printable

#!/usr/bin/perl

# CGI script provides search page of Textpresso system
#
# Copyright (c) Hans-Michael Muller 2007.

use strict;
# The following line needs adjustments for each implementation
use lib "/usr/local/lib/textpresso/displaying/ecoli/";
# end line that needs adjustments
use CGI;
use POSIX;
use TextpressoDisplayGlobals;
use TextpressoDisplayTasks;
use TextpressoDatabaseGlobals;
use TextpressoDatabaseQuery;
use TextpressoDatabaseSearch;

my $query = new CGI;
my $myself = $query->url(-absolute => 1);
(my $base = $query->url(-base => 1)) =~ s/http\:\/\///g;
my @cookies = ();
foreach my $opt (keys % {(DB_DISPLAY_FIELDS)}, 'supplementals', 'epp', 'matches') {
    if (defined($query->param("disp_$opt"))) {
	push @cookies, $query->cookie( -name => "opt_$opt",
				       -value => $query->param("disp_$opt"),
				       -domain => $base,
				       -expires => '+365d');
    }
}

my $location = PrintTop($query, $myself, 0, @cookies);

########################################################
# Read in the HTML links up-front
my $infile = "<" . HTML_LINKTEMPLATES;
my @regexps = ();
my @urls = ();
my @explanations = ();
open (IN, $infile);
while (my $line = <IN>) {
    chomp ($line);
    next if (!($line =~ /^http/));
    (my $u, my $r, my $e) = split (/[ \t]+/, $line);
    push @urls, $u;
    push @regexps, $r;
    push @explanations, $e;
}
########################################################

# Process form here

my $starttime = time();
my $tpquery;
my %results;

foreach my $opt (keys % {(DB_DISPLAY_FIELDS)}, 'supplementals', 'epp', 'matches') {
    if ((defined($query->cookie("opt_$opt")) && (!defined($query->param("disp_$opt"))))) {
	$query->param(-name => "disp_$opt",
		      -value => $query->cookie("opt_$opt"));
    }
}

if (defined($query->param('dodisplayquery'))) {
    ($tpquery, my $dummy) = ParseInputFields($query, "");
}
    
my $filteredfilename = $query->param('filteredfilename');
%results = textpressosearch($tpquery, 0, $filteredfilename, $query->param('mode'));
my %ltk = littgtkey(\%results);  # this also `cleans' up empty entries of results
my @ltks = keys % ltk;
my $doctotal = scalar(@ltks);
my $clstrtotal = 0;
foreach my $l (@ltks) {
    $clstrtotal += scalar (@{$ltk{$l}});
}

# End of process form

# Print output here

if (defined($query->param('dodisplayquery'))) {
    print CreateQueryDisplay($query, $tpquery);
    print $query->p;
}

if (%results) {

    my @highlightkeywords = makehighlightterms($tpquery, 'keyword') if ($query->param("disp_searchterm-highlighting") eq 'on');
    my %invlist = preparesortresults(\%ltk, \%results, $query->param('sort'));
    my @sorted = ();
    if ($query->param('sort') =~ /(score|hits|year)/i) {
	@sorted = (sort numerically keys % invlist);
    } else {
	@sorted = (sort alphabetically keys % invlist);
    }

    print $query->hr;
    
    if ($doctotal < 500) {
	
	print $query->span({-style => "font-weight:bold;"}, "$clstrtotal matches found in $doctotal documents. ");
	print $query->span({-style => "font-weight:bold;"}, "Results sorted by ", $query->param('sort'), ".");
	
	my $resulttable = new TextpressoTable;
	$resulttable->init;
	$resulttable->addtablerow();
	foreach my $k (@sorted) {
	    foreach my $l (sort @{$invlist{$k}}) {
		my $entrytable = new TextpressoTable;
		$entrytable->init;
		my $score = 0;
		(my $lit, my $tgt, my $key) = split(/\ -\ /, $l);
		foreach my $clstr (@{$ltk{$l}}) {
		    $score += $results{$lit}{$key}{$tgt}{$clstr};
		}
		my @highlights = (@highlightkeywords, makehighlightterms($tpquery, 'category', $lit, $tgt, $key)) if ($query->param("disp_searchterm-highlighting") eq 'on');
		my $rightcontent = $query->div({-align => "right"}, 
					       $query->span({-style => "font-weight:bold;"}, "Score: ") . sprintf("%4.2f", $score));
		$entrytable->addtablerow($rightcontent);
		my $var = "(" . join("|", @highlights) . ")";
		makeentry($query, $entrytable, $l, \@{$ltk{$l}}, \%results, \@urls, \@regexps, \@explanations, $var);
		$resulttable->addtablerow($entrytable->maketable($query, tablestyle => 'borderless', 
								 DSP_HDRCOLOR => 'black', DSP_HDRSIZE => '75%',
								 width => "100%"));
	    }
	}
	print $resulttable->maketable($query, 
				      tablestyle => 'headerbackground', cellspacing => '0',
				      cellpadding => '0', border => '1',
				      DSP_HDRBCKGRND => '#696969', width => "100%");
    } else {
	print $query->span({-style => "font-weight:bold;"}, "$doctotal documents: too many entries! Aborting!");
    }

}

# End print output 

my $extramessage = "All rights reserved.";
PrintBottom($query, $extramessage);

sub numerically { $b <=> $a }
sub alphabetically { $a cmp $b }