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 'groupsearch') {
$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()'";	$closebutton .="onClick='self.close()'";
Line 282 END	Line 277 END
##	##
## Sanity checks on form elements	## Sanity checks on form elements
##	##
if (!defined($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'}));	$env{'form.phase'} = 'disp_basic' if (! exists($env{'form.phase'}));
$ENV{'form.show'} = 20 if (! exists($ENV{'form.show'}));	$env{'form.show'} = 20 if (! exists($env{'form.show'}));
#	#
$ENV{'form.searchmode'} = 'basic' if (! exists($ENV{'form.searchmode'}));	$env{'form.searchmode'} = 'basic' if (! exists($env{'form.searchmode'}));
if ($ENV{'form.phase'} eq 'adv_search' \|\|	if ($env{'form.phase'} eq 'adv_search' \|\|
$ENV{'form.phase'} eq 'disp_adv') {	$env{'form.phase'} eq 'disp_adv') {
$ENV{'form.searchmode'} = 'advanced';	$env{'form.searchmode'} = 'advanced';
} elsif ($ENV{'form.phase'} eq 'course_search') {	} elsif ($env{'form.phase'} eq 'course_search') {
$ENV{'form.searchmode'} = 'course_search';	$env{'form.searchmode'} = 'course_search';
}	}
#	#
if ($ENV{'form.searchmode'} eq 'advanced') {	if ($env{'form.searchmode'} eq 'advanced') {
&Apache::lonhtmlcommon::add_breadcrumb	&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/searchcat?phase=disp_adv&'.	({href=>'/adm/searchcat?phase=disp_adv&'.
'catalogmode='.$ENV{'form.catalogmode'}.	'catalogmode='.$env{'form.catalogmode'}.
'&launch='.$ENV{'form.launch'}.	'&launch='.$env{'form.launch'}.
'&mode='.$ENV{'form.mode'},	'&mode='.$env{'form.mode'},
text=>"Advanced Search",	text=>"Advanced Search",
bug=>'Searching',});	bug=>'Searching',});
} elsif ($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)$/) {	} elsif ($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);
}	}
} 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 371 END	Line 361 END
&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 =
$html	'Unable to create table in which to store search results. '.
<head>	'The search has been aborted.';
<title>Search Error</title></head>	&Apache::loncommon::simple_error_page($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 store search information. '.
$html	'The search has been aborted.';
<head>	&Apache::loncommon::simple_error_page($r,'Search Error',
<title>Search Error</title></head>	$msg);
$bodytag	return OK;
Unable to properly store search information. The search has been aborted.	}
</body>
</html>
END
return OK;
}
##	##
## Print out the frames interface	## Print out the frames interface
##	##
Line 415 END	Line 395 END
# This routine sets non existant checkbox form elements to ''.	# This routine sets non existant checkbox form elements to ''.
#	#
sub clean_up_environment {	sub clean_up_environment {
if ($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'} = '';	$env{'form.crsrelated'} = '';
}	}
}	}
}	}
Line 439 sub clean_up_environment {	Line 419 sub clean_up_environment {
sub hidden_field {	sub hidden_field {
my ($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 449 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 498 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 $applies = 0;
Line 532 sub course_search {	Line 512 sub course_search {
}	}
}	}
if (defined($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 586 sub course_search {	Line 566 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 578 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 619 sub checkonthis {	Line 599 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 {
Line 662 sub untiehash {	Line 642 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 658 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 'groupsearch');
my $bodytag=&Apache::loncommon::bodytag('Search').	my $bread_crumb =
&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching','Search_Basic',	&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching','Search_Basic',
undef,undef,	undef,undef,
$ENV{'form.catalogmode'} ne 'groupsearch');	$env{'form.catalogmode'} ne 'groupsearch');
my $scrout = &search_html_header().$bodytag;	my $scrout = &Apache::loncommon::start_page('Search').$bread_crumb;
if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) {	if (&Apache::lonnet::allowed('bre',$env{'request.role.domain'})) {
# Define interface components	# Define interface components
my $userelatedwords= '<label>'.	my $userelatedwords= '<label>'.
&mt('[_1] use related words',	&mt('[_1] use related words',
&Apache::lonhtmlcommon::checkbox	&Apache::lonhtmlcommon::checkbox
('related',$ENV{'form.related'},'related')).'</label>';	('related',$env{'form.related'},'related')).'</label>';
my $onlysearchdomain='<label>'.	my $onlysearchdomain='<label>'.
&mt('[_1] only search domain [_2]',	&mt('[_1] only search domain [_2]',
&Apache::lonhtmlcommon::checkbox('domains',	&Apache::lonhtmlcommon::checkbox('domains',
$ENV{'form.domains'},	$env{'form.domains'},
$r->dir_config('lonDefDomain')	$r->dir_config('lonDefDomain')
),	),
$r->dir_config('lonDefDomain')	$r->dir_config('lonDefDomain')
).'</label>';	).'</label>';
	my $inclext= '<label>'.
	&mt('[_1] include external resources',
	&Apache::lonhtmlcommon::checkbox
	('inclext',$env{'form.inclext'})).'</label>';
my $adv_search_link =	my $adv_search_link =
'<a href="/adm/searchcat?'.	'<a href="/adm/searchcat?'.
'phase=disp_adv&'.	'phase=disp_adv&'.
'catalogmode='.$ENV{'form.catalogmode'}.	'catalogmode='.$env{'form.catalogmode'}.
'&launch='.$ENV{'form.launch'}.	'&launch='.$env{'form.launch'}.
'&mode='.$ENV{'form.mode'}.	'&mode='.$env{'form.mode'}.
'">'.&mt('Advanced Search').'</a>';	'">'.&mt('Advanced Search').'</a>';
#	#
$scrout.='<form name="loncapa_search" method="post" '.	$scrout.='<form name="loncapa_search" method="post" '.
Line 722 sub print_basic_search_form {	Line 696 sub print_basic_search_form {
$hidden_fields;	$hidden_fields;
#	#
$scrout .= '<center>'.$/;	$scrout .= '<center>'.$/;
if ($ENV{'request.course.id'}) {	if ($env{'request.course.id'}) {
$scrout .= '<h1>'.&mt('LON-CAPA Catalog Search').'</h1>';	$scrout .= '<h1>'.&mt('LON-CAPA Catalog Search').'</h1>';
} else {	} else {
# No need to tell them they are searching	# No need to tell them they are searching
Line 732 sub print_basic_search_form {	Line 706 sub print_basic_search_form {
'<tr><td align="center" valign="top">'.	'<tr><td align="center" valign="top">'.
&Apache::lonhtmlcommon::textbox	&Apache::lonhtmlcommon::textbox
('basicexp',	('basicexp',
&HTML::Entities::encode($ENV{'form.basicexp'},'<>&"'),50	&HTML::Entities::encode($env{'form.basicexp'},'<>&"'),50
).	).
'<br />'.	'<br />'.
'<font size="-1">'.&searchhelp().'</font>'.'</td>'.	'<font size="-1">'.&searchhelp().'</font>'.'</td>'.
Line 740 sub print_basic_search_form {	Line 714 sub print_basic_search_form {
'<nobr>'.(' 'x3).$adv_search_link.'</nobr>'.'<br />'.	'<nobr>'.(' 'x3).$adv_search_link.'</nobr>'.'<br />'.
'<nobr>'.(' 'x1).$userelatedwords.'</nobr>'.'<br />'.	'<nobr>'.(' 'x1).$userelatedwords.'</nobr>'.'<br />'.
'<nobr>'.(' 'x1).$onlysearchdomain.'</nobr>'.'<br />'.	'<nobr>'.(' 'x1).$onlysearchdomain.'</nobr>'.'<br />'.
'</font></td>'.	'<nobr>'.(' 'x1).$inclext.'</nobr>'.'<br />'.
	'</font></td>'.
'</tr>'.$/;	'</tr>'.$/;
#	#
$scrout .= '<tr><td align="center" colspan="2">'.	$scrout .= '<tr><td align="center" colspan="2">'.
Line 753 sub print_basic_search_form {	Line 728 sub print_basic_search_form {
'</td></tr>'.$/;	'</td></tr>'.$/;
$scrout .= '</table>'.$/.'</center>'.'</form>';	$scrout .= '</table>'.$/.'</center>'.'</form>';
}	}
if ($ENV{'request.course.id'}) {	if ($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 752 $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 774 ENDCOURSESEARCH
</form>	</form>
ENDENDCOURSE	ENDENDCOURSE
}	}
$scrout.=(<<ENDDOCUMENT);	$scrout .= &Apache::loncommon::end_page();
</body>
</html>
ENDDOCUMENT
$r->print($scrout);	$r->print($scrout);
return;	return;
}	}
Line 821 Prints the advanced search form.	Line 793 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(undef,'Searching',
'Search_Advanced',	'Search_Advanced',
undef,undef,	undef,undef,
$ENV{'form.catalogmode'} ne 'groupsearch');	$env{'form.catalogmode'} ne 'groupsearch');
my %lt=&Apache::lonlocal::texthash('srch' => 'Search',	my %lt=&Apache::lonlocal::texthash('srch' => 'Search',
'reset' => 'Reset',	'reset' => 'Reset',
'help' => 'Help');	'help' => 'Help');
Line 834 sub print_advanced_search_form{	Line 806 sub print_advanced_search_form{
<input type="reset" name="reset" value='$lt{"reset"}' />	<input type="reset" name="reset" value='$lt{"reset"}' />
$closebutton	$closebutton
END	END
my $scrout=&search_html_header();	my $scrout= &Apache::loncommon::start_page('Advanced Catalog Search');
$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 860 ENDHEADER	Line 832 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';	$scrout .= 'related words';
Line 885 ENDHEADER	Line 859 ENDHEADER
'<td align="right">'.&titlefield($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 868 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>'.
	&mt('[_1] include external resources',
	&Apache::lonhtmlcommon::checkbox
	('inclext',$env{'form.inclext'})).'</label></td></tr>'.$/;
#	#
# Misc metadata	# Misc metadata
$scrout.='<tr><td align="right" valign="top">'.	$scrout.='<tr><td align="right" valign="top">'.
&titlefield(&mt('Copyright/Distribution')).'</td><td colspan="2">'.	&titlefield(&mt('Copyright/Distribution')).'</td><td colspan="2">'.
&Apache::lonmeta::selectbox('copyright',	&Apache::lonmeta::selectbox('copyright',
$ENV{'form.copyright'},	$env{'form.copyright'},
\&Apache::loncommon::copyrightdescription,	\&Apache::loncommon::copyrightdescription,
( undef,	( undef,
&Apache::loncommon::copyrightids)	&Apache::loncommon::copyrightids)
Line 914 ENDHEADER	Line 891 ENDHEADER
$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>';
Line 1026 ENDHEADER	Line 1003 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 1051 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 1074 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 1123 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 1145 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{$name}));
my @values = map {	my @values = map {
&Apache::lonnet::unescape($_);	&Apache::lonnet::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 1285 sub make_form_data_persistent {	Line 1263 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 1313 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($ENV{'form.'.$_});	$env{'form.'.$_}=&Apache::lonnet::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++;
}	}
}	}
Line 1379 sub parse_advanced_search {	Line 1357 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 1387 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);	$searchphrase = join(' OR ',@extensions);
}	}
Line 1426 sub parse_advanced_search {	Line 1404 sub parse_advanced_search {
}	}
#	#
# Evaluate option lists	# Evaluate option lists
if ($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";
}	}
#	#
# Statistics	# Statistics
foreach my $field (@StatsFields,@EvalFields) {	foreach my $field (@StatsFields,@EvalFields) {
my ($min,$max);	my ($min,$max);
if (exists($ENV{'form.'.$field.'_min'}) &&	if (exists($env{'form.'.$field.'_min'}) &&
$ENV{'form.'.$field.'_min'} ne '') {	$env{'form.'.$field.'_min'} ne '') {
$min = $ENV{'form.'.$field.'_min'};	$min = $env{'form.'.$field.'_min'};
}	}
if (exists($ENV{'form.'.$field.'_max'}) &&	if (exists($env{'form.'.$field.'_max'}) &&
$ENV{'form.'.$field.'_max'} ne '') {	$env{'form.'.$field.'_max'} ne '') {
$max = $ENV{'form.'.$field.'_max'};	$max = $env{'form.'.$field.'_max'};
}	}
next if (! defined($max) && ! defined($min));	next if (! defined($max) && ! defined($min));
if (defined($min) && defined($max)) {	if (defined($min) && defined($max)) {
Line 1517 sub parse_advanced_search {	Line 1495 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);	# $customshow=join(" ",@fields);
Line 1535 sub parse_advanced_search {	Line 1513 sub parse_advanced_search {
##	##
## Deal with restrictions to given domains	## Deal with restrictions to given domains
##	##
my ($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).')';	$query="SELECT * FROM metadata WHERE (".join(") AND (",@queries).')';
} elsif ($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'}) \|\| $env{'form.domains'} eq '') {
return (undef,'');	return (undef,'',undef);
}
my @allowed_domains;
if (ref($ENV{'form.domains'})) {
@allowed_domains = @{$ENV{'form.domains'}};
} else {
@allowed_domains = ($ENV{'form.domains'});
}	}
	my @allowed_domains = &Apache::loncommon::get_env_multiple('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 = "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 = "In LON-CAPA domains:";
} else {	} else {
$pretty_domains_string = "In LON-CAPA domain ";	$pretty_domains_string = "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> ";
}	}
Line 1591 sub parse_domain_restrictions {	Line 1560 sub parse_domain_restrictions {
}	}
}	}
return ($libraries_to_query,	return ($libraries_to_query,
$pretty_domains_string,	$pretty_domains_string);
$domain_sql_restriction);
}	}

######################################################################	######################################################################
Line 1613 sub parse_basic_search {	Line 1581 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($ENV{"form.$_"});	$env{"form.$_"}=&Apache::lonnet::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,$closebutton,'phase=disp_basic');
return OK;	return OK;
Line 1637 sub parse_basic_search {	Line 1604 sub parse_basic_search {
'notes','abstract','keywords')	'notes','abstract','keywords')
).')';	).')';
my ($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,$closebutton,'phase=disp_basic',
Line 1645 sub parse_basic_search {	Line 1612 sub parse_basic_search {
return;	return;
}	}
push(@Queries,$SQLQuery);	push(@Queries,$SQLQuery);
push(@Queries,$domain_sql_restriction);
#foreach my $q (@Queries) {	#foreach my $q (@Queries) {
# &Apache::lonnet::logthis(' '.$q);	# &Apache::lonnet::logthis(' '.$q);
#}	#}
Line 1656 sub parse_basic_search {	Line 1622 sub parse_basic_search {
}	}
$pretty_search_string .= "<br />\n";	$pretty_search_string .= "<br />\n";
$pretty_search_string =~ s:^<br /> and ::;	$pretty_search_string =~ s:^<br /> and ::;
&Apache::lonnet::logthis('simple search final query = '.$/.$final_query);	#&Apache::lonnet::logthis('simple search final query = '.$/.$final_query);
return ($final_query,$pretty_search_string,	return ($final_query,$pretty_search_string,
$libraries_to_query);	$libraries_to_query);
}	}
Line 2010 sub copyright_check {	Line 1976 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 $resdom)) {
return 0;	return 0;
}	}
return 1;	return 1;
Line 2048 sub ensure_db_and_table {	Line 2014 sub ensure_db_and_table {
if (! defined($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 stored in. ".
"</body></html>");	&Apache::loncommon::end_page());
return undef;	return undef;
}	}
##	##
Line 2057 sub ensure_db_and_table {	Line 2023 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 stored.".
	&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 2065 sub ensure_db_and_table {	Line 2032 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 ".$table);
return undef;	return undef;
Line 2094 a link to change the search query.	Line 2062 a link to change the search query.
######################################################################	######################################################################
sub print_sort_form {	sub print_sort_form {
my ($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 2116 sub print_sort_form {	Line 2080 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">	{'only_body' => 1});
	my $breadcrumbs=
	&Apache::lonhtmlcommon::breadcrumbs
	(undef,'Searching','Searching',undef,undef,
	$env{'form.catalogmode'} ne 'groupsearch');

	my $result = <<END;
	$start_page
	$breadcrumbs
	<form name="statusform" action="" method="POST">
<input type="hidden" name="Queue" value="" />	<input type="hidden" name="Queue" 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 2169 There are $total_results matches to your	Line 2139 There are $total_results matches to your
Search:$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 2206 my @Fullindicies;	Line 2174 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: none.

Line 2237 sub create_results_table {	Line 2205 sub create_results_table {
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 2289 sub update_status {	Line 2257 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 2338 Returns: html string for a 'revise searc	Line 2306 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 $result = qq{<input type="button" value="Revise search" name="revise"} .
Line 2364 results into MySQL.	Line 2332 results into MySQL.
######################################################################	######################################################################
sub run_search {	sub run_search {
my ($r,$query,$customquery,$customshow,$serverlist,$pretty_string) = @_;	my ($r,$query,$customquery,$customshow,$serverlist,$pretty_string) = @_;
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
$bodytag.=&Apache::lonhtmlcommon::breadcrumbs
(undef,'Searching','Searching',undef,undef,
$ENV{'form.catalogmode'} ne 'groupsearch');
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,
	{'only_body' => 1});
	my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs
	(undef,'Searching','Searching',undef,undef,
	$env{'form.catalogmode'} ne 'groupsearch');
$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="Queue" value="" />
END	END
Line 2409 END	Line 2376 END
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 store 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'} @ $env{'user.domain'}");
&Apache::lonnet::logthis("lonmysql error = ".	&Apache::lonnet::logthis("lonmysql error = ".
&Apache::lonmysql::get_error());	&Apache::lonmysql::get_error());
return;	return;
Line 2431 END	Line 2400 END
&Apache::lonmysql::get_debug());	&Apache::lonmysql::get_debug());
&Apache::lonnet::logthis('table status = "'.$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;
}	}
##	##
Line 2444 END	Line 2414 END
<table>	<table>
<tr><th>Status</th><th>Total Matches</th><th>Time Remaining</th><th></th></tr>	<tr><th>Status</th><th>Total Matches</th><th>Time Remaining</th><th></th></tr>
<tr>	<tr>
<td><input type="text" name="status" value="" size="30" /></td>	<td><input type="text" name="status" value="" size="50" /></td>
<td><input type="text" name="count" value="" size="10" /></td>	<td><input type="text" name="count" value="" size="10" /></td>
<td><input type="text" name="seconds" value="" size="8" /></td>	<td><input type="text" name="seconds" value="" size="8" /></td>
<td>$revise</td>	<td>$revise</td>
Line 2491 END	Line 2461 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 2523 END	Line 2493 END
my %Fields = &parse_raw_result($result,$server);	my %Fields = &parse_raw_result($result,$server);
$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));

#	#
# 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 2557 END	Line 2530 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 'groupsearch') {
$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 2617 sub display_results {	Line 2590 sub display_results {
##	##
## 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 2633 sub display_results {	Line 2606 sub display_results {
my $action = "/adm/searchcat?phase=results";	my $action = "/adm/searchcat?phase=results";
##	##
## Deal with groupsearch by opening the groupsearch db file.	## Deal with groupsearch by opening the groupsearch db file.
if ($ENV{'form.catalogmode'} eq 'groupsearch') {	if ($env{'form.catalogmode'} eq 'groupsearch') {
if (! tie(%groupsearch_db,'GDBM_File',$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 store 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 2657 sub display_results {	Line 2632 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 2683 sub display_results {	Line 2658 sub display_results {
);	);
#	#
# 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',	{key =>'count',desc=>'Number of accesses'},
'avetries',	{key =>'stdno',desc=>'Students Attempting'},
'difficulty',	{key =>'avetries',desc=>'Average Number of Tries'},
'disc',	{key =>'difficulty',desc=>'Mean Degree of Difficulty'},
'clear',	{key =>'disc',desc=>'Mean Degree of Discrimination'},
'technical',	{key =>'clear',desc=>'Evaluation: Clear'},
'correct',	{key =>'technical',desc=>'Evaluation: Technically Correct'},
'helpful',	{key =>'correct',desc=>'Evaluation: Material is Correct'},
'depth',	{key =>'helpful',desc=>'Evaluation: Material is Helpful'},
);	{key =>'depth',desc=>'Evaluation: Material has Depth'},
my %sort_fields = ('default' => 'Default',	);
'title' => 'Title',	my %fieldnames = &Apache::lonmeta::fieldnames();
'author' => 'Author',	my @field_order;
'subject' => 'Subject',	foreach my $field_data (@fields) {
'url' => 'URL',	push(@field_order,$field_data->{'key'});
'keywords' => 'Keywords',	if (! exists($field_data->{'desc'})) {
'version' => 'Version',	$field_data->{'desc'}=$fieldnames{$field_data->{'key'}};
'language' => 'Language',	} else {
'creationdate'=> 'Creation Date',	if (! defined($field_data->{'desc'})) {
'lastrevisiondate' => 'Last Revision Date',	$field_data->{'desc'} = ucfirst($field_data->{'key'});
'owner' => 'Owner',	}
'copyright' => 'Copyright',	$field_data->{'desc'} = &mt($field_data->{'desc'});
'authorspace' => 'Authorspace',	}
'lowestgradeleve' => 'Lowest Grade Level',	}
'highestgradelevel' => 'Highest Grade Level',	my %sort_fields = map {$_->{'key'},$_->{'desc'}} @fields;
'standards' => 'Standards',	$sort_fields{'select_form_order'} = \@field_order;
'count' => 'Number of Accesses',	$env{'form.sortorder'} = 'desc' if (! exists($env{'form.sortorder'}));
'stdno' => 'Students Attempting',	$env{'form.sortfield'} = 'count' if (! exists($env{'form.sortfield'}));
'avetries' => 'Average Number of Tries',	if (! exists($env{'form.sortorder'})) {
'difficulty' => 'Mean Degree of Difficulty',	if ($env{'form.sortfield'}=~/^(count\|stdno\|disc\|clear\|technical\|correct\|helpful)$/) {
'disc' => 'Mean Degree of Discrimination',	$env{'form.sortorder'}='desc';
'clear' => 'Evaluation: Clear',	} else {
'technical' => 'Evaluation: Technically Correct',	$env{'form.sortorder'}='asc';
'correct' => 'Evaluation: Material is Correct',	}
'helpful' => 'Evaluation: Material is Helpful',	}
'depth' => 'Evaluation: Material has Depth',	my $sortform = &mt('Sort by [_1] [_2]',
'select_form_order' => \@field_order,	&Apache::loncommon::select_form($env{'form.sortfield'},
);

my $sortform = &mt('Sort by [_1]',
&Apache::loncommon::select_form($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 2767 sub display_results {	Line 2745 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);
##	##
Line 2799 sub display_results {	Line 2789 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();	$r->rflush();
untie %groupsearch_db if (tied(%groupsearch_db));	untie %groupsearch_db if (tied(%groupsearch_db));
return;	return;
Line 2821 sub display_results {	Line 2811 sub display_results {
=item &catalogmode_output($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 2830 $ENV{'form.catalogmode'}. Stores data i	Line 2820 $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 'groupsearch') {
$groupsearch_db{"pre_${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;
Line 2929 sub handle_custom_fields {	Line 2919 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 2964 sub handle_custom_fields {	Line 2954 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 3004 the name of the input field to put the t	Line 2994 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;	$js.=<<SCRIPT;
<script type="text/javascript">	<script type="text/javascript">
function select_data(title,url) {	function select_data(title,url) {
changeTitle(title);	changeTitle(title);
Line 3030 sub search_results_header {	Line 3020 sub search_results_header {
}	}
</script>	</script>
SCRIPT	SCRIPT
} elsif ($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 3050 function changeTitle(val) {	Line 3040 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 3070 function changeURL(val) {	Line 3060 function changeURL(val) {
SCRIPT	SCRIPT
}	}
}	}
$result.=<<SCRIPT if $ENV{'form.catalogmode'} eq 'groupsearch';	$js.=<<SCRIPT if $env{'form.catalogmode'} eq 'groupsearch';
<script type="text/javascript">	<script type="text/javascript">
function queue(checkbox_num,val) {	function queue(checkbox_num,val) {
if (document.forms.results.returnvalues.length != "undefined" &&	if (document.forms.results.returnvalues.length != "undefined" &&
Line 3090 SCRIPT	Line 3080 SCRIPT
}	}
function select_group() {	function select_group() {
parent.window.location=	parent.window.location=
"/adm/groupsort?mode=$ENV{'form.mode'}&catalogmode=groupsearch&acts="+	"/adm/groupsort?mode=$env{'form.mode'}&catalogmode=groupsearch&acts="+
parent.statusframe.document.forms.statusform.elements.Queue.value;	parent.statusframe.document.forms.statusform.elements.Queue.value;
}	}
</script>	</script>
SCRIPT	SCRIPT
$result.=<<END;
</head>	my $start_page = &Apache::loncommon::start_page(undef,$js,
$bodytag	{'only_body' =>1});
	my $result=<<END;
	$start_page
<form name="results" method="post" action="/adm/searchcat" >	<form name="results" method="post" action="/adm/searchcat" >
<input type="hidden" name="Queue" value="" />	<input type="hidden" name="Queue" value="" />
$importbutton	$importbutton
Line 3108 END	Line 3100 END
######################################################################	######################################################################
######################################################################	######################################################################
sub search_status_header {	sub search_status_header {
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);	my $start_page = &Apache::loncommon::start_page('Search Status',undef,
my $html=&Apache::lonxml::xmlbegin();	{'only_body' => 1});
return <<ENDSTATUS;	return <<ENDSTATUS;
$html	$start_page
<head>
<title>Search Status</title></head>
$bodytag
<h3>Search Status</h3>	<h3>Search Status</h3>
Sending search request to LON-CAPA servers.<br />	Sending search request to LON-CAPA servers.<br />
ENDSTATUS	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 3132 sub results_link {	Line 3121 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 3217 extra custom metadata to show.	Line 3212 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="search_preview">'.$values{'title'}."</a></b>\n";
$result .= "<p>\n";	$result .= "<p>\n";
$result .= '<b>'.$values{'author'}.'</b>,'.	$result .= '<b>'.$values{'author'}.'</b>,'.
Line 3288 sub detailed_citation_view {	Line 3285 sub detailed_citation_view {
foreach my $item (split(',',$values{$field->{'name'}})){	foreach my $item (split(',',$values{$field->{'name'}})){
$result .= '<li>'.	$result .= '<li>'.
'<a target="search_preview" '.	'<a target="search_preview" '.
'href="/res/'.$item.'">'.$item.'</a></li>';	'href="'.$jumpurl.'">'.$item.'</a></li>';
}	}
$result .= '</ul>';	$result .= '</ul>';
} elsif (exists($field->{'format'}) && $field->{'format'} ne ''){	} elsif (exists($field->{'format'}) && $field->{'format'} ne ''){
Line 3299 sub detailed_citation_view {	Line 3296 sub detailed_citation_view {
if ($field->{'special'} eq 'url link') {	if ($field->{'special'} eq 'url link') {
$result.=	$result.=
&mt($field->{'translate'},	&mt($field->{'translate'},
'<a href="'.$values{'url'}.'" '.	'<a href="'.$jumpurl.'" '.
'target="search_preview">'.	'target="search_preview">'.
$values{$field->{'name'}}.	$values{$field->{'name'}}.
'</a>');	'</a>');
Line 3321 sub detailed_citation_view {	Line 3318 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 3334 sub detailed_citation_view {	Line 3341 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\:\/\//;

	$result.=<<END;
	<a href="$jumpurl"
	target='search_preview'>$values{'title'}</a><br />
	$values{'author'}, $values{'owner'} -- $values{'lastrevisiondate'}<br />
$values{'copyrighttag'}<br />	$values{'copyrighttag'}<br />
$values{'extrashow'}	$values{'extrashow'}
</p>	</p>
Line 3348 END	Line 3369 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 3361 END	Line 3391 END
######################################################################	######################################################################
sub compact_view {	sub compact_view {
my ($prefix,%values) = @_;	my ($prefix,%values) = @_;
	my $jumpurl=$values{'url'};
	$jumpurl=~s/^\/ext\//http\:\/\//;

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'}) &&
	$env{'form.sortfield'} !~ /^(default\|author\|url\|title)$/) {
	my $tmp = $values{$env{'form.sortfield'}};
	if (! defined($tmp)) { $tmp = 'undefined'; }
	$result .= ' '.$tmp.' ';
	}
	$result.=' <a href="'.$jumpurl.'" target="search_preview">'.
$values{'title'}.'</a>'.(' 'x2).	$values{'title'}.'</a>'.(' 'x2).
'<b>'.$values{'author'}.'</b><br />';	'<b>'.$values{'author'}.'</b> ('.$values{'domain'}.')<br />';
return $result;	return $result;
}	}

Line 3385 sub fielded_format_view {	Line 3424 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='search_preview'>$values{'url'}</a></dd>
END	END
foreach my $field ('title','author','domain','subject','keywords','notes',	foreach my $field ('title','author','domain','subject','keywords','notes',
Line 3526 sub output_unparsed_phrase_error {	Line 3568 sub output_unparsed_phrase_error {
my ($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 3550 $closebutton	Line 3588 $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 3579 $parms is extra information to include i	Line 3616 $parms is extra information to include i
######################################################################	######################################################################
sub output_blank_field_error {	sub output_blank_field_error {
my ($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 3599 $closebutton	Line 3632 $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>	$end_page
</html>
ENDPAGE	ENDPAGE
return;	return;
}	}
Line 3629 Inputs:	Line 3661 Inputs:
sub output_date_error {	sub output_date_error {
my ($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 3649 $closebutton	Line 3675 $closebutton
<p>	<p>
$message	$message
</p>	</p>
</body>	$end_page
</html>
RESULTS	RESULTS
}	}

Line 3690 sub cleanup {	Line 3715 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.1.239
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	Added in v.1.262