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Diff for /loncom/interface/lonsearchcat.pm between versions 1.155 and 1.199

version 1.155, 2002/08/26 14:34:19	version 1.199, 2003/12/28 20:12:59
Line 59 search (on a server basis) is displayed	Line 59 search (on a server basis) is displayed
###############################################################################	###############################################################################
###############################################################################	###############################################################################

###############################################################################
## ##
## ORGANIZATION OF THIS PERL MODULE ##
## ##
## 1. Modules used by this module ##
## 2. Variables used throughout the module ##
## 3. handler subroutine called via Apache and mod_perl ##
## 4. Other subroutines ##
## ##
###############################################################################

package Apache::lonsearchcat;	package Apache::lonsearchcat;

# ------------------------------------------------- modules used by this module
use strict;	use strict;
use Apache::Constants qw(:common);	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;
use DBI;
use GDBM_File;	use GDBM_File;
use Apache::loncommon();	use Apache::loncommon();
use Apache::lonmysql();	use Apache::lonmysql();
	use Apache::lonlocal;
# ---------------------------------------- variables used throughout the module

######################################################################	######################################################################
######################################################################	######################################################################
	##
=pod	## Global variables
	##
=item Global variables

=over 4

=item $importbutton

button to take the select results and go to group sorting

=item %groupsearch_db

Database hash used to save values for the groupsearch RAT interface.

=item $diropendb

The full path to the (temporary) search database file. This is set and
used in &handler() and is also used in &output_results().

=item %Views

Hash which associates an output view description with the function
that produces it. Adding a new view type should be as easy as
adding a line to the definition of this hash and making sure the function
takes the proper parameters.

=item $bodytag

LON-CAPA standard body tag, gotten from &Apache::lonnet::bodytag.
No title, no table, just a <body> tag.

=back

=cut

######################################################################	######################################################################
######################################################################	######################################################################
	my %groupsearch_db; # Database hash used to save values for the
# -- dynamically rendered interface components	# groupsearch RAT interface.
my $importbutton; # button to take the selected results and go to group sorting	my %persistent_db; # gdbm hash which holds data which is supposed to
	# persist across calls to lonsearchcat.pm
# -- miscellaneous variables	## %Views:
my %groupsearch_db; # database hash	## Hash which associates an output view description with the function
my $diropendb = ""; # db file	## that produces it.
# View Description Function Pointer	# View Description/Name Function Pointer
my %Views = ("Detailed Citation View" => \&detailed_citation_view,	my %Views = ("Detailed Citation View" => \&detailed_citation_view,
"Summary View" => \&summary_view,	"Summary View" => \&summary_view,
"Fielded Format" => \&fielded_format_view,	"Fielded Format" => \&fielded_format_view,
"XML/SGML" => \&xml_sgml_view,	"XML/SGML" => \&xml_sgml_view,
"Compact View" => \&compact_view);	"Compact View" => \&compact_view);
my %persistent_db;
my $hidden_fields;
my $bodytag;

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

=pod

=item &handler() - main handler invoked by httpd child

=item Variables

=over 4

=item $hidden

holds 'hidden' html forms

=item $scrout

string that holds portions of the screen output

=back

=cut

######################################################################	######################################################################
######################################################################	######################################################################
sub handler {	sub handler {
my $r = shift;	my $r = shift;
	# &set_defaults();
#	#
	# set form defaults
	#
	my $hidden_fields;# Hold all the hidden fields used to keep track
	# of the search system state
	my $importbutton; # button to take the selected results and go to group
	# sorting
	my $diropendb; # The full path to the (temporary) search database file.
	# This is set and used in &handler() and is also used in
	# &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);
	if ($loaderror) { return $loaderror; }

my $closebutton; # button that closes the search window	my $closebutton; # button that closes the search window
# This button is different for the RAT compared to	# This button is different for the RAT compared to
# normal invocation.	# normal invocation.
#	#
$r->content_type('text/html');	&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;	$r->send_http_header;
return OK if $r->header_only;	return OK if $r->header_only;
	##
	## Prevent caching of the search interface window. Hopefully this means
	## we will get the launch=1 passed in a little more.
	&Apache::loncommon::no_cache($r);
##	##
## Pick up form fields passed in the links.	## Pick up form fields passed in the links.
##	##
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['catalogmode','launch','acts','mode','form','element','pause',	['catalogmode','launch','acts','mode','form','element','pause',
'phase','persistent_db_id','table','start','show']);	'phase','persistent_db_id','table','start','show',
	'cleargroupsort','titleelement']);
##	##
## The following is a trick - we wait a few seconds if asked to so	## The following is a trick - we wait a few seconds if asked to so
## the daemon running the search can get ahead of the daemon	## the daemon running the search can get ahead of the daemon
Line 191 sub handler {	Line 141 sub handler {
## 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(3);	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');
$diropendb= "/home/httpd/perl/tmp/".&Apache::lonnet::escape($domain).	$diropendb= "/home/httpd/perl/tmp/$ENV{'user.domain'}_$ENV{'user.name'}_searchcat.db";
"\_".&Apache::lonnet::escape($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.	# $ENV{'form.persistent_db_id'} can only have digits in it.
Line 234 END	Line 183 END
## Clear out old values from groupsearch database	## Clear out old values from groupsearch database
##	##
untie %groupsearch_db if (tied(%groupsearch_db));	untie %groupsearch_db if (tied(%groupsearch_db));
if ($ENV{'form.launch'} eq '1' &&	if (($ENV{'form.cleargroupsort'} eq '1') \|\|
($ENV{'form.catalogmode'} eq 'groupsearch') &&	(($ENV{'form.launch'} eq '1') &&
($ENV{'form.phase'} eq 'results')) {	($ENV{'form.catalogmode'} eq 'groupsearch'))) {
if (tie(%groupsearch_db,'GDBM_File',$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'});
} 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.
Line 265 END	Line 215 END
$hidden_fields .= '<input type="hidden" name="element" value="'.	$hidden_fields .= '<input type="hidden" name="element" value="'.
$ENV{'form.element'}.'" />'."\n";	$ENV{'form.element'}.'" />'."\n";
}	}
	if (exists($ENV{'form.titleelement'})) {
	$hidden_fields .= '<input type="hidden" name="titleelement" value="'.
	$ENV{'form.titleelement'}.'" />'."\n";
	}
if (exists($ENV{'form.mode'})) {	if (exists($ENV{'form.mode'})) {
$hidden_fields .= '<input type="hidden" name="mode" value="'.	$hidden_fields .= '<input type="hidden" name="mode" value="'.
$ENV{'form.mode'}.'" />'."\n";	$ENV{'form.mode'}.'" />'."\n";
Line 313 END	Line 267 END
## Switch on the phase	## Switch on the phase
##	##
if ($ENV{'form.phase'} eq 'disp_basic') {	if ($ENV{'form.phase'} eq 'disp_basic') {
&print_basic_search_form($r,$closebutton);	&print_basic_search_form($r,$closebutton,$hidden_fields);
} elsif ($ENV{'form.phase'} eq 'disp_adv') {	} elsif ($ENV{'form.phase'} eq 'disp_adv') {
&print_advanced_search_form($r,$closebutton);	&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);	&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,
Line 329 END	Line 283 END
&run_search($r,$query,$customquery,$customshow,	&run_search($r,$query,$customquery,$customshow,
$libraries,$pretty_string);	$libraries,$pretty_string);
}	}
	} elsif ($ENV{'form.phase'} eq 'course_search') {
	&course_search($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')) {
$ENV{'form.searchmode'} = 'basic';	$ENV{'form.searchmode'} = 'basic';
Line 337 END	Line 293 END
}	}
# Set up table	# Set up table
if (! defined(&create_results_table())) {	if (! defined(&create_results_table())) {
	my $errorstring=&Apache::lonmysql::get_error();
$r->print(<<END);	$r->print(<<END);
<html><head><title>Search Error</title></head>	<html><head><title>Search Error</title></head>
$bodytag	$bodytag
Unable to create table in which to store search results.	Unable to create table in which to store search results.
The search has been aborted.	The search has been aborted.
	<br />$errorstring
</body>	</body>
</html>	</html>
END	END
Line 364 END	Line 322 END
(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,$pretty_string) = &parse_basic_search($r,$closebutton);	($query,$pretty_string,$libraries) =
	&parse_basic_search($r,$closebutton,$hidden_fields);
} else { # Advanced search	} else { # Advanced search
($query,$customquery,$customshow,$libraries,$pretty_string)	($query,$customquery,$customshow,$libraries,$pretty_string)
= &parse_advanced_search($r,$closebutton);	= &parse_advanced_search($r,$closebutton,$hidden_fields);
return OK if (! defined($query));	return OK if (! defined($query));
}	}
&make_persistent({ query => $query,	&make_persistent({ query => $query,
Line 386 END	Line 345 END

######################################################################	######################################################################
######################################################################	######################################################################
	##
	## Course Search
	##
	######################################################################
	######################################################################
	{ # Scope the course search to avoid global variables
	#
	# Variables For course search
	my %alreadyseen;
	my %hash;
	my $totalfound;

	sub course_search {
	my $r=shift;
	my $bodytag=&Apache::loncommon::bodytag('Course Search');
	my $pretty_search_string = '<b>'.$ENV{'form.courseexp'}.'</b>';
	my $search_string = $ENV{'form.courseexp'};
	my @New_Words;
	if ($ENV{'form.crsrelated'}) {
	($search_string,@New_Words) = &related_version($ENV{'form.courseexp'});
	if (@New_Words) {
	$pretty_search_string .= " with related words: <b>@New_Words</b>.";
	} else {
	$pretty_search_string .= " with no related words.";
	}
	}
	my $fulltext=$ENV{'form.crsfulltext'};
	my @allwords=($search_string,@New_Words);
	$totalfound=0;
	$r->print('<html><head><title>LON-CAPA Course Search</title></head>'.
	$bodytag.$pretty_search_string);
	$r->rflush();
	# ======================================================= Go through the course
	undef %alreadyseen;
	%alreadyseen=();
	my $c=$r->connection;
	if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db",
	&GDBM_READER(),0640)) {
	foreach (keys %hash) {
	if ($c->aborted()) { last; }
	if (($_=~/^src\_(.+)$/) && (!$alreadyseen{$hash{$_}})) {
	&checkonthis($r,$hash{$_},0,$hash{'title_'.$1},$fulltext,
	@allwords);
	}
	}
	untie(%hash);
	}
	unless ($totalfound) {
	$r->print('<p>'.&mt('No resources found').'.</p>');
	}
	# =================================================== Done going through course
	$r->print('</body></html>');
	}

	# =============================== This pulls up a resource and its dependencies

	sub checkonthis {
	my ($r,$url,$level,$title,$fulltext,@allwords)=@_;
	$alreadyseen{$url}=1;
	$r->rflush();
	my $result=&Apache::lonnet::metadata($url,'title').' '.
	&Apache::lonnet::metadata($url,'subject').' '.
	&Apache::lonnet::metadata($url,'abstract').' '.
	&Apache::lonnet::metadata($url,'keywords');
	if (($url) && ($fulltext)) {
	$result.=&Apache::lonnet::ssi_body($url);
	}
	$result=~s/\s+/ /gs;
	my $applies=0;
	foreach (@allwords) {
	if ($_=~/\w/) {
	if ($result=~/$_/si) {
	$applies++;
	}
	}
	}
	# Does this resource apply?
	if ($applies) {
	$r->print('<br />');
	for (my $i=0;$i<=$level*5;$i++) {
	$r->print(' ');
	}
	$r->print('<a href="'.$url.'" target="cat">'.
	($title?$title:$url).'</a><br />');
	$totalfound++;
	} elsif ($fulltext) {
	$r->print(' .');
	}
	$r->rflush();
	# Check also the dependencies of this one
	my $dependencies=
	&Apache::lonnet::metadata($url,'dependencies');
	foreach (split(/\,/,$dependencies)) {
	if (($_=~/^\/res\//) && (!$alreadyseen{$_})) {
	&checkonthis($r,$_,$level+1,'',$fulltext,@allwords);
	}
	}
	}

	sub untiehash {
	if (tied(%hash)) {
	untie(%hash);
	}
	}

	} # End of course search scoping

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

=pod	=pod

Line 399 Returns a scalar which holds html for th	Line 467 Returns a scalar which holds html for th
######################################################################	######################################################################

sub print_basic_search_form{	sub print_basic_search_form{
my ($r,$closebutton) = @_;	my ($r,$closebutton,$hidden_fields) = @_;
my $bodytag=&Apache::loncommon::bodytag('Catalog Search');	my $bodytag=&Apache::loncommon::bodytag('Search');
my $scrout=<<"ENDDOCUMENT";	my $scrout=<<"ENDDOCUMENT";
<html>	<html>
<head>	<head>
Line 414 sub print_basic_search_form{	Line 482 sub print_basic_search_form{
</script>	</script>
</head>	</head>
$bodytag	$bodytag
<form method="post" action="/adm/searchcat">	ENDDOCUMENT
	if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) {
	my $CatalogSearch=&mt('Catalog Search');
	my $Statement=&mt('Enter terms or phrases separated by AND, OR, or NOT then press SEARCH below');
	$scrout.=(<<ENDDOCUMENT);
	<h1>$CatalogSearch</h1>
	<form name="loncapa_search" method="post" action="/adm/searchcat">
<input type="hidden" name="phase" value="basic_search" />	<input type="hidden" name="phase" value="basic_search" />
$hidden_fields	$hidden_fields
<p>	<p>
Enter terms or phrases separated by AND, OR, or NOT	$Statement.
then press SEARCH below.
</p>	</p>
<p>	<p>
<table>	<table>
Line 427 then press SEARCH below.	Line 500 then press SEARCH below.
ENDDOCUMENT	ENDDOCUMENT
$scrout.=' '.&simpletextfield('basicexp',$ENV{'form.basicexp'},40).	$scrout.=' '.&simpletextfield('basicexp',$ENV{'form.basicexp'},40).
' ';	' ';
my $checkbox = &simplecheckbox('related',$ENV{'form.related'});	my $relatedcheckbox = &simplecheckbox('related','related',$ENV{'form.related'});
	my $domain = $r->dir_config('lonDefDomain');
	my $domaincheckbox = &simplecheckbox('domains',$domain);
	my $srch=&mt('Search');
	my $header=&mt('Advanced Search');
	my $userelatedwords=&mt('use related words');
	my $onlysearchdomain=&mt('only search domain');
$scrout.=<<END;	$scrout.=<<END;
</td><td><a href="/adm/searchcat?phase=disp_adv">Advanced Search</a></td></tr>	</td><td><a
<tr><td>$checkbox use related words</td><td></td></tr>	href="/adm/searchcat?phase=disp_adv&catalogmode=$ENV{'form.catalogmode'}&launch=$ENV{'form.launch'}&mode=$ENV{'form.mode'}"
	>$header</a></td></tr>
	<tr><td>$relatedcheckbox $userelatedwords</td>
	<td>$domaincheckbox $onlysearchdomain <b>$domain</b></td></tr>
</table>	</table>
</p>	</p>
<p>	<p>
<input type="submit" name="basicsubmit" value='SEARCH' />	<input type="submit" name="basicsubmit" value='$srch' />
$closebutton	$closebutton
END	END
$scrout.=&selectbox(undef,'viewselect',	$scrout.=&selectbox('View','viewselect',
$ENV{'form.viewselect'},	$ENV{'form.viewselect'},
undef,undef,undef,	undef,undef,undef,
sort(keys(%Views)));	sort(keys(%Views)));
$scrout.=&selectbox(undef,'show',	$scrout.=&selectbox('Per Page','show',
$ENV{'form.show'},	$ENV{'form.show'},
undef,undef,undef,	undef,undef,undef,
(10,20,50,100));	(10,20,50,100));
$scrout.=<<ENDDOCUMENT;	$scrout.=<<ENDDOCUMENT;
per page.
</p>	</p>
</form>	</form>
	ENDDOCUMENT
	}
	if ($ENV{'request.course.id'}) {
	my %lt=&Apache::lonlocal::texthash(
	'srch' => 'Search',
	'header' => 'Course Search',
	'note' => 'Enter terms or phrases, then press "Search" below',
	);
	$scrout.=(<<ENDCOURSESEARCH);
	<hr />
	<h1>$lt{'header'}</h1>
	<form name="course_search" method="post" action="/adm/searchcat">
	<input type="hidden" name="phase" value="course_search" />
	$hidden_fields
	<p>
	$lt{'note'}.
	</p>
	<p>
	<table>
	<tr><td>
	ENDCOURSESEARCH
	$scrout.=' '.
	&simpletextfield('courseexp',$ENV{'form.courseexp'},40);
	my $crscheckbox =
	&simplecheckbox('crsfulltext',$ENV{'form.crsfulltext'});
	my $relcheckbox =
	&simplecheckbox('crsrelated',$ENV{'form.crsrelated'});
	$scrout.=(<<ENDENDCOURSE);
	</td></tr>
	<tr><td>$relcheckbox use related words</td><td></td></tr>
	<tr><td>$crscheckbox fulltext search (time consuming)</td><td></td></tr>
	</table><p>
	<input type="submit" name="coursesubmit" value='$lt{'srch'}' />
	</p>
	ENDENDCOURSE
	}
	$scrout.=(<<ENDDOCUMENT);
</body>	</body>
</html>	</html>
ENDDOCUMENT	ENDDOCUMENT
Line 470 Returns a scalar which holds html for th	Line 588 Returns a scalar which holds html for th
######################################################################	######################################################################

sub print_advanced_search_form{	sub print_advanced_search_form{
my ($r,$closebutton) = @_;	my ($r,$closebutton,$hidden_fields) = @_;
my $advanced_buttons = <<"END";	my $advanced_buttons = <<"END";
<p>	<p>
<input type="submit" name="advancedsubmit" value='SEARCH' />	<input type="submit" name="advancedsubmit" value='SEARCH' />
Line 516 ENDHEADER	Line 634 ENDHEADER
undef,undef,undef,	undef,undef,undef,
(10,20,50,100));	(10,20,50,100));
$scrout.=' '.	$scrout.=' '.
'<font color="#800000" face="helvetica">Per Page</font>';	'<font color="#800000" face="helvetica">'.&mt('Per Page').'</font>';
$scrout.="</td><td>Related<br />Words</td></tr>\n";	$scrout.="</td><td>".&mt('Related').'<br />'.&mt('Words')."</td></tr>\n";
$scrout.=&searchphrasefield_with_related('title', 'title' ,	$scrout.=&searchphrasefield_with_related('title', 'title' ,
$ENV{'form.title'});	$ENV{'form.title'});
$scrout.=&searchphrasefield('author', 'author' ,$ENV{'form.author'});	$scrout.=&searchphrasefield('author', 'author' ,$ENV{'form.author'});
Line 530 ENDHEADER	Line 648 ENDHEADER
$ENV{'form.notes'});	$ENV{'form.notes'});
$scrout.=&searchphrasefield_with_related('abstract','abstract',	$scrout.=&searchphrasefield_with_related('abstract','abstract',
$ENV{'form.abstract'});	$ENV{'form.abstract'});
	$scrout.=&searchphrasefield('Standards','standards',$ENV{'form.standards'});
# Hack - an empty table row.	# Hack - an empty table row.
$scrout.="<tr><td> </td><td> </td><td> </td></tr>\n";	$scrout.="<tr><td> </td><td> </td><td> </td></tr>\n";
$scrout.=&searchphrasefield('file<br />extension','mime',	$scrout.=&searchphrasefield('file<br />extension','extension',
$ENV{'form.mime'});	$ENV{'form.extension'});
$scrout.="<tr><td> </td><td> </td><td> </td></tr>\n";	$scrout.="<tr><td> </td><td> </td><td> </td></tr>\n";
$scrout.=&searchphrasefield('publisher<br />owner','owner',	$scrout.=&searchphrasefield('publisher<br />owner','owner',
$ENV{'form.owner'});	$ENV{'form.owner'});
$scrout.="</table>\n";	$scrout.="</table>\n";
$ENV{'form.category'}='any' unless length($ENV{'form.category'});	$ENV{'form.category'}='any' if (! defined($ENV{'form.category'}));
$scrout.=&selectbox('File Category','category',	$scrout.=&selectbox('File Category','category',
$ENV{'form.category'},	$ENV{'form.category'},
'any','Any category',	'any','Any category',
Line 559 ENDHEADER	Line 678 ENDHEADER
my @domains =&Apache::loncommon::get_domains();	my @domains =&Apache::loncommon::get_domains();
# adjust the size of the select box	# adjust the size of the select box
my $size = 4;	my $size = 4;
my $size = (scalar @domains < ($size - 1) ? scalar @domains + 1 : $size);	$size = (scalar @domains < ($size - 1) ? scalar @domains + 1 : $size);
$scrout.="\n".'<font color="#800000" face="helvetica"><b>'.	$scrout.="\n".'<font color="#800000" face="helvetica"><b>'.
'DOMAINS</b></font><br />'.	'DOMAINS TO BE SEARCHED</b></font><br />'.
'<select name="domains" size="'.$size.'" multiple>'."\n".	'<select name="domains" size="'.$size.'" multiple>'."\n".
'<option name="any" value="any" '.	'<option name="any" value="any" '.
($domain_hash{'any'}? 'selected ' :'').	($domain_hash{'any'}? 'selected ' :'').
Line 574 ENDHEADER	Line 693 ENDHEADER
#----------------------------------------------------------------	#----------------------------------------------------------------
$scrout.=&selectbox('Limit by language','language',	$scrout.=&selectbox('Limit by language','language',
$ENV{'form.language'},'any','Any Language',	$ENV{'form.language'},'any','Any Language',
\&{Apache::loncommon::languagedescription},	\&Apache::loncommon::languagedescription,
(&Apache::loncommon::languageids),	(&Apache::loncommon::languageids),
);	);
# ------------------------------------------------ Compute date selection boxes	# ------------------------------------------------ Compute date selection boxes
Line 621 LASTREVISIONDATEEND	Line 740 LASTREVISIONDATEEND
$scrout.=&selectbox('Limit by copyright/distribution','copyright',	$scrout.=&selectbox('Limit by copyright/distribution','copyright',
$ENV{'form.copyright'},	$ENV{'form.copyright'},
'any','Any copyright/distribution',	'any','Any copyright/distribution',
\&{Apache::loncommon::copyrightdescription},	\&Apache::loncommon::copyrightdescription,
(&Apache::loncommon::copyrightids),	(&Apache::loncommon::copyrightids),
);	);
# ------------------------------------------- Compute customized metadata field	# ------------------------------------------- Compute customized metadata field
Line 682 sub get_persistent_form_data {	Line 801 sub get_persistent_form_data {
&GDBM_READER(),0640));	&GDBM_READER(),0640));
#	#
# These make sure we do not get array references printed out as 'values'.	# These make sure we do not get array references printed out as 'values'.
my %arrays_allowed = ('form.category'=>1,'form.domains'=>1);	my %arrays_allowed = ('form.domains'=>1);
#	#
# Loop through the keys, looking for 'form.'	# Loop through the keys, looking for 'form.'
foreach my $name (keys(%persistent_db)) {	foreach my $name (keys(%persistent_db)) {
next if ($name !~ /^form./);	next if ($name !~ /^form./);
	# Kludgification begins!
	if ($name eq 'form.domains' &&
	$ENV{'form.searchmode'} eq 'basic' &&
	$ENV{'form.phase'} ne 'disp_basic') {
	next;
	}
	# End kludge (hopefully)
next if (exists($ENV{$name}));	next if (exists($ENV{$name}));
my @values = map {	my @values = map {
&Apache::lonnet::unescape($_);	&Apache::lonnet::unescape($_);
Line 701 sub get_persistent_form_data {	Line 827 sub get_persistent_form_data {
untie (%persistent_db);	untie (%persistent_db);
return 1;	return 1;
}	}

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

Line 849 sub simpletextfield {	Line 976 sub simpletextfield {

=item &simplecheckbox()	=item &simplecheckbox()

Inputs: $name,$value	Inputs: $name,$value,$checked

Returns a simple check box with the given $name.	Returns a simple check box with the given $name.
If $value eq 'on' the box is checked.	If $value eq 'on' the box is checked.
Line 859 If $value eq 'on' the box is checked.	Line 986 If $value eq 'on' the box is checked.
###############################################	###############################################
###############################################	###############################################

sub simplecheckbox {	sub simplecheckbox{
my ($name,$value)=@_;	my ($name,$value,$checked)=@_;
my $checked='';	$checked="checked" if ($value eq $checked \|\| $value eq 'on');
$checked="checked" if $value eq 'on';	return '<input type="checkbox" name="'.$name.'" value="'.$value.'" '.
return '<input type="checkbox" name="'.$name.'" '. $checked . ' />';	$checked.' />';
}	}

###############################################	###############################################
Line 884 field heading.	Line 1011 field heading.
###############################################	###############################################

sub fieldtitle {	sub fieldtitle {
my $title = uc(shift());	my $title = uc(&mt(shift()));
return '<font color="#800000" face="helvetica"><b>'.$title.	return '<font color="#800000" face="helvetica"><b>'.$title.
': </b></font>';	': </b></font>';
}	}
Line 979 END	Line 1106 END
my $i = 1;	my $i = 1;
foreach (qw/January February March April May June	foreach (qw/January February March April May June
July August September October November December /){	July August September October November December /){
$month .="<option value=\"$i\">$_</option>\n";	$month .="<option value=\"$i\">".&mt($_)."</option>\n";
$i++;	$i++;
}	}
$month.="</select>\n";	$month.="</select>\n";
Line 1056 sub selectbox {	Line 1183 sub selectbox {
my ($title,$name,$default,$anyvalue,$anytag,$functionref,@idlist)=@_;	my ($title,$name,$default,$anyvalue,$anytag,$functionref,@idlist)=@_;
if (! defined($functionref)) { $functionref = sub { $_[0]}; }	if (! defined($functionref)) { $functionref = sub { $_[0]}; }
my $selout='';	my $selout='';
	$title=&mt($title);
if (defined($title)) {	if (defined($title)) {
my $uctitle=uc($title);	my $uctitle=uc($title);
$selout="\n".'<p><font color="#800000" face="helvetica">'.	$selout="\n".'<p><font color="#800000" face="helvetica">'.
Line 1066 sub selectbox {	Line 1194 sub selectbox {
foreach (@idlist) {	foreach (@idlist) {
$selout.='<option value="'.$_.'"';	$selout.='<option value="'.$_.'"';
if ($_ eq $default and !/^any$/) {	if ($_ eq $default and !/^any$/) {
$selout.=' selected >'.&{$functionref}($_).'</option>';	$selout.=' selected >'.&mt(&{$functionref}($_)).'</option>';
}	}
elsif ($_ eq $default and /^$anyvalue$/) {	elsif ($_ eq $default and /^$anyvalue$/) {
$selout.=' selected >'.$anytag.'</option>';	$selout.=' selected >'.&mt($anytag).'</option>';
}	}
else {$selout.='>'.&{$functionref}($_).'</option>';}	else {$selout.='>'.&mt(&{$functionref}($_)).'</option>';}
}	}
return $selout.'</select>'.(defined($title)?'</p>':' ');	return $selout.'</select>'.(defined($title)?'</p>':' ');
}	}
Line 1113 Parse advanced search form and return th	Line 1241 Parse advanced search form and return th
######################################################################	######################################################################
######################################################################	######################################################################
sub parse_advanced_search {	sub parse_advanced_search {
my ($r,$closebutton)=@_;	my ($r,$closebutton,$hidden_fields)=@_;
my $fillflag=0;	my $fillflag=0;
my $pretty_search_string = "<br />\n";	my $pretty_search_string = "<br />\n";
# Clean up fields for safety	# Clean up fields for safety
Line 1124 sub parse_advanced_search {	Line 1252 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',
'notes','abstract','mime','language','owner',	'notes','abstract','extension','language','owner',
'custommetadata','customshow','category') {	'custommetadata','customshow','category') {
$ENV{"form.$field"}=~s/[^\w\/\s\=\-\"\']//g;	$ENV{"form.$field"}=~s/[^\w\/\s\=\-\"\']//g;
}	}
Line 1135 sub parse_advanced_search {	Line 1263 sub parse_advanced_search {
$ENV{"form.$_"}=~s/[^\w\/\s\=\-\"\']//g;	$ENV{"form.$_"}=~s/[^\w\/\s\=\-\"\']//g;
}	}
# Preprocess the category form element.	# Preprocess the category form element.
$ENV{'form.category'} = 'any' if (ref($ENV{'form.category'}));	$ENV{'form.category'} = 'any' if (! defined($ENV{'form.category'}) \|\|
if ($ENV{'form.category'} ne 'any') {	ref($ENV{'form.category'}));
my @extensions = &Apache::loncommon::filecategorytypes	#
($ENV{'form.category'});
$ENV{'form.mime'} = join ' OR ',@extensions;
}
# Check to see if enough information was filled in	# Check to see if enough information was filled in
for my $field ('title','author','subject','keywords','url','version',	for my $field ('title','author','subject','keywords','url','version',
'notes','abstract','mime','language','owner',	'notes','abstract','category','extension','language',
'custommetadata') {	'owner','custommetadata') {
if (&filled($ENV{"form.$field"})) {	if (&filled($ENV{"form.$field"})) {
$fillflag++;	$fillflag++;
}	}
}	}
unless ($fillflag) {	unless ($fillflag) {
&output_blank_field_error($r,$closebutton,'phase=disp_adv');	&output_blank_field_error($r,$closebutton,'phase=disp_adv',$hidden_fields);
return ;	return ;
}	}
# Turn the form input into a SQL-based query	# Turn the form input into a SQL-based query
Line 1159 sub parse_advanced_search {	Line 1284 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 ('title','author','subject','notes','abstract','url',	foreach my $field ('title','author','subject','notes','abstract','url',
'keywords','version','owner','mime') {	'keywords','version','owner') {
if ($ENV{'form.'.$field}) {	if ($ENV{'form.'.$field}) {
my $searchphrase = $ENV{'form.'.$field};	my $searchphrase = $ENV{'form.'.$field};
$pretty_search_string .= $font."$field</font> contains <b>".	$pretty_search_string .= $font."$field</font> contains <b>".
Line 1178 sub parse_advanced_search {	Line 1303 sub parse_advanced_search {
push @queries,&build_SQL_query($field,$searchphrase);	push @queries,&build_SQL_query($field,$searchphrase);
}	}
}	}
# I dislike the hack below.	#
if ($ENV{'form.category'}) {	# Make the 'mime' from 'form.category' and 'form.extension'
$ENV{'form.mime'}='';	#
	my $searchphrase;
	if (exists($ENV{'form.category'}) &&
	$ENV{'form.category'} !~ /^\s*$/ &&
	$ENV{'form.category'} ne 'any') {
	my @extensions = &Apache::loncommon::filecategorytypes
	($ENV{'form.category'});
	if (scalar(@extensions) > 0) {
	$searchphrase = join(' OR ',@extensions);
	}
	}
	if (exists($ENV{'form.extension'}) && $ENV{'form.extension'} !~ /^\s*$/) {
	$searchphrase .= ' OR ' if (defined($searchphrase));
	my @extensions = split(/,/,$ENV{'form.extension'});
	$searchphrase .= join(' OR ',@extensions);
	}
	if (defined($searchphrase)) {
	push @queries,&build_SQL_query('mime',$searchphrase);
	$pretty_search_string .=$font.'mime</font> contains <b>'.
	$searchphrase.'</b><br />';
}	}
	#####
# Evaluate option lists	# Evaluate option lists
if ($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 \"$ENV{'form.language'}\")";
Line 1213 sub parse_advanced_search {	Line 1358 sub parse_advanced_search {
);	);
# Test to see if date windows are legitimate	# Test to see if date windows are legitimate
if ($datequery=~/^Incorrect/) {	if ($datequery=~/^Incorrect/) {
&output_date_error($r,$datequery,$closebutton);	&output_date_error($r,$datequery,$closebutton,$hidden_fields);
return ;	return ;
} elsif ($datequery) {	} elsif ($datequery) {
# Here is where you would set up pretty_search_string to output	# Here is where you would set up pretty_search_string to output
Line 1240 sub parse_advanced_search {	Line 1385 sub parse_advanced_search {
## ---------------------------------------------------------------	## ---------------------------------------------------------------
## Deal with restrictions to given domains	## Deal with restrictions to given domains
##	##
	my ($libraries_to_query,$pretty_domains_string) =
	&parse_domain_restrictions();
	$pretty_search_string .= $pretty_domains_string."<br />\n";
	#
	if (@queries) {
	$query=join(" AND ",@queries);
	$query="select * from metadata where $query";
	} elsif ($customquery) {
	$query = '';
	}
	return ($query,$customquery,$customshow,$libraries_to_query,
	$pretty_search_string);
	}

	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.	# $ENV{'form.domains'} can be either a scalar or an array reference.
# We need an array.	# We need an array.
my @allowed_domains = (ref($ENV{'form.domains'}) ? @{$ENV{'form.domains'}}	if (! exists($ENV{'form.domains'})) {
: ($ENV{'form.domains'}) );	return (undef,'');
	}
	my @allowed_domains;
	if (ref($ENV{'form.domains'})) {
	@allowed_domains = @{$ENV{'form.domains'}};
	} else {
	@allowed_domains = ($ENV{'form.domains'});
	}
my %domain_hash = ();	my %domain_hash = ();
my $pretty_domains_string;	my $pretty_domains_string;
foreach (@allowed_domains) {	foreach (@allowed_domains) {
Line 1267 sub parse_advanced_search {	Line 1434 sub parse_advanced_search {
}	}
}	}
}	}
$pretty_search_string .= $pretty_domains_string."<br />\n";	return ($libraries_to_query,$pretty_domains_string);
#
if (@queries) {
$query=join(" AND ",@queries);
$query="select * from metadata where $query";
} elsif ($customquery) {
$query = '';
}
return ($query,$customquery,$customshow,$libraries_to_query,
$pretty_search_string);
}	}

######################################################################	######################################################################
Line 1304 sub parse_basic_search {	Line 1462 sub parse_basic_search {
$ENV{"form.$_"}=&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) =
	&parse_domain_restrictions();
# Check to see if enough is filled in	# Check to see if enough is filled in
unless (&filled($ENV{'form.basicexp'})) {	unless (&filled($ENV{'form.basicexp'})) {
&output_blank_field_error($r,$closebutton,'phase=disp_basic');	&output_blank_field_error($r,$closebutton,'phase=disp_basic');
Line 1323 sub parse_basic_search {	Line 1482 sub parse_basic_search {
}	}
# Build SQL query string based on form page	# Build SQL query string based on form page
my $query='';	my $query='';
my $concatarg=join('," ",',	my $concatarg=join(',',
('title', 'author', 'subject', 'notes', 'abstract',	('title', 'author', 'subject', 'notes', 'abstract',
'keywords'));	'keywords'));
$concatarg='title' if $ENV{'form.titleonly'};	$concatarg='title' if $ENV{'form.titleonly'};
$query=&build_SQL_query('concat('.$concatarg.')',$search_string);	$query=&build_SQL_query('concat_ws(" ",'.$concatarg.')',$search_string);
	if (defined($pretty_domains_string) && $pretty_domains_string ne '') {
	$pretty_search_string .= ' '.$pretty_domains_string;
	}
$pretty_search_string .= "<br />\n";	$pretty_search_string .= "<br />\n";
return 'select * from metadata where '.$query,$pretty_search_string;	my $final_query = 'SELECT * FROM metadata WHERE '.$query;
	# &Apache::lonnet::logthis($final_query);
	return ($final_query,$pretty_search_string,
	$libraries_to_query);
}	}


Line 1442 sub recursive_SQL_query_build {	Line 1607 sub recursive_SQL_query_build {
my @matches=($pattern=~/(\[[^\]\|\[]*\])/g);	my @matches=($pattern=~/(\[[^\]\|\[]*\])/g);
return $pattern unless @matches;	return $pattern unless @matches;
foreach my $match (@matches) {	foreach my $match (@matches) {
$match=~/\[ (\w+)\s(.*) \]/;	$match=~/\[ (\w+)\s(.*) \]/;
my ($key,$value)=($1,$2);	my ($key,$value)=($1,$2);
my $replacement='';	my $replacement='';
if ($key eq 'literal') {	if ($key eq 'literal') {
$replacement="($dkey like \"\%$value\%\")";	$replacement="($dkey LIKE \"\%$value\%\")";
}	} elsif (lc($key) eq 'not') {
elsif ($key eq 'not') {	$value=~s/LIKE/NOT LIKE/;
$value=~s/like/not like/;	# $replacement="($dkey not like $value)";
# $replacement="($dkey not like $value)";	$replacement="$value";
$replacement="$value";	} elsif ($key eq 'and') {
}	$value=~/(.[\"\|\)]) ([\|\(\|\^].)/;
elsif ($key eq 'and') {	$replacement="($1 AND $2)";
$value=~/(.[\"\|\)]) ([\|\(\|\^].)/;	} elsif ($key eq 'or') {
$replacement="($1 AND $2)";	$value=~/(.[\"\|\)]) ([\|\(\|\^].)/;
}	$replacement="($1 OR $2)";
elsif ($key eq 'or') {
$value=~/(.[\"\|\)]) ([\|\(\|\^].)/;
$replacement="($1 OR $2)";
}	}
substr($pattern,	substr($pattern,
index($pattern,$match),	index($pattern,$match),
length($match),	length($match),
$replacement	$replacement);
);
}	}
&recursive_SQL_query_build($dkey,$pattern);	&recursive_SQL_query_build($dkey,$pattern);
}	}
Line 1632 sub ensure_db_and_table {	Line 1793 sub ensure_db_and_table {
######################################################################	######################################################################
sub print_sort_form {	sub print_sort_form {
my ($r,$pretty_query_string) = @_;	my ($r,$pretty_query_string) = @_;
	my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
##	##
my %SortableFields =	my %SortableFields=&Apache::lonlocal::texthash(
(id => 'Default',	id => 'Default',
title => 'Title',	title => 'Title',
author => 'Author',	author => 'Author',
subject => 'Subject',	subject => 'Subject',
Line 1646 sub print_sort_form {	Line 1808 sub print_sort_form {
copyright => 'Copyright',	copyright => 'Copyright',
hostname => 'Host',	hostname => 'Host',
creationdate => 'Creation Date',	creationdate => 'Creation Date',
lastrevisiondate => 'Revision Date',	lastrevisiondate => 'Revision Date'
);	);
##	##
my $table = $ENV{'form.table'};	my $table = $ENV{'form.table'};
Line 1722 the following format:	Line 1884 the following format:

=cut	=cut

##	#####################################################################
## Restrictions:	#####################################################################
## columns of type 'text' and 'blob' cannot have defaults.
## columns of type 'enum' cannot be used for FULLTEXT.
##
my @DataOrder = qw/id title author subject url keywords version notes
abstract mime lang owner copyright creationdate lastrevisiondate hostname/;

my %Datatypes =	my @Datatypes =
( id =>{ type => 'MEDIUMINT',	( { name => 'id',
restrictions => 'UNSIGNED NOT NULL',	type => 'MEDIUMINT',
primary_key => 'yes',	restrictions => 'UNSIGNED NOT NULL',
auto_inc => 'yes'	primary_key => 'yes',
},	auto_inc => 'yes' },
title =>{ type=>'TEXT'},	{ name => 'title', type=>'TEXT'},
author =>{ type=>'TEXT'},	{ name => 'author', type=>'TEXT'},
subject =>{ type=>'TEXT'},	{ name => 'subject', type=>'TEXT'},
url =>{ type=>'TEXT',	{ name => 'url', type=>'TEXT', restrictions => 'NOT NULL' },
restrictions => 'NOT NULL' },	{ name => 'keywords', type=>'TEXT'},
keywords =>{ type=>'TEXT'},	{ name => 'version', type=>'TEXT'},
version =>{ type=>'TEXT'},	{ name => 'notes', type=>'TEXT'},
notes =>{ type=>'TEXT'},	{ name => 'abstract', type=>'TEXT'},
abstract =>{ type=>'TEXT'},	{ name => 'mime', type=>'TEXT'},
mime =>{ type=>'TEXT'},	{ name => 'language', type=>'TEXT'},
lang =>{ type=>'TEXT'},	{ name => 'owner', type=>'TEXT'},
owner =>{ type=>'TEXT'},	{ name => 'copyright', type=>'TEXT'},
copyright =>{ type=>'TEXT'},	{ name => 'dependencies', type=>'TEXT'},
hostname =>{ type=>'TEXT'},	{ name => 'modifyinguser', type=>'TEXT'},
	{ name => 'authorspace', type=>'TEXT'},
	{ name => 'lowestgradelevel', type=>'INT'},
	{ name => 'highestgradelevel', type=>'INT'},
	{ name => 'standards', type=>'TEXT'},
	{ name => 'count', type=>'INT'},
	{ name => 'course', type=>'INT'},
	{ name => 'course_list', type=>'TEXT'},
	{ name => 'goto', type=>'INT'},
	{ name => 'goto_list', type=>'TEXT'},
	{ name => 'comefrom', type=>'INT'},
	{ name => 'comefrom_list', type=>'TEXT'},
	{ name => 'sequsage', type=>'INT'},
	{ name => 'sequsage_list', type=>'TEXT'},
	{ name => 'stdno', type=>'INT'},
	{ name => 'stdno_list', type=>'TEXT'},
	{ name => 'avetries', type=>'FLOAT'},
	{ name => 'avetries_list', type=>'TEXT'},
	{ name => 'difficulty', type=>'FLOAT'},
	{ name => 'difficulty_list', type=>'TEXT'},
	{ name => 'clear', type=>'FLOAT'},
	{ name => 'technical', type=>'FLOAT'},
	{ name => 'correct', type=>'FLOAT'},
	{ name => 'helpful', type=>'FLOAT'},
	{ name => 'depth', type=>'FLOAT'},
	{ name => 'hostname', type=> 'TEXT'},
#--------------------------------------------------	#--------------------------------------------------
creationdate =>{ type=>'DATETIME'},	{ name => 'creationdate', type=>'DATETIME'},
lastrevisiondate =>{ type=>'DATETIME'},	{ name => 'lastrevisiondate', type=>'DATETIME'},
#--------------------------------------------------	#--------------------------------------------------
);	);

Line 1780 Returns: the identifier of the table on	Line 1962 Returns: the identifier of the table on
######################################################################	######################################################################
sub create_results_table {	sub create_results_table {
my $table = &Apache::lonmysql::create_table	my $table = &Apache::lonmysql::create_table
( { columns => \%Datatypes,	( { columns => \@Datatypes,
column_order => \@DataOrder,	FULLTEXT => [{'columns' => \@Fullindicies},],
fullindex => \@Fullindicies,
} );	} );
if (defined($table)) {	if (defined($table)) {
$ENV{'form.table'} = $table;	$ENV{'form.table'} = $table;
Line 1864 sub revise_button {	Line 2045 sub revise_button {
$revise_phase = 'disp_adv' if ($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='.$ENV{'form.persistent_db_id'}.
	'&cleargroupsort=1'.
'&phase='.$revise_phase;	'&phase='.$revise_phase;
my $result = qq{<input type="button" value="Revise search" name="revise"} .	my $result = qq{<input type="button" value="Revise search" name="revise"} .
qq{ onClick="parent.location='$newloc';" /> };	qq{ onClick="parent.location='$newloc';" /> };
Line 1883 sub revise_button {	Line 2065 sub revise_button {
######################################################################	######################################################################
sub run_search {	sub run_search {
my ($r,$query,$customquery,$customshow,$serverlist,$pretty_string) = @_;	my ($r,$query,$customquery,$customshow,$serverlist,$pretty_string) = @_;
	my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
my $connection = $r->connection;	my $connection = $r->connection;
#	#
# Timing variables	# Timing variables
Line 1906 END	Line 2089 END
if (@Lines > 2) {	if (@Lines > 2) {
$pretty_string = join '<br \>',(@Lines[0..2],'....<br />');	$pretty_string = join '<br \>',(@Lines[0..2],'....<br />');
}	}
$r->print("Search: ".$pretty_string);	$r->print(&mt("Search").": ".$pretty_string);
$r->rflush();	$r->rflush();
#	#
# Determine the servers we need to contact.	# Determine the servers we need to contact.
Line 1965 END	Line 2148 END
my $time_remaining = $max_time - (time - $starttime) ;	my $time_remaining = $max_time - (time - $starttime) ;
my $last_time = $time_remaining;	my $last_time = $time_remaining;
&update_seconds($r,$time_remaining);	&update_seconds($r,$time_remaining);
while (($time_remaining > 0) &&	&update_status($r,'contacting '.$Servers_to_contact[0]);
	while (($time_remaining > 0) &&
((@Servers_to_contact) \|\| keys(%Server_status))) {	((@Servers_to_contact) \|\| keys(%Server_status))) {
# Send out a search request if it needs to be done.	# Send out a search request if it needs to be done.
if (@Servers_to_contact) {	if (@Servers_to_contact) {
# Contact one server	# Contact one server
my $server = shift(@Servers_to_contact);	my $server = shift(@Servers_to_contact);
	&update_status($r,&mt('contacting').' '.$server);
my $reply=&Apache::lonnet::metadata_query($query,$customquery,	my $reply=&Apache::lonnet::metadata_query($query,$customquery,
$customshow,[$server]);	$customshow,[$server]);
($server) = keys(%$reply);	($server) = keys(%$reply);
$Server_status{$server} = $reply->{$server};	$Server_status{$server} = $reply->{$server};
&update_status($r,'contacting '.$server);
} else {	} else {
# wait a sec. to give time for files to be written	# wait a sec. to give time for files to be written
# This sleep statement is here instead of outside the else	# This sleep statement is here instead of outside the else
# block because we do not want to pause if we have servers	# block because we do not want to pause if we have servers
# left to contact.	# left to contact.
	if (scalar (keys(%Server_status))) {
	&update_status($r,
	&mt('waiting on').' '.(join(' ',keys(%Server_status))));
	}
sleep(1);	sleep(1);
}	}
&update_status($r,'waiting on '.(join(' ',keys(%Server_status))));	#
	#
	# Loop through the servers we have contacted but do not
	# have results from yet, looking for results.
while (my ($server,$status) = each(%Server_status)) {	while (my ($server,$status) = each(%Server_status)) {
last if ($connection->aborted());	last if ($connection->aborted());
if ($status eq 'con_lost') {	if ($status eq 'con_lost') {
Line 1993 END	Line 2184 END
$status=~/^([\.\w]+)$/;	$status=~/^([\.\w]+)$/;
my $datafile=$r->dir_config('lonDaemons').'/tmp/'.$1;	my $datafile=$r->dir_config('lonDaemons').'/tmp/'.$1;
if (-e $datafile && ! -e "$datafile.end") {	if (-e $datafile && ! -e "$datafile.end") {
&update_status($r,'Receiving results from '.$server);	&update_status($r,&mt('Receiving results from').' '.$server);
next;	next;
}	}
last if ($connection->aborted());	last if ($connection->aborted());
if (-e "$datafile.end") {	if (-e "$datafile.end") {
&update_status($r,'Reading results from '.$server);	&update_status($r,&mt('Reading results from').' '.$server);
if (-z "$datafile") {	if (-z "$datafile") {
delete($Server_status{$server});	delete($Server_status{$server});
next;	next;
Line 2046 END	Line 2237 END
}	}
last if ($connection->aborted());	last if ($connection->aborted());
# Finished looping through the servers	# Finished looping through the servers
	$starttime = time if (@Servers_to_contact);
$time_remaining = $max_time - (time - $starttime) ;	$time_remaining = $max_time - (time - $starttime) ;
if ($last_time - $time_remaining > 0) {	if ($last_time - $time_remaining > 0) {
$last_time = $time_remaining;	$last_time = $time_remaining;
&update_seconds($r,$time_remaining);	&update_seconds($r,$time_remaining);
}	}
}	}
&update_status($r,'Search Complete'.$server);	&update_status($r,&mt('Search Complete').$server);
&update_seconds($r,0);	&update_seconds($r,0);
&Apache::lonmysql::disconnect_from_db();	&Apache::lonmysql::disconnect_from_db();
# We have run out of time or run out of servers to talk to and	# We have run out of time or run out of servers to talk to and
Line 2124 sub prev_next_buttons {	Line 2316 sub prev_next_buttons {
######################################################################	######################################################################
######################################################################	######################################################################
sub display_results {	sub display_results {
my ($r,$importbutton,$closebutton) = @_;	my ($r,$importbutton,$closebutton,$diropendb) = @_;
my $connection = $r->connection;	my $connection = $r->connection;
$r->print(&search_results_header($importbutton,$closebutton));	$r->print(&search_results_header($importbutton,$closebutton));
##	##
Line 2137 sub display_results {	Line 2329 sub display_results {
return;	return;
}	}
##	##
	## $checkbox_num is a count of the number of checkboxes output on the
	## page this is used only during catalogmode=groupsearch.
	my $checkbox_num = 0;
	##
## Get the catalog controls setup	## Get the catalog controls setup
##	##
my $action = "/adm/searchcat?phase=results";	my $action = "/adm/searchcat?phase=results";
Line 2192 sub display_results {	Line 2388 sub display_results {
."</center>\n"	."</center>\n"
);	);
if ($total_results == 0) {	if ($total_results == 0) {
$r->print("There are currently no results.\n".	$r->print('<meta HTTP-EQUIV="Refresh" CONTENT="1">'.
	'<h3>'.&mt('There are currently no results').'.</h3>'.
"</form></body></html>");	"</form></body></html>");
return;	return;
} else {	} else {
Line 2209 sub display_results {	Line 2406 sub display_results {
##	##
foreach my $row (@Results) {	foreach my $row (@Results) {
if ($connection->aborted()) {	if ($connection->aborted()) {
untie %groupsearch_db if (tied(%groupsearch_db));	&cleanup();
&Apache::lonmysql::disconnect_from_db();
return;	return;
}	}
my %Fields = %{&parse_row(@$row)};	my %Fields = %{&parse_row(@$row)};
my $output="<p>\n";	my $output="<p>\n";
my $prefix=&catalogmode_output($Fields{'title'},$Fields{'url'});	my $prefix=&catalogmode_output($Fields{'title'},$Fields{'url'},
	$Fields{'id'},$checkbox_num++);
# Render the result into html	# Render the result into html
$output.= &$viewfunction($prefix,%Fields);	$output.= &$viewfunction($prefix,%Fields);
# Print them out as they come in.	# Print them out as they come in.
Line 2223 sub display_results {	Line 2420 sub display_results {
$r->rflush();	$r->rflush();
}	}
if (@Results < 1) {	if (@Results < 1) {
$r->print("There were no results matching your query");	$r->print(&mt("There were no results matching your query"));
} else {	} else {
$r->print	$r->print
('<center>'.	('<center>'.
Line 2246 sub display_results {	Line 2443 sub display_results {

=pod	=pod

=item &catalogmode_output($title,$url)	=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 and $fnum	$ENV{'form.catalogmode'}. Stores data in %groupsearch_db.
(local variable).

=cut	=cut

######################################################################	######################################################################
######################################################################	######################################################################
{
my $fnum = 0;

sub catalogmode_output {	sub catalogmode_output {
my $output = '';	my $output = '';
my ($title,$url) = @_;	my ($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') {
Line 2277 END	Line 2470 END
$output.=<<END;	$output.=<<END;
<font size='-1'>	<font size='-1'>
<input type="checkbox" name="returnvalues" value="SELECT"	<input type="checkbox" name="returnvalues" value="SELECT"
onClick="javascript:queue($fnum)" />	onClick="javascript:queue($checkbox_num,$fnum)" />
</font>	</font>
END	END
$fnum++;
}	}
return $output;	return $output;
}	}

}
######################################################################	######################################################################
######################################################################	######################################################################

Line 2303 sub parse_row {	Line 2493 sub parse_row {
my @Row = @_;	my @Row = @_;
my %Fields;	my %Fields;
for (my $i=0;$i<=$#Row;$i++) {	for (my $i=0;$i<=$#Row;$i++) {
$Fields{$DataOrder[$i]}=&Apache::lonnet::unescape($Row[$i]);	$Fields{$Datatypes[$i]->{'name'}}=&Apache::lonnet::unescape($Row[$i]);
}	}
$Fields{'language'} =	$Fields{'language'} =
&Apache::loncommon::languagedescription($Fields{'lang'});	&Apache::loncommon::languagedescription($Fields{'language'});
$Fields{'copyrighttag'} =	$Fields{'copyrighttag'} =
&Apache::loncommon::copyrightdescription($Fields{'copyright'});	&Apache::loncommon::copyrightdescription($Fields{'copyright'});
$Fields{'mimetag'} =	$Fields{'mimetag'} =
Line 2322 sub parse_row {	Line 2512 sub parse_row {
=item &parse_raw_result()	=item &parse_raw_result()

Takes a line from the file of results and parse it. Returns a hash	Takes a line from the file of results and parse it. Returns a hash
with keys for the following fields:	with keys according to column labels
'title', 'author', 'subject', 'url', 'keywords', 'version', 'notes',
'abstract', 'mime', 'lang', 'owner', 'copyright', 'creationdate',
'lastrevisiondate'.

In addition, the following tags are set by calling the appropriate	In addition, the following tags are set by calling the appropriate
lonnet function: 'language', 'cprtag', 'mimetag'.	lonnet function: 'language', 'copyrighttag', 'mimetag'.

The 'title' field is set to "Untitled" if the title field is blank.	The 'title' field is set to "Untitled" if the title field is blank.

Line 2343 sub parse_raw_result {	Line 2530 sub parse_raw_result {
# Check for a comma - if it is there then we do not need to unescape the	# Check for a comma - if it is there then we do not need to unescape the
# string. There seems to be some kind of problem with some items in	# string. There seems to be some kind of problem with some items in
# the database - the entire string gets sent out unescaped...?	# the database - the entire string gets sent out unescaped...?
unless ($result =~ /,/) {	# unless ($result =~ /,/) {
$result = &Apache::lonnet::unescape($result);	# $result = &Apache::lonnet::unescape($result);
}	# }
my @fields=map {	# conclude from self to others regarding fields
&Apache::lonnet::unescape($_);	my %Fields=&Apache::lonmeta::metadata_col_to_hash(
} (split(/\,/,$result));	map {
my ($title,$author,$subject,$url,$keywords,$version,	&Apache::lonnet::unescape($_);
$notes,$abstract,$mime,$lang,	} (split(/\,/,$result))
$creationdate,$lastrevisiondate,$owner,$copyright)=@fields;	);
my %Fields =	# prettier display
( title => &Apache::lonnet::unescape($title),
author => &Apache::lonnet::unescape($author),
subject => &Apache::lonnet::unescape($subject),
url => &Apache::lonnet::unescape($url),
keywords => &Apache::lonnet::unescape($keywords),
version => &Apache::lonnet::unescape($version),
notes => &Apache::lonnet::unescape($notes),
abstract => &Apache::lonnet::unescape($abstract),
mime => &Apache::lonnet::unescape($mime),
lang => &Apache::lonnet::unescape($lang),
owner => &Apache::lonnet::unescape($owner),
copyright => &Apache::lonnet::unescape($copyright),
creationdate => &Apache::lonnet::unescape($creationdate),
lastrevisiondate => &Apache::lonnet::unescape($lastrevisiondate)
);
$Fields{'language'} =	$Fields{'language'} =
&Apache::loncommon::languagedescription($Fields{'lang'});	&Apache::loncommon::languagedescription($Fields{'language'});
$Fields{'copyrighttag'} =	$Fields{'copyrighttag'} =
&Apache::loncommon::copyrightdescription($Fields{'copyright'});	&Apache::loncommon::copyrightdescription($Fields{'copyright'});
$Fields{'mimetag'} =	$Fields{'mimetag'} =
Line 2383 sub parse_raw_result {	Line 2555 sub parse_raw_result {
$Fields{'title'}='Untitled';	$Fields{'title'}='Untitled';
}	}
unless ($ENV{'user.adv'}) {	unless ($ENV{'user.adv'}) {
# What is this anyway?	# do not show descriptive information to non-advanced users
$Fields{'keywords'} = '- not displayed -';	$Fields{'keywords'} = '- not displayed -';
$Fields{'notes'} = '- not displayed -';	$Fields{'notes'} = '- not displayed -';
$Fields{'abstract'} = '- not displayed -';	$Fields{'abstract'} = '- not displayed -';
Line 2473 Checked for existance & 'edit' mode.	Line 2645 Checked for existance & 'edit' mode.

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

	Contains the name of the form that has the input fields to set

=item 'form.element'	=item 'form.element'

	the name of the input field to put the URL into

	=item 'form.titleelement'

	the name of the input field to put the title into

=back	=back

=cut	=cut
Line 2483 Checked for existance & 'edit' mode.	Line 2663 Checked for existance & 'edit' mode.
######################################################################	######################################################################
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 $result = '';
# output beginning of search page	# output beginning of search page
# conditional output of script functions dependent on the mode in	# conditional output of script functions dependent on the mode in
Line 2511 SCRIPT	Line 2692 SCRIPT
} elsif ($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 $changetitle;
	if (!$titleelement) {
	$changetitle='function changeTitle(val) {}';
	} else {
	$changetitle=<<END;
	function changeTitle(val) {
	if (parent.targetwin.document) {
	parent.targetwin.document.forms["$form"].elements["$titleelement"].value=val;
	} else {
	var url = 'forms[\"$form\"].elements[\"$titleelement\"].value';
	alert("Unable to transfer data to "+url);
	}
	}
	END
	}

$result.=<<SCRIPT;	$result.=<<SCRIPT;
<script type="text/javascript">	<script type="text/javascript">
function select_data(title,url) {	function select_data(title,url) {
changeURL(url);	changeURL(url);
	changeTitle(title);
parent.close();	parent.close();
}	}
function changeTitle(val) {	$changetitle
}
function changeURL(val) {	function changeURL(val) {
if (parent.targetwin.document) {	if (parent.targetwin.document) {
parent.targetwin.document.forms["$form"].elements["$element"].value=val;	parent.targetwin.document.forms["$form"].elements["$element"].value=val;
Line 2533 SCRIPT	Line 2731 SCRIPT
}	}
$result.=<<SCRIPT if $ENV{'form.catalogmode'} eq 'groupsearch';	$result.=<<SCRIPT if $ENV{'form.catalogmode'} eq 'groupsearch';
<script type="text/javascript">	<script type="text/javascript">
function queue(val) {	function queue(checkbox_num,val) {
if (document.forms.results.returnvalues[val].checked) {	if (document.forms.results.returnvalues.length != "undefined" &&
parent.statusframe.document.forms.statusform.elements.Queue.value +='1a'+val+'b';	typeof(document.forms.results.returnvalues.length) == "number") {
	if (document.forms.results.returnvalues[checkbox_num].checked) {
	parent.statusframe.document.forms.statusform.elements.Queue.value +='1a'+val+'b';
	} else {
	parent.statusframe.document.forms.statusform.elements.Queue.value +='0a'+val+'b';
	}
} else {	} else {
parent.statusframe.document.forms.statusform.elements.Queue.value +='0a'+val+'b';	if (document.forms.results.returnvalues.checked) {
	parent.statusframe.document.forms.statusform.elements.Queue.value +='1a'+val+'b';
	} else {
	parent.statusframe.document.forms.statusform.elements.Queue.value +='0a'+val+'b';
	}
}	}
}	}
function select_group() {	function select_group() {
Line 2560 END	Line 2767 END
######################################################################	######################################################################
######################################################################	######################################################################
sub search_status_header {	sub search_status_header {
	my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
return <<ENDSTATUS;	return <<ENDSTATUS;
<html><head><title>Search Status</title></head>	<html><head><title>Search Status</title></head>
$bodytag	$bodytag
Line 2589 sub print_frames_interface {	Line 2797 sub print_frames_interface {
<head>	<head>
<script>	<script>
var targetwin = opener;	var targetwin = opener;
	var queue = '';
</script>	</script>
<title>LON-CAPA Digital Library Search Results</title>	<title>LON-CAPA Digital Library Search Results</title>
</head>	</head>
Line 2626 extra custom metadata to show.	Line 2835 extra custom metadata to show.
######################################################################	######################################################################
sub detailed_citation_view {	sub detailed_citation_view {
my ($prefix,%values) = @_;	my ($prefix,%values) = @_;
	my $icon=&Apache::loncommon::icon($values{'url'});
my $result=<<END;	my $result=<<END;
<b>$prefix<a href="http://$ENV{'HTTP_HOST'}$values{'url'}"	<b>$prefix<img src="$icon" /><a href="http://$ENV{'HTTP_HOST'}$values{'url'}"
target='search_preview'>$values{'title'}</a></b>	target='search_preview'>$values{'title'}</a></b>
<p>	<p>
<b>$values{'author'}</b>, <i>$values{'owner'}</i><br />	<b>$values{'author'}</b>, <i>$values{'owner'}</i><br />
Line 2637 sub detailed_citation_view {	Line 2847 sub detailed_citation_view {
<b>Notes: </b> $values{'notes'}<br />	<b>Notes: </b> $values{'notes'}<br />
<b>MIME Type: </b> $values{'mimetag'}<br />	<b>MIME Type: </b> $values{'mimetag'}<br />
<b>Language: </b> $values{'language'}<br />	<b>Language: </b> $values{'language'}<br />
<b>Copyright/Distribution:</b> $values{'cprtag'}<br />	<b>Copyright/Distribution:</b> $values{'copyrighttag'}<br />
</p>	</p>
$values{'extrashow'}	$values{'extrashow'}
<p>	<p>
Line 2660 END	Line 2870 END
######################################################################	######################################################################
sub summary_view {	sub summary_view {
my ($prefix,%values) = @_;	my ($prefix,%values) = @_;
	my $icon=&Apache::loncommon::icon($values{'url'});
my $result=<<END;	my $result=<<END;
$prefix<a href="http://$ENV{'HTTP_HOST'}$values{'url'}"	$prefix<img src="$icon" /><a href="http://$ENV{'HTTP_HOST'}$values{'url'}"
target='search_preview'>$values{'author'}</a><br />	target='search_preview'>$values{'author'}</a><br />
$values{'title'}<br />	$values{'title'}<br />
$values{'owner'} -- $values{'lastrevisiondate'}<br />	$values{'owner'} -- $values{'lastrevisiondate'}<br />
Line 2686 END	Line 2897 END
######################################################################	######################################################################
sub compact_view {	sub compact_view {
my ($prefix,%values) = @_;	my ($prefix,%values) = @_;
	my $icon=&Apache::loncommon::icon($values{'url'});
my $result=<<END;	my $result=<<END;
$prefix <a href="http://$ENV{'HTTP_HOST'}$values{'url'}" target='search_preview'>	$prefix <img src="$icon" /> <a href="http://$ENV{'HTTP_HOST'}$values{'url'}" target='search_preview'>
$values{'title'}</a>	$values{'title'}</a>
<b>$values{'author'}</b><br />	<b>$values{'author'}</b><br />
END	END
Line 2708 END	Line 2920 END
######################################################################	######################################################################
sub fielded_format_view {	sub fielded_format_view {
my ($prefix,%values) = @_;	my ($prefix,%values) = @_;
	my $icon=&Apache::loncommon::icon($values{'url'});
my $result=<<END;	my $result=<<END;
$prefix	$prefix <img src="$icon" />
<b>URL: </b> <a href="http://$ENV{'HTTP_HOST'}$values{'url'}"	<b>URL: </b> <a href="http://$ENV{'HTTP_HOST'}$values{'url'}"
target='search_preview'>$values{'url'}</a>	target='search_preview'>$values{'url'}</a>
<br />	<br />
Line 2763 $prefix	Line 2976 $prefix
<mimetag>$values{'mimetag'}</mimetag>	<mimetag>$values{'mimetag'}</mimetag>
</mimeInfo>	</mimeInfo>
<languageInfo>	<languageInfo>
<language>$values{'lang'}</language>	<language>$values{'language'}</language>
<languagetag>$values{'language'}</languagetag>	<languagetag>$values{'languagetag'}</languagetag>
</languageInfo>	</languageInfo>
<creationdate>$values{'creationdate'}</creationdate>	<creationdate>$values{'creationdate'}</creationdate>
<lastrevisiondate>$values{'lastrevisiondate'}</lastrevisiondate>	<lastrevisiondate>$values{'lastrevisiondate'}</lastrevisiondate>
Line 2825 $parms is extra information to include i	Line 3038 $parms is extra information to include i
######################################################################	######################################################################
######################################################################	######################################################################
sub output_blank_field_error {	sub output_blank_field_error {
my ($r,$closebutton,$parms)=@_;	my ($r,$closebutton,$parms,$hidden_fields)=@_;
	my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
# make query information persistent to allow for subsequent revision	# make query information persistent to allow for subsequent revision
$r->print(<<BEGINNING);	$r->print(<<BEGINNING);
<html>	<html>
Line 2874 Inputs:	Line 3088 Inputs:
######################################################################	######################################################################
######################################################################	######################################################################
sub output_date_error {	sub output_date_error {
my ($r,$message,$closebutton)=@_;	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);
$r->print(<<RESULTS);	$r->print(<<RESULTS);
<html>	<html>
<head>	<head>
Line 2927 sub start_fresh_session {	Line 3142 sub start_fresh_session {

1;	1;

	sub cleanup {
	if (tied(%groupsearch_db)) {
	unless (untie(%groupsearch_db)) {
	&Apache::lonnet::logthis('Failed cleanup searchcat: groupsearch_db');
	}
	}
	&untiehash();
	&Apache::lonmysql::disconnect_from_db();
	}

__END__	__END__

=pod	=pod

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

500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.

Removed from v.1.155
changed lines
	Added in v.1.199