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 under the
   9 # terms of the GNU General Public License as published by the Free Software
  10 # Foundation; either version 2 of the License, or (at your option) any later
  11 # version.
  12 #
  13 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  14 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  15 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along
  18 # with Koha; if not, write to the Free Software Foundation, Inc.,
  19 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20
  21 use CGI;
  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::Context;
  29 use C4::Koha; # XXX subfield_is_koha_internal_p
  30 use C4::Branch; # XXX subfield_is_koha_internal_p
  31 use C4::BackgroundJob;
  32 use C4::ClassSource;
  33 use C4::Dates;
  34 use C4::Debug;
  35 use MARC::File::XML;
  36
  37 my $input = new CGI;
  38 my $dbh = C4::Context->dbh;
  39 my $error        = $input->param('error');
  40 my @itemnumbers  = $input->param('itemnumber');
  41 my $op           = $input->param('op');
  42 my $del          = $input->param('del');
  43 my $completedJobID = $input->param('completedJobID');
  44 my $runinbackground = $input->param('runinbackground');
  45
  46
  47 my $template_name;
  48 my $template_flag;
  49 if (!defined $op) {
  50     $template_name = "tools/batchMod.tmpl";
  51     $template_flag = { tools => '*' };
  52 } else {
  53     $template_name = ($del) ? "tools/batchMod-del.tmpl" : "tools/batchMod-edit.tmpl";
  54     $template_flag = ($del) ? { tools => 'items_batchdel' }   : { tools => 'items_batchmod' };
  55 }
  56
  57
  58 my ($template, $loggedinuser, $cookie)
  59     = get_template_and_user({template_name => $template_name,
  60                  query => $input,
  61                  type => "intranet",
  62                  authnotrequired => 0,
  63                  flagsrequired => $template_flag,
  64                  });
  65
  66
  67 my $today_iso = C4::Dates->today('iso');
  68 $template->param(today_iso => $today_iso);
  69 $template->param(del       => $del);
  70
  71 my $itemrecord;
  72 my $nextop="";
  73 my @errors; # store errors found while checking data BEFORE saving item.
  74 my $items_display_hashref;
  75 my $frameworkcode="";
  76 my $tagslib = &GetMarcStructure(1,$frameworkcode);
  77
  78 my $deleted_items = 0;     # Numbers of deleted items
  79 my $not_deleted_items = 0; # Numbers of items that could not be deleted
  80 my @not_deleted;           # List of the itemnumbers that could not be deleted
  81
  82 my %cookies = parse CGI::Cookie($cookie);
  83 my $sessionID = $cookies{'CGISESSID'}->value;
  84
  85
  86 #--- ----------------------------------------------------------------------------
  87 if ($op eq "action") {
  88 #-------------------------------------------------------------------------------
  89     my @tags      = $input->param('tag');
  90     my @subfields = $input->param('subfield');
  91     my @values    = $input->param('field_value');
  92     my @disabled  = $input->param('disable_input');
  93     # build indicator hash.
  94     my @ind_tag   = $input->param('ind_tag');
  95     my @indicator = $input->param('indicator');
  96
  97     # Is there something to modify ?
  98     # TODO : We shall use this var to warn the user in case no modification was done to the items
  99     my $values_to_modify = scalar(grep {!/^$/} @values);
 100     my $values_to_blank  = scalar(@disabled);
 101     my $marcitem;
 102
 103     # Once the job is done
 104     if ($completedJobID) {
 105         # If we have a reasonable amount of items, we display them
 106         if (scalar(@itemnumbers) <= 1000) {
 107             $items_display_hashref=BuildItemsData(@itemnumbers);
 108         } else {
 109             # Else, we only display the barcode
 110             my @simple_items_display = map {{ itemnumber => $_, barcode => (GetBarcodeFromItemnumber($_) or ""), biblionumber => (GetBiblionumberFromItemnumber($_) or "") }} @itemnumbers;
 111             $template->param("simple_items_display" => \@simple_items_display);
 112         }
 113
 114         # Setting the job as done
 115         my $job = C4::BackgroundJob->fetch($sessionID, $completedJobID);
 116
 117         # Calling the template
 118         add_saved_job_results_to_template($template, $completedJobID);
 119
 120     } else {
 121     # While the job is getting done
 122
 123         # Job size is the number of items we have to process
 124         my $job_size = scalar(@itemnumbers);
 125         my $job = undef;
 126         my $callback = sub {};
 127
 128         # If we asked for background processing
 129         if ($runinbackground) {
 130             $job = put_in_background($job_size);
 131             $callback = progress_callback($job, $dbh);
 132         }
 133
 134         #initializing values for updates
 135         my (  $itemtagfield,   $itemtagsubfield) = &GetMarcFromKohaField("items.itemnumber", "");
 136         if ($values_to_modify){
 137             my $xml = TransformHtmlToXml(\@tags,\@subfields,\@values,\@indicator,\@ind_tag, 'ITEM');
 138         utf8::encode($xml);
 139             $marcitem = MARC::Record::new_from_xml($xml, 'UTF-8');
 140         }
 141         if ($values_to_blank){
 142             foreach my $disabledsubf (@disabled){
 143                 if ($marcitem && $marcitem->field($itemtagfield)){
 144                     $marcitem->field($itemtagfield)->update( $disabledsubf => "" );
 145                 }
 146                 else {
 147                     $marcitem = MARC::Record->new();
 148                     $marcitem->append_fields( MARC::Field->new( $itemtagfield, '', '', $disabledsubf => "" ) );
 149                 }
 150             }
 151         }
 152
 153         # For each item
 154         my $i = 1;
 155         foreach my $itemnumber(@itemnumbers){
 156
 157                 $job->progress($i) if $runinbackground;
 158                 my $itemdata=GetItem($itemnumber);
 159                 if ($input->param("del")){
 160                         my $return = DelItemCheck(C4::Context->dbh, $itemdata->{'biblionumber'}, $itemdata->{'itemnumber'});
 161                         if ($return == 1) {
 162                             $deleted_items++;
 163                         } else {
 164                             $not_deleted_items++;
 165                             push @not_deleted,
 166                                 { biblionumber => $itemdata->{'biblionumber'},
 167                                   itemnumber => $itemdata->{'itemnumber'},
 168                                   barcode => $itemdata->{'barcode'},
 169                                   title => $itemdata->{'title'},
 170                                   $return => 1
 171                                 };
 172                         }
 173                 } else {
 174                     if ($values_to_modify || $values_to_blank) {
 175                         my $localmarcitem = Item2Marc($itemdata);
 176                         UpdateMarcWith( $marcitem, $localmarcitem );
 177                         eval{ my ( $oldbiblionumber, $oldbibnum, $oldbibitemnum ) = ModItemFromMarc( $localmarcitem, $itemdata->{biblionumber}, $itemnumber ) };
 178                     }
 179                 }
 180                 $i++;
 181         }
 182     }
 183 }
 184 #
 185 #-------------------------------------------------------------------------------
 186 # build screen with existing items. and "new" one
 187 #-------------------------------------------------------------------------------
 188
 189 if ($op eq "show"){
 190     my $filefh = $input->upload('uploadfile');
 191     my $filecontent = $input->param('filecontent');
 192     my @notfoundbarcodes;
 193
 194     my @contentlist;
 195     if ($filefh){
 196         while (my $content=<$filefh>){
 197             $content =~ s/[\r\n]*$//;
 198             push @contentlist, $content if $content;
 199         }
 200
 201         if ($filecontent eq 'barcode_file') {
 202             foreach my $barcode (@contentlist) {
 203
 204                 my $itemnumber = GetItemnumberFromBarcode($barcode);
 205                 if ($itemnumber) {
 206                     push @itemnumbers,$itemnumber;
 207                 } else {
 208                     push @notfoundbarcodes, $barcode;
 209                 }
 210             }
 211         }
 212         elsif ( $filecontent eq 'itemid_file') {
 213             @itemnumbers = @contentlist;
 214         }
 215     } else {
 216         if ( my $list=$input->param('barcodelist')){
 217             push my @barcodelist, split(/\s\n/, $list);
 218
 219             foreach my $barcode (@barcodelist) {
 220
 221                 my $itemnumber = GetItemnumberFromBarcode($barcode);
 222                 if ($itemnumber) {
 223                     push @itemnumbers,$itemnumber;
 224                 } else {
 225                     push @notfoundbarcodes, $barcode;
 226                 }
 227             }
 228
 229         }
 230     }
 231
 232     # Flag to tell the template there are valid results, hidden or not
 233     if(scalar(@itemnumbers) > 0){ $template->param("itemresults" => 1); }
 234     # Only display the items if there are no more than 1000
 235     if (scalar(@itemnumbers) <= 1000) {
 236         $items_display_hashref=BuildItemsData(@itemnumbers);
 237     } else {
 238         $template->param("too_many_items" => scalar(@itemnumbers));
 239         # Even if we do not display the items, we need the itemnumbers
 240         my @itemnumbers_hashref = map {{itemnumber => $_}} @itemnumbers;
 241         $template->param("itemnumbers_hashref" => \@itemnumbers_hashref);
 242     }
 243 # now, build the item form for entering a new item
 244 my @loop_data =();
 245 my $i=0;
 246 my $authorised_values_sth = $dbh->prepare("SELECT authorised_value,lib FROM authorised_values WHERE category=? ORDER BY lib");
 247
 248 my $branches = GetBranchesLoop();  # build once ahead of time, instead of multiple times later.
 249
 250 # Adding a default choice, in case the user does not want to modify the branch
 251 my $nochange_branch = { branchname => '', value => '', selected => 1 };
 252 unshift (@$branches, $nochange_branch);
 253
 254 my $pref_itemcallnumber = C4::Context->preference('itemcallnumber');
 255
 256
 257 foreach my $tag (sort keys %{$tagslib}) {
 258     # loop through each subfield
 259     foreach my $subfield (sort keys %{$tagslib->{$tag}}) {
 260         next if subfield_is_koha_internal_p($subfield);
 261         next if ($tagslib->{$tag}->{$subfield}->{'tab'} ne "10");
 262         # barcode and stocknumber are not meant to be batch-modified
 263         next if $tagslib->{$tag}->{$subfield}->{'kohafield'} eq 'items.barcode';
 264         next if $tagslib->{$tag}->{$subfield}->{'kohafield'} eq 'items.stocknumber';
 265         my %subfield_data;
 266
 267         my $index_subfield = int(rand(1000000));
 268         if ($subfield eq '@'){
 269             $subfield_data{id} = "tag_".$tag."_subfield_00_".$index_subfield;
 270         } else {
 271             $subfield_data{id} = "tag_".$tag."_subfield_".$subfield."_".$index_subfield;
 272         }
 273         $subfield_data{tag}        = $tag;
 274         $subfield_data{subfield}   = $subfield;
 275         $subfield_data{random}     = int(rand(1000000));    # why do we need 2 different randoms?
 276     #   $subfield_data{marc_lib}   = $tagslib->{$tag}->{$subfield}->{lib};
 277         $subfield_data{marc_lib}   ="<span id=\"error$i\" title=\"".$tagslib->{$tag}->{$subfield}->{lib}."\">".$tagslib->{$tag}->{$subfield}->{lib}."</span>";
 278         $subfield_data{mandatory}  = $tagslib->{$tag}->{$subfield}->{mandatory};
 279         $subfield_data{repeatable} = $tagslib->{$tag}->{$subfield}->{repeatable};
 280         my ($x,$value);
 281         $value =~ s/"/&quot;/g;
 282         unless ($value) {
 283             $value = $tagslib->{$tag}->{$subfield}->{defaultvalue};
 284             # get today date & replace YYYY, MM, DD if provided in the default value
 285             my ( $year, $month, $day ) = split ',', $today_iso;     # FIXME: iso dates don't have commas!
 286             $value =~ s/YYYY/$year/g;
 287             $value =~ s/MM/$month/g;
 288             $value =~ s/DD/$day/g;
 289         }
 290         $subfield_data{visibility} = "display:none;" if (($tagslib->{$tag}->{$subfield}->{hidden} > 4) || ($tagslib->{$tag}->{$subfield}->{hidden} < -4));
 291         # testing branch value if IndependantBranches.
 292
 293         my $attributes_no_value = qq(tabindex="1" id="$subfield_data{id}" name="field_value" class="input_marceditor" size="67" maxlength="255" );
 294         my $attributes          = qq($attributes_no_value value="$value" );
 295
 296         if ( $tagslib->{$tag}->{$subfield}->{authorised_value} ) {
 297         my @authorised_values;
 298         my %authorised_lib;
 299         # builds list, depending on authorised value...
 300
 301         if ( $tagslib->{$tag}->{$subfield}->{authorised_value} eq "branches" ) {
 302             foreach my $thisbranch (@$branches) {
 303                 push @authorised_values, $thisbranch->{value};
 304                 $authorised_lib{$thisbranch->{value}} = $thisbranch->{branchname};
 305             }
 306         $value = "";
 307         }
 308         elsif ( $tagslib->{$tag}->{$subfield}->{authorised_value} eq "itemtypes" ) {
 309             push @authorised_values, "";
 310             my $sth = $dbh->prepare("select itemtype,description from itemtypes order by description");
 311             $sth->execute;
 312             while ( my ( $itemtype, $description ) = $sth->fetchrow_array ) {
 313                 push @authorised_values, $itemtype;
 314                 $authorised_lib{$itemtype} = $description;
 315             }
 316         $value = "";
 317
 318           #---- class_sources
 319       }
 320       elsif ( $tagslib->{$tag}->{$subfield}->{authorised_value} eq "cn_source" ) {
 321           push @authorised_values, "" unless ( $tagslib->{$tag}->{$subfield}->{mandatory} );
 322
 323           my $class_sources = GetClassSources();
 324           my $default_source = C4::Context->preference("DefaultClassificationSource");
 325
 326           foreach my $class_source (sort keys %$class_sources) {
 327               next unless $class_sources->{$class_source}->{'used'} or
 328                           ($value and $class_source eq $value)      or
 329                           ($class_source eq $default_source);
 330               push @authorised_values, $class_source;
 331               $authorised_lib{$class_source} = $class_sources->{$class_source}->{'description'};
 332           }
 333                   $value = '';
 334
 335           #---- "true" authorised value
 336       }
 337       else {
 338           push @authorised_values, "" unless ( $tagslib->{$tag}->{$subfield}->{mandatory} );
 339           $authorised_values_sth->execute( $tagslib->{$tag}->{$subfield}->{authorised_value} );
 340           while ( my ( $value, $lib ) = $authorised_values_sth->fetchrow_array ) {
 341               push @authorised_values, $value;
 342               $authorised_lib{$value} = $lib;
 343           }
 344       }
 345       $subfield_data{marc_value} =CGI::scrolling_list(      # FIXME: factor out scrolling_list
 346           -name     => "field_value",
 347           -values   => \@authorised_values,
 348           -default  => $value,
 349           -labels   => \%authorised_lib,
 350           -override => 1,
 351           -size     => 1,
 352           -multiple => 0,
 353           -tabindex => 1,
 354           -id       => "tag_".$tag."_subfield_".$subfield."_".$index_subfield,
 355           -class    => "input_marceditor",
 356       );
 357     # it's a thesaurus / authority field
 358     }
 359     elsif ( $tagslib->{$tag}->{$subfield}->{authtypecode} ) {
 360         $subfield_data{marc_value} = "<input type=\"text\" $attributes />
 361             <a href=\"#\" class=\"buttonDot\"
 362                 onclick=\"Dopop('/cgi-bin/koha/authorities/auth_finder.pl?authtypecode=".$tagslib->{$tag}->{$subfield}->{authtypecode}."&index=$subfield_data{id}','$subfield_data{id}'); return false;\" title=\"Tag Editor\">...</a>
 363     ";
 364     # it's a plugin field
 365     }
 366     elsif ( $tagslib->{$tag}->{$subfield}->{value_builder} ) {
 367         # opening plugin
 368         my $plugin = C4::Context->intranetdir . "/cataloguing/value_builder/" . $tagslib->{$tag}->{$subfield}->{'value_builder'};
 369         if (do $plugin) {
 370                         my $temp;
 371             my $extended_param = plugin_parameters( $dbh, $temp, $tagslib, $subfield_data{id}, \@loop_data );
 372             my ( $function_name, $javascript ) = plugin_javascript( $dbh, $temp, $tagslib, $subfield_data{id}, \@loop_data );
 373             $subfield_data{marc_value} = qq[<input $attributes
 374                 onfocus="Focus$function_name($subfield_data{random}, '$subfield_data{id}');"
 375                  onblur=" Blur$function_name($subfield_data{random}, '$subfield_data{id}');" />
 376                 <a href="#" class="buttonDot" onclick="Clic$function_name('$subfield_data{id}'); return false;" title="Tag Editor">...</a>
 377                 $javascript];
 378         } else {
 379             warn "Plugin Failed: $plugin";
 380             $subfield_data{marc_value} = "<input $attributes />"; # supply default input form
 381         }
 382     }
 383     elsif ( $tag eq '' ) {       # it's an hidden field
 384         $subfield_data{marc_value} = qq(<input type="hidden" $attributes />);
 385     }
 386     elsif ( $tagslib->{$tag}->{$subfield}->{'hidden'} ) {   # FIXME: shouldn't input type be "hidden" ?
 387         $subfield_data{marc_value} = qq(<input type="text" $attributes />);
 388     }
 389     elsif ( length($value) > 100
 390             or (C4::Context->preference("marcflavour") eq "UNIMARC" and
 391                   300 <= $tag && $tag < 400 && $subfield eq 'a' )
 392             or (C4::Context->preference("marcflavour") eq "MARC21"  and
 393                   500 <= $tag && $tag < 600                     )
 394           ) {
 395         # oversize field (textarea)
 396         $subfield_data{marc_value} = "<textarea $attributes_no_value>$value</textarea>\n";
 397     } else {
 398         # it's a standard field
 399          $subfield_data{marc_value} = "<input $attributes />";
 400     }
 401 #   $subfield_data{marc_value}="<input type=\"text\" name=\"field_value\">";
 402     push (@loop_data, \%subfield_data);
 403     $i++
 404   }
 405 } # -- End foreach tag
 406
 407
 408     # what's the next op ? it's what we are not in : an add if we're editing, otherwise, and edit.
 409     $template->param(item => \@loop_data);
 410     if (@notfoundbarcodes) {
 411         my @notfoundbarcodesloop = map{{barcode=>$_}}@notfoundbarcodes;
 412         $template->param(notfoundbarcodes => \@notfoundbarcodesloop);
 413     }
 414     $nextop="action"
 415 } # -- End action="show"
 416
 417 $template->param(%$items_display_hashref) if $items_display_hashref;
 418 $template->param(
 419     op      => $nextop,
 420     $op => 1,
 421 );
 422
 423 if ($op eq "action") {
 424
 425     #my @not_deleted_loop = map{{itemnumber=>$_}}@not_deleted;
 426
 427     $template->param(
 428         not_deleted_items => $not_deleted_items,
 429         deleted_items => $deleted_items,
 430         not_deleted_loop => \@not_deleted
 431     );
 432 }
 433
 434 foreach my $error (@errors) {
 435     $template->param($error => 1);
 436 }
 437 output_html_with_http_headers $input, $cookie, $template->output;
 438 exit;
 439
 440
 441 # ---------------- Functions
 442
 443 sub BuildItemsData{
 444         my @itemnumbers=@_;
 445                 # now, build existiing item list
 446                 my %witness; #---- stores the list of subfields used at least once, with the "meaning" of the code
 447                 my @big_array;
 448                 #---- finds where items.itemnumber is stored
 449                 my (  $itemtagfield,   $itemtagsubfield) = &GetMarcFromKohaField("items.itemnumber", "");
 450                 my ($branchtagfield, $branchtagsubfield) = &GetMarcFromKohaField("items.homebranch", "");
 451                 foreach my $itemnumber (@itemnumbers){
 452                         my $itemdata=GetItem($itemnumber);
 453                         my $itemmarc=Item2Marc($itemdata);
 454                         my %this_row;
 455                         foreach my $field (grep {$_->tag() eq $itemtagfield} $itemmarc->fields()) {
 456                                 # loop through each subfield
 457                                 my $itembranchcode=$field->subfield($branchtagsubfield);
 458                                 if ($itembranchcode && C4::Context->preference("IndependantBranches")) {
 459                                                 #verifying rights
 460                                                 my $userenv = C4::Context->userenv();
 461                                                 unless (($userenv->{'flags'} == 1) or (($userenv->{'branch'} eq $itembranchcode))){
 462                                                                 $this_row{'nomod'}=1;
 463                                                 }
 464                                 }
 465                                 my $tag=$field->tag();
 466                                 foreach my $subfield ($field->subfields) {
 467                                         my ($subfcode,$subfvalue)=@$subfield;
 468                                         next if ($tagslib->{$tag}->{$subfcode}->{tab} ne 10
 469                                                         && $tag        ne $itemtagfield
 470                                                         && $subfcode   ne $itemtagsubfield);
 471
 472                                         $witness{$subfcode} = $tagslib->{$tag}->{$subfcode}->{lib} if ($tagslib->{$tag}->{$subfcode}->{tab}  eq 10);
 473                                         if ($tagslib->{$tag}->{$subfcode}->{tab}  eq 10) {
 474                                                 $this_row{$subfcode}=GetAuthorisedValueDesc( $tag,
 475                                                                         $subfcode, $subfvalue, '', $tagslib)
 476                                                                         || $subfvalue;
 477                                         }
 478
 479                                         $this_row{itemnumber} = $subfvalue if ($tag eq $itemtagfield && $subfcode eq $itemtagsubfield);
 480                                 }
 481                         }
 482
 483             # grab title, author, and ISBN to identify bib that the item
 484             # belongs to in the display
 485                          my $biblio=GetBiblioData($$itemdata{biblionumber});
 486             $this_row{title} = $biblio->{title};
 487             $this_row{author} = $biblio->{author};
 488             $this_row{isbn} = $biblio->{isbn};
 489             $this_row{biblionumber} = $biblio->{biblionumber};
 490
 491                         if (%this_row) {
 492                                 push(@big_array, \%this_row);
 493                         }
 494                 }
 495                 @big_array = sort {$a->{0} cmp $b->{0}} @big_array;
 496
 497                 # now, construct template !
 498                 # First, the existing items for display
 499                 my @item_value_loop;
 500                 my @witnesscodessorted=sort keys %witness;
 501                 for my $row ( @big_array ) {
 502                         my %row_data;
 503                         my @item_fields = map +{ field => $_ || '' }, @$row{ @witnesscodessorted };
 504                         $row_data{item_value} = [ @item_fields ];
 505                         $row_data{itemnumber} = $row->{itemnumber};
 506                         #reporting this_row values
 507                         $row_data{'nomod'} = $row->{'nomod'};
 508       $row_data{bibinfo} = $row->{bibinfo};
 509       $row_data{author} = $row->{author};
 510       $row_data{title} = $row->{title};
 511       $row_data{isbn} = $row->{isbn};
 512       $row_data{biblionumber} = $row->{biblionumber};
 513                         push(@item_value_loop,\%row_data);
 514                 }
 515                 my @header_loop=map { { header_value=> $witness{$_}} } @witnesscodessorted;
 516
 517         return { item_loop        => \@item_value_loop, item_header_loop => \@header_loop };
 518 }
 519
 520 #BE WARN : it is not the general case
 521 # This function can be OK in the item marc record special case
 522 # Where subfield is not repeated
 523 # And where we are sure that field should correspond
 524 # And $tag>10
 525 sub UpdateMarcWith {
 526   my ($marcfrom,$marcto)=@_;
 527   #warn "FROM :",$marcfrom->as_formatted;
 528         my (  $itemtag,   $itemtagsubfield) = &GetMarcFromKohaField("items.itemnumber", "");
 529         my $fieldfrom=$marcfrom->field($itemtag);
 530         my @fields_to=$marcto->field($itemtag);
 531     foreach my $subfield ($fieldfrom->subfields()){
 532                 foreach my $field_to_update (@fields_to){
 533                     if ($subfield->[1]){
 534                         $field_to_update->update($subfield->[0]=>$subfield->[1]);
 535                     }
 536                     else {
 537                         $field_to_update->delete_subfield(code=> $subfield->[0]);
 538                     }
 539                 }
 540     }
 541   #warn "TO edited:",$marcto->as_formatted;
 542 }
 543
 544 sub find_value {
 545     my ($tagfield,$insubfield,$record) = @_;
 546     my $result;
 547     my $indicator;
 548     foreach my $field ($record->field($tagfield)) {
 549         my @subfields = $field->subfields();
 550         foreach my $subfield (@subfields) {
 551             if (@$subfield[0] eq $insubfield) {
 552                 $result .= @$subfield[1];
 553                 $indicator = $field->indicator(1).$field->indicator(2);
 554             }
 555         }
 556     }
 557     return($indicator,$result);
 558 }
 559
 560 # ----------------------------
 561 # Background functions
 562
 563
 564 sub add_results_to_template {
 565     my $template = shift;
 566     my $results = shift;
 567     $template->param(map { $_ => $results->{$_} } keys %{ $results });
 568 }
 569
 570 sub add_saved_job_results_to_template {
 571     my $template = shift;
 572     my $completedJobID = shift;
 573     my $job = C4::BackgroundJob->fetch($sessionID, $completedJobID);
 574     my $results = $job->results();
 575     add_results_to_template($template, $results);
 576 }
 577
 578 sub put_in_background {
 579     my $job_size = shift;
 580
 581     my $job = C4::BackgroundJob->new($sessionID, "test", $ENV{'SCRIPT_NAME'}, $job_size);
 582     my $jobID = $job->id();
 583
 584     # fork off
 585     if (my $pid = fork) {
 586         # parent
 587         # return job ID as JSON
 588
 589         # prevent parent exiting from
 590         # destroying the kid's database handle
 591         # FIXME: according to DBI doc, this may not work for Oracle
 592         $dbh->{InactiveDestroy}  = 1;
 593
 594         my $reply = CGI->new("");
 595         print $reply->header(-type => 'text/html');
 596         print '{"jobID":"' . $jobID . '"}';
 597         exit 0;
 598     } elsif (defined $pid) {
 599         # child
 600         # close STDOUT to signal to Apache that
 601         # we're now running in the background
 602         close STDOUT;
 603         close STDERR;
 604     } else {
 605         # fork failed, so exit immediately
 606         warn "fork failed while attempting to run $ENV{'SCRIPT_NAME'} as a background job";
 607         exit 0;
 608     }
 609     return $job;
 610 }
 611
 612 sub progress_callback {
 613     my $job = shift;
 614     my $dbh = shift;
 615     return sub {
 616         my $progress = shift;
 617         $job->progress($progress);
 618     }
 619 }
 620
 621