loncom/interface/lonsearchcat.pm - diff

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Diff for /loncom/interface/lonsearchcat.pm between versions 1.200 and 1.215

version 1.200, 2004/01/01 20:13:17	version 1.215, 2004/04/22 20:05:18
Line 48 described at http://www.lon-capa.org.	Line 48 described at http://www.lon-capa.org.
lonsearchcat presents the user with an interface to search the LON-CAPA	lonsearchcat presents the user with an interface to search the LON-CAPA
digital library. lonsearchcat also initiates the execution of a search	digital library. lonsearchcat also initiates the execution of a search
by sending the search parameters to LON-CAPA servers. The progress of	by sending the search parameters to LON-CAPA servers. The progress of
search (on a server basis) is displayed to the user in a seperate window.	search (on a server basis) is displayed to the user in a separate window.

=head1 Internals	=head1 Internals

Line 73 use Apache::lonmysql();	Line 73 use Apache::lonmysql();
use Apache::lonmeta;	use Apache::lonmeta;
use Apache::lonhtmlcommon;	use Apache::lonhtmlcommon;
use Apache::lonlocal;	use Apache::lonlocal;
	use LONCAPA::lonmetadata();
	use HTML::Entities();

######################################################################	######################################################################
######################################################################	######################################################################
Line 148 sub handler {	Line 150 sub handler {
## Initialize global variables	## Initialize global variables
##	##
my $domain = $r->dir_config('lonDefDomain');	my $domain = $r->dir_config('lonDefDomain');
$diropendb= "/home/httpd/perl/tmp/$ENV{'user.domain'}_$ENV{'user.name'}_searchcat.db";	$diropendb= "/home/httpd/perl/tmp/".
	"$ENV{'user.domain'}_$ENV{'user.name'}_searchcat.db";
#	#
# set the name of the persistent database	# set the name of the persistent database
# $ENV{'form.persistent_db_id'} can only have digits in it.	# $ENV{'form.persistent_db_id'} can only have digits in it.
Line 163 sub handler {	Line 166 sub handler {
'_'.&Apache::lonnet::escape($ENV{'user.name'}).	'_'.&Apache::lonnet::escape($ENV{'user.name'}).
'_'.$ENV{'form.persistent_db_id'}.'_persistent_search.db';	'_'.$ENV{'form.persistent_db_id'}.'_persistent_search.db';
##	##
	&Apache::lonhtmlcommon::clear_breadcrumbs();
	if (exists($ENV{'request.course.id'}) && $ENV{'request.course.id'} ne '') {
	&Apache::lonhtmlcommon::add_breadcrumb
	({href=>'/adm/searchcat?'.
	'catalogmode='.$ENV{'form.catalogmode'}.
	'&launch='.$ENV{'form.launch'}.
	'&mode='.$ENV{'form.mode'},
	text=>"Course and Catalog Search",
	bug=>'Searching',});
	} else {
	&Apache::lonhtmlcommon::add_breadcrumb
	({href=>'/adm/searchcat?'.
	'catalogmode='.$ENV{'form.catalogmode'}.
	'&launch='.$ENV{'form.launch'}.
	'&mode='.$ENV{'form.mode'},
	text=>"Catalog Search",
	bug=>'Searching',});
	}
	#
if (! &get_persistent_form_data($persistent_db_file)) {	if (! &get_persistent_form_data($persistent_db_file)) {
if ($ENV{'form.phase'} =~ /(run_search\|results)/) {	if ($ENV{'form.phase'} =~ /(run_search\|results)/) {
&Apache::lonnet::logthis("lonsearchcat:Unable to recover data ".	&Apache::lonnet::logthis("lonsearchcat:Unable to recover data ".
Line 263 END	Line 285 END
}	}
$ENV{'form.phase'} = 'disp_basic' if (! exists($ENV{'form.phase'}));	$ENV{'form.phase'} = 'disp_basic' if (! exists($ENV{'form.phase'}));
$ENV{'form.show'} = 20 if (! exists($ENV{'form.show'}));	$ENV{'form.show'} = 20 if (! exists($ENV{'form.show'}));
	#
	$ENV{'form.searchmode'} = 'basic';
	if ($ENV{'form.phase'} eq 'adv_search' \|\|
	$ENV{'form.phase'} eq 'disp_adv') {
	$ENV{'form.searchmode'} = 'advanced';
	} elsif ($ENV{'form.phase'} eq 'course_search') {
	$ENV{'form.searchmode'} = 'course_search';
	}
	#
	if ($ENV{'form.searchmode'} eq 'advanced') {
	&Apache::lonhtmlcommon::add_breadcrumb
	({href=>'/adm/searchcat?phase=disp_adv&'.
	'catalogmode='.$ENV{'form.catalogmode'}.
	'&launch='.$ENV{'form.launch'}.
	'&mode='.$ENV{'form.mode'},
	text=>"Advanced Search",
	bug=>'Searching',});
	} elsif ($ENV{'form.searchmode'} eq 'course search') {
	&Apache::lonhtmlcommon::add_breadcrumb
	({href=>'/adm/searchcat?phase=disp_adv&'.
	'catalogmode='.$ENV{'form.catalogmode'}.
	'&launch='.$ENV{'form.launch'}.
	'&mode='.$ENV{'form.mode'},
	text=>"Course Search",
	bug=>'Searching',});
	}
##	##
## Switch on the phase	## Switch on the phase
##	##
Line 287 END	Line 335 END
&course_search($r);	&course_search($r);
} elsif(($ENV{'form.phase'} eq 'basic_search') \|\|	} elsif(($ENV{'form.phase'} eq 'basic_search') \|\|
($ENV{'form.phase'} eq 'adv_search')) {	($ENV{'form.phase'} eq 'adv_search')) {
$ENV{'form.searchmode'} = 'basic';
if ($ENV{'form.phase'} eq 'adv_search') {
$ENV{'form.searchmode'} = 'advanced';
}
# Set up table	# Set up table
if (! defined(&create_results_table())) {	if (! defined(&create_results_table())) {
my $errorstring=&Apache::lonmysql::get_error();	my $errorstring=&Apache::lonmysql::get_error();
	&Apache::lonnet::logthis('lonsearchcat.pm: Unable to create '.
	'needed table. lonmysql error:'.
	$errorstring);
$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 359 my $totalfound;	Line 405 my $totalfound;

sub course_search {	sub course_search {
my $r=shift;	my $r=shift;
my $bodytag=&Apache::loncommon::bodytag('Course Search');	my $bodytag=&Apache::loncommon::bodytag('Course Search').
	&Apache::loncommon::help_open_bug('Searching');
my $pretty_search_string = '<b>'.$ENV{'form.courseexp'}.'</b>';	my $pretty_search_string = '<b>'.$ENV{'form.courseexp'}.'</b>';
my $search_string = $ENV{'form.courseexp'};	my $search_string = $ENV{'form.courseexp'};
my @New_Words;	my @New_Words;
Line 375 sub course_search {	Line 422 sub course_search {
my @allwords=($search_string,@New_Words);	my @allwords=($search_string,@New_Words);
$totalfound=0;	$totalfound=0;
$r->print('<html><head><title>LON-CAPA Course Search</title></head>'.	$r->print('<html><head><title>LON-CAPA Course Search</title></head>'.
$bodytag.$pretty_search_string);	$bodytag.'<hr /><center><font size="+2" face="arial">'.$pretty_search_string.'</font></center><hr />');
$r->rflush();	$r->rflush();
# ======================================================= Go through the course	# ======================================================= Go through the course
undef %alreadyseen;	undef %alreadyseen;
Line 452 sub untiehash {	Line 499 sub untiehash {

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

	sub search_html_header {
	my $Str = <<ENDHEADER;
	<html>
	<head>
	<title>The LearningOnline Network with CAPA</title>
	<script type="text/javascript">
	function openhelp(val) {
	openhelpwin=open('/adm/help/searchcat.html','helpscreen',
	'scrollbars=1,width=600,height=300');
	openhelpwin.focus();
	}
	</script>
	</head>
	ENDHEADER
	return $Str;
	}

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

Line 459 sub untiehash {	Line 523 sub untiehash {

=item &print_basic_search_form()	=item &print_basic_search_form()

Returns a scalar which holds html for the basic search form.	Prints the form for the basic search. Sorry the name is so cryptic.

=cut	=cut

######################################################################	######################################################################
######################################################################	######################################################################
	sub print_basic_search_form {
sub print_basic_search_form{
my ($r,$closebutton,$hidden_fields) = @_;	my ($r,$closebutton,$hidden_fields) = @_;
my $bodytag=&Apache::loncommon::bodytag('Search');	my $bodytag=&Apache::loncommon::bodytag('Search').
my $scrout=<<"ENDDOCUMENT";	&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching','Finding_Resources',
<html>	undef,undef,! $ENV{'form.launch'});
<head>	my $scrout = &search_html_header().$bodytag;
<title>The LearningOnline Network with CAPA</title>	if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) {
<script type="text/javascript">	# Define interface components
function openhelp(val) {	my $userelatedwords=
openhelpwin=open('/adm/help/searchcat.html','helpscreen',	&mt('[_1] use related words',
'scrollbars=1,width=600,height=300');	&Apache::lonhtmlcommon::checkbox
openhelpwin.focus();	('related',$ENV{'form.related'}));
}	my $onlysearchdomain=
</script>	&mt('[_1] only search domain [_2]',
</head>	&Apache::lonhtmlcommon::checkbox
$bodytag	('domains',$ENV{'form.domains'}),
ENDDOCUMENT	$r->dir_config('lonDefDomain'));
if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) {	my $adv_search_link =
my $CatalogSearch=&mt('Catalog Search');	'<a href="/adm/searchcat?'.
my $Statement=&mt('Enter terms or phrases separated by AND, OR, or NOT then press SEARCH below');	'phase=disp_adv&'.
$scrout.=(<<ENDDOCUMENT);	'catalogmode='.$ENV{'form.catalogmode'}.
<h1>$CatalogSearch</h1>	'&launch='.$ENV{'form.launch'}.
<form name="loncapa_search" method="post" action="/adm/searchcat">	'&mode='.$ENV{'form.mode'}.
<input type="hidden" name="phase" value="basic_search" />	'">'.&mt('Advanced Search').'</a>';
$hidden_fields	#
<p>	$scrout.='<form name="loncapa_search" method="post" '.
$Statement.	'action="/adm/searchcat">'.
</p>	'<input type="hidden" name="phase" value="basic_search" />'.
<p>	$hidden_fields;
<table>	#
<tr><td>	$scrout .= '<center>'.$/;
ENDDOCUMENT	if ($ENV{'request.course.id'}) {
$scrout.=' '.&Apache::lonhtmlcommon::textbox('basicexp',	$scrout .= '<h1>'.&mt('LON-CAPA Catalog Search').'</h1>';
$ENV{'form.basicexp'},40).	} else {
' ';	# No need to tell them they are searching
my $relatedcheckbox = &Apache::lonhtmlcommon::checkbox('related',	$scrout.= ('<br />'x2);
$ENV{'form.related'});	}
my $domain = $r->dir_config('lonDefDomain');	$scrout.='<table>'.
my $domaincheckbox = &Apache::lonhtmlcommon::checkbox('domains',	'<tr><td align="center" valign="top">'.
$ENV{'form.domains'});	&Apache::lonhtmlcommon::textbox('basicexp',
my $srch=&mt('Search');	$ENV{'form.basicexp'},50).'<br />'.
my $header=&mt('Advanced Search');	'<font size="-1">'.&searchhelp().'</font>'.'</td>'.
my $userelatedwords=&mt('use related words');	'<td><font size="-1">'.
my $onlysearchdomain=&mt('only search domain');	'<nobr>'.(' 'x3).$adv_search_link.'</nobr>'.'<br />'.
my $view=&viewoptions();	'<nobr>'.(' 'x1).$userelatedwords.'</nobr>'.'<br />'.
$scrout.=<<END;	'<nobr>'.(' 'x1).$onlysearchdomain.'</nobr>'.'<br />'.
</td><td><a	'</font></td>'.
href="/adm/searchcat?phase=disp_adv&catalogmode=$ENV{'form.catalogmode'}&launch=$ENV{'form.launch'}&mode=$ENV{'form.mode'}"	'</tr>'.$/;
>$header</a></td></tr>	#
<tr><td>$relatedcheckbox $userelatedwords</td>	# $scrout .= '<tr><td align="center">'.
<td>$domaincheckbox $onlysearchdomain <b>$domain</b></td></tr>	# '<font size="-1">'.
</table>	# $userelatedwords.(' 'x3).
</p>	# $onlysearchdomain.(' 'x2).$adv_search_link.
$view	# '</font>'.
<p>	# '</td></tr>'.$/;
<input type="submit" name="basicsubmit" value='$srch' />	$scrout .= '<tr><td align="center" colspan="2">'.
$closebutton	'<font size="-1">'.
END	'<input type="submit" name="basicsubmit" '.
$scrout.=<<ENDDOCUMENT;	'value="'.&mt('Search').'" />'.
</p>	(' 'x2).$closebutton.(' 'x2).&viewoptions().
</form>	'</font>'.
ENDDOCUMENT	'</td></tr>'.$/;
	$scrout .= '</table>'.$/.'</center>'.'</form>';
}	}
if ($ENV{'request.course.id'}) {	if ($ENV{'request.course.id'}) {
my %lt=&Apache::lonlocal::texthash(	my %lt=&Apache::lonlocal::texthash('srch' => 'Search',
'srch' => 'Search',
'header' => 'Course Search',	'header' => 'Course Search',
'note' => 'Enter terms or phrases, then press "Search" below',	'note' => 'Enter terms or phrases, then press "Search" below',
'use' => 'use related words',	'use' => 'use related words',
'full' =>'fulltext search (time consuming)'	'full' =>'fulltext search (time consuming)'
);	);
$scrout.=(<<ENDCOURSESEARCH);	$scrout.=(<<ENDCOURSESEARCH);
	<form name="loncapa_search" method="post" action="/adm/searchcat">
	<center>
<hr />	<hr />
<h1>$lt{'header'}</h1>	<h1>$lt{'header'}</h1>
<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	$hidden_fields
<p>	<p>
Line 566 ENDCOURSESEARCH	Line 630 ENDCOURSESEARCH
</table><p>	</table><p>
<input type="submit" name="coursesubmit" value='$lt{'srch'}' />	<input type="submit" name="coursesubmit" value='$lt{'srch'}' />
</p>	</p>
	</center>
	</form>
ENDENDCOURSE	ENDENDCOURSE
}	}
$scrout.=(<<ENDDOCUMENT);	$scrout.=(<<ENDDOCUMENT);
Line 582 ENDDOCUMENT	Line 648 ENDDOCUMENT

=item &advanced_search_form()	=item &advanced_search_form()

Returns a scalar which holds html for the advanced search form.	Prints the advanced search form.

=cut	=cut

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

sub print_advanced_search_form{	sub print_advanced_search_form{
my ($r,$closebutton,$hidden_fields) = @_;	my ($r,$closebutton,$hidden_fields) = @_;
my %lt=&Apache::lonlocal::texthash('srch' => 'Search',	my %lt=&Apache::lonlocal::texthash('srch' => 'Search',
Line 600 sub print_advanced_search_form{	Line 665 sub print_advanced_search_form{
<input type="reset" name="reset" value='$lt{"reset"}' />	<input type="reset" name="reset" value='$lt{"reset"}' />
$closebutton	$closebutton
<input type="button" value="$lt{'help'}" onClick="openhelp()" />	<input type="button" value="$lt{'help'}" onClick="openhelp()" />
</p>
END	END
if (!defined($ENV{'form.viewselect'})) {	my $bodytag=&Apache::loncommon::bodytag('Advanced Catalog Search').
$ENV{'form.viewselect'} ="Detailed Citation View";	&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching',
}	'Finding_Resources',
my $bodytag=&Apache::loncommon::bodytag('Advanced Catalog Search');	undef,undef,
my $scrout=<<"ENDHEADER";	! $ENV{'form.launch'});
<html>	my $searchhelp=&searchhelp();
<head>	my $scrout=&search_html_header();
<title>The LearningOnline Network with CAPA</title>	$scrout .= <<"ENDHEADER";
<script type="text/javascript">
function openhelp(val) {
openhelpwin=open('/adm/help/searchcat.html','helpscreen',
'scrollbars=1,width=600,height=300');
openhelpwin.focus();
}
</script>
</head>
$bodytag	$bodytag
Enter terms or phrases separated by search operators
such as AND, OR, or NOT.<br />
<form method="post" action="/adm/searchcat" name="advsearch">	<form method="post" action="/adm/searchcat" name="advsearch">
$advanced_buttons	$advanced_buttons
$hidden_fields
<input type="hidden" name="phase" value="adv_search" />
ENDHEADER	ENDHEADER
$scrout.=&viewoptions();	$scrout.=(' 'x2).&viewoptions().'</p>'.$hidden_fields.
	'<input type="hidden" name="phase" value="adv_search" />';
my %fields=&Apache::lonmeta::fieldnames();	my %fields=&Apache::lonmeta::fieldnames();
# set undefined to "any"
$ENV{'form.language'}='any' unless length($ENV{'form.language'});
$ENV{'form.domains'} = 'any' if (! exists($ENV{'form.domains'}));
$ENV{'form.category'}='any' if (! defined($ENV{'form.category'}));


$scrout.='<table>';
$scrout.="<tr><th>".&mt('Field').'</th><th>'.&mt('Value').'</th><th>'
.&mt('Related').'<br />'.&mt('Words')."</td></tr>\n";
foreach ('title','author','keywords','notes','abstract','standards',
'lowestgradelevel','highestgradelevel','mime') {
$scrout.='<tr><td>'.&titlefield($fields{$_}).'</td><td>'.
&Apache::lonmeta::prettyinput($_,$ENV{'form.'.$_},$_,'advsearch',
1,'</td><td>',$ENV{'form.'.$_.'_related'}).
'</td></tr>';
}
# Hack - an empty table row.
$scrout.="<tr><td> </td><td> </td><td> </td></tr>\n";
# $scrout.=&searchphrasefield('file<br />extension','extension',
# $ENV{'form.extension'});
# $scrout.="<tr><td> </td><td> </td><td> </td></tr>\n";
# $scrout.=&searchphrasefield('publisher<br />owner','owner',
# $ENV{'form.owner'});
$scrout.="</table>\n";
# $scrout.=&Apache::lonmeta::selectbox('File Category','category',
# $ENV{'form.category'},
# 'any','Any category',
# undef,
# (&Apache::loncommon::filecategories()));
#----------------------------------------------------------------
# Allow restriction to multiple domains.
# I make the crazy assumption that there will never be a domain 'any'.
#	#
my @allowed_domains = (ref($ENV{'form.domains'}) ? @{$ENV{'form.domains'}}	$scrout.= '<p>'.$searchhelp.'</p>'.
: ($ENV{'form.domains'}) );	"<table>\n";
my %domain_hash = ();	my %related_word_search =
foreach (@allowed_domains) {	('title'=>1,
$domain_hash{$_}++;	'author'=>0,
	'owner'=>0,
	'authorspace'=>0,
	'modifyinguser'=>0,
	'keywords'=>1,
	'notes'=>1,
	'abstract'=>1,
	'standards'=>1,
	'mime'=>1,
	);
	#
	foreach my $field ('title','author','owner','authorspace','modifyinguser',
	'keywords','notes','abstract','standards','mime') {
	$scrout.='<tr><td align="right">'.&titlefield($fields{$field}).'</td><td>'.
	&Apache::lonmeta::prettyinput($field,
	$ENV{'form.'.$field},
	$field,
	'advsearch',
	$related_word_search{$field},
	'</td><td align="left">',
	$ENV{'form.'.$field.'_related'},
	50);
	if ($related_word_search{$field}) {
	$scrout .= 'related words';
	} else {
	$scrout .= '</td><td> ';
	}
	$scrout .= '</td></tr>'.$/;
	}
	foreach my $field ('lowestgradelevel','highestgradelevel') {
	$scrout.='<tr>'.
	'<td align="right">'.&titlefield($fields{$field}).'</td>'.
	'<td colspan="2">'.
	&Apache::lonmeta::prettyinput($field,
	$ENV{'form.'.$field},
	$field,
	'advsearch',
	0).
	'</td></tr>'.$/;
	}
	$scrout.='<tr><td align="right">'.
	&titlefield(&mt('MIME Type Category')).'</td><td colspan="2">'.
	&Apache::loncommon::filecategoryselect('category',
	$ENV{'form.category'}).
	'</td></tr>'.$/;
	$scrout.='<tr><td align="right" valign="top">'.
	&titlefield(&mt('Domains')).'</td><td colspan="2">'.
	&Apache::loncommon::domain_select('domains',
	$ENV{'form.domains'},1).
	'</td></tr>'.$/;
	$scrout .= "</table>\n<br />\n<table>\n";
	my %dates=&Apache::lonlocal::texthash
	('creationdatestart' => 'Creation Date After',
	'creationdateend' => 'Creation Date Before',
	'lastrevisiondatestart' => 'Last Revision Date After',
	'lastrevisiondateend' => 'Last Revision Date Before');
	foreach my $field (sort keys %dates) {
	$scrout.='<tr>'.
	'<td align="right">'.&titlefield($dates{$field}).'</td><td>'.
	&Apache::lonhtmlcommon::date_setter('advsearch',$field,0,'',1).
	'</td></tr>'.$/;
}	}
my @domains =&Apache::loncommon::get_domains();	$scrout.="</table>\n";
# adjust the size of the select box
my $size = 4;
$size = (scalar @domains < ($size - 1) ? scalar @domains + 1 : $size);
$scrout.="\n".&titlefield(&mt('Domain to be searched')).
'<select name="domains" size="'.$size.'" multiple>'."\n".
'<option name="any" value="any" '.
($domain_hash{'any'}? 'selected ' :'').
'>all domains</option>'."\n";
foreach my $dom (sort @domains) {
$scrout.="<option name=\"$dom\" ".
($domain_hash{$dom} ? 'selected ' :'').">$dom</option>\n";
}
$scrout.="</select>\n";

# ------------------------------------------- Compute customized metadata field
# $scrout.=<<CUSTOMMETADATA;
#<p>
#<font color="#800000" face="helvetica"><b>LIMIT BY SPECIAL METADATA FIELDS:</b>
#</font>
#For resource-specific metadata, enter in an expression in the form of
#<i>key</i>=<i>value</i> separated by operators such as AND, OR or NOT.<br />
#<b>Example:</b> grandmother=75 OR grandfather=85
#<br />
#CUSTOMMETADATA
# $scrout.=&simpletextfield('custommetadata',$ENV{'form.custommetadata'});
# $scrout.=<<CUSTOMSHOW;
#<p>
#<font color="#800000" face="helvetica"><b>SHOW SPECIAL METADATA FIELDS:</b>
#</font>
#Enter in a space-separated list of special metadata fields to show
#in a fielded listing for each record result.
#<br />
#CUSTOMSHOW
# $scrout.=&simpletextfield('customshow',$ENV{'form.customshow'});
$scrout.=<<ENDDOCUMENT;	$scrout.=<<ENDDOCUMENT;
$advanced_buttons	$advanced_buttons
</form>	</form>
Line 711 ENDDOCUMENT	Line 758 ENDDOCUMENT
$r->print($scrout);	$r->print($scrout);
return;	return;
}	}

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

=pod	=pod

=item &titlefield	=item &titlefield()

Inputs: title text	Inputs: title text

Line 726 Outputs: titletext with font wrapper	Line 774 Outputs: titletext with font wrapper

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

sub titlefield {	sub titlefield {
my $title=shift;	my $title=shift;
return '<font face="arial" color="#800000">'.$title.'</font>';	return $title;
}	}

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

=pod	=pod

=item viewoptiontext	=item viewoptiontext()

Inputs: codename for view option	Inputs: codename for view option

Line 746 Outputs: displayed text	Line 794 Outputs: displayed text

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

sub viewoptiontext {	sub viewoptiontext {
my $code=shift;	my $code=shift;
my %desc=&Apache::lonlocal::texthash('detailed' => "Detailed Citation View",	my %desc=&Apache::lonlocal::texthash
'xml' => 'XML/SGML',	('detailed' => "Detailed Citation View",
'compact' => 'Compact View',	'xml' => 'XML/SGML',
'fielded' => 'Fielded Format',	'compact' => 'Compact View',
'summary' => 'Summary View');	'fielded' => 'Fielded Format',
	'summary' => 'Summary View');
return $desc{$code};	return $desc{$code};
}	}

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

=pod	=pod

=item viewoptions	=item viewoptions()

Inputs: none	Inputs: none

Line 770 Outputs: text for box with view options	Line 820 Outputs: text for box with view options

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

sub viewoptions {	sub viewoptions {
my $scrout="\n\n".'<table bgcolor="#FFFFBB"><tr><th>'.&mt('View Options').'</th><th>'.	my $scrout="\n".'<nobr>';
&mt('Records per Page').'</th></tr><tr><td>';	if (! defined($ENV{'form.viewselect'})) {
unless ($ENV{'form.viewselect'}) { $ENV{'form.viewselect'}='detailed'; }	$ENV{'form.viewselect'}='detailed';
	}
$scrout.=&Apache::lonmeta::selectbox('viewselect',	$scrout.=&Apache::lonmeta::selectbox('viewselect',
$ENV{'form.viewselect'},	$ENV{'form.viewselect'},
\&viewoptiontext,	\&viewoptiontext,
sort(keys(%Views)));	sort(keys(%Views)));
$scrout.='</td><td>';	$scrout.= '  ';
$scrout.=&Apache::lonmeta::selectbox('show',	my $countselect = &Apache::lonmeta::selectbox('show',
$ENV{'form.show'},	$ENV{'form.show'},
undef,	undef,
(10,20,50,100,1000,10000));	(10,20,50,100,1000,10000));
$scrout.="</td></tr></table>\n\n";	$scrout .= (' 'x2).&mt('[_1] Records per Page',$countselect).
	'</nobr>'.$/;
return $scrout;	return $scrout;
}	}

Line 793 sub viewoptions {	Line 844 sub viewoptions {

=pod	=pod

=item &get_persistent_form_data	=item searchhelp()

	Inputs: none

	Outputs: return little blurb on how to enter searches

	=cut

	######################################################################
	######################################################################
	sub searchhelp {
	return &mt('Enter terms or phrases separated by AND, OR, or NOT');
	}

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

	=pod

	=item &get_persistent_form_data()

Inputs: filename of database	Inputs: filename of database

Line 848 sub get_persistent_form_data {	Line 918 sub get_persistent_form_data {

=pod	=pod

=item &get_persistent_data	=item &get_persistent_data()

Inputs: filename of database, ref to array of values to recover.	Inputs: filename of database, ref to array of values to recover.

Line 899 Inputs: Hash of values to save, filename	Line 969 Inputs: Hash of values to save, filename

Store variables away to the %persistent_db.	Store variables away to the %persistent_db.
Values will be escaped. Values that are array pointers will have their	Values will be escaped. Values that are array pointers will have their
elements escaped and concatenated in a comma seperated string.	elements escaped and concatenated in a comma separated string.

=cut	=cut

Line 931 Inputs: filename of persistent database.	Line 1001 Inputs: filename of persistent database.

Store most form variables away to the %persistent_db.	Store most form variables away to the %persistent_db.
Values will be escaped. Values that are array pointers will have their	Values will be escaped. Values that are array pointers will have their
elements escaped and concatenated in a comma seperated string.	elements escaped and concatenated in a comma separated string.

=cut	=cut

Line 1007 sub parse_advanced_search {	Line 1077 sub parse_advanced_search {
$fillflag++;	$fillflag++;
}	}
}	}
unless ($fillflag) {	if (! $fillflag) {
&output_blank_field_error($r,$closebutton,'phase=disp_adv',$hidden_fields);	&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 1059 sub parse_advanced_search {	Line 1130 sub parse_advanced_search {
$pretty_search_string .=$font.'mime</font> contains <b>'.	$pretty_search_string .=$font.'mime</font> contains <b>'.
$searchphrase.'</b><br />';	$searchphrase.'</b><br />';
}	}
#####	#
# Evaluate option lists	# Evaluate option lists
if ($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 \"$ENV{'form.language'}\")";
Line 1098 sub parse_advanced_search {	Line 1169 sub parse_advanced_search {
# date query information.	# date query information.
push @queries,$datequery;	push @queries,$datequery;
}	}
	#
# Process form information for custom metadata querying	# Process form information for custom metadata querying
my $customquery=undef;	my $customquery=undef;
# if ($ENV{'form.custommetadata'}) {	##
# $pretty_search_string .=$font."Custom Metadata Search</font>: <b>".	## The custom metadata search was removed q long time ago mostly
# $ENV{'form.custommetadata'}."</b><br />\n";	## because I was unable to figureout exactly how it worked and could
# $customquery=&build_custommetadata_query('custommetadata',	## not imagine people actually using it. MH
# $ENV{'form.custommetadata'});	##
# }	# if ($ENV{'form.custommetadata'}) {
	# $pretty_search_string .=$font."Custom Metadata Search</font>: <b>".
	# $ENV{'form.custommetadata'}."</b><br />\n";
	# $customquery=&build_custommetadata_query('custommetadata',
	# $ENV{'form.custommetadata'});
	# }
my $customshow=undef;	my $customshow=undef;
# if ($ENV{'form.customshow'}) {	# if ($ENV{'form.customshow'}) {
# $pretty_search_string .=$font."Custom Metadata Display</font>: <b>".	# $pretty_search_string .=$font."Custom Metadata Display</font>: <b>".
# $ENV{'form.customshow'}."</b><br />\n";	# $ENV{'form.customshow'}."</b><br />\n";
# $customshow=$ENV{'form.customshow'};	# $customshow=$ENV{'form.customshow'};
# $customshow=~s/[^\w\s]//g;	# $customshow=~s/[^\w\s]//g;
# my @fields=split(/\s+/,$customshow);	# my @fields=split(/\s+/,$customshow);
# $customshow=join(" ",@fields);	# $customshow=join(" ",@fields);
# }	# }
## ---------------------------------------------------------------	##
## Deal with restrictions to given domains	## Deal with restrictions to given domains
##	##
my ($libraries_to_query,$pretty_domains_string) =	my ($libraries_to_query,$pretty_domains_string) =
Line 1145 sub parse_domain_restrictions {	Line 1222 sub parse_domain_restrictions {
} else {	} else {
@allowed_domains = ($ENV{'form.domains'});	@allowed_domains = ($ENV{'form.domains'});
}	}
	#
my %domain_hash = ();	my %domain_hash = ();
my $pretty_domains_string;	my $pretty_domains_string;
foreach (@allowed_domains) {	foreach (@allowed_domains) {
Line 1185 Parse the basic search form and return a	Line 1263 Parse the basic search form and return a
######################################################################	######################################################################
sub parse_basic_search {	sub parse_basic_search {
my ($r,$closebutton)=@_;	my ($r,$closebutton)=@_;
	#
# Clean up fields for safety	# Clean up fields for safety
for my $field ('basicexp') {	for my $field ('basicexp') {
$ENV{"form.$field"}=~s/[^\w\s\-]//g;	$ENV{"form.$field"}=~s/[^\w\s\-]//g;
Line 1197 sub parse_basic_search {	Line 1276 sub parse_basic_search {
}	}
my ($libraries_to_query,$pretty_domains_string) =	my ($libraries_to_query,$pretty_domains_string) =
&parse_domain_restrictions();	&parse_domain_restrictions();
# Check to see if enough is filled in	#
	# Check to see if enough of a query 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');
return OK;	return OK;
Line 1213 sub parse_basic_search {	Line 1293 sub parse_basic_search {
$pretty_search_string .= " with no related words.";	$pretty_search_string .= " with no related words.";
}	}
}	}
	#
# 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(',',
Line 1225 sub parse_basic_search {	Line 1306 sub parse_basic_search {
}	}
$pretty_search_string .= "<br />\n";	$pretty_search_string .= "<br />\n";
my $final_query = 'SELECT * FROM metadata WHERE '.$query;	my $final_query = 'SELECT * FROM metadata WHERE '.$query;
# &Apache::lonnet::logthis($final_query);	# &Apache::lonnet::logthis($final_query);
return ($final_query,$pretty_search_string,	return ($final_query,$pretty_search_string,
$libraries_to_query);	$libraries_to_query);
}	}


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

=pod	=pod

=item &related_version	=item &related_version()

Modifies an input string to include related words. Words in the string	Modifies an input string to include related words. Words in the string
are replaced with parenthesized lists of 'OR'd words. For example	are replaced with parenthesized lists of 'OR'd words. For example
Line 1433 sub build_date_queries {	Line 1513 sub build_date_queries {

=item &copyright_check()	=item &copyright_check()

	Inputs: $Metadata, a hash pointer of metadata for a resource.

	Returns: 1 if the resource is available to the user making the query,
	0 otherwise.

=cut	=cut

######################################################################	######################################################################
Line 1456 sub copyright_check {	Line 1541 sub copyright_check {
return 1;	return 1;
}	}


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

=pod	=pod

=item &ensure_db_and_table	=item &ensure_db_and_table()

Ensure we can get lonmysql to connect to the database and the table we	Ensure we can get lonmysql to connect to the database and the table we
need exists.	need exists.
Line 1518 sub ensure_db_and_table {	Line 1602 sub ensure_db_and_table {

=pod	=pod

=item &print_sort_form	=item &print_sort_form()

	The sort feature is not implemented at this time. This form just prints
	a link to change the search query.

=cut	=cut

Line 1619 the following format:	Line 1706 the following format:

#####################################################################	#####################################################################
#####################################################################	#####################################################################
	#
my @Datatypes =	# These should probably be scoped but I don't have time right now...
( { name => 'id',	#
type => 'MEDIUMINT',	my @Datatypes;
restrictions => 'UNSIGNED NOT NULL',	my @Fullindicies;
primary_key => 'yes',
auto_inc => 'yes' },
{ name => 'title', type=>'TEXT'},
{ name => 'author', type=>'TEXT'},
{ name => 'subject', type=>'TEXT'},
{ name => 'url', type=>'TEXT', restrictions => 'NOT NULL' },
{ name => 'keywords', type=>'TEXT'},
{ name => 'version', type=>'TEXT'},
{ name => 'notes', type=>'TEXT'},
{ name => 'abstract', type=>'TEXT'},
{ name => 'mime', type=>'TEXT'},
{ name => 'language', type=>'TEXT'},
{ name => 'owner', type=>'TEXT'},
{ name => 'copyright', type=>'TEXT'},
{ name => 'dependencies', 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'},
#--------------------------------------------------
{ name => 'creationdate', type=>'DATETIME'},
{ name => 'lastrevisiondate', type=>'DATETIME'},
#--------------------------------------------------
);

my @Fullindicies =
qw/title/;
# qw/title author subject abstract mime language owner copyright/;

######################################################################	######################################################################
######################################################################	######################################################################
Line 1693 Returns: the identifier of the table on	Line 1730 Returns: the identifier of the table on

######################################################################	######################################################################
######################################################################	######################################################################
	sub set_up_table_structure {
	my ($datatypes,$fullindicies) =
	&LONCAPA::lonmetadata::describe_metadata_storage();
	# Copy the table description before modifying it...
	@Datatypes = @{$datatypes};
	unshift(@Datatypes,{name => 'id',
	type => 'MEDIUMINT',
	restrictions => 'UNSIGNED NOT NULL',
	primary_key => 'yes',
	auto_inc => 'yes' });
	@Fullindicies = @{$fullindicies};
	return;
	}

sub create_results_table {	sub create_results_table {
	&set_up_table_structure();
my $table = &Apache::lonmysql::create_table	my $table = &Apache::lonmysql::create_table
( { columns => \@Datatypes,	( { columns => \@Datatypes,
FULLTEXT => [{'columns' => \@Fullindicies},],	FULLTEXT => [{'columns' => \@Fullindicies},],
Line 1750 sub update_status {	Line 1802 sub update_status {
$r->rflush();	$r->rflush();
}	}

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

	sub reset_timing {
	$start_time = 0;
	$last_time = 0;
	}

	sub time_left {
	if ($start_time == 0) {
	$start_time = time;
	}
	my $time_left = $max_time - (time - $start_time);
	$time_left = 0 if ($time_left < 0);
	return $time_left;
	}

sub update_seconds {	sub update_seconds {
my ($r,$text) = @_;	my ($r) = @_;
$text =~ s/\'/\\\'/g;	my $time = &time_left();
$r->print	if (($last_time-$time) > 0) {
("<script>document.statusform.seconds.value = ' $text'</script>\n");	$r->print("<script>".
$r->rflush();	"document.statusform.seconds.value = '$time'".
	"</script>\n");
	$r->rflush();
	}
	$last_time = $time;
	}

}	}

######################################################################	######################################################################
Line 1763 sub update_seconds {	Line 1840 sub update_seconds {

=pod	=pod

=item &revise_button	=item &revise_button()

Inputs: None	Inputs: None

Line 1790 sub revise_button {	Line 1867 sub revise_button {

=pod	=pod

=item &run_search	=item &run_search()

	Executes a search query by sending it the the other servers and putting the
	results into MySQL.

=cut	=cut

Line 1801 sub run_search {	Line 1881 sub run_search {
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);	my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
my $connection = $r->connection;	my $connection = $r->connection;
#	#
# Timing variables
#
my $starttime = time;
my $max_time = 30; # seconds for the search to complete
#
# Print run_search header	# Print run_search header
#	#
$r->print(<<END);	$r->print(<<END);
Line 1822 END	Line 1897 END
if (@Lines > 2) {	if (@Lines > 2) {
$pretty_string = join '<br \>',(@Lines[0..2],'....<br />');	$pretty_string = join '<br \>',(@Lines[0..2],'....<br />');
}	}
$r->print(&mt("Search").": ".$pretty_string);	$r->print(&mt("Search: [_1]",$pretty_string));
$r->rflush();	$r->rflush();
#	#
# Determine the servers we need to contact.	# Determine the servers we need to contact.
#
my @Servers_to_contact;	my @Servers_to_contact;
if (defined($serverlist)) {	if (defined($serverlist)) {
if (ref($serverlist) eq 'ARRAY') {	if (ref($serverlist) eq 'ARRAY') {
Line 1838 END	Line 1912 END
@Servers_to_contact = sort(keys(%Apache::lonnet::libserv));	@Servers_to_contact = sort(keys(%Apache::lonnet::libserv));
}	}
my %Server_status;	my %Server_status;
	#
	# Check on the mysql table we will use to store results.
my $table =$ENV{'form.table'};	my $table =$ENV{'form.table'};
if (! defined($table) \|\| $table eq '' \|\| $table =~ /\D/ ) {	if (! defined($table) \|\| $table eq '' \|\| $table =~ /\D/ ) {
$r->print("Unable to determine table id to store search results in.".	$r->print("Unable to determine table id to store search results in.".
Line 1854 END	Line 1930 END
return;	return;
}	}
if (! $table_status) {	if (! $table_status) {
	&Apache::lonnet::logthis("lonmysql error = ".
	&Apache::lonmysql::get_error());
	&Apache::lonnet::logthis("lonmysql debug = ".
	&Apache::lonmysql::get_debug());
	&Apache::lonnet::logthis('table status = "'.$table_status.'"');
$r->print("The table id,$table, we tried to use is invalid.".	$r->print("The table id,$table, we tried to use is invalid.".
"The search has been aborted.</body></html>");	"The search has been aborted.</body></html>");
return;	return;
}	}
##	##
## Prepare for the big loop.	## Prepare for the big loop.
##
my $hitcountsum;	my $hitcountsum;
my $server;	my $server;
my $status;	my $status;
Line 1878 END	Line 1958 END
</form>	</form>
END	END
$r->rflush();	$r->rflush();
my $time_remaining = $max_time - (time - $starttime) ;	&reset_timing();
my $last_time = $time_remaining;	&update_seconds($r);
&update_seconds($r,$time_remaining);	&update_status($r,&mt('contacting [_1]',$Servers_to_contact[0]));
&update_status($r,'contacting '.$Servers_to_contact[0]);	while (&time_left() &&
while (($time_remaining > 0) &&
((@Servers_to_contact) \|\| keys(%Server_status))) {	((@Servers_to_contact) \|\| keys(%Server_status))) {
# Send out a search request if it needs to be done.	&update_seconds($r);
	#
	# Send out a search request
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').' '.$server);	&update_status($r,&mt('contacting [_1]',$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);
Line 1900 END	Line 1981 END
# left to contact.	# left to contact.
if (scalar (keys(%Server_status))) {	if (scalar (keys(%Server_status))) {
&update_status($r,	&update_status($r,
&mt('waiting on').' '.(join(' ',keys(%Server_status))));	&mt('waiting on [_1]',join(' ',keys(%Server_status))));
}	}
sleep(1);	sleep(1);
}	}
#	#
#
# Loop through the servers we have contacted but do not	# Loop through the servers we have contacted but do not
# have results from yet, looking for results.	# 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());
	&update_seconds($r);
if ($status eq 'con_lost') {	if ($status eq 'con_lost') {
delete ($Server_status{$server});	delete ($Server_status{$server});
next;	next;
Line 1917 END	Line 1998 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($r,&mt('Receiving results from').' '.$server);	&update_status($r,&mt('Receiving results from [_1]',$server));
next;	next;
}	}
last if ($connection->aborted());	last if ($connection->aborted());
if (-e "$datafile.end") {	if (-e "$datafile.end") {
&update_status($r,&mt('Reading results from').' '.$server);	&update_status($r,&mt('Reading results from [_1]',$server));
if (-z "$datafile") {	if (-z "$datafile") {
delete($Server_status{$server});	delete($Server_status{$server});
next;	next;
Line 1937 END	Line 2018 END
# Read in the whole file.	# Read in the whole file.
while (my $result = <$fh>) {	while (my $result = <$fh>) {
last if ($connection->aborted());	last if ($connection->aborted());
# handle custom fields? Someday we will!	#
	# Records are stored one per line
chomp($result);	chomp($result);
next unless $result;	next if (! $result);
	#
# Parse the result.	# Parse the result.
my %Fields = &parse_raw_result($result,$server);	my %Fields = &parse_raw_result($result,$server);
$Fields{'hostname'} = $server;	$Fields{'hostname'} = $server;
	#
	# Skip based on copyright
next if (! &copyright_check(\%Fields));	next if (! &copyright_check(\%Fields));
	#
# Store the result in the mysql database	# Store the result in the mysql database
my $result = &Apache::lonmysql::store_row($table,\%Fields);	my $result = &Apache::lonmysql::store_row($table,\%Fields);
if (! defined($result)) {	if (! defined($result)) {
$r->print(&Apache::lonmysql::get_error());	$r->print(&Apache::lonmysql::get_error());
}	}
# $r->print(&Apache::lonmysql::get_debug());	#
$hitcountsum ++;	$hitcountsum ++;
$time_remaining = $max_time - (time - $starttime) ;	&update_seconds($r);
if ($last_time - $time_remaining > 0) {
&update_seconds($r,$time_remaining);
$last_time = $time_remaining;
}
if ($hitcountsum % 50 == 0) {	if ($hitcountsum % 50 == 0) {
&update_count_status($r,$hitcountsum);	&update_count_status($r,$hitcountsum);
}	}
} # End of foreach (@results)	}
$fh->close();	$fh->close();
# $server is only deleted if the results file has been	# $server is only deleted if the results file has been
# found and (successfully) opened. This may be a bad idea.	# found and (successfully) opened. This may be a bad idea.
Line 1969 END	Line 2051 END
&update_count_status($r,$hitcountsum);	&update_count_status($r,$hitcountsum);
}	}
last if ($connection->aborted());	last if ($connection->aborted());
# Finished looping through the servers	&update_seconds($r);
$starttime = time if (@Servers_to_contact);
$time_remaining = $max_time - (time - $starttime) ;
if ($last_time - $time_remaining > 0) {
$last_time = $time_remaining;
&update_seconds($r,$time_remaining);
}
}	}
&update_status($r,&mt('Search Complete').$server);	&update_status($r,&mt('Search Complete [_1]',$server));
&update_seconds($r,0);	&update_seconds($r);
&Apache::lonmysql::disconnect_from_db();	#
	&Apache::lonmysql::disconnect_from_db(); # This is unneccessary
	#
# We have run out of time or run out of servers to talk to and	# We have run out of time or run out of servers to talk to and
# results to get.	# results to get, so let the client know the top frame needs to be
	# loaded from /adm/searchcat
$r->print("</body></html>");	$r->print("</body></html>");
if ($ENV{'form.catalogmode'} ne 'groupsearch') {	if ($ENV{'form.catalogmode'} ne 'groupsearch') {
$r->print("<script>".	$r->print("<script>".
Line 1995 END	Line 2074 END

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

=pod	=pod

=item &prev_next_buttons	=item &prev_next_buttons()

	Returns html for the previous and next buttons on the search results page.

=cut	=cut

Line 2006 END	Line 2088 END
sub prev_next_buttons {	sub prev_next_buttons {
my ($current_min,$show,$total,$parms) = @_;	my ($current_min,$show,$total,$parms) = @_;
return '' if ($show eq 'all'); # No links if you get them all at once.	return '' if ($show eq 'all'); # No links if you get them all at once.
my $links;	#
##	# Create links
## Prev
my $prev_min = $current_min - $show;	my $prev_min = $current_min - $show;
$prev_min = 1 if $prev_min < 1;	$prev_min = 1 if $prev_min < 1;
if ($prev_min < $current_min) {	my $prevlink =
$links .= qq{	qq{<a href="/adm/searchcat?$parms&start=$prev_min&show=$show">};
<a href="/adm/searchcat?$parms&start=$prev_min&show=$show">prev</a>	#
};
} else {
$links .= 'prev';
}
##
## Pages.... Someday.
##
$links .= qq{
<a href="/adm/searchcat?$parms&start=$current_min&$show=$show">reload</a>
};
##
## Next
my $next_min = $current_min + $show;	my $next_min = $current_min + $show;
$next_min = $current_min if ($next_min > $total);	$next_min = $current_min if ($next_min > $total);
if ($next_min != $current_min) {	my $nextlink =
$links .= qq{	qq{<a href="/adm/searchcat?$parms&start=$next_min&show=$show">};
<a href="/adm/searchcat?$parms&start=$next_min&show=$show">next</a>	my $reloadlink =
};	qq{<a href="/adm/searchcat?$parms&start=$current_min&$show=$show">};
} else {	#
$links .= ' next';	# Determine which parameters to pass
}	my $String = '[_1]prev[_2]   [_3]reload[_4]   [_5]next[_6]';
	if ($prev_min == $current_min) {
	$String =~ s:\[_[12]\]::g;
	}
	if ($next_min == $current_min) {
	$String =~ s:\[_[56]\]::g;
	}
	my $links = &mt($String,
	$prevlink, '</a>',
	$reloadlink,'</a>',
	$nextlink, '</a>');
return $links;	return $links;
}	}

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

=pod	=pod

=item &display_results	=item &display_results()

	Prints the results out for selection and perusal.

=cut	=cut

Line 2070 sub display_results {	Line 2152 sub display_results {
##	##
my $action = "/adm/searchcat?phase=results";	my $action = "/adm/searchcat?phase=results";
##	##
## Deal with groupsearch	## Deal with groupsearch by opening the groupsearch db file.
##
if ($ENV{'form.catalogmode'} eq 'groupsearch') {	if ($ENV{'form.catalogmode'} eq 'groupsearch') {
if (! tie(%groupsearch_db,'GDBM_File',$diropendb,	if (! tie(%groupsearch_db,'GDBM_File',$diropendb,
&GDBM_WRCREAT(),0640)) {	&GDBM_WRCREAT(),0640)) {
Line 2082 sub display_results {	Line 2163 sub display_results {
}	}
##	##
## Prepare the table for querying	## Prepare the table for querying
##
my $table = $ENV{'form.table'};	my $table = $ENV{'form.table'};
return if (! &ensure_db_and_table($r,$table));	return if (! &ensure_db_and_table($r,$table));
##	##
## Get the number of results	## Get the number of results
##
my $total_results = &Apache::lonmysql::number_of_rows($table);	my $total_results = &Apache::lonmysql::number_of_rows($table);
if (! defined($total_results)) {	if (! defined($total_results)) {
$r->print("A MySQL error has occurred.</form></body></html>");	$r->print("A MySQL error has occurred.</form></body></html>");
Line 2098 sub display_results {	Line 2177 sub display_results {
}	}
##	##
## Determine how many results we need to get	## Determine how many results we need to get
##
$ENV{'form.start'} = 1 if (! exists($ENV{'form.start'}));	$ENV{'form.start'} = 1 if (! exists($ENV{'form.start'}));
$ENV{'form.show'} = 'all' if (! exists($ENV{'form.show'}));	$ENV{'form.show'} = 'all' if (! exists($ENV{'form.show'}));
my $min = $ENV{'form.start'};	my $min = $ENV{'form.start'};
Line 2111 sub display_results {	Line 2189 sub display_results {
}	}
##	##
## Output links (if necessary) for 'prev' and 'next' pages.	## Output links (if necessary) for 'prev' and 'next' pages.
##
$r->print	$r->print
('<center>'.	('<center>'.
&prev_next_buttons($min,$ENV{'form.show'},$total_results,	&prev_next_buttons($min,$ENV{'form.show'},$total_results,
Line 2121 sub display_results {	Line 2198 sub display_results {
."</center>\n"	."</center>\n"
);	);
if ($total_results == 0) {	if ($total_results == 0) {
$r->print('<meta HTTP-EQUIV="Refresh" CONTENT="1">'.	$r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2">'.
'<h3>'.&mt('There are currently no results').'.</h3>'.	'<h3>'.&mt('There are currently no results').'.</h3>'.
"</form></body></html>");	"</form></body></html>");
return;	return;
Line 2131 sub display_results {	Line 2208 sub display_results {
}	}
##	##
## Get results from MySQL table	## Get results from MySQL table
##
my @Results = &Apache::lonmysql::get_rows($table,	my @Results = &Apache::lonmysql::get_rows($table,
'id>='.$min.' AND id<='.$max);	'id>='.$min.' AND id<='.$max);
##	##
## Loop through the results and output them.	## Loop through the results and output them.
##
foreach my $row (@Results) {	foreach my $row (@Results) {
if ($connection->aborted()) {	if ($connection->aborted()) {
&cleanup();	&cleanup();
Line 2144 sub display_results {	Line 2219 sub display_results {
}	}
my %Fields = %{&parse_row(@$row)};	my %Fields = %{&parse_row(@$row)};
my $output="<p>\n";	my $output="<p>\n";
	if (! defined($Fields{'title'}) \|\| $Fields{'title'} eq '') {
	$Fields{'title'} = 'Untitled';
	}
my $prefix=&catalogmode_output($Fields{'title'},$Fields{'url'},	my $prefix=&catalogmode_output($Fields{'title'},$Fields{'url'},
$Fields{'id'},$checkbox_num++);	$Fields{'id'},$checkbox_num++);
# Render the result into html	# Render the result into html
Line 2214 END	Line 2292 END

=pod	=pod

=item &parse_row	=item &parse_row()

Parse a row returned from the database.	Parse a row returned from the database.

Line 2225 Parse a row returned from the database.	Line 2303 Parse a row returned from the database.
sub parse_row {	sub parse_row {
my @Row = @_;	my @Row = @_;
my %Fields;	my %Fields;
	if (! scalar(@Datatypes)) {
	&set_up_table_structure();
	}
for (my $i=0;$i<=$#Row;$i++) {	for (my $i=0;$i<=$#Row;$i++) {
$Fields{$Datatypes[$i]->{'name'}}=&Apache::lonnet::unescape($Row[$i]);	$Fields{$Datatypes[$i]->{'name'}}=&Apache::lonnet::unescape($Row[$i]);
}	}
Line 2260 The 'title' field is set to "Untitled" i	Line 2341 The 'title' field is set to "Untitled" i
###########################################################	###########################################################
sub parse_raw_result {	sub parse_raw_result {
my ($result,$hostname) = @_;	my ($result,$hostname) = @_;
# conclude from self to others regarding fields	# conclude from self to others regarding fields
my %Fields=&Apache::lonmeta::metadata_col_to_hash(	my %Fields=&LONCAPA::lonmetadata::metadata_col_to_hash
map {	(map {
&Apache::lonnet::unescape($_);	&Apache::lonnet::unescape($_);
} (split(/\,/,$result))	} (split(/\,/,$result)) );
);
return %Fields;	return %Fields;
}	}

Line 2315 sub handle_custom_fields {	Line 2395 sub handle_custom_fields {

=pod	=pod

=item &search_results_header	=item &search_results_header()

Output the proper html headers and javascript code to deal with different	Output the proper html headers and javascript code to deal with different
calling modes.	calling modes.
Line 2517 ENDFRAMES	Line 2597 ENDFRAMES
=item Metadata Viewing Functions	=item Metadata Viewing Functions

Output is a HTML-ified string.	Output is a HTML-ified string.

Input arguments are title, author, subject, url, keywords, version,	Input arguments are title, author, subject, url, keywords, version,
notes, short abstract, mime, language, creation date,	notes, short abstract, mime, language, creation date,
last revision date, owner, copyright, hostname, and	last revision date, owner, copyright, hostname, and
Line 2658 END	Line 2739 END
######################################################################	######################################################################
sub xml_sgml_view {	sub xml_sgml_view {
my ($prefix,%values) = @_;	my ($prefix,%values) = @_;
	my $xml = <<END;
	<LonCapaResource>
	<url>$values{'url'}</url>
	<title>$values{'title'}</title>
	<author>$values{'author'}</author>
	<subject>$values{'subject'}</subject>
	<keywords>$values{'keywords'}</keywords>
	<notes>$values{'notes'}</notes>
	<mimeInfo>
	<mime>$values{'mime'}</mime>
	<mimetag>$values{'mimetag'}</mimetag>
	</mimeInfo>
	<languageInfo>
	<language>$values{'language'}</language>
	<languagetag>$values{'languagetag'}</languagetag>
	</languageInfo>
	<creationdate>$values{'creationdate'}</creationdate>
	<lastrevisiondate>$values{'lastrevisiondate'}</lastrevisiondate>
	<owner>$values{'owner'}</owner>
	<copyrightInfo>
	<copyright>$values{'copyright'}</copyright>
	<copyrighttag>$values{'copyrighttag'}</copyrighttag>
	</copyrightInfo>
	<repositoryLocation>$values{'hostname'}</repositoryLocation>
	<shortabstract>$values{'shortabstract'}</shortabstract>
	</LonCapaResource>
	END
	$xml = &HTML::Entities::encode($xml,'<>&');
my $result=<<END;	my $result=<<END;
$prefix	$prefix
<pre>	<pre>
<LonCapaResource>	$xml
<url>$values{'url'}</url>
<title>$values{'title'}</title>
<author>$values{'author'}</author>
<subject>$values{'subject'}</subject>
<keywords>$values{'keywords'}</keywords>
<notes>$values{'notes'}</notes>
<mimeInfo>
<mime>$values{'mime'}</mime>
<mimetag>$values{'mimetag'}</mimetag>
</mimeInfo>
<languageInfo>
<language>$values{'language'}</language>
<languagetag>$values{'languagetag'}</languagetag>
</languageInfo>
<creationdate>$values{'creationdate'}</creationdate>
<lastrevisiondate>$values{'lastrevisiondate'}</lastrevisiondate>
<owner>$values{'owner'}</owner>
<copyrightInfo>
<copyright>$values{'copyright'}</copyright>
<copyrighttag>$values{'copyrighttag'}</copyrighttag>
</copyrightInfo>
<repositoryLocation>$values{'hostname'}</repositoryLocation>
<shortabstract>$values{'shortabstract'}</shortabstract>
</LonCapaResource>
</pre>	</pre>
$values{'extrashow'}	$values{'extrashow'}
<hr align='left' width='200' noshade />	<hr align='left' width='200' noshade />
Line 2707 END	Line 2792 END
sub filled {	sub filled {
my ($field)=@_;	my ($field)=@_;
if ($field=~/\S/ && $field ne 'any') {	if ($field=~/\S/ && $field ne 'any') {
return 1;	return 1;
}	} else {
else {	return 0;
return 0;
}	}
}	}

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

Removed from v.1.200
changed lines
	Added in v.1.215