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497 lines
20 KiB
497 lines
20 KiB
#!/usr/bin/perl
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# Script to perform searching
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# Mostly copied from search.pl, see POD there
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use strict; # always use
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## STEP 1. Load things that are used in both search page and
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# results page and decide which template to load, operations
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# to perform, etc.
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## load Koha modules
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use C4::Context;
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use C4::Output;
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use C4::Auth;
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use C4::Search;
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use C4::Koha;
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use POSIX qw(ceil floor);
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use C4::Branch; # GetBranches
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# create a new CGI object
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# FIXME: no_undef_params needs to be tested
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use CGI qw('-no_undef_params');
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my $cgi = new CGI;
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my ($template,$borrowernumber,$cookie);
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# decide which template to use
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my $template_name;
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my $template_type;
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my @params = $cgi->param("limit");
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my $build_grouped_results = C4::Context->preference('OPACGroupResults');
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if ($build_grouped_results) {
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$template_name = 'opac-results-grouped.tmpl';
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}
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elsif ((@params>=1) || ($cgi->param("q")) || ($cgi->param('multibranchlimit')) || ($cgi->param('limit-yr')) ) {
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$template_name = 'opac-results.tmpl';
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}
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else {
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$template_name = 'opac-advsearch.tmpl';
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$template_type = 'advsearch';
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}
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# load the template
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($template, $borrowernumber, $cookie) = get_template_and_user({
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template_name => $template_name,
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query => $cgi,
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type => "opac",
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authnotrequired => 1,
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}
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);
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if (C4::Context->preference("marcflavour") eq "UNIMARC" ) {
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$template->param('UNIMARC' => 1);
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}
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## URI Re-Writing
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# Deprecated, but preserved because it's interesting :-)
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# The same thing can be accomplished with mod_rewrite in
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# a more elegant way
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#
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#my $rewrite_flag;
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#my $uri = $cgi->url(-base => 1);
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#my $relative_url = $cgi->url(-relative=>1);
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#$uri.="/".$relative_url."?";
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#warn "URI:$uri";
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#my @cgi_params_list = $cgi->param();
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#my $url_params = $cgi->Vars;
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#
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#for my $each_param_set (@cgi_params_list) {
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# $uri.= join "", map "\&$each_param_set=".$_, split("\0",$url_params->{$each_param_set}) if $url_params->{$each_param_set};
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#}
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#warn "New URI:$uri";
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# Only re-write a URI if there are params or if it already hasn't been re-written
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#unless (($cgi->param('r')) || (!$cgi->param()) ) {
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# print $cgi->redirect( -uri=>$uri."&r=1",
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# -cookie => $cookie);
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# exit;
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#}
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# load the branches
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my $branches = GetBranches();
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my @branch_loop;
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for my $branch_hash (sort keys %$branches) {
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push @branch_loop, {value => "$branch_hash" , branchname => $branches->{$branch_hash}->{'branchname'}, };
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}
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my $categories = GetBranchCategories(undef,'searchdomain');
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$template->param(branchloop => \@branch_loop, searchdomainloop => $categories);
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# load the itemtypes
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my $itemtypes = GetItemTypes;
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my @itemtypesloop;
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my $selected=1;
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my $cnt;
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my $imgdir = getitemtypeimagesrc();
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foreach my $thisitemtype ( sort {$itemtypes->{$a}->{'description'} cmp $itemtypes->{$b}->{'description'} } keys %$itemtypes ) {
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my %row =( number=>$cnt++,
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imageurl=> $itemtypes->{$thisitemtype}->{'imageurl'}?($imgdir."/".$itemtypes->{$thisitemtype}->{'imageurl'}):"",
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code => $thisitemtype,
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selected => $selected,
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description => $itemtypes->{$thisitemtype}->{'description'},
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count5 => $cnt % 4,
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);
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$selected = 0 if ($selected) ;
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push @itemtypesloop, \%row;
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}
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$template->param(itemtypeloop => \@itemtypesloop);
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# # load the itypes (Called item types in the template -- just authorized values for searching)
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# my ($itypecount,@itype_loop) = GetCcodes();
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# $template->param(itypeloop=>\@itype_loop,);
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# The following should only be loaded if we're bringing up the advanced search template
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if ( $template_type eq 'advsearch' ) {
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# load the servers (used for searching -- to do federated searching, etc.)
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my $primary_servers_loop;# = displayPrimaryServers();
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$template->param(outer_servers_loop => $primary_servers_loop,);
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my $secondary_servers_loop;# = displaySecondaryServers();
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$template->param(outer_sup_servers_loop => $secondary_servers_loop,);
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# determine what to display next to the search boxes (ie, boolean option
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# shouldn't appear on the first one, scan indexes should, adding a new
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# box should only appear on the last, etc.
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my @search_boxes_array;
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my $search_boxes_count = C4::Context->preference("OPACAdvSearchInputCount") | 3; # FIXME: should be a syspref
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for (my $i=1;$i<=$search_boxes_count;$i++) {
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# if it's the first one, don't display boolean option, but show scan indexes
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if ($i==1) {
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push @search_boxes_array,
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{
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scan_index => 1,
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};
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}
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# if it's the last one, show the 'add field' box
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elsif ($i==$search_boxes_count) {
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push @search_boxes_array,
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{
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boolean => 1,
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add_field => 1,
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};
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}
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else {
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push @search_boxes_array,
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{
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boolean => 1,
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};
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}
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}
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$template->param(uc(C4::Context->preference("marcflavour")) => 1,
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advsearch => 1,
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search_boxes_loop => \@search_boxes_array);
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# use the global setting by default
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if ( C4::Context->preference("expandedSearchOption") == 1) {
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$template->param( expanded_options => C4::Context->preference("expandedSearchOption") );
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}
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# but let the user override it
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if ( ($cgi->param('expanded_options') == 0) || ($cgi->param('expanded_options') == 1 ) ) {
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$template->param( expanded_options => $cgi->param('expanded_options'));
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}
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output_html_with_http_headers $cgi, $cookie, $template->output;
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exit;
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}
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### OK, if we're this far, we're performing an actual search
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# Fetch the paramater list as a hash in scalar context:
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# * returns paramater list as tied hash ref
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# * we can edit the values by changing the key
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# * multivalued CGI paramaters are returned as a packaged string separated by "\0" (null)
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my $params = $cgi->Vars;
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# Params that can have more than one value
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# sort by is used to sort the query
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# in theory can have more than one but generally there's just one
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my @sort_by;
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my $default_sort_by = C4::Context->preference('OPACdefaultSortField')."_".C4::Context->preference('OPACdefaultSortOrder')
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if (C4::Context->preference('OPACdefaultSortField') && C4::Context->preference('OPACdefaultSortOrder'));
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@sort_by = split("\0",$params->{'sort_by'}) if $params->{'sort_by'};
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$sort_by[0] = $default_sort_by unless $sort_by[0];
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foreach my $sort (@sort_by) {
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$template->param($sort => 1);
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}
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$template->param('sort_by' => $sort_by[0]);
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# Use the servers defined, or just search our local catalog(default)
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my @servers;
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@servers = split("\0",$params->{'server'}) if $params->{'server'};
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unless (@servers) {
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#FIXME: this should be handled using Context.pm
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@servers = ("biblioserver");
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# @servers = C4::Context->config("biblioserver");
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}
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# operators include boolean and proximity operators and are used
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# to evaluate multiple operands
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my @operators;
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@operators = split("\0",$params->{'op'}) if $params->{'op'};
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# indexes are query qualifiers, like 'title', 'author', etc. They
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# can be single or multiple parameters separated by comma: kw,right-Truncation
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my @indexes = split("\0",$params->{'idx'});
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# if a simple index (only one) display the index used in the top search box
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if ($indexes[0] && !$indexes[1]) {
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$template->param("ms_".$indexes[0] => 1);
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}
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# an operand can be a single term, a phrase, or a complete ccl query
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my @operands;
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@operands = split("\0",$params->{'q'}) if $params->{'q'};
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# if a simple search, display the value in the search box
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if ($operands[0] && !$operands[1]) {
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$template->param(ms_value => $operands[0]);
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}
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# limits are use to limit to results to a pre-defined category such as branch or language
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my @limits;
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@limits = split("\0",$params->{'limit'}) if $params->{'limit'};
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if($params->{'multibranchlimit'}) {
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push @limits, join(" or ", map { "branch: $_ "} @{GetBranchesInCategory($params->{'multibranchlimit'})}) ;
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}
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my $available;
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foreach my $limit(@limits) {
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if ($limit =~/available/) {
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$available = 1;
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}
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}
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$template->param(available => $available);
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# append year limits if they exist
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if ($params->{'limit-yr'}) {
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if ($params->{'limit-yr'} =~ /\d{4}-\d{4}/) {
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my ($yr1,$yr2) = split(/-/, $params->{'limit-yr'});
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push @limits, "yr,st-numeric,ge=$yr1 and yr,st-numeric,le=$yr2";
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}
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elsif ($params->{'limit-yr'} =~ /\d{4}/) {
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push @limits, "yr,st-numeric=$params->{'limit-yr'}";
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}
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else {
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#FIXME: Should return a error to the user, incorect date format specified
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}
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}
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# Params that can only have one value
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my $scan = $params->{'scan'};
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my $count = C4::Context->preference('OPACnumSearchResults') || 20;
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my $results_per_page = $params->{'count'} || $count;
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my $offset = $params->{'offset'} || 0;
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my $page = $cgi->param('page') || 1;
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#my $offset = ($page-1)*$results_per_page;
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my $hits;
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my $expanded_facet = $params->{'expand'};
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# Define some global variables
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my ($error,$query,$simple_query,$query_cgi,$query_desc,$limit,$limit_cgi,$limit_desc,$stopwords_removed,$query_type);
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my @results;
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## I. BUILD THE QUERY
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( $error,$query,$simple_query,$query_cgi,$query_desc,$limit,$limit_cgi,$limit_desc,$stopwords_removed,$query_type) = buildQuery(\@operators,\@operands,\@indexes,\@limits,\@sort_by);
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sub _input_cgi_parse ($) {
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my @elements;
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for my $this_cgi ( split('&',shift) ) {
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next unless $this_cgi;
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$this_cgi =~ /(.*)=(.*)/;
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my $input_name = $1;
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my $input_value = $2;
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push @elements, { input_name => $input_name, input_value => $input_value };
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}
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return @elements;
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}
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## parse the query_cgi string and put it into a form suitable for <input>s
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my @query_inputs = _input_cgi_parse($query_cgi);
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$template->param ( QUERY_INPUTS => \@query_inputs );
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## parse the limit_cgi string and put it into a form suitable for <input>s
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my @limit_inputs = _input_cgi_parse($limit_cgi);
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# add OPAC 'hidelostitems'
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if (C4::Context->preference('hidelostitems') == 1) {
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# either lost ge 0 or no value in the lost register
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$query ="($query) and ( (lost,st-numeric <= 0) or ( allrecords,AlwaysMatches='' not lost,AlwaysMatches='') )";
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}
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# add OPAC suppression - requires at least one item indexed with Suppress
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if (C4::Context->preference('OpacSuppression')) {
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$query = "($query) not Suppress=1";
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}
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$template->param ( LIMIT_INPUTS => \@limit_inputs );
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## II. DO THE SEARCH AND GET THE RESULTS
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my $total; # the total results for the whole set
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my $facets; # this object stores the faceted results that display on the left-hand of the results page
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my @results_array;
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my $results_hashref;
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if (C4::Context->preference('NoZebra')) {
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eval {
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($error, $results_hashref, $facets) = NZgetRecords($query,$simple_query,\@sort_by,\@servers,$results_per_page,$offset,$expanded_facet,$branches,$query_type,$scan);
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};
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} elsif ($build_grouped_results) {
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eval {
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($error, $results_hashref, $facets) = C4::Search::pazGetRecords($query,$simple_query,\@sort_by,\@servers,$results_per_page,$offset,$expanded_facet,$branches,$query_type,$scan);
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};
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} else {
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eval {
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($error, $results_hashref, $facets) = getRecords($query,$simple_query,\@sort_by,\@servers,$results_per_page,$offset,$expanded_facet,$branches,$query_type,$scan);
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};
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}
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if ($@ || $error) {
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$template->param(query_error => $error.$@);
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output_html_with_http_headers $cgi, $cookie, $template->output;
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exit;
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}
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# At this point, each server has given us a result set
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# now we build that set for template display
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my @sup_results_array;
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for (my $i=0;$i<=@servers;$i++) {
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my $server = $servers[$i];
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if ($server =~/biblioserver/) { # this is the local bibliographic server
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$hits = $results_hashref->{$server}->{"hits"};
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my $page = $cgi->param('page') || 0;
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my @newresults;
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if ($build_grouped_results) {
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foreach my $group (@{ $results_hashref->{$server}->{"GROUPS"} }) {
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# because pazGetRecords handles retieving only the records
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# we want as specified by $offset and $results_per_page,
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# we need to set the offset parameter of searchResults to 0
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my @group_results = searchResults( $query_desc, $group->{'group_count'},$results_per_page, 0,
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@{ $group->{"RECORDS"} });
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push @newresults, { group_label => $group->{'group_label'}, GROUP_RESULTS => \@group_results };
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}
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} else {
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@newresults = searchResults( $query_desc,$hits,$results_per_page,$offset,@{$results_hashref->{$server}->{"RECORDS"}});
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}
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$total = $total + $results_hashref->{$server}->{"hits"};
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if ($hits) {
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$template->param(total => $hits);
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my $limit_cgi_not_availablity = $limit_cgi;
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$limit_cgi_not_availablity =~ s/&limit=available//g;
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$template->param(limit_cgi_not_availablity => $limit_cgi_not_availablity);
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$template->param(limit_cgi => $limit_cgi);
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$template->param(query_cgi => $query_cgi);
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$template->param(query_desc => $query_desc);
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$template->param(limit_desc => $limit_desc);
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if ($query_desc || $limit_desc) {
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$template->param(searchdesc => 1);
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}
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$template->param(stopwords_removed => "@$stopwords_removed") if $stopwords_removed;
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$template->param(results_per_page => $results_per_page);
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$template->param(SEARCH_RESULTS => \@newresults,
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OPACItemsResultsDisplay => (C4::Context->preference("OPACItemsResultsDisplay") eq "itemdetails"?1:0),
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);
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## Build the page numbers on the bottom of the page
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my @page_numbers;
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# total number of pages there will be
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my $pages = ceil($hits / $results_per_page);
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# default page number
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my $current_page_number = 1;
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$current_page_number = ($offset / $results_per_page + 1) if $offset;
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my $previous_page_offset = $offset - $results_per_page unless ($offset - $results_per_page <0);
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my $next_page_offset = $offset + $results_per_page;
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# If we're within the first 10 pages, keep it simple
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#warn "current page:".$current_page_number;
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if ($current_page_number < 10) {
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# just show the first 10 pages
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# Loop through the pages
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my $pages_to_show = 10;
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$pages_to_show = $pages if $pages<10;
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for ($i=1; $i<=$pages_to_show;$i++) {
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# the offset for this page
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my $this_offset = (($i*$results_per_page)-$results_per_page);
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# the page number for this page
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my $this_page_number = $i;
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# it should only be highlighted if it's the current page
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my $highlight = 1 if ($this_page_number == $current_page_number);
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# put it in the array
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push @page_numbers, { offset => $this_offset, pg => $this_page_number, highlight => $highlight, sort_by => join " ",@sort_by };
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}
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}
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# now, show twenty pages, with the current one smack in the middle
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else {
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for ($i=$current_page_number; $i<=($current_page_number + 20 );$i++) {
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my $this_offset = ((($i-9)*$results_per_page)-$results_per_page);
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my $this_page_number = $i-9;
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my $highlight = 1 if ($this_page_number == $current_page_number);
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if ($this_page_number <= $pages) {
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push @page_numbers, { offset => $this_offset, pg => $this_page_number, highlight => $highlight, sort_by => join " ",@sort_by };
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}
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}
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}
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$template->param( PAGE_NUMBERS => \@page_numbers,
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previous_page_offset => $previous_page_offset) unless $pages < 2;
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$template->param(next_page_offset => $next_page_offset) unless $pages eq $current_page_number;
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}
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# no hits
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else {
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$template->param(searchdesc => 1,query_desc => $query_desc,limit_desc => $limit_desc);
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}
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} # end of the if local
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# asynchronously search the authority server
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elsif ($server =~/authorityserver/) { # this is the local authority server
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my @inner_sup_results_array;
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for my $sup_record ( @{$results_hashref->{$server}->{"RECORDS"}} ) {
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my $marc_record_object = MARC::Record->new_from_usmarc($sup_record);
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my $title_field = $marc_record_object->field(100);
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warn "Authority Found: ".$marc_record_object->as_formatted();
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push @inner_sup_results_array, {
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'title' => $title_field->subfield('a'),
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'link' => "&idx=an&q=".$marc_record_object->field('001')->as_string(),
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};
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}
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my $servername = $server;
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push @sup_results_array, { servername => $servername,
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inner_sup_results_loop => \@inner_sup_results_array} if @inner_sup_results_array;
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}
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# FIXME: can add support for other targets as needed here
|
|
$template->param( outer_sup_results_loop => \@sup_results_array);
|
|
} #/end of the for loop
|
|
#$template->param(FEDERATED_RESULTS => \@results_array);
|
|
|
|
$template->param(
|
|
#classlist => $classlist,
|
|
total => $total,
|
|
opacfacets => 1,
|
|
facets_loop => $facets,
|
|
scan => $scan,
|
|
search_error => $error,
|
|
);
|
|
|
|
if ($query_desc || $limit_desc) {
|
|
$template->param(searchdesc => 1);
|
|
}
|
|
|
|
## Now let's find out if we have any supplemental data to show the user
|
|
# and in the meantime, save the current query for statistical purposes, etc.
|
|
my $koha_spsuggest; # a flag to tell if we've got suggestions coming from Koha
|
|
my @koha_spsuggest; # place we store the suggestions to be returned to the template as LOOP
|
|
my $phrases = $query_desc;
|
|
my $ipaddress;
|
|
|
|
if ( C4::Context->preference("kohaspsuggest") ) {
|
|
my ($suggest_host, $suggest_dbname, $suggest_user, $suggest_pwd) = split(':', C4::Context->preference("kohaspsuggest"));
|
|
eval {
|
|
my $koha_spsuggest_dbh;
|
|
# FIXME: this needs to be moved to Context.pm
|
|
eval {
|
|
$koha_spsuggest_dbh=DBI->connect("DBI:mysql:$suggest_dbname:$suggest_host","$suggest_user","$suggest_pwd");
|
|
};
|
|
if ($@) {
|
|
warn "can't connect to spsuggest db";
|
|
}
|
|
else {
|
|
my $koha_spsuggest_insert = "INSERT INTO phrase_log(phr_phrase,phr_resultcount,phr_ip) VALUES(?,?,?)";
|
|
my $koha_spsuggest_query = "SELECT display FROM distincts WHERE strcmp(soundex(suggestion), soundex(?)) = 0 order by soundex(suggestion) limit 0,5";
|
|
my $koha_spsuggest_sth = $koha_spsuggest_dbh->prepare($koha_spsuggest_query);
|
|
$koha_spsuggest_sth->execute($phrases);
|
|
while (my $spsuggestion = $koha_spsuggest_sth->fetchrow_array) {
|
|
$spsuggestion =~ s/(:|\/)//g;
|
|
my %line;
|
|
$line{spsuggestion} = $spsuggestion;
|
|
push @koha_spsuggest,\%line;
|
|
$koha_spsuggest = 1;
|
|
}
|
|
|
|
# Now save the current query
|
|
$koha_spsuggest_sth=$koha_spsuggest_dbh->prepare($koha_spsuggest_insert);
|
|
#$koha_spsuggest_sth->execute($phrases,$results_per_page,$ipaddress);
|
|
$koha_spsuggest_sth->finish;
|
|
|
|
$template->param( koha_spsuggest => $koha_spsuggest ) unless $hits;
|
|
$template->param( SPELL_SUGGEST => \@koha_spsuggest,
|
|
);
|
|
}
|
|
};
|
|
if ($@) {
|
|
warn "Kohaspsuggest failure:".$@;
|
|
}
|
|
}
|
|
|
|
# VI. BUILD THE TEMPLATE
|
|
output_html_with_http_headers $cgi, $cookie, $template->output;
|
|
|