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 strict;
  23 #use warnings; FIXME - Bug 2505
  24 use C4::Auth;
  25 use C4::Output;
  26 use C4::Biblio;
  27 use C4::Items;
  28 use C4::Circulation;
  29 use C4::Context;
  30 use C4::Koha; # XXX subfield_is_koha_internal_p
  31 use C4::Branch; # XXX subfield_is_koha_internal_p
  32 use C4::BackgroundJob;
  33 use C4::ClassSource;
  34 use C4::Debug;
  35 use C4::Members;
  36 use MARC::File::XML;
  37 use List::MoreUtils qw/uniq/;
  38 use Koha::DateUtils;
  39
  40 my $input = new CGI;
  41 my $dbh = C4::Context->dbh;
  42 my $error        = $input->param('error');
  43 my @itemnumbers  = $input->param('itemnumber');
  44 my $biblionumber = $input->param('biblionumber');
  45 my $op           = $input->param('op');
  46 my $del          = $input->param('del');
  47 my $del_records  = $input->param('del_records');
  48 my $completedJobID = $input->param('completedJobID');
  49 my $runinbackground = $input->param('runinbackground');
  50 my $src          = $input->param('src');
  51 my $use_default_values = $input->param('use_default_values');
  52
  53 my $template_name;
  54 my $template_flag;
  55 if (!defined $op) {
  56     $template_name = "tools/batchMod.tt";
  57     $template_flag = { tools => '*' };
  58     $op = q{};
  59 } else {
  60     $template_name = ($del) ? "tools/batchMod-del.tt" : "tools/batchMod-edit.tt";
  61     $template_flag = ($del) ? { tools => 'items_batchdel' }   : { tools => 'items_batchmod' };
  62 }
  63
  64
  65 my ($template, $loggedinuser, $cookie)
  66     = get_template_and_user({template_name => $template_name,
  67                  query => $input,
  68                  type => "intranet",
  69                  authnotrequired => 0,
  70                  flagsrequired => $template_flag,
  71                  });
  72
  73 # Does the user have a restricted item edition permission?
  74 my $uid = $loggedinuser ? GetMember( borrowernumber => $loggedinuser )->{userid} : undef;
  75 my $restrictededition = $uid ? haspermission($uid,  {'tools' => 'items_batchmod_restricted'}) : undef;
  76 # In case user is a superlibrarian, edition is not restricted
  77 $restrictededition = 0 if ($restrictededition != 0 && C4::Context->IsSuperLibrarian());
  78
  79 $template->param(del       => $del);
  80
  81 my $itemrecord;
  82 my $nextop="";
  83 my @errors; # store errors found while checking data BEFORE saving item.
  84 my $items_display_hashref;
  85 our $tagslib = &GetMarcStructure(1);
  86
  87 my $deleted_items = 0;     # Number of deleted items
  88 my $deleted_records = 0;   # Number of deleted records ( with no items attached )
  89 my $not_deleted_items = 0; # Number of items that could not be deleted
  90 my @not_deleted;           # List of the itemnumbers that could not be deleted
  91 my $modified_items = 0;    # Numbers of modified items
  92 my $modified_fields = 0;   # Numbers of modified fields
  93
  94 my %cookies = parse CGI::Cookie($cookie);
  95 my $sessionID = $cookies{'CGISESSID'}->value;
  96
  97
  98 #--- ----------------------------------------------------------------------------
  99 if ($op eq "action") {
 100 #-------------------------------------------------------------------------------
 101     my @tags      = $input->param('tag');
 102     my @subfields = $input->param('subfield');
 103     my @values    = $input->param('field_value');
 104     my @disabled  = $input->param('disable_input');
 105     # build indicator hash.
 106     my @ind_tag   = $input->param('ind_tag');
 107     my @indicator = $input->param('indicator');
 108
 109     # Is there something to modify ?
 110     # TODO : We shall use this var to warn the user in case no modification was done to the items
 111     my $values_to_modify = scalar(grep {!/^$/} @values);
 112     my $values_to_blank  = scalar(@disabled);
 113     my $marcitem;
 114
 115     # Once the job is done
 116     if ($completedJobID) {
 117         # If we have a reasonable amount of items, we display them
 118     if (scalar(@itemnumbers) <= ( C4::Context->preference("MaxItemsForBatch") // 1000 ) ) {
 119             $items_display_hashref=BuildItemsData(@itemnumbers);
 120         } else {
 121             # Else, we only display the barcode
 122             my @simple_items_display = map {{ itemnumber => $_, barcode => (GetBarcodeFromItemnumber($_) or ""), biblionumber => (GetBiblionumberFromItemnumber($_) or "") }} @itemnumbers;
 123             $template->param("simple_items_display" => \@simple_items_display);
 124         }
 125
 126         # Setting the job as done
 127         my $job = C4::BackgroundJob->fetch($sessionID, $completedJobID);
 128
 129         # Calling the template
 130         add_saved_job_results_to_template($template, $completedJobID);
 131
 132     } else {
 133     # While the job is getting done
 134
 135         # Job size is the number of items we have to process
 136         my $job_size = scalar(@itemnumbers);
 137         my $job = undef;
 138
 139         # If we asked for background processing
 140         if ($runinbackground) {
 141             $job = put_in_background($job_size);
 142         }
 143
 144         #initializing values for updates
 145         my (  $itemtagfield,   $itemtagsubfield) = &GetMarcFromKohaField("items.itemnumber", "");
 146         if ($values_to_modify){
 147             my $xml = TransformHtmlToXml(\@tags,\@subfields,\@values,\@indicator,\@ind_tag, 'ITEM');
 148             $marcitem = MARC::Record::new_from_xml($xml, 'UTF-8');
 149         }
 150         if ($values_to_blank){
 151             foreach my $disabledsubf (@disabled){
 152                 if ($marcitem && $marcitem->field($itemtagfield)){
 153                     $marcitem->field($itemtagfield)->update( $disabledsubf => "" );
 154                 }
 155                 else {
 156                     $marcitem = MARC::Record->new();
 157                     $marcitem->append_fields( MARC::Field->new( $itemtagfield, '', '', $disabledsubf => "" ) );
 158                 }
 159             }
 160         }
 161
 162         # For each item
 163         my $i = 1;
 164         foreach my $itemnumber(@itemnumbers){
 165
 166                 $job->progress($i) if $runinbackground;
 167                 my $itemdata = GetItem($itemnumber);
 168         if ( $del ){
 169                         my $return = DelItemCheck(C4::Context->dbh, $itemdata->{'biblionumber'}, $itemdata->{'itemnumber'});
 170                         if ($return == 1) {
 171                             $deleted_items++;
 172                         } else {
 173                             $not_deleted_items++;
 174                             push @not_deleted,
 175                                 { biblionumber => $itemdata->{'biblionumber'},
 176                                   itemnumber => $itemdata->{'itemnumber'},
 177                                   barcode => $itemdata->{'barcode'},
 178                                   title => $itemdata->{'title'},
 179                                   $return => 1
 180                                 };
 181                         }
 182
 183                         # If there are no items left, delete the biblio
 184                         if ( $del_records ) {
 185                             my $itemscount = GetItemsCount($itemdata->{'biblionumber'});
 186                             if ( $itemscount == 0 ) {
 187                                 my $error = DelBiblio($itemdata->{'biblionumber'});
 188                                 $deleted_records++ unless ( $error );
 189                             }
 190                         }
 191                 } else {
 192             if ($values_to_modify || $values_to_blank) {
 193                 my $localmarcitem = Item2Marc($itemdata);
 194
 195                 my $modified = UpdateMarcWith( $marcitem, $localmarcitem );
 196                 if ( $modified ) {
 197                     eval {
 198                         if ( my $item = ModItemFromMarc( $localmarcitem, $itemdata->{biblionumber}, $itemnumber ) ) {
 199                             LostItem($itemnumber, 'MARK RETURNED') if $item->{itemlost} and not $itemdata->{itemlost};
 200                         }
 201                     };
 202                 }
 203                 if ( $runinbackground ) {
 204                     $modified_items++ if $modified;
 205                     $modified_fields += $modified;
 206                     $job->set({
 207                         modified_items  => $modified_items,
 208                         modified_fields => $modified_fields,
 209                     });
 210                 }
 211                     }
 212                 }
 213                 $i++;
 214         }
 215     }
 216 }
 217 #
 218 #-------------------------------------------------------------------------------
 219 # build screen with existing items. and "new" one
 220 #-------------------------------------------------------------------------------
 221
 222 if ($op eq "show"){
 223     my $filefh = $input->upload('uploadfile');
 224     my $filecontent = $input->param('filecontent');
 225     my @notfoundbarcodes;
 226
 227     my @contentlist;
 228     if ($filefh){
 229         while (my $content=<$filefh>){
 230             $content =~ s/[\r\n]*$//;
 231             push @contentlist, $content if $content;
 232         }
 233
 234         if ($filecontent eq 'barcode_file') {
 235             foreach my $barcode (@contentlist) {
 236
 237                 my $itemnumber = GetItemnumberFromBarcode($barcode);
 238                 if ($itemnumber) {
 239                     push @itemnumbers,$itemnumber;
 240                 } else {
 241                     push @notfoundbarcodes, $barcode;
 242                 }
 243             }
 244         }
 245         elsif ( $filecontent eq 'itemid_file') {
 246             @itemnumbers = @contentlist;
 247         }
 248     } else {
 249         if (defined $biblionumber){
 250             my @all_items = GetItemsInfo( $biblionumber );
 251             foreach my $itm (@all_items) {
 252                 push @itemnumbers, $itm->{itemnumber};
 253             }
 254         }
 255         if ( my $list=$input->param('barcodelist')){
 256             push my @barcodelist, uniq( split(/\s\n/, $list) );
 257
 258             foreach my $barcode (@barcodelist) {
 259
 260                 my $itemnumber = GetItemnumberFromBarcode($barcode);
 261                 if ($itemnumber) {
 262                     push @itemnumbers,$itemnumber;
 263                 } else {
 264                     push @notfoundbarcodes, $barcode;
 265                 }
 266             }
 267
 268         }
 269     }
 270
 271     # Flag to tell the template there are valid results, hidden or not
 272     if(scalar(@itemnumbers) > 0){ $template->param("itemresults" => 1); }
 273     # Only display the items if there are no more than pref MaxItemsForBatch
 274     if (scalar(@itemnumbers) <= ( C4::Context->preference("MaxItemsForBatch") // 1000 ) ) {
 275         $items_display_hashref=BuildItemsData(@itemnumbers);
 276     } else {
 277         $template->param("too_many_items" => scalar(@itemnumbers));
 278         # Even if we do not display the items, we need the itemnumbers
 279         $template->param(itemnumbers_array => \@itemnumbers);
 280     }
 281 # now, build the item form for entering a new item
 282 my @loop_data =();
 283 my $i=0;
 284 my $branch_limit = C4::Context->userenv ? C4::Context->userenv->{"branch"} : "";
 285 my $query = qq{SELECT authorised_value, lib FROM authorised_values};
 286 $query  .= qq{ LEFT JOIN authorised_values_branches ON ( id = av_id ) } if $branch_limit;
 287 $query  .= qq{ WHERE category = ?};
 288 $query  .= qq{ AND ( branchcode = ? OR branchcode IS NULL ) } if $branch_limit;
 289 $query  .= qq{ GROUP BY lib ORDER BY lib, lib_opac};
 290 my $authorised_values_sth = $dbh->prepare( $query );
 291
 292 my $branches = GetBranchesLoop();  # build once ahead of time, instead of multiple times later.
 293
 294 # Adding a default choice, in case the user does not want to modify the branch
 295 my $nochange_branch = { branchname => '', value => '', selected => 1 };
 296 unshift (@$branches, $nochange_branch);
 297
 298 my $pref_itemcallnumber = C4::Context->preference('itemcallnumber');
 299
 300 # Getting list of subfields to keep when restricted batchmod edit is enabled
 301 my $subfieldsToAllowForBatchmod = C4::Context->preference('SubfieldsToAllowForRestrictedBatchmod');
 302 my $allowAllSubfields = (
 303     not defined $subfieldsToAllowForBatchmod
 304       or $subfieldsToAllowForBatchmod == q||
 305 ) ? 1 : 0;
 306 my @subfieldsToAllow = split(/ /, $subfieldsToAllowForBatchmod);
 307
 308 foreach my $tag (sort keys %{$tagslib}) {
 309     # loop through each subfield
 310     foreach my $subfield (sort keys %{$tagslib->{$tag}}) {
 311         next if subfield_is_koha_internal_p($subfield);
 312         next if (not $allowAllSubfields and $restrictededition && !grep { $tag . '$' . $subfield eq $_ } @subfieldsToAllow );
 313         next if ($tagslib->{$tag}->{$subfield}->{'tab'} ne "10");
 314         # barcode and stocknumber are not meant to be batch-modified
 315         next if $tagslib->{$tag}->{$subfield}->{'kohafield'} eq 'items.barcode';
 316         next if $tagslib->{$tag}->{$subfield}->{'kohafield'} eq 'items.stocknumber';
 317         my %subfield_data;
 318
 319         my $index_subfield = int(rand(1000000));
 320         if ($subfield eq '@'){
 321             $subfield_data{id} = "tag_".$tag."_subfield_00_".$index_subfield;
 322         } else {
 323             $subfield_data{id} = "tag_".$tag."_subfield_".$subfield."_".$index_subfield;
 324         }
 325         $subfield_data{tag}        = $tag;
 326         $subfield_data{subfield}   = $subfield;
 327         $subfield_data{marc_lib}   ="<span id=\"error$i\" title=\"".$tagslib->{$tag}->{$subfield}->{lib}."\">".$tagslib->{$tag}->{$subfield}->{lib}."</span>";
 328         $subfield_data{mandatory}  = $tagslib->{$tag}->{$subfield}->{mandatory};
 329         $subfield_data{repeatable} = $tagslib->{$tag}->{$subfield}->{repeatable};
 330         my ($x,$value);
 331         $value =~ s/"/&quot;/g;
 332    if ( !$value && $use_default_values) {
 333             $value = $tagslib->{$tag}->{$subfield}->{defaultvalue};
 334             # get today date & replace YYYY, MM, DD if provided in the default value
 335             my $today = dt_from_string;
 336             my $year  = $today->year;
 337             my $month = $today->month;
 338             my $day   = $today->day;
 339             $value =~ s/YYYY/$year/g;
 340             $value =~ s/MM/$month/g;
 341             $value =~ s/DD/$day/g;
 342         }
 343         $subfield_data{visibility} = "display:none;" if (($tagslib->{$tag}->{$subfield}->{hidden} > 4) || ($tagslib->{$tag}->{$subfield}->{hidden} < -4));
 344     # testing branch value if IndependentBranches.
 345
 346         if ( $tagslib->{$tag}->{$subfield}->{authorised_value} ) {
 347         my @authorised_values;
 348         my %authorised_lib;
 349         # builds list, depending on authorised value...
 350
 351         if ( $tagslib->{$tag}->{$subfield}->{authorised_value} eq "branches" ) {
 352             foreach my $thisbranch (@$branches) {
 353                 push @authorised_values, $thisbranch->{value};
 354                 $authorised_lib{$thisbranch->{value}} = $thisbranch->{branchname};
 355             }
 356         $value = "";
 357         }
 358     elsif ( $tagslib->{$tag}->{$subfield}->{authorised_value} eq "itemtypes" ) {
 359         push @authorised_values, "";
 360         my $itemtypes = GetItemTypes( style => 'array' );
 361         for my $itemtype ( @$itemtypes ) {
 362             push @authorised_values, $itemtype->{itemtype};
 363             $authorised_lib{$itemtype->{itemtype}} = $itemtype->{translated_description};
 364         }
 365         $value = "";
 366
 367           #---- class_sources
 368       }
 369       elsif ( $tagslib->{$tag}->{$subfield}->{authorised_value} eq "cn_source" ) {
 370           push @authorised_values, "" unless ( $tagslib->{$tag}->{$subfield}->{mandatory} );
 371
 372           my $class_sources = GetClassSources();
 373           my $default_source = C4::Context->preference("DefaultClassificationSource");
 374
 375           foreach my $class_source (sort keys %$class_sources) {
 376               next unless $class_sources->{$class_source}->{'used'} or
 377                           ($value and $class_source eq $value)      or
 378                           ($class_source eq $default_source);
 379               push @authorised_values, $class_source;
 380               $authorised_lib{$class_source} = $class_sources->{$class_source}->{'description'};
 381           }
 382                   $value = '';
 383
 384           #---- "true" authorised value
 385       }
 386       else {
 387           push @authorised_values, ""; # unless ( $tagslib->{$tag}->{$subfield}->{mandatory} );
 388           $authorised_values_sth->execute( $tagslib->{$tag}->{$subfield}->{authorised_value}, $branch_limit ? $branch_limit : () );
 389           while ( my ( $value, $lib ) = $authorised_values_sth->fetchrow_array ) {
 390               push @authorised_values, $value;
 391               $authorised_lib{$value} = $lib;
 392           }
 393           $value="";
 394       }
 395         $subfield_data{marc_value} = {
 396             type    => 'select',
 397             id      => "tag_".$tag."_subfield_".$subfield."_".$index_subfield,
 398             name    => "field_value",
 399             values  => \@authorised_values,
 400             labels  => \%authorised_lib,
 401             default => $value,
 402         };
 403     # it's a thesaurus / authority field
 404     }
 405     elsif ( $tagslib->{$tag}->{$subfield}->{authtypecode} ) {
 406         $subfield_data{marc_value} = {
 407             type         => 'text1',
 408             id           => $subfield_data{id},
 409             value        => $value,
 410             authtypecode => $tagslib->{$tag}->{$subfield}->{authtypecode},
 411         }
 412     }
 413     elsif ( $tagslib->{$tag}->{$subfield}->{value_builder} ) { # plugin
 414         require Koha::FrameworkPlugin;
 415         my $plugin = Koha::FrameworkPlugin->new( {
 416             name => $tagslib->{$tag}->{$subfield}->{'value_builder'},
 417             item_style => 1,
 418         });
 419         my $temp;
 420         my $pars= { dbh => $dbh, record => $temp, tagslib => $tagslib,
 421             id => $subfield_data{id}, tabloop => \@loop_data };
 422         $plugin->build( $pars );
 423         if( !$plugin->errstr ) {
 424             $subfield_data{marc_value} = {
 425                 type       => 'text2',
 426                 id         => $subfield_data{id},
 427                 value      => $value,
 428                 javascript => $plugin->javascript,
 429                 noclick    => $plugin->noclick,
 430             };
 431         } else {
 432             warn $plugin->errstr;
 433             $subfield_data{marc_value} = { # supply default input form
 434                 type       => 'text',
 435                 id         => $subfield_data{id},
 436                 value      => $value,
 437             };
 438         }
 439     }
 440     elsif ( $tag eq '' ) {       # it's an hidden field
 441             $subfield_data{marc_value} = {
 442                 type       => 'hidden',
 443                 id         => $subfield_data{id},
 444                 value      => $value,
 445             };
 446     }
 447     elsif ( $tagslib->{$tag}->{$subfield}->{'hidden'} ) {   # FIXME: shouldn't input type be "hidden" ?
 448         $subfield_data{marc_value} = {
 449                 type       => 'text',
 450                 id         => $subfield_data{id},
 451                 value      => $value,
 452         };
 453     }
 454     elsif ( length($value) > 100
 455             or (C4::Context->preference("marcflavour") eq "UNIMARC" and
 456                   300 <= $tag && $tag < 400 && $subfield eq 'a' )
 457             or (C4::Context->preference("marcflavour") eq "MARC21"  and
 458                   500 <= $tag && $tag < 600                     )
 459           ) {
 460         # oversize field (textarea)
 461         $subfield_data{marc_value} = {
 462                 type       => 'textarea',
 463                 id         => $subfield_data{id},
 464                 value      => $value,
 465         };
 466     } else {
 467         # it's a standard field
 468         $subfield_data{marc_value} = {
 469                 type       => 'text',
 470                 id         => $subfield_data{id},
 471                 value      => $value,
 472         };
 473     }
 474 #   $subfield_data{marc_value}="<input type=\"text\" name=\"field_value\">";
 475     push (@loop_data, \%subfield_data);
 476     $i++
 477   }
 478 } # -- End foreach tag
 479 $authorised_values_sth->finish;
 480
 481
 482
 483     # what's the next op ? it's what we are not in : an add if we're editing, otherwise, and edit.
 484     $template->param(item => \@loop_data);
 485     if (@notfoundbarcodes) {
 486         my @notfoundbarcodesloop = map{{barcode=>$_}}@notfoundbarcodes;
 487         $template->param(notfoundbarcodes => \@notfoundbarcodesloop);
 488     }
 489     $nextop="action"
 490 } # -- End action="show"
 491
 492 $template->param(%$items_display_hashref) if $items_display_hashref;
 493 $template->param(
 494     op      => $nextop,
 495 );
 496 $template->param( $op => 1 ) if $op;
 497
 498 if ($op eq "action") {
 499
 500     #my @not_deleted_loop = map{{itemnumber=>$_}}@not_deleted;
 501
 502     $template->param(
 503         not_deleted_items => $not_deleted_items,
 504         deleted_items => $deleted_items,
 505         delete_records => $del_records,
 506         deleted_records => $deleted_records,
 507         not_deleted_loop => \@not_deleted
 508     );
 509 }
 510
 511 foreach my $error (@errors) {
 512     $template->param($error => 1) if $error;
 513 }
 514 $template->param(src => $src);
 515 $template->param(biblionumber => $biblionumber);
 516 output_html_with_http_headers $input, $cookie, $template->output;
 517 exit;
 518
 519
 520 # ---------------- Functions
 521
 522 sub BuildItemsData{
 523         my @itemnumbers=@_;
 524                 # now, build existiing item list
 525                 my %witness; #---- stores the list of subfields used at least once, with the "meaning" of the code
 526                 my @big_array;
 527                 #---- finds where items.itemnumber is stored
 528                 my (  $itemtagfield,   $itemtagsubfield) = &GetMarcFromKohaField("items.itemnumber", "");
 529                 my ($branchtagfield, $branchtagsubfield) = &GetMarcFromKohaField("items.homebranch", "");
 530                 foreach my $itemnumber (@itemnumbers){
 531                         my $itemdata=GetItem($itemnumber);
 532                         my $itemmarc=Item2Marc($itemdata);
 533                         my %this_row;
 534                         foreach my $field (grep {$_->tag() eq $itemtagfield} $itemmarc->fields()) {
 535                                 # loop through each subfield
 536                                 my $itembranchcode=$field->subfield($branchtagsubfield);
 537                 if ($itembranchcode && C4::Context->preference("IndependentBranches")) {
 538                                                 #verifying rights
 539                                                 my $userenv = C4::Context->userenv();
 540                         unless (C4::Context->IsSuperLibrarian() or (($userenv->{'branch'} eq $itembranchcode))){
 541                                                                 $this_row{'nomod'}=1;
 542                                                 }
 543                                 }
 544                                 my $tag=$field->tag();
 545                                 foreach my $subfield ($field->subfields) {
 546                                         my ($subfcode,$subfvalue)=@$subfield;
 547                                         next if ($tagslib->{$tag}->{$subfcode}->{tab} ne 10
 548                                                         && $tag        ne $itemtagfield
 549                                                         && $subfcode   ne $itemtagsubfield);
 550
 551                                         $witness{$subfcode} = $tagslib->{$tag}->{$subfcode}->{lib} if ($tagslib->{$tag}->{$subfcode}->{tab}  eq 10);
 552                                         if ($tagslib->{$tag}->{$subfcode}->{tab}  eq 10) {
 553                                                 $this_row{$subfcode}=GetAuthorisedValueDesc( $tag,
 554                                                                         $subfcode, $subfvalue, '', $tagslib)
 555                                                                         || $subfvalue;
 556                                         }
 557
 558                                         $this_row{itemnumber} = $subfvalue if ($tag eq $itemtagfield && $subfcode eq $itemtagsubfield);
 559                                 }
 560                         }
 561
 562             # grab title, author, and ISBN to identify bib that the item
 563             # belongs to in the display
 564                          my $biblio=GetBiblioData($$itemdata{biblionumber});
 565             $this_row{title} = $biblio->{title};
 566             $this_row{author} = $biblio->{author};
 567             $this_row{isbn} = $biblio->{isbn};
 568             $this_row{biblionumber} = $biblio->{biblionumber};
 569
 570                         if (%this_row) {
 571                                 push(@big_array, \%this_row);
 572                         }
 573                 }
 574                 @big_array = sort {$a->{0} cmp $b->{0}} @big_array;
 575
 576                 # now, construct template !
 577                 # First, the existing items for display
 578                 my @item_value_loop;
 579                 my @witnesscodessorted=sort keys %witness;
 580                 for my $row ( @big_array ) {
 581                         my %row_data;
 582                         my @item_fields = map +{ field => $_ || '' }, @$row{ @witnesscodessorted };
 583                         $row_data{item_value} = [ @item_fields ];
 584                         $row_data{itemnumber} = $row->{itemnumber};
 585                         #reporting this_row values
 586                         $row_data{'nomod'} = $row->{'nomod'};
 587       $row_data{bibinfo} = $row->{bibinfo};
 588       $row_data{author} = $row->{author};
 589       $row_data{title} = $row->{title};
 590       $row_data{isbn} = $row->{isbn};
 591       $row_data{biblionumber} = $row->{biblionumber};
 592       my $is_on_loan = C4::Circulation::IsItemIssued( $row->{itemnumber} );
 593       $row_data{onloan} = $is_on_loan ? 1 : 0;
 594                         push(@item_value_loop,\%row_data);
 595                 }
 596                 my @header_loop=map { { header_value=> $witness{$_}} } @witnesscodessorted;
 597
 598         return { item_loop        => \@item_value_loop, item_header_loop => \@header_loop };
 599 }
 600
 601 #BE WARN : it is not the general case
 602 # This function can be OK in the item marc record special case
 603 # Where subfield is not repeated
 604 # And where we are sure that field should correspond
 605 # And $tag>10
 606 sub UpdateMarcWith {
 607   my ($marcfrom,$marcto)=@_;
 608     my (  $itemtag,   $itemtagsubfield) = &GetMarcFromKohaField("items.itemnumber", "");
 609     my $fieldfrom=$marcfrom->field($itemtag);
 610     my @fields_to=$marcto->field($itemtag);
 611     my $modified = 0;
 612     foreach my $subfield ( $fieldfrom->subfields() ) {
 613         foreach my $field_to_update ( @fields_to ) {
 614             if ( $subfield->[1] ) {
 615                 unless ( $field_to_update->subfield($subfield->[0]) eq $subfield->[1] ) {
 616                     $modified++;
 617                     $field_to_update->update( $subfield->[0] => $subfield->[1] );
 618                 }
 619             }
 620             else {
 621                 $modified++;
 622                 $field_to_update->delete_subfield( code => $subfield->[0] );
 623             }
 624         }
 625     }
 626     return $modified;
 627 }
 628
 629 sub find_value {
 630     my ($tagfield,$insubfield,$record) = @_;
 631     my $result;
 632     my $indicator;
 633     foreach my $field ($record->field($tagfield)) {
 634         my @subfields = $field->subfields();
 635         foreach my $subfield (@subfields) {
 636             if (@$subfield[0] eq $insubfield) {
 637                 $result .= @$subfield[1];
 638                 $indicator = $field->indicator(1).$field->indicator(2);
 639             }
 640         }
 641     }
 642     return($indicator,$result);
 643 }
 644
 645 # ----------------------------
 646 # Background functions
 647
 648
 649 sub add_results_to_template {
 650     my $template = shift;
 651     my $results = shift;
 652     $template->param(map { $_ => $results->{$_} } keys %{ $results });
 653 }
 654
 655 sub add_saved_job_results_to_template {
 656     my $template = shift;
 657     my $completedJobID = shift;
 658     my $job = C4::BackgroundJob->fetch($sessionID, $completedJobID);
 659     my $results = $job->results();
 660     add_results_to_template($template, $results);
 661
 662     my $fields = $job->get("modified_fields");
 663     my $items = $job->get("modified_items");
 664     $template->param(
 665         modified_items => $items,
 666         modified_fields => $fields,
 667     );
 668 }
 669
 670 sub put_in_background {
 671     my $job_size = shift;
 672
 673     my $job = C4::BackgroundJob->new($sessionID, "test", '/cgi-bin/koha/tools/batchMod.pl', $job_size);
 674     my $jobID = $job->id();
 675
 676     # fork off
 677     if (my $pid = fork) {
 678         # parent
 679         # return job ID as JSON
 680
 681         # prevent parent exiting from
 682         # destroying the kid's database handle
 683         # FIXME: according to DBI doc, this may not work for Oracle
 684         $dbh->{InactiveDestroy}  = 1;
 685
 686         my $reply = CGI->new("");
 687         print $reply->header(-type => 'text/html');
 688         print '{"jobID":"' . $jobID . '"}';
 689         exit 0;
 690     } elsif (defined $pid) {
 691         # child
 692         # close STDOUT to signal to Apache that
 693         # we're now running in the background
 694         close STDOUT;
 695         close STDERR;
 696     } else {
 697         # fork failed, so exit immediately
 698         warn "fork failed while attempting to run tools/batchMod.pl as a background job";
 699         exit 0;
 700     }
 701     return $job;
 702 }
 703
 704
 705