From ae56dd4f03759f409dee52761089b9d244d279c4 Mon Sep 17 00:00:00 2001
From: hdl <hdl>
Date: Mon, 30 Apr 2007 14:29:21 +0000
Subject: [PATCH] Commiting necessary subs for bulkedition.

---
 C4/Koha.pm   | 35 ++++++++++++++++++++++++++++
 C4/Search.pm | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 100 insertions(+), 1 deletion(-)

diff --git a/C4/Koha.pm b/C4/Koha.pm
index 3c7164a2df..2da57f336d 100644
--- a/C4/Koha.pm
+++ b/C4/Koha.pm
@@ -75,6 +75,8 @@ Koha.pm provides many functions for Koha scripts.
   &GetAuthorisedValues
   &FixEncoding
   &GetKohaAuthorisedValues
+  &GetManagedTagSubfields
+
   $DEBUG
   );
 
@@ -1184,6 +1186,39 @@ sub GetKohaAuthorisedValues {
   return \%values;
 }
 
+=head2 GetManagedTagSubfields
+
+=over 4
+
+$res = GetManagedTagSubfields();
+
+Returns a reference to a big hash of hash, with the Marc structure fro the given frameworkcode
+$forlibrarian  :if set to 1, the MARC descriptions are the librarians ones, otherwise it's the public (OPAC) ones
+$frameworkcode : the framework code to read
+
+=back
+
+=back
+
+=cut
+
+sub GetManagedTagSubfields{
+  my $dbh=C4::Context->dbh;
+  my $rq=$dbh->prepare(qq|
+SELECT 
+  DISTINCT CONCAT( marc_subfield_structure.tagfield, tagsubfield ) AS tagsubfield, 
+  marc_subfield_structure.liblibrarian as subfielddesc, 
+  marc_tag_structure.liblibrarian as tagdesc
+FROM marc_subfield_structure
+  LEFT JOIN marc_tag_structure 
+    ON marc_tag_structure.tagfield = marc_subfield_structure.tagfield
+    AND marc_tag_structure.frameworkcode = marc_subfield_structure.frameworkcode
+WHERE marc_subfield_structure.tab>=0
+ORDER BY tagsubfield|);
+  $rq->execute;
+  my $data=$rq->fetchall_arrayref({});
+  return $data;
+}
 
 1;
 
diff --git a/C4/Search.pm b/C4/Search.pm
index e8cca04c87..3f29418cba 100755
--- a/C4/Search.pm
+++ b/C4/Search.pm
@@ -54,6 +54,7 @@ This module provides the searching facilities for the Koha into a zebra catalog.
   &getRecords
   &buildQuery
   &NZgetRecords
+  &EditBiblios
 );
 
 # make all your functions, whether exported or not;
@@ -831,7 +832,7 @@ sub searchResults {
     my %subfieldstosearch;
     while ( ( my $column ) = $sth2->fetchrow ) {
         my ( $tagfield, $tagsubfield ) =
-          &GetMarcFromKohaField( $dbh, "items." . $column, "" );
+          &GetMarcFromKohaField( "items." . $column, "" );
         $subfieldstosearch{$column} = $tagsubfield;
     }
     my $times;
@@ -1046,6 +1047,69 @@ sub searchResults {
 }
 
 
+=head2 EditBiblios
+
+($countchanged,$listunchanged) = EditBiblios($listbiblios, $tagsubfield,$initvalue,$targetvalue,$test);
+
+this function changes all the values $initvalue in subfield $tag$subfield in any record in $listbiblios
+test parameter if set donot perform change to records in database.
+
+=over 2
+
+=item C<input arg:>
+
+    * $listbiblios is an array ref to marcrecords to be changed
+    * $tagsubfield is the reference of the subfield to change.
+    * $initvalue is the value to search the record for
+    * $targetvalue is the value to set the subfield to
+    * $test is to be set only not to perform changes in database.
+
+=item C<Output arg:>
+    * $countchanged counts all the changes performed.
+    * $listunchanged contains the list of all the biblionumbers of records unchanged.
+
+=item C<usage in the script:>
+
+=back
+
+my ($countchanged, $listunchanged) = EditBiblios($results->{RECORD}, $tagsubfield,$initvalue,$targetvalue);;
+#If one wants to display unchanged records, you should get biblios foreach @$listunchanged 
+$template->param(countchanged => $countchanged, loopunchanged=>$listunchanged);
+
+=cut
+sub EditBiblios{
+  my ($listbiblios,$tagsubfield,$initvalue,$targetvalue,$test)=@_;
+  my $countmatched;
+  my @unmatched;
+  my ($tag,$subfield)=($1,$2) if ($tagsubfield=~/^(\d{1,3})(.)$/);
+  my ($bntag,$bnsubf) = GetMarcFromKohaField('biblio.biblionumber');
+
+  foreach my $usmarc (@$listbiblios){
+    my $record=MARC::Record->new_from_usmarc($usmarc);
+    my $biblionumber;
+    if ($bntag>10){
+      $biblionumber = $record->subfield($bntag,$bnsubf);
+    }else {
+      $biblionumber=$record->field($bntag)->data;
+    }
+    #GetBiblionumber is to be written.
+    #Could be replaced by TransformMarcToKoha (But Would be longer)
+    if ($record->field($tag)){
+      foreach my $field ($record->field($tag)){
+        if ($field->delete_subfield('code' =>$subfield,'match'=>qr($initvalue))){
+          $countmatched++;
+          $field->update($subfield,$targetvalue) if ($targetvalue);
+        }
+      }
+#       warn $record->as_formatted;
+      ModBiblio($record,$biblionumber,GetFrameworkCode($biblionumber)) unless ($test);
+    } else {
+      push @unmatched, $biblionumber;
+    }
+  }
+  return ($countmatched,\@unmatched);
+}
+
 #----------------------------------------------------------------------
 #
 # Non-Zebra GetRecords#