tools/batchMod.pl

   1 #!/usr/bin/perl
   2
   3
   4 # Copyright 2000-2002 Katipo Communications
   5 #
   6 # This file is part of Koha.
   7 #
   8 # Koha is free software; you can redistribute it and/or modify it
   9 # under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # Koha is distributed in the hope that it will be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  20
  21 use CGI qw ( -utf8 );
  22 use Modern::Perl;
  23 use C4::Auth;
  24 use C4::Output;
  25 use C4::Biblio;
  26 use C4::Items;
  27 use C4::Circulation;
  28 use C4::Context;
  29 use C4::Koha;
  30 use C4::BackgroundJob;
  31 use C4::ClassSource;
  32 use C4::Debug;
  33 use C4::Members;
  34 use MARC::File::XML;
  35 use List::MoreUtils qw/uniq/;
  36
  37 use Koha::AuthorisedValues;
  38 use Koha::Biblios;
  39 use Koha::DateUtils;
  40 use Koha::Items;
  41 use Koha::ItemTypes;
  42 use Koha::Patrons;
  43
  44 my $input = new CGI;
  45 my $dbh = C4::Context->dbh;
  46 my $error        = $input->param('error');
  47 my @itemnumbers  = $input->multi_param('itemnumber');
  48 my $biblionumber = $input->param('biblionumber');
  49 my $op           = $input->param('op');
  50 my $del          = $input->param('del');
  51 my $del_records  = $input->param('del_records');
  52 my $completedJobID = $input->param('completedJobID');
  53 my $runinbackground = $input->param('runinbackground');
  54 my $src          = $input->param('src');
  55 my $use_default_values = $input->param('use_default_values');
  56
  57 my $template_name;
  58 my $template_flag;
  59 if (!defined $op) {
  60     $template_name = "tools/batchMod.tt";
  61     $template_flag = { tools => '*' };
  62     $op = q{};
  63 } else {
  64     $template_name = ($del) ? "tools/batchMod-del.tt" : "tools/batchMod-edit.tt";
  65     $template_flag = ($del) ? { tools => 'items_batchdel' }   : { tools => 'items_batchmod' };
  66 }
  67
  68
  69 my ($template, $loggedinuser, $cookie)
  70     = get_template_and_user({template_name => $template_name,
  71                  query => $input,
  72                  type => "intranet",
  73                  authnotrequired => 0,
  74                  flagsrequired => $template_flag,
  75                  });
  76
  77 # Does the user have a restricted item edition permission?
  78 my $uid = $loggedinuser ? Koha::Patrons->find( $loggedinuser )->userid : undef;
  79 my $restrictededition = $uid ? haspermission($uid,  {'tools' => 'items_batchmod_restricted'}) : undef;
  80 # In case user is a superlibrarian, edition is not restricted
  81 $restrictededition = 0 if ($restrictededition != 0 && C4::Context->IsSuperLibrarian());
  82
  83 $template->param(del       => $del);
  84
  85 my $itemrecord;
  86 my $nextop="";
  87 my @errors; # store errors found while checking data BEFORE saving item.
  88 my $items_display_hashref;
  89 our $tagslib = &GetMarcStructure(1);
  90
  91 my $deleted_items = 0;     # Number of deleted items
  92 my $deleted_records = 0;   # Number of deleted records ( with no items attached )
  93 my $not_deleted_items = 0; # Number of items that could not be deleted
  94 my @not_deleted;           # List of the itemnumbers that could not be deleted
  95 my $modified_items = 0;    # Numbers of modified items
  96 my $modified_fields = 0;   # Numbers of modified fields
  97
  98 my %cookies = parse CGI::Cookie($cookie);
  99 my $sessionID = $cookies{'CGISESSID'}->value;
 100
 101
 102 #--- ----------------------------------------------------------------------------
 103 if ($op eq "action") {
 104 #-------------------------------------------------------------------------------
 105     my @tags      = $input->multi_param('tag');
 106     my @subfields = $input->multi_param('subfield');
 107     my @values    = $input->multi_param('field_value');
 108     my @disabled  = $input->multi_param('disable_input');
 109     # build indicator hash.
 110     my @ind_tag   = $input->multi_param('ind_tag');
 111     my @indicator = $input->multi_param('indicator');
 112
 113     # Is there something to modify ?
 114     # TODO : We shall use this var to warn the user in case no modification was done to the items
 115     my $values_to_modify = scalar(grep {!/^$/} @values);
 116     my $values_to_blank  = scalar(@disabled);
 117     my $marcitem;
 118
 119     # Once the job is done
 120     if ($completedJobID) {
 121         # If we have a reasonable amount of items, we display them
 122     my $max_items = $del ? C4::Context->preference("MaxItemsToDisplayForBatchDel") : C4::Context->preference("MaxItemsToDisplayForBatchMod");
 123     if (scalar(@itemnumbers) <= $max_items ){
 124         if (scalar(@itemnumbers) <= 1000 ) {
 125             $items_display_hashref=BuildItemsData(@itemnumbers);
 126         } else {
 127             # Else, we only display the barcode
 128             my @simple_items_display = map {
 129                 my $itemnumber = $_;
 130                 my $item = Koha::Items->find($itemnumber);
 131                 {
 132                     itemnumber   => $itemnumber,
 133                     barcode      => $item ? ( $item->barcode // q{} ) : q{},
 134                     biblionumber => $item ? $item->biblio->biblionumber : q{},
 135                 };
 136             } @itemnumbers;
 137             $template->param("simple_items_display" => \@simple_items_display);
 138         }
 139     } else {
 140         $template->param( "too_many_items_display" => scalar(@itemnumbers) );
 141         $template->param( "job_completed" => 1 );
 142     }
 143
 144         # Setting the job as done
 145         my $job = C4::BackgroundJob->fetch($sessionID, $completedJobID);
 146
 147         # Calling the template
 148         add_saved_job_results_to_template($template, $completedJobID);
 149
 150     } else {
 151     # While the job is getting done
 152
 153         # Job size is the number of items we have to process
 154         my $job_size = scalar(@itemnumbers);
 155         my $job = undef;
 156
 157         # If we asked for background processing
 158         if ($runinbackground) {
 159             $job = put_in_background($job_size);
 160         }
 161
 162         #initializing values for updates
 163     my (  $itemtagfield,   $itemtagsubfield) = &GetMarcFromKohaField( "items.itemnumber" );
 164         if ($values_to_modify){
 165             my $xml = TransformHtmlToXml(\@tags,\@subfields,\@values,\@indicator,\@ind_tag, 'ITEM');
 166             $marcitem = MARC::Record::new_from_xml($xml, 'UTF-8');
 167         }
 168         if ($values_to_blank){
 169             foreach my $disabledsubf (@disabled){
 170                 if ($marcitem && $marcitem->field($itemtagfield)){
 171                     $marcitem->field($itemtagfield)->update( $disabledsubf => "" );
 172                 }
 173                 else {
 174                     $marcitem = MARC::Record->new();
 175                     $marcitem->append_fields( MARC::Field->new( $itemtagfield, '', '', $disabledsubf => "" ) );
 176                 }
 177             }
 178         }
 179
 180         # For each item
 181         my $i = 1;
 182         foreach my $itemnumber(@itemnumbers){
 183
 184                 $job->progress($i) if $runinbackground;
 185         my $itemdata = Koha::Items->find($itemnumber);
 186         next unless $itemdata; # Should have been tested earlier, but just in case...
 187         $itemdata = $itemdata->unblessed;
 188         if ( $del ){
 189             my $return = DelItemCheck( $itemdata->{'biblionumber'}, $itemdata->{'itemnumber'});
 190                         if ($return == 1) {
 191                             $deleted_items++;
 192                         } else {
 193                             $not_deleted_items++;
 194                             push @not_deleted,
 195                                 { biblionumber => $itemdata->{'biblionumber'},
 196                                   itemnumber => $itemdata->{'itemnumber'},
 197                                   barcode => $itemdata->{'barcode'},
 198                                   title => $itemdata->{'title'},
 199                                   $return => 1
 200                                 };
 201                         }
 202
 203                         # If there are no items left, delete the biblio
 204                         if ( $del_records ) {
 205                             my $itemscount = Koha::Biblios->find( $itemdata->{'biblionumber'} )->items->count;
 206                             if ( $itemscount == 0 ) {
 207                                 my $error = DelBiblio($itemdata->{'biblionumber'});
 208                                 $deleted_records++ unless ( $error );
 209                             }
 210                         }
 211                 } else {
 212             if ($values_to_modify || $values_to_blank) {
 213                 my $localmarcitem = Item2Marc($itemdata);
 214
 215                 my $modified = UpdateMarcWith( $marcitem, $localmarcitem );
 216                 if ( $modified ) {
 217                     eval {
 218                         if ( my $item = ModItemFromMarc( $localmarcitem, $itemdata->{biblionumber}, $itemnumber ) ) {
 219                             LostItem($itemnumber, 'batchmod') if $item->{itemlost} and not $itemdata->{itemlost};
 220                         }
 221                     };
 222                 }
 223                 if ( $runinbackground ) {
 224                     $modified_items++ if $modified;
 225                     $modified_fields += $modified;
 226                     $job->set({
 227                         modified_items  => $modified_items,
 228                         modified_fields => $modified_fields,
 229                     });
 230                 }
 231                     }
 232                 }
 233                 $i++;
 234         }
 235     }
 236 }
 237 #
 238 #-------------------------------------------------------------------------------
 239 # build screen with existing items. and "new" one
 240 #-------------------------------------------------------------------------------
 241
 242 if ($op eq "show"){
 243     my $filefh = $input->upload('uploadfile');
 244     my $filecontent = $input->param('filecontent');
 245     my ( @notfoundbarcodes, @notfounditemnumbers);
 246
 247     my @contentlist;
 248     if ($filefh){
 249         binmode $filefh, ':encoding(UTF-8)';
 250         while (my $content=<$filefh>){
 251             $content =~ s/[\r\n]*$//;
 252             push @contentlist, $content if $content;
 253         }
 254
 255         @contentlist = uniq @contentlist;
 256         if ($filecontent eq 'barcode_file') {
 257             my $existing_items = Koha::Items->search({ barcode => \@contentlist });
 258             @itemnumbers = $existing_items->get_column('itemnumber');
 259             my %exists = map {$_=>1} $existing_items->get_column('barcode');
 260             @notfoundbarcodes = grep { !$exists{$_} } @contentlist;
 261         }
 262         elsif ( $filecontent eq 'itemid_file') {
 263             @itemnumbers = Koha::Items->search({ itemnumber => \@contentlist })->get_column('itemnumber');
 264             my %exists = map {$_=>1} @itemnumbers;
 265             @notfounditemnumbers = grep { !$exists{$_} } @contentlist;
 266         }
 267     } else {
 268         if (defined $biblionumber){
 269             my @all_items = GetItemsInfo( $biblionumber );
 270             foreach my $itm (@all_items) {
 271                 push @itemnumbers, $itm->{itemnumber};
 272             }
 273         }
 274         if ( my $list=$input->param('barcodelist')){
 275             push my @barcodelist, uniq( split(/\s\n/, $list) );
 276
 277             my $existing_items = Koha::Items->search({ barcode => \@barcodelist });
 278             @itemnumbers = $existing_items->get_column('itemnumber');
 279             my @barcodes = $existing_items->get_column('barcode');
 280             my %exists = map {$_=>1} @barcodes;
 281             @notfoundbarcodes = grep { !$exists{$_} } @barcodelist;
 282         }
 283     }
 284
 285     # Flag to tell the template there are valid results, hidden or not
 286     if(scalar(@itemnumbers) > 0){ $template->param("itemresults" => 1); }
 287     # Only display the items if there are no more than pref MaxItemsToProcessForBatchMod or MaxItemsToDisplayForBatchDel
 288     my $max_display_items = $del
 289         ? C4::Context->preference("MaxItemsToDisplayForBatchDel")
 290         : C4::Context->preference("MaxItemsToDisplayForBatchMod");
 291     $template->param("too_many_items_process" => scalar(@itemnumbers)) if !$del && scalar(@itemnumbers) >= C4::Context->preference("MaxItemsToProcessForBatchMod");
 292     if (scalar(@itemnumbers) <= ( $max_display_items // 1000 ) ) {
 293         $items_display_hashref=BuildItemsData(@itemnumbers);
 294     } else {
 295         $template->param("too_many_items_display" => scalar(@itemnumbers));
 296         # Even if we do not display the items, we need the itemnumbers
 297         $template->param(itemnumbers_array => \@itemnumbers);
 298     }
 299 # now, build the item form for entering a new item
 300 my @loop_data =();
 301 my $i=0;
 302 my $branch_limit = C4::Context->userenv ? C4::Context->userenv->{"branch"} : "";
 303
 304 my $libraries = Koha::Libraries->search({}, { order_by => ['branchname'] })->unblessed;# build once ahead of time, instead of multiple times later.
 305
 306 # Adding a default choice, in case the user does not want to modify the branch
 307 my $nochange_branch = { branchname => '', value => '', selected => 1 };
 308 unshift (@$libraries, $nochange_branch);
 309
 310 my $pref_itemcallnumber = C4::Context->preference('itemcallnumber');
 311
 312 # Getting list of subfields to keep when restricted batchmod edit is enabled
 313 my $subfieldsToAllowForBatchmod = C4::Context->preference('SubfieldsToAllowForRestrictedBatchmod');
 314 my $allowAllSubfields = (
 315     not defined $subfieldsToAllowForBatchmod
 316       or $subfieldsToAllowForBatchmod eq q||
 317 ) ? 1 : 0;
 318 my @subfieldsToAllow = split(/ /, $subfieldsToAllowForBatchmod);
 319
 320 foreach my $tag (sort keys %{$tagslib}) {
 321     # loop through each subfield
 322     foreach my $subfield (sort keys %{$tagslib->{$tag}}) {
 323         next if IsMarcStructureInternal( $tagslib->{$tag}{$subfield} );
 324         next if (not $allowAllSubfields and $restrictededition && !grep { $tag . '$' . $subfield eq $_ } @subfieldsToAllow );
 325         next if ($tagslib->{$tag}->{$subfield}->{'tab'} ne "10");
 326         # barcode and stocknumber are not meant to be batch-modified
 327         next if $tagslib->{$tag}->{$subfield}->{'kohafield'} eq 'items.barcode';
 328         next if $tagslib->{$tag}->{$subfield}->{'kohafield'} eq 'items.stocknumber';
 329         my %subfield_data;
 330
 331         my $index_subfield = int(rand(1000000));
 332         if ($subfield eq '@'){
 333             $subfield_data{id} = "tag_".$tag."_subfield_00_".$index_subfield;
 334         } else {
 335             $subfield_data{id} = "tag_".$tag."_subfield_".$subfield."_".$index_subfield;
 336         }
 337         $subfield_data{tag}        = $tag;
 338         $subfield_data{subfield}   = $subfield;
 339         $subfield_data{marc_lib}   ="<span id=\"error$i\" title=\"".$tagslib->{$tag}->{$subfield}->{lib}."\">".$tagslib->{$tag}->{$subfield}->{lib}."</span>";
 340         $subfield_data{mandatory}  = $tagslib->{$tag}->{$subfield}->{mandatory};
 341         $subfield_data{repeatable} = $tagslib->{$tag}->{$subfield}->{repeatable};
 342         my ($x,$value);
 343    if ( $use_default_values) {
 344             $value = $tagslib->{$tag}->{$subfield}->{defaultvalue};
 345             # get today date & replace YYYY, MM, DD if provided in the default value
 346             my $today = dt_from_string;
 347             my $year  = $today->year;
 348             my $month = $today->month;
 349             my $day   = $today->day;
 350             $value =~ s/YYYY/$year/g;
 351             $value =~ s/MM/$month/g;
 352             $value =~ s/DD/$day/g;
 353         }
 354         $subfield_data{visibility} = "display:none;" if (($tagslib->{$tag}->{$subfield}->{hidden} > 4) || ($tagslib->{$tag}->{$subfield}->{hidden} < -4));
 355     # testing branch value if IndependentBranches.
 356
 357         if ( $tagslib->{$tag}->{$subfield}->{authorised_value} ) {
 358         my @authorised_values;
 359         my %authorised_lib;
 360         # builds list, depending on authorised value...
 361
 362     if ( $tagslib->{$tag}->{$subfield}->{authorised_value} eq "branches" ) {
 363         foreach my $library (@$libraries) {
 364             push @authorised_values, $library->{branchcode};
 365             $authorised_lib{$library->{branchcode}} = $library->{branchname};
 366         }
 367         $value = "";
 368     }
 369     elsif ( $tagslib->{$tag}->{$subfield}->{authorised_value} eq "itemtypes" ) {
 370         push @authorised_values, "";
 371         my $itemtypes = Koha::ItemTypes->search_with_localization;
 372         while ( my $itemtype = $itemtypes->next ) {
 373             push @authorised_values, $itemtype->itemtype;
 374             $authorised_lib{$itemtype->itemtype} = $itemtype->translated_description;
 375         }
 376         $value = "";
 377
 378           #---- class_sources
 379       }
 380       elsif ( $tagslib->{$tag}->{$subfield}->{authorised_value} eq "cn_source" ) {
 381           push @authorised_values, "" unless ( $tagslib->{$tag}->{$subfield}->{mandatory} );
 382
 383           my $class_sources = GetClassSources();
 384           my $default_source = C4::Context->preference("DefaultClassificationSource");
 385
 386           foreach my $class_source (sort keys %$class_sources) {
 387               next unless $class_sources->{$class_source}->{'used'} or
 388                           ($value and $class_source eq $value)      or
 389                           ($class_source eq $default_source);
 390               push @authorised_values, $class_source;
 391               $authorised_lib{$class_source} = $class_sources->{$class_source}->{'description'};
 392           }
 393                   $value = '';
 394
 395           #---- "true" authorised value
 396       }
 397       else {
 398           push @authorised_values, ""; # unless ( $tagslib->{$tag}->{$subfield}->{mandatory} );
 399
 400           my @avs = Koha::AuthorisedValues->search({ category => $tagslib->{$tag}->{$subfield}->{authorised_value}, branchcode => $branch_limit },{order_by=>'lib'});
 401           for my $av ( @avs ) {
 402               push @authorised_values, $av->authorised_value;
 403               $authorised_lib{$av->authorised_value} = $av->lib;
 404           }
 405           $value="";
 406       }
 407         $subfield_data{marc_value} = {
 408             type    => 'select',
 409             id      => "tag_".$tag."_subfield_".$subfield."_".$index_subfield,
 410             name    => "field_value",
 411             values  => \@authorised_values,
 412             labels  => \%authorised_lib,
 413             default => $value,
 414         };
 415     # it's a thesaurus / authority field
 416     }
 417     elsif ( $tagslib->{$tag}->{$subfield}->{authtypecode} ) {
 418         $subfield_data{marc_value} = {
 419             type         => 'text1',
 420             id           => $subfield_data{id},
 421             value        => $value,
 422             authtypecode => $tagslib->{$tag}->{$subfield}->{authtypecode},
 423         }
 424     }
 425     elsif ( $tagslib->{$tag}->{$subfield}->{value_builder} ) { # plugin
 426         require Koha::FrameworkPlugin;
 427         my $plugin = Koha::FrameworkPlugin->new( {
 428             name => $tagslib->{$tag}->{$subfield}->{'value_builder'},
 429             item_style => 1,
 430         });
 431         my $temp;
 432         my $pars= { dbh => $dbh, record => $temp, tagslib => $tagslib,
 433             id => $subfield_data{id}, tabloop => \@loop_data };
 434         $plugin->build( $pars );
 435         if( !$plugin->errstr ) {
 436             $subfield_data{marc_value} = {
 437                 type       => 'text2',
 438                 id         => $subfield_data{id},
 439                 value      => $value,
 440                 javascript => $plugin->javascript,
 441                 noclick    => $plugin->noclick,
 442             };
 443         } else {
 444             warn $plugin->errstr;
 445             $subfield_data{marc_value} = { # supply default input form
 446                 type       => 'text',
 447                 id         => $subfield_data{id},
 448                 value      => $value,
 449             };
 450         }
 451     }
 452     elsif ( $tag eq '' ) {       # it's an hidden field
 453             $subfield_data{marc_value} = {
 454                 type       => 'hidden',
 455                 id         => $subfield_data{id},
 456                 value      => $value,
 457             };
 458     }
 459     elsif ( $tagslib->{$tag}->{$subfield}->{'hidden'} ) {   # FIXME: shouldn't input type be "hidden" ?
 460         $subfield_data{marc_value} = {
 461                 type       => 'text',
 462                 id         => $subfield_data{id},
 463                 value      => $value,
 464         };
 465     }
 466     elsif ( length($value) > 100
 467             or (C4::Context->preference("marcflavour") eq "UNIMARC" and
 468                   300 <= $tag && $tag < 400 && $subfield eq 'a' )
 469             or (C4::Context->preference("marcflavour") eq "MARC21"  and
 470                   500 <= $tag && $tag < 600                     )
 471           ) {
 472         # oversize field (textarea)
 473         $subfield_data{marc_value} = {
 474                 type       => 'textarea',
 475                 id         => $subfield_data{id},
 476                 value      => $value,
 477         };
 478     } else {
 479         # it's a standard field
 480         $subfield_data{marc_value} = {
 481                 type       => 'text',
 482                 id         => $subfield_data{id},
 483                 value      => $value,
 484         };
 485     }
 486 #   $subfield_data{marc_value}="<input type=\"text\" name=\"field_value\">";
 487     push (@loop_data, \%subfield_data);
 488     $i++
 489   }
 490 } # -- End foreach tag
 491
 492
 493
 494     # what's the next op ? it's what we are not in : an add if we're editing, otherwise, and edit.
 495     $template->param(
 496         item                => \@loop_data,
 497         notfoundbarcodes    => \@notfoundbarcodes,
 498         notfounditemnumbers => \@notfounditemnumbers
 499     );
 500     $nextop="action"
 501 } # -- End action="show"
 502
 503 $template->param(%$items_display_hashref) if $items_display_hashref;
 504 $template->param(
 505     op      => $nextop,
 506 );
 507 $template->param( $op => 1 ) if $op;
 508
 509 if ($op eq "action") {
 510
 511     #my @not_deleted_loop = map{{itemnumber=>$_}}@not_deleted;
 512
 513     $template->param(
 514         not_deleted_items => $not_deleted_items,
 515         deleted_items => $deleted_items,
 516         delete_records => $del_records,
 517         deleted_records => $deleted_records,
 518         not_deleted_loop => \@not_deleted
 519     );
 520 }
 521
 522 foreach my $error (@errors) {
 523     $template->param($error => 1) if $error;
 524 }
 525 $template->param(src => $src);
 526 $template->param(biblionumber => $biblionumber);
 527 output_html_with_http_headers $input, $cookie, $template->output;
 528 exit;
 529
 530
 531 # ---------------- Functions
 532
 533 sub BuildItemsData{
 534         my @itemnumbers=@_;
 535                 # now, build existiing item list
 536                 my %witness; #---- stores the list of subfields used at least once, with the "meaning" of the code
 537                 my @big_array;
 538                 #---- finds where items.itemnumber is stored
 539     my (  $itemtagfield,   $itemtagsubfield) = &GetMarcFromKohaField( "items.itemnumber" );
 540     my ($branchtagfield, $branchtagsubfield) = &GetMarcFromKohaField( "items.homebranch" );
 541                 foreach my $itemnumber (@itemnumbers){
 542             my $itemdata = Koha::Items->find($itemnumber);
 543             next unless $itemdata; # Should have been tested earlier, but just in case...
 544             $itemdata = $itemdata->unblessed;
 545                         my $itemmarc=Item2Marc($itemdata);
 546                         my %this_row;
 547                         foreach my $field (grep {$_->tag() eq $itemtagfield} $itemmarc->fields()) {
 548                                 # loop through each subfield
 549                                 my $itembranchcode=$field->subfield($branchtagsubfield);
 550                 if ($itembranchcode && C4::Context->preference("IndependentBranches")) {
 551                                                 #verifying rights
 552                                                 my $userenv = C4::Context->userenv();
 553                         unless (C4::Context->IsSuperLibrarian() or (($userenv->{'branch'} eq $itembranchcode))){
 554                                                                 $this_row{'nomod'}=1;
 555                                                 }
 556                                 }
 557                                 my $tag=$field->tag();
 558                                 foreach my $subfield ($field->subfields) {
 559                                         my ($subfcode,$subfvalue)=@$subfield;
 560                                         next if ($tagslib->{$tag}->{$subfcode}->{tab} ne 10
 561                                                         && $tag        ne $itemtagfield
 562                                                         && $subfcode   ne $itemtagsubfield);
 563
 564                                         $witness{$subfcode} = $tagslib->{$tag}->{$subfcode}->{lib} if ($tagslib->{$tag}->{$subfcode}->{tab}  eq 10);
 565                                         if ($tagslib->{$tag}->{$subfcode}->{tab}  eq 10) {
 566                                                 $this_row{$subfcode}=GetAuthorisedValueDesc( $tag,
 567                                                                         $subfcode, $subfvalue, '', $tagslib)
 568                                                                         || $subfvalue;
 569                                         }
 570
 571                                         $this_row{itemnumber} = $subfvalue if ($tag eq $itemtagfield && $subfcode eq $itemtagsubfield);
 572                                 }
 573                         }
 574
 575             # grab title, author, and ISBN to identify bib that the item
 576             # belongs to in the display
 577             my $biblio = Koha::Biblios->find( $itemdata->{biblionumber} );
 578             $this_row{title}        = $biblio->title;
 579             $this_row{author}       = $biblio->author;
 580             $this_row{isbn}         = $biblio->biblioitem->isbn;
 581             $this_row{biblionumber} = $biblio->biblionumber;
 582             $this_row{holds}        = $biblio->holds->count;
 583             $this_row{item_holds}   = Koha::Holds->search( itemnumber => $itemnumber )->count;
 584
 585                         if (%this_row) {
 586                                 push(@big_array, \%this_row);
 587                         }
 588                 }
 589                 @big_array = sort {$a->{0} cmp $b->{0}} @big_array;
 590
 591                 # now, construct template !
 592                 # First, the existing items for display
 593                 my @item_value_loop;
 594                 my @witnesscodessorted=sort keys %witness;
 595                 for my $row ( @big_array ) {
 596                         my %row_data;
 597                         my @item_fields = map +{ field => $_ || '' }, @$row{ @witnesscodessorted };
 598                         $row_data{item_value} = [ @item_fields ];
 599                         $row_data{itemnumber} = $row->{itemnumber};
 600                         #reporting this_row values
 601                         $row_data{'nomod'} = $row->{'nomod'};
 602       $row_data{bibinfo} = $row->{bibinfo};
 603       $row_data{author} = $row->{author};
 604       $row_data{title} = $row->{title};
 605       $row_data{isbn} = $row->{isbn};
 606       $row_data{biblionumber} = $row->{biblionumber};
 607       $row_data{holds}        = $row->{holds};
 608       $row_data{item_holds}   = $row->{item_holds};
 609       my $is_on_loan = C4::Circulation::IsItemIssued( $row->{itemnumber} );
 610       $row_data{onloan} = $is_on_loan ? 1 : 0;
 611                         push(@item_value_loop,\%row_data);
 612                 }
 613                 my @header_loop=map { { header_value=> $witness{$_}} } @witnesscodessorted;
 614
 615         return { item_loop        => \@item_value_loop, item_header_loop => \@header_loop };
 616 }
 617
 618 #BE WARN : it is not the general case
 619 # This function can be OK in the item marc record special case
 620 # Where subfield is not repeated
 621 # And where we are sure that field should correspond
 622 # And $tag>10
 623 sub UpdateMarcWith {
 624   my ($marcfrom,$marcto)=@_;
 625     my (  $itemtag,   $itemtagsubfield) = &GetMarcFromKohaField( "items.itemnumber" );
 626     my $fieldfrom=$marcfrom->field($itemtag);
 627     my @fields_to=$marcto->field($itemtag);
 628     my $modified = 0;
 629     foreach my $subfield ( $fieldfrom->subfields() ) {
 630         foreach my $field_to_update ( @fields_to ) {
 631             if ( $subfield->[1] ) {
 632                 unless ( $field_to_update->subfield($subfield->[0]) eq $subfield->[1] ) {
 633                     $modified++;
 634                     $field_to_update->update( $subfield->[0] => $subfield->[1] );
 635                 }
 636             }
 637             else {
 638                 $modified++;
 639                 $field_to_update->delete_subfield( code => $subfield->[0] );
 640             }
 641         }
 642     }
 643     return $modified;
 644 }
 645
 646 sub find_value {
 647     my ($tagfield,$insubfield,$record) = @_;
 648     my $result;
 649     my $indicator;
 650     foreach my $field ($record->field($tagfield)) {
 651         my @subfields = $field->subfields();
 652         foreach my $subfield (@subfields) {
 653             if (@$subfield[0] eq $insubfield) {
 654                 $result .= @$subfield[1];
 655                 $indicator = $field->indicator(1).$field->indicator(2);
 656             }
 657         }
 658     }
 659     return($indicator,$result);
 660 }
 661
 662 # ----------------------------
 663 # Background functions
 664
 665
 666 sub add_results_to_template {
 667     my $template = shift;
 668     my $results = shift;
 669     $template->param(map { $_ => $results->{$_} } keys %{ $results });
 670 }
 671
 672 sub add_saved_job_results_to_template {
 673     my $template = shift;
 674     my $completedJobID = shift;
 675     my $job = C4::BackgroundJob->fetch($sessionID, $completedJobID);
 676     my $results = $job->results();
 677     add_results_to_template($template, $results);
 678
 679     my $fields = $job->get("modified_fields");
 680     my $items = $job->get("modified_items");
 681     $template->param(
 682         modified_items => $items,
 683         modified_fields => $fields,
 684     );
 685 }
 686
 687 sub put_in_background {
 688     my $job_size = shift;
 689
 690     my $job = C4::BackgroundJob->new($sessionID, "test", '/cgi-bin/koha/tools/batchMod.pl', $job_size);
 691     my $jobID = $job->id();
 692
 693     # fork off
 694     if (my $pid = fork) {
 695         # parent
 696         # return job ID as JSON
 697
 698         # prevent parent exiting from
 699         # destroying the kid's database handle
 700         # FIXME: according to DBI doc, this may not work for Oracle
 701         $dbh->{InactiveDestroy}  = 1;
 702
 703         my $reply = CGI->new("");
 704         print $reply->header(-type => 'text/html');
 705         print '{"jobID":"' . $jobID . '"}';
 706         exit 0;
 707     } elsif (defined $pid) {
 708         # child
 709         # close STDOUT to signal to Apache that
 710         # we're now running in the background
 711         close STDOUT;
 712         close STDERR;
 713     } else {
 714         # fork failed, so exit immediately
 715         warn "fork failed while attempting to run tools/batchMod.pl as a background job";
 716         exit 0;
 717     }
 718     return $job;
 719 }
 720
 721
 722