version 1.192.2.1, 2003/12/11 21:02:33
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version 1.197, 2003/12/27 17:32:08
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Line 59 search (on a server basis) is displayed
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Line 59 search (on a server basis) is displayed
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############################################################################### |
############################################################################### |
############################################################################### |
############################################################################### |
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############################################################################### |
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## ## |
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## ORGANIZATION OF THIS PERL MODULE ## |
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## ## |
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## 1. Modules used by this module ## |
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## 2. Variables used throughout the module ## |
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## 3. handler subroutine called via Apache and mod_perl ## |
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## 4. Other subroutines ## |
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## ## |
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############################################################################### |
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package Apache::lonsearchcat; |
package Apache::lonsearchcat; |
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# ------------------------------------------------- modules used by this module |
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use strict; |
use strict; |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
use Apache::lonnet(); |
use Apache::lonnet(); |
Line 84 use Apache::loncommon();
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Line 72 use Apache::loncommon();
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use Apache::lonmysql(); |
use Apache::lonmysql(); |
use Apache::lonlocal; |
use Apache::lonlocal; |
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# ---------------------------------------- variables used throughout the module |
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###################################################################### |
###################################################################### |
###################################################################### |
###################################################################### |
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## |
=pod |
## Global variables |
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## |
=item Global variables |
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=over 4 |
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=item $importbutton |
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button to take the select results and go to group sorting |
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=item %groupsearch_db |
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Database hash used to save values for the groupsearch RAT interface. |
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=item $diropendb |
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The full path to the (temporary) search database file. This is set and |
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used in &handler() and is also used in &output_results(). |
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=item %Views |
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Hash which associates an output view description with the function |
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that produces it. Adding a new view type should be as easy as |
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adding a line to the definition of this hash and making sure the function |
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takes the proper parameters. |
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=item $bodytag |
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LON-CAPA standard body tag, gotten from &Apache::lonnet::bodytag. |
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No title, no table, just a <body> tag. |
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=back |
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=cut |
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###################################################################### |
###################################################################### |
###################################################################### |
###################################################################### |
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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 |
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# 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; |
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my $hidden_fields; |
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my $bodytag; |
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# |
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# For course search |
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# |
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my %alreadyseen; |
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my $hashtied; |
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my %hash; |
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my $totalfound; |
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###################################################################### |
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###################################################################### |
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=pod |
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=item &handler() - main handler invoked by httpd child |
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=item Variables |
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=over 4 |
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=item $hidden |
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holds 'hidden' html forms |
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=item $scrout |
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string that holds portions of the screen output |
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=back |
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=cut |
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###################################################################### |
###################################################################### |
###################################################################### |
###################################################################### |
sub handler { |
sub handler { |
my $r = shift; |
my $r = shift; |
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# &set_defaults(); |
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# |
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# set form defaults |
# |
# |
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my $hidden_fields;# Hold all the hidden fields used to keep track |
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# of the search system state |
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my $importbutton; # button to take the selected results and go to group |
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# sorting |
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my $diropendb; # The full path to the (temporary) search database file. |
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# This is set and used in &handler() and is also used in |
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# &output_results(). |
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my $bodytag; # LON-CAPA standard body tag, gotten from |
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# &Apache::lonnet::bodytag. |
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# No title, no table, just a <body> tag. |
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my $loaderror=&Apache::lonnet::overloaderror($r); |
my $loaderror=&Apache::lonnet::overloaderror($r); |
if ($loaderror) { return $loaderror; } |
if ($loaderror) { return $loaderror; } |
Line 334 END
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Line 267 END
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## Switch on the phase |
## Switch on the phase |
## |
## |
if ($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 388 END
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Line 321 END
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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,$closebutton); |
&parse_basic_search($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 410 END
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Line 343 END
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###################################################################### |
###################################################################### |
###################################################################### |
###################################################################### |
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## |
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## Course Search |
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## |
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###################################################################### |
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###################################################################### |
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{ # Scope the course search to avoid global variables |
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# |
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# Variables For course search |
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my %alreadyseen; |
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my %hash; |
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my $totalfound; |
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sub course_search { |
sub course_search { |
my $r=shift; |
my $r=shift; |
Line 432 sub course_search {
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Line 376 sub course_search {
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$bodytag.$pretty_search_string); |
$bodytag.$pretty_search_string); |
$r->rflush(); |
$r->rflush(); |
# ======================================================= Go through the course |
# ======================================================= Go through the course |
$hashtied=0; |
undef %alreadyseen; |
undef %alreadyseen; |
%alreadyseen=(); |
%alreadyseen=(); |
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my $c=$r->connection; |
my $c=$r->connection; |
&tiehash(); |
if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db", |
foreach (keys %hash) { |
&GDBM_READER(),0640)) { |
if ($c->aborted()) { last; } |
foreach (keys %hash) { |
if (($_=~/^src\_(.+)$/) && (!$alreadyseen{$hash{$_}})) { |
if ($c->aborted()) { last; } |
&checkonthis($r,$hash{$_},0,$hash{'title_'.$1},$fulltext,@allwords); |
if (($_=~/^src\_(.+)$/) && (!$alreadyseen{$hash{$_}})) { |
} |
&checkonthis($r,$hash{$_},0,$hash{'title_'.$1},$fulltext, |
} |
@allwords); |
&untiehash(); |
} |
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} |
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untie(%hash); |
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} |
unless ($totalfound) { |
unless ($totalfound) { |
$r->print('<p>'.&mt('No resources found').'.</p>'); |
$r->print('<p>'.&mt('No resources found').'.</p>'); |
} |
} |
Line 451 sub course_search {
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Line 397 sub course_search {
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$r->print('</body></html>'); |
$r->print('</body></html>'); |
} |
} |
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# ---------------------------------------------------------------- tie the hash |
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sub tiehash { |
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$hashtied=0; |
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if ($ENV{'request.course.fn'}) { |
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if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db", |
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&GDBM_READER(),0640)) { |
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$hashtied=1; |
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} |
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} |
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} |
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sub untiehash { |
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if ($hashtied) { untie %hash; } |
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$hashtied=0; |
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} |
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# =============================== This pulls up a resource and its dependencies |
# =============================== This pulls up a resource and its dependencies |
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sub checkonthis { |
sub checkonthis { |
Line 513 sub checkonthis {
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Line 442 sub checkonthis {
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} |
} |
} |
} |
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sub untiehash { |
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if (tied(%hash)) { |
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untie(%hash); |
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} |
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} |
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} # End of course search scoping |
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###################################################################### |
###################################################################### |
###################################################################### |
###################################################################### |
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Line 528 Returns a scalar which holds html for th
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Line 465 Returns a scalar which holds html for th
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###################################################################### |
###################################################################### |
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sub print_basic_search_form{ |
sub print_basic_search_form{ |
my ($r,$closebutton) = @_; |
my ($r,$closebutton,$hidden_fields) = @_; |
my $bodytag=&Apache::loncommon::bodytag('Search'); |
my $bodytag=&Apache::loncommon::bodytag('Search'); |
my $scrout=<<"ENDDOCUMENT"; |
my $scrout=<<"ENDDOCUMENT"; |
<html> |
<html> |
Line 545 sub print_basic_search_form{
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Line 482 sub print_basic_search_form{
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$bodytag |
$bodytag |
ENDDOCUMENT |
ENDDOCUMENT |
if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) { |
if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) { |
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my $CatalogSearch=&mt('Catalog Search'); |
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my $Statement=&mt('Enter terms or phrases separated by AND, OR, or NOT then press SEARCH below'); |
$scrout.=(<<ENDDOCUMENT); |
$scrout.=(<<ENDDOCUMENT); |
<h1>Catalog Search</h1> |
<h1>$CatalogSearch</h1> |
<form method="post" action="/adm/searchcat"> |
<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. |
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</p> |
</p> |
<p> |
<p> |
<table> |
<table> |
Line 560 then press SEARCH below.
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Line 498 then press SEARCH below.
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ENDDOCUMENT |
ENDDOCUMENT |
$scrout.=' '.&simpletextfield('basicexp',$ENV{'form.basicexp'},40). |
$scrout.=' '.&simpletextfield('basicexp',$ENV{'form.basicexp'},40). |
' '; |
' '; |
my $relatedcheckbox = &simplecheckbox('related',$ENV{'form.related'}); |
my $relatedcheckbox = &simplecheckbox('related','related',$ENV{'form.related'}); |
my $domain = $r->dir_config('lonDefDomain'); |
my $domain = $r->dir_config('lonDefDomain'); |
my $domaincheckbox = &simplecheckbox('domains',$domain); |
my $domaincheckbox = &simplecheckbox('domains',$domain); |
my $srch=&mt('Search'); |
my $srch=&mt('Search'); |
my $header=&mt('Advanced Search'); |
my $header=&mt('Advanced Search'); |
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my $userelatedwords=&mt('use related words'); |
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my $onlysearchdomain=&mt('only search domain'); |
$scrout.=<<END; |
$scrout.=<<END; |
</td><td><a |
</td><td><a |
href="/adm/searchcat?phase=disp_adv&catalogmode=$ENV{'form.catalogmode'}&launch=$ENV{'form.launch'}&mode=$ENV{'form.mode'}" |
href="/adm/searchcat?phase=disp_adv&catalogmode=$ENV{'form.catalogmode'}&launch=$ENV{'form.launch'}&mode=$ENV{'form.mode'}" |
>$header</a></td></tr> |
>$header</a></td></tr> |
<tr><td>$relatedcheckbox use related words</td> |
<tr><td>$relatedcheckbox $userelatedwords</td> |
<td>$domaincheckbox only search domain <b>$domain</b></td></tr> |
<td>$domaincheckbox $onlysearchdomain <b>$domain</b></td></tr> |
</table> |
</table> |
</p> |
</p> |
<p> |
<p> |
Line 599 ENDDOCUMENT
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Line 539 ENDDOCUMENT
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$scrout.=(<<ENDCOURSESEARCH); |
$scrout.=(<<ENDCOURSESEARCH); |
<hr /> |
<hr /> |
<h1>$lt{'header'}</h1> |
<h1>$lt{'header'}</h1> |
<form method="post" action="/adm/searchcat"> |
<form name="course_search" method="post" action="/adm/searchcat"> |
<input type="hidden" name="phase" value="course_search" /> |
<input type="hidden" name="phase" value="course_search" /> |
$hidden_fields |
$hidden_fields |
<p> |
<p> |
Line 646 Returns a scalar which holds html for th
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Line 586 Returns a scalar which holds html for th
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###################################################################### |
###################################################################### |
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sub print_advanced_search_form{ |
sub print_advanced_search_form{ |
my ($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 1033 sub simpletextfield {
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Line 973 sub simpletextfield {
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=item &simplecheckbox() |
=item &simplecheckbox() |
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Inputs: $name,$value |
Inputs: $name,$value,$checked |
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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 1045 If $value eq 'on' the box is checked.
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Line 985 If $value eq 'on' the box is checked.
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sub simplecheckbox{ |
sub simplecheckbox{ |
my ($name,$value,$checked)=@_; |
my ($name,$value,$checked)=@_; |
$checked="checked" if ($value eq 'on'); |
$checked="checked" if ($value eq $checked || $value eq 'on'); |
return '<input type="checkbox" name="'.$name.'" value="'.$value.'" '. |
return '<input type="checkbox" name="'.$name.'" value="'.$value.'" '. |
$checked.' />'; |
$checked.' />'; |
} |
} |
Line 1298 Parse advanced search form and return th
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Line 1238 Parse advanced search form and return th
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###################################################################### |
###################################################################### |
###################################################################### |
###################################################################### |
sub parse_advanced_search { |
sub parse_advanced_search { |
my ($r,$closebutton)=@_; |
my ($r,$closebutton,$hidden_fields)=@_; |
my $fillflag=0; |
my $fillflag=0; |
my $pretty_search_string = "<br />\n"; |
my $pretty_search_string = "<br />\n"; |
# Clean up fields for safety |
# Clean up fields for safety |
Line 1332 sub parse_advanced_search {
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Line 1272 sub parse_advanced_search {
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} |
} |
} |
} |
unless ($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 1415 sub parse_advanced_search {
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Line 1355 sub parse_advanced_search {
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); |
); |
# 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 ($datequery) { |
# Here is where you would set up pretty_search_string to output |
# Here is where you would set up pretty_search_string to output |
Line 1850 sub ensure_db_and_table {
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Line 1790 sub ensure_db_and_table {
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###################################################################### |
###################################################################### |
sub print_sort_form { |
sub print_sort_form { |
my ($r,$pretty_query_string) = @_; |
my ($r,$pretty_query_string) = @_; |
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my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1); |
## |
## |
my %SortableFields=&Apache::lonlocal::texthash( |
my %SortableFields=&Apache::lonlocal::texthash( |
id => 'Default', |
id => 'Default', |
Line 2095 sub revise_button {
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Line 2036 sub revise_button {
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###################################################################### |
###################################################################### |
sub run_search { |
sub run_search { |
my ($r,$query,$customquery,$customshow,$serverlist,$pretty_string) = @_; |
my ($r,$query,$customquery,$customshow,$serverlist,$pretty_string) = @_; |
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my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1); |
my $connection = $r->connection; |
my $connection = $r->connection; |
# |
# |
# Timing variables |
# Timing variables |
Line 2345 sub prev_next_buttons {
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Line 2287 sub prev_next_buttons {
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###################################################################### |
###################################################################### |
###################################################################### |
###################################################################### |
sub display_results { |
sub display_results { |
my ($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,$closebutton)); |
## |
## |
Line 2710 the name of the input field to put the t
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Line 2652 the name of the input field to put the t
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###################################################################### |
###################################################################### |
sub search_results_header { |
sub search_results_header { |
my ($importbutton,$closebutton) = @_; |
my ($importbutton,$closebutton) = @_; |
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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 2813 END
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Line 2756 END
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###################################################################### |
###################################################################### |
###################################################################### |
###################################################################### |
sub search_status_header { |
sub search_status_header { |
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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 3083 $parms is extra information to include i
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Line 3027 $parms is extra information to include i
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###################################################################### |
###################################################################### |
###################################################################### |
###################################################################### |
sub output_blank_field_error { |
sub output_blank_field_error { |
my ($r,$closebutton,$parms)=@_; |
my ($r,$closebutton,$parms,$hidden_fields)=@_; |
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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); |
$r->print(<<BEGINNING); |
<html> |
<html> |
Line 3132 Inputs:
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Line 3077 Inputs:
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###################################################################### |
###################################################################### |
###################################################################### |
###################################################################### |
sub output_date_error { |
sub output_date_error { |
my ($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 |
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my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1); |
$r->print(<<RESULTS); |
$r->print(<<RESULTS); |
<html> |
<html> |
<head> |
<head> |