opac/opac-search.pl

   1 #!/usr/bin/perl
   2 # Script to perform searching
   3 # Mostly copied from search.pl, see POD there
   4 use strict;            # always use
   5 use warnings;
   6
   7 ## STEP 1. Load things that are used in both search page and
   8 # results page and decide which template to load, operations
   9 # to perform, etc.
  10 ## load Koha modules
  11 use C4::Context;
  12 use C4::Output;
  13 use C4::Auth qw(:DEFAULT get_session);
  14 use C4::Languages qw(getAllLanguages);
  15 use C4::Search;
  16 use C4::Biblio;  # GetBiblioData
  17 use C4::Koha;
  18 use C4::Tags qw(get_tags);
  19 use C4::Branch; # GetBranches
  20 use POSIX qw(ceil floor strftime);
  21 use URI::Escape;
  22 use Storable qw(thaw freeze);
  23
  24
  25 # create a new CGI object
  26 # FIXME: no_undef_params needs to be tested
  27 use CGI qw('-no_undef_params');
  28 my $cgi = new CGI;
  29
  30 BEGIN {
  31         if (C4::Context->preference('BakerTaylorEnabled')) {
  32                 require C4::External::BakerTaylor;
  33                 import C4::External::BakerTaylor qw(&image_url &link_url);
  34         }
  35 }
  36
  37 my ($template,$borrowernumber,$cookie);
  38
  39 # decide which template to use
  40 my $template_name;
  41 my $template_type = 'basic';
  42 my @params = $cgi->param("limit");
  43
  44 my $format = $cgi->param("format") || '';
  45 my $build_grouped_results = C4::Context->preference('OPACGroupResults');
  46 if ($format =~ /(rss|atom|opensearchdescription)/) {
  47         $template_name = 'opac-opensearch.tmpl';
  48 }
  49 elsif ($build_grouped_results) {
  50     $template_name = 'opac-results-grouped.tmpl';
  51 }
  52 elsif ((@params>=1) || ($cgi->param("q")) || ($cgi->param('multibranchlimit')) || ($cgi->param('limit-yr')) ) {
  53         $template_name = 'opac-results.tmpl';
  54 }
  55 else {
  56     $template_name = 'opac-advsearch.tmpl';
  57     $template_type = 'advsearch';
  58 }
  59 # load the template
  60 ($template, $borrowernumber, $cookie) = get_template_and_user({
  61     template_name => $template_name,
  62     query => $cgi,
  63     type => "opac",
  64     authnotrequired => 1,
  65     }
  66 );
  67
  68 if ($format eq 'rss2' or $format eq 'opensearchdescription' or $format eq 'atom') {
  69         $template->param($format => 1);
  70     $template->param(timestamp => strftime("%Y-%m-%dT%H:%M:%S-00:00", gmtime)) if ($format eq 'atom');
  71     # FIXME - the timestamp is a hack - the biblio update timestamp should be used for each
  72     # entry, but not sure if that's worth an extra database query for each bib
  73 }
  74 if (C4::Context->preference("marcflavour") eq "UNIMARC" ) {
  75     $template->param('UNIMARC' => 1);
  76 }
  77 elsif (C4::Context->preference("marcflavour") eq "MARC21" ) {
  78     $template->param('usmarc' => 1);
  79 }
  80 $template->param( 'AllowOnShelfHolds' => C4::Context->preference('AllowOnShelfHolds') );
  81
  82 if (C4::Context->preference('BakerTaylorEnabled')) {
  83         $template->param(
  84                 BakerTaylorEnabled  => 1,
  85                 BakerTaylorImageURL => &image_url(),
  86                 BakerTaylorLinkURL  => &link_url(),
  87                 BakerTaylorBookstoreURL => C4::Context->preference('BakerTaylorBookstoreURL'),
  88         );
  89 }
  90 if (C4::Context->preference('TagsEnabled')) {
  91         $template->param(TagsEnabled => 1);
  92         foreach (qw(TagsShowOnList TagsInputOnList)) {
  93                 C4::Context->preference($_) and $template->param($_ => 1);
  94         }
  95 }
  96
  97 ## URI Re-Writing
  98 # Deprecated, but preserved because it's interesting :-)
  99 # The same thing can be accomplished with mod_rewrite in
 100 # a more elegant way
 101 #
 102 #my $rewrite_flag;
 103 #my $uri = $cgi->url(-base => 1);
 104 #my $relative_url = $cgi->url(-relative=>1);
 105 #$uri.="/".$relative_url."?";
 106 #warn "URI:$uri";
 107 #my @cgi_params_list = $cgi->param();
 108 #my $url_params = $cgi->Vars;
 109 #
 110 #for my $each_param_set (@cgi_params_list) {
 111 #    $uri.= join "",  map "\&$each_param_set=".$_, split("\0",$url_params->{$each_param_set}) if $url_params->{$each_param_set};
 112 #}
 113 #warn "New URI:$uri";
 114 # Only re-write a URI if there are params or if it already hasn't been re-written
 115 #unless (($cgi->param('r')) || (!$cgi->param()) ) {
 116 #    print $cgi->redirect(     -uri=>$uri."&r=1",
 117 #                            -cookie => $cookie);
 118 #    exit;
 119 #}
 120
 121 # load the branches
 122 my $mybranch = ( C4::Context->preference('SearchMyLibraryFirst') && C4::Context->userenv && C4::Context->userenv->{branch} ) ? C4::Context->userenv->{branch} : '';
 123 my $branches = GetBranches();   # used later in *getRecords, probably should be internalized by those functions after caching in C4::Branch is established
 124 $template->param(
 125     branchloop       => GetBranchesLoop($mybranch, 0),
 126     searchdomainloop => GetBranchCategories(undef,'searchdomain'),
 127 );
 128
 129 # load the language limits (for search)
 130 my $languages_limit_loop = getAllLanguages();
 131 $template->param(search_languages_loop => $languages_limit_loop,);
 132
 133 # load the Type stuff
 134 my $itemtypes = GetItemTypes;
 135 # the index parameter is different for item-level itemtypes
 136 my $itype_or_itemtype = (C4::Context->preference("item-level_itypes"))?'itype':'itemtype';
 137 my @itemtypesloop;
 138 my $selected=1;
 139 my $cnt;
 140 my $advanced_search_types = C4::Context->preference("AdvancedSearchTypes");
 141
 142 if (!$advanced_search_types or $advanced_search_types eq 'itemtypes') {
 143         foreach my $thisitemtype ( sort {$itemtypes->{$a}->{'description'} cmp $itemtypes->{$b}->{'description'} } keys %$itemtypes ) {
 144         my %row =(  number=>$cnt++,
 145                                 ccl => $itype_or_itemtype,
 146                 code => $thisitemtype,
 147                 selected => $selected,
 148                 description => $itemtypes->{$thisitemtype}->{'description'},
 149                 count5 => $cnt % 4,
 150                 imageurl=> getitemtypeimagelocation( 'opac', $itemtypes->{$thisitemtype}->{'imageurl'} ),
 151             );
 152         $selected = 0; # set to zero after first pass through
 153         push @itemtypesloop, \%row;
 154         }
 155 } else {
 156     my $advsearchtypes = GetAuthorisedValues($advanced_search_types, '', 'opac');
 157         for my $thisitemtype (@$advsearchtypes) {
 158                 my %row =(
 159                                 number=>$cnt++,
 160                                 ccl => $advanced_search_types,
 161                 code => $thisitemtype->{authorised_value},
 162                 selected => $selected,
 163                 description => $thisitemtype->{'lib'},
 164                 count5 => $cnt % 4,
 165                 imageurl=> getitemtypeimagelocation( 'opac', $thisitemtype->{'imageurl'} ),
 166             );
 167                 push @itemtypesloop, \%row;
 168         }
 169 }
 170 $template->param(itemtypeloop => \@itemtypesloop);
 171
 172 # # load the itypes (Called item types in the template -- just authorized values for searching)
 173 # my ($itypecount,@itype_loop) = GetCcodes();
 174 # $template->param(itypeloop=>\@itype_loop,);
 175
 176 # The following should only be loaded if we're bringing up the advanced search template
 177 if ( $template_type && $template_type eq 'advsearch' ) {
 178
 179     # load the servers (used for searching -- to do federated searching, etc.)
 180     my $primary_servers_loop;# = displayPrimaryServers();
 181     $template->param(outer_servers_loop =>  $primary_servers_loop,);
 182
 183     my $secondary_servers_loop;
 184     $template->param(outer_sup_servers_loop => $secondary_servers_loop,);
 185
 186     # set the default sorting
 187     my $default_sort_by = C4::Context->preference('OPACdefaultSortField')."_".C4::Context->preference('OPACdefaultSortOrder')
 188         if (C4::Context->preference('OPACdefaultSortField') && C4::Context->preference('OPACdefaultSortOrder'));
 189     $template->param($default_sort_by => 1);
 190
 191     # determine what to display next to the search boxes (ie, boolean option
 192     # shouldn't appear on the first one, scan indexes should, adding a new
 193     # box should only appear on the last, etc.
 194     my @search_boxes_array;
 195     my $search_boxes_count = C4::Context->preference("OPACAdvSearchInputCount") || 3;
 196     for (my $i=1;$i<=$search_boxes_count;$i++) {
 197         # if it's the first one, don't display boolean option, but show scan indexes
 198         if ($i==1) {
 199             push @search_boxes_array,
 200                 {
 201                 scan_index => 1,
 202                 };
 203
 204         }
 205         # if it's the last one, show the 'add field' box
 206         elsif ($i==$search_boxes_count) {
 207             push @search_boxes_array,
 208                 {
 209                 boolean => 1,
 210                 add_field => 1,
 211                 };
 212         }
 213         else {
 214             push @search_boxes_array,
 215                 {
 216                 boolean => 1,
 217                 };
 218         }
 219
 220     }
 221     $template->param(uc(C4::Context->preference("marcflavour")) => 1,   # we already did this for UNIMARC
 222                                           advsearch => 1,
 223                       search_boxes_loop => \@search_boxes_array);
 224
 225 # use the global setting by default
 226         if ( C4::Context->preference("expandedSearchOption") == 1 ) {
 227                 $template->param( expanded_options => C4::Context->preference("expandedSearchOption") );
 228         }
 229         # but let the user override it
 230         if (defined $cgi->param('expanded_options')) {
 231             if ( ($cgi->param('expanded_options') == 0) || ($cgi->param('expanded_options') == 1 ) ) {
 232             $template->param( expanded_options => $cgi->param('expanded_options'));
 233             }
 234         }
 235     output_html_with_http_headers $cgi, $cookie, $template->output;
 236     exit;
 237 }
 238
 239 ### OK, if we're this far, we're performing an actual search
 240
 241 # Fetch the paramater list as a hash in scalar context:
 242 #  * returns paramater list as tied hash ref
 243 #  * we can edit the values by changing the key
 244 #  * multivalued CGI paramaters are returned as a packaged string separated by "\0" (null)
 245 my $params = $cgi->Vars;
 246 my $tag;
 247 $tag = $params->{tag} if $params->{tag};
 248
 249 # Params that can have more than one value
 250 # sort by is used to sort the query
 251 # in theory can have more than one but generally there's just one
 252 my @sort_by;
 253 my $default_sort_by = C4::Context->preference('OPACdefaultSortField')."_".C4::Context->preference('OPACdefaultSortOrder')
 254     if (C4::Context->preference('OPACdefaultSortField') && C4::Context->preference('OPACdefaultSortOrder'));
 255
 256 @sort_by = split("\0",$params->{'sort_by'}) if $params->{'sort_by'};
 257 $sort_by[0] = $default_sort_by if !$sort_by[0] && defined($default_sort_by);
 258 foreach my $sort (@sort_by) {
 259     $template->param($sort => 1);   # FIXME: security hole.  can set any TMPL_VAR here
 260 }
 261 $template->param('sort_by' => $sort_by[0]);
 262
 263 # Use the servers defined, or just search our local catalog(default)
 264 my @servers;
 265 @servers = split("\0",$params->{'server'}) if $params->{'server'};
 266 unless (@servers) {
 267     #FIXME: this should be handled using Context.pm
 268     @servers = ("biblioserver");
 269     # @servers = C4::Context->config("biblioserver");
 270 }
 271
 272 # operators include boolean and proximity operators and are used
 273 # to evaluate multiple operands
 274 my @operators;
 275 @operators = split("\0",$params->{'op'}) if $params->{'op'};
 276
 277 # indexes are query qualifiers, like 'title', 'author', etc. They
 278 # can be single or multiple parameters separated by comma: kw,right-Truncation
 279 my @indexes;
 280 @indexes = split("\0",$params->{'idx'}) if $params->{'idx'};
 281
 282 # if a simple index (only one)  display the index used in the top search box
 283 if ($indexes[0] && !$indexes[1]) {
 284     $template->param("ms_".$indexes[0] => 1);
 285 }
 286 # an operand can be a single term, a phrase, or a complete ccl query
 287 my @operands;
 288 @operands = split("\0",$params->{'q'}) if $params->{'q'};
 289
 290 # if a simple search, display the value in the search box
 291 if ($operands[0] && !$operands[1]) {
 292     $template->param(ms_value => $operands[0]);
 293 }
 294
 295 # limits are use to limit to results to a pre-defined category such as branch or language
 296 my @limits;
 297 @limits = split("\0",$params->{'limit'}) if $params->{'limit'};
 298
 299 if($params->{'multibranchlimit'}) {
 300 push @limits, join(" or ", map { "branch: $_ "}  @{GetBranchesInCategory($params->{'multibranchlimit'})}) ;
 301 }
 302
 303 my $available;
 304 foreach my $limit(@limits) {
 305     if ($limit =~/available/) {
 306         $available = 1;
 307     }
 308 }
 309 $template->param(available => $available);
 310
 311 # append year limits if they exist
 312 if ($params->{'limit-yr'}) {
 313     if ($params->{'limit-yr'} =~ /\d{4}-\d{4}/) {
 314         my ($yr1,$yr2) = split(/-/, $params->{'limit-yr'});
 315         push @limits, "yr,st-numeric,ge=$yr1 and yr,st-numeric,le=$yr2";
 316     }
 317     elsif ($params->{'limit-yr'} =~ /\d{4}/) {
 318         push @limits, "yr,st-numeric=$params->{'limit-yr'}";
 319     }
 320     else {
 321         #FIXME: Should return a error to the user, incorect date format specified
 322     }
 323 }
 324
 325 # Params that can only have one value
 326 my $scan = $params->{'scan'};
 327 my $count = C4::Context->preference('OPACnumSearchResults') || 20;
 328 my $results_per_page = $params->{'count'} || $count;
 329 my $offset = $params->{'offset'} || 0;
 330 my $page = $cgi->param('page') || 1;
 331 $offset = ($page-1)*$results_per_page if $page>1;
 332 my $hits;
 333 my $expanded_facet = $params->{'expand'};
 334
 335 # Define some global variables
 336 my ($error,$query,$simple_query,$query_cgi,$query_desc,$limit,$limit_cgi,$limit_desc,$stopwords_removed,$query_type);
 337
 338 my @results;
 339
 340 ## I. BUILD THE QUERY
 341 my $lang = C4::Output::getlanguagecookie($cgi);
 342 ( $error,$query,$simple_query,$query_cgi,$query_desc,$limit,$limit_cgi,$limit_desc,$stopwords_removed,$query_type) = buildQuery(\@operators,\@operands,\@indexes,\@limits,\@sort_by, 0, $lang);
 343
 344 sub _input_cgi_parse ($) {
 345     my @elements;
 346     for my $this_cgi ( split('&',shift) ) {
 347         next unless $this_cgi;
 348         $this_cgi =~ /(.*?)=(.*)/;
 349         push @elements, { input_name => $1, input_value => $2 };
 350     }
 351     return @elements;
 352 }
 353
 354 ## parse the query_cgi string and put it into a form suitable for <input>s
 355 my @query_inputs = _input_cgi_parse($query_cgi);
 356 $template->param ( QUERY_INPUTS => \@query_inputs );
 357
 358 ## parse the limit_cgi string and put it into a form suitable for <input>s
 359 my @limit_inputs = $limit_cgi ? _input_cgi_parse($limit_cgi) : ();
 360
 361 # add OPAC 'hidelostitems'
 362 #if (C4::Context->preference('hidelostitems') == 1) {
 363 #    # either lost ge 0 or no value in the lost register
 364 #    $query ="($query) and ( (lost,st-numeric <= 0) or ( allrecords,AlwaysMatches='' not lost,AlwaysMatches='') )";
 365 #}
 366 #
 367 # add OPAC suppression - requires at least one item indexed with Suppress
 368 if (C4::Context->preference('OpacSuppression')) {
 369     $query = "($query) not Suppress=1";
 370 }
 371
 372 $template->param ( LIMIT_INPUTS => \@limit_inputs );
 373
 374 ## II. DO THE SEARCH AND GET THE RESULTS
 375 my $total = 0; # the total results for the whole set
 376 my $facets; # this object stores the faceted results that display on the left-hand of the results page
 377 my @results_array;
 378 my $results_hashref;
 379 my @coins;
 380
 381 if ($tag) {
 382         $query_cgi = "tag=" .$tag . "&" . $query_cgi;
 383         my $taglist = get_tags({term=>$tag, approved=>1});
 384         $results_hashref->{biblioserver}->{hits} = scalar (@$taglist);
 385         my @biblist  = (map {GetBiblioData($_->{biblionumber})} @$taglist);
 386         my @marclist = (map {$_->{marc}} @biblist );
 387         $DEBUG and printf STDERR "taglist (%s biblionumber)\nmarclist (%s records)\n", scalar(@$taglist), scalar(@marclist);
 388         $results_hashref->{biblioserver}->{RECORDS} = \@marclist;
 389         # FIXME: tag search and standard search should work together, not exclusively
 390         # FIXME: No facets for tags search.
 391 }
 392 elsif (C4::Context->preference('NoZebra')) {
 393     eval {
 394         ($error, $results_hashref, $facets) = NZgetRecords($query,$simple_query,\@sort_by,\@servers,$results_per_page,$offset,$expanded_facet,$branches,$query_type,$scan);
 395     };
 396 } elsif ($build_grouped_results) {
 397     eval {
 398         ($error, $results_hashref, $facets) = C4::Search::pazGetRecords($query,$simple_query,\@sort_by,\@servers,$results_per_page,$offset,$expanded_facet,$branches,$query_type,$scan);
 399     };
 400 } else {
 401     eval {
 402         ($error, $results_hashref, $facets) = getRecords($query,$simple_query,\@sort_by,\@servers,$results_per_page,$offset,$expanded_facet,$branches,$query_type,$scan);
 403     };
 404 }
 405 # use Data::Dumper; print STDERR "-" x 25, "\n", Dumper($results_hashref);
 406 if ($@ || $error) {
 407     $template->param(query_error => $error.$@);
 408     output_html_with_http_headers $cgi, $cookie, $template->output;
 409     exit;
 410 }
 411
 412 # At this point, each server has given us a result set
 413 # now we build that set for template display
 414 my @sup_results_array;
 415 for (my $i=0;$i<=@servers;$i++) {
 416     my $server = $servers[$i];
 417     if ($server && $server =~/biblioserver/) { # this is the local bibliographic server
 418         $hits = $results_hashref->{$server}->{"hits"};
 419         my $page = $cgi->param('page') || 0;
 420         my @newresults;
 421         if ($build_grouped_results) {
 422             foreach my $group (@{ $results_hashref->{$server}->{"GROUPS"} }) {
 423                 # because pazGetRecords handles retieving only the records
 424                 # we want as specified by $offset and $results_per_page,
 425                 # we need to set the offset parameter of searchResults to 0
 426                 my @group_results = searchResults( $query_desc, $group->{'group_count'},$results_per_page, 0, $scan,
 427                                                    @{ $group->{"RECORDS"} }, C4::Context->preference('hidelostitems'));
 428                 push @newresults, { group_label => $group->{'group_label'}, GROUP_RESULTS => \@group_results };
 429             }
 430         } else {
 431             @newresults = searchResults( $query_desc,$hits,$results_per_page,$offset,$scan,@{$results_hashref->{$server}->{"RECORDS"}},, C4::Context->preference('hidelostitems'));
 432         }
 433                 my $tag_quantity;
 434                 if (C4::Context->preference('TagsEnabled') and
 435                         $tag_quantity = C4::Context->preference('TagsShowOnList')) {
 436                         foreach (@newresults) {
 437                                 my $bibnum = $_->{biblionumber} or next;
 438                                 $_->{itemsissued} = CountItemsIssued( $bibnum );
 439                                 $_ ->{'TagLoop'} = get_tags({biblionumber=>$bibnum, approved=>1, 'sort'=>'-weight',
 440                                                                                 limit=>$tag_quantity });
 441                         }
 442                 }
 443                 foreach (@newresults) {
 444                     $_->{coins} = GetCOinSBiblio($_->{'biblionumber'});
 445                 }
 446
 447         if ($results_hashref->{$server}->{"hits"}){
 448             $total = $total + $results_hashref->{$server}->{"hits"};
 449         }
 450         # Opac search history
 451         my $newsearchcookie;
 452         if (C4::Context->preference('EnableOpacSearchHistory')) {
 453             my @recentSearches;
 454
 455             # Getting the (maybe) already sent cookie
 456             my $searchcookie = $cgi->cookie('KohaOpacRecentSearches');
 457             if ($searchcookie){
 458                 $searchcookie = uri_unescape($searchcookie);
 459                 if (thaw($searchcookie)) {
 460                     @recentSearches = @{thaw($searchcookie)};
 461                 }
 462             }
 463
 464             # Adding the new search if needed
 465             if ($borrowernumber eq '') {
 466             # To a cookie (the user is not logged in)
 467
 468                 if ($params->{'offset'} eq '') {
 469
 470                     push @recentSearches, {
 471                                             "query_desc" => $query_desc || "unknown",
 472                                             "query_cgi"  => $query_cgi  || "unknown",
 473                                             "time"       => time(),
 474                                             "total"      => $total
 475                                           };
 476                     $template->param(ShowOpacRecentSearchLink => 1);
 477                 }
 478
 479                 # Pushing the cookie back
 480                 $newsearchcookie = $cgi->cookie(
 481                                             -name => 'KohaOpacRecentSearches',
 482                                             # We uri_escape the whole freezed structure so we're sure we won't have any encoding problems
 483                                             -value => uri_escape(freeze(\@recentSearches)),
 484                                             -expires => ''
 485                         );
 486                         $cookie = [$cookie, $newsearchcookie];
 487             }
 488                 else {
 489             # To the session (the user is logged in)
 490                         if ($params->{'offset'} eq '') {
 491                                 AddSearchHistory($borrowernumber, $cgi->cookie("CGISESSID"), $query_desc, $query_cgi, $total);
 492                     $template->param(ShowOpacRecentSearchLink => 1);
 493                 }
 494             }
 495         }
 496     ## If there's just one result, redirect to the detail page
 497         if ($total == 1) {
 498             my $biblionumber=$newresults[0]->{biblionumber};
 499             if (C4::Context->preference('BiblioDefaultView') eq 'isbd') {
 500                 print $cgi->redirect("/cgi-bin/koha/opac-ISBDdetail.pl?biblionumber=$biblionumber");
 501             } elsif  (C4::Context->preference('BiblioDefaultView') eq 'marc') {
 502                 print $cgi->redirect("/cgi-bin/koha/opac-MARCdetail.pl?biblionumber=$biblionumber");
 503             } else {
 504                 print $cgi->redirect("/cgi-bin/koha/opac-detail.pl?biblionumber=$biblionumber");
 505             }
 506             exit;
 507         }
 508         if ($hits) {
 509             $template->param(total => $hits);
 510             my $limit_cgi_not_availablity = $limit_cgi;
 511             $limit_cgi_not_availablity =~ s/&limit=available//g if defined $limit_cgi_not_availablity;
 512             $template->param(limit_cgi_not_availablity => $limit_cgi_not_availablity);
 513             $template->param(limit_cgi => $limit_cgi);
 514             $template->param(query_cgi => $query_cgi);
 515             $template->param(query_desc => $query_desc);
 516             $template->param(limit_desc => $limit_desc);
 517             if ($query_desc || $limit_desc) {
 518                 $template->param(searchdesc => 1);
 519             }
 520             $template->param(stopwords_removed => "@$stopwords_removed") if $stopwords_removed;
 521             $template->param(results_per_page =>  $results_per_page);
 522             $template->param(SEARCH_RESULTS => \@newresults,
 523                                 OPACItemsResultsDisplay => (C4::Context->preference("OPACItemsResultsDisplay") eq "itemdetails"?1:0),
 524                             );
 525             ## Build the page numbers on the bottom of the page
 526             my @page_numbers;
 527             # total number of pages there will be
 528             my $pages = ceil($hits / $results_per_page);
 529             # default page number
 530             my $current_page_number = 1;
 531             $current_page_number = ($offset / $results_per_page + 1) if $offset;
 532             my $previous_page_offset = $offset - $results_per_page unless ($offset - $results_per_page <0);
 533             my $next_page_offset = $offset + $results_per_page;
 534             # If we're within the first 10 pages, keep it simple
 535             #warn "current page:".$current_page_number;
 536             if ($current_page_number < 10) {
 537                 # just show the first 10 pages
 538                 # Loop through the pages
 539                 my $pages_to_show = 10;
 540                 $pages_to_show = $pages if $pages<10;
 541                 for ($i=1; $i<=$pages_to_show;$i++) {
 542                     # the offset for this page
 543                     my $this_offset = (($i*$results_per_page)-$results_per_page);
 544                     # the page number for this page
 545                     my $this_page_number = $i;
 546                     # it should only be highlighted if it's the current page
 547                     my $highlight = 1 if ($this_page_number == $current_page_number);
 548                     # put it in the array
 549                     push @page_numbers, { offset => $this_offset, pg => $this_page_number, highlight => $highlight, sort_by => join " ",@sort_by };
 550
 551                 }
 552
 553             }
 554             # now, show twenty pages, with the current one smack in the middle
 555             else {
 556                 for ($i=$current_page_number; $i<=($current_page_number + 20 );$i++) {
 557                     my $this_offset = ((($i-9)*$results_per_page)-$results_per_page);
 558                     my $this_page_number = $i-9;
 559                     my $highlight = 1 if ($this_page_number == $current_page_number);
 560                     if ($this_page_number <= $pages) {
 561                         push @page_numbers, { offset => $this_offset, pg => $this_page_number, highlight => $highlight, sort_by => join " ",@sort_by };
 562                     }
 563                 }
 564
 565             }
 566             $template->param(   PAGE_NUMBERS => \@page_numbers,
 567                                 previous_page_offset => $previous_page_offset) unless $pages < 2;
 568             $template->param(next_page_offset => $next_page_offset) unless $pages eq $current_page_number;
 569          }
 570         # no hits
 571         else {
 572             $template->param(searchdesc => 1,query_desc => $query_desc,limit_desc => $limit_desc);
 573         }
 574     } # end of the if local
 575     # asynchronously search the authority server
 576     elsif ($server && $server =~/authorityserver/) { # this is the local authority server
 577         my @inner_sup_results_array;
 578         for my $sup_record ( @{$results_hashref->{$server}->{"RECORDS"}} ) {
 579             my $marc_record_object = MARC::Record->new_from_usmarc($sup_record);
 580             my $title_field = $marc_record_object->field(100);
 581              warn "Authority Found: ".$marc_record_object->as_formatted();
 582             push @inner_sup_results_array, {
 583                 'title' => $title_field->subfield('a'),
 584                 'link' => "&amp;idx=an&amp;q=".$marc_record_object->field('001')->as_string(),
 585             };
 586         }
 587         my $servername = $server;
 588         push @sup_results_array, {  servername => $servername,
 589                                     inner_sup_results_loop => \@inner_sup_results_array} if @inner_sup_results_array;
 590     }
 591     # FIXME: can add support for other targets as needed here
 592     $template->param(           outer_sup_results_loop => \@sup_results_array);
 593 } #/end of the for loop
 594 #$template->param(FEDERATED_RESULTS => \@results_array);
 595
 596 $template->param(
 597             #classlist => $classlist,
 598             total => $total,
 599             opacfacets => 1,
 600             facets_loop => $facets,
 601             scan => $scan,
 602             search_error => $error,
 603 );
 604
 605 if ($query_desc || $limit_desc) {
 606     $template->param(searchdesc => 1);
 607 }
 608
 609 # VI. BUILD THE TEMPLATE
 610 # Build drop-down list for 'Add To:' menu...
 611 my $session = get_session($cgi->cookie("CGISESSID"));
 612 my @addpubshelves;
 613 my $pubshelves = $session->param('pubshelves');
 614 my $barshelves = $session->param('barshelves');
 615 foreach my $shelf (@$pubshelves) {
 616         next if ( ($shelf->{'owner'} != ($borrowernumber ? $borrowernumber : -1)) && ($shelf->{'category'} < 3) );
 617         push (@addpubshelves, $shelf);
 618 }
 619
 620 if (@addpubshelves) {
 621         $template->param( addpubshelves     => scalar (@addpubshelves));
 622         $template->param( addpubshelvesloop => \@addpubshelves);
 623 }
 624
 625 if (defined $barshelves) {
 626         $template->param( addbarshelves     => scalar (@$barshelves));
 627         $template->param( addbarshelvesloop => $barshelves);
 628 }
 629
 630 my $content_type = ($format eq 'rss' or $format eq 'atom') ? $format : 'html';
 631
 632 # If GoogleIndicTransliteration system preference is On Set paramter to load Google's javascript in OPAC search screens
 633 if (C4::Context->preference('GoogleIndicTransliteration')) {
 634         $template->param('GoogleIndicTransliteration' => 1);
 635 }
 636
 637 output_with_http_headers $cgi, $cookie, $template->output, $content_type;