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