Koha/AuthorisedValues.pm

   1 package Koha::AuthorisedValues;
   2
   3 # Copyright ByWater Solutions 2014
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  19
  20 use Modern::Perl;
  21
  22 use Carp;
  23
  24 use Koha::Database;
  25
  26 use Koha::AuthorisedValue;
  27 use Koha::MarcSubfieldStructures;
  28 use Koha::Cache::Memory::Lite;
  29
  30 use base qw(Koha::Objects);
  31
  32 =head1 NAME
  33
  34 Koha::AuthorisedValues - Koha Authorised value Object set class
  35
  36 =head1 API
  37
  38 =head2 Class Methods
  39
  40 =cut
  41
  42 =head3 Koha::AuthorisedValues->search();
  43
  44 my @objects = Koha::AuthorisedValues->search($params);
  45
  46 =cut
  47
  48 sub search {
  49     my ( $self, $params, $attributes ) = @_;
  50
  51     my $branchcode = $params->{branchcode};
  52     delete( $params->{branchcode} );
  53
  54     my $or =
  55       $branchcode
  56       ? {
  57         '-or' => [
  58             'authorised_values_branches.branchcode' => undef,
  59             'authorised_values_branches.branchcode' => $branchcode,
  60         ]
  61       }
  62       : {};
  63     my $join = $branchcode ? { join => 'authorised_values_branches' } : {};
  64     $attributes //= {};
  65     $attributes = { %$attributes, %$join };
  66     return $self->SUPER::search( { %$params, %$or, }, $attributes );
  67 }
  68
  69 sub search_by_marc_field {
  70     my ( $self, $params ) = @_;
  71     my $frameworkcode = $params->{frameworkcode} || '';
  72     my $tagfield      = $params->{tagfield};
  73     my $tagsubfield   = $params->{tagsubfield};
  74
  75     return unless $tagfield or $tagsubfield;
  76
  77     return $self->SUPER::search(
  78         {   'marc_subfield_structures.frameworkcode' => $frameworkcode,
  79             ( defined $tagfield    ? ( 'marc_subfield_structures.tagfield'    => $tagfield )    : () ),
  80             ( defined $tagsubfield ? ( 'marc_subfield_structures.tagsubfield' => $tagsubfield ) : () ),
  81         },
  82         { join => { category => 'marc_subfield_structures' } }
  83     );
  84 }
  85
  86 sub search_by_koha_field {
  87     my ( $self, $params ) = @_;
  88     my $frameworkcode    = $params->{frameworkcode} || '';
  89     my $kohafield        = $params->{kohafield};
  90     my $category         = $params->{category};
  91
  92     return unless $kohafield;
  93
  94     return $self->SUPER::search(
  95         {   'marc_subfield_structures.frameworkcode' => $frameworkcode,
  96             'marc_subfield_structures.kohafield'     => $kohafield,
  97             ( defined $category ? ( category_name    => $category )         : () ),
  98         },
  99         {   join     => { category => 'marc_subfield_structures' },
 100             distinct => 1,
 101         }
 102     );
 103 }
 104
 105 sub find_by_koha_field {
 106     my ( $self, $params ) = @_;
 107     my $frameworkcode    = $params->{frameworkcode} || '';
 108     my $kohafield        = $params->{kohafield};
 109     my $authorised_value = $params->{authorised_value};
 110
 111     my $av = $self->SUPER::search(
 112         {   'marc_subfield_structures.frameworkcode' => $frameworkcode,
 113             'marc_subfield_structures.kohafield'     => $kohafield,
 114             'me.authorised_value'                    => $authorised_value,
 115         },
 116         {   join     => { category => 'marc_subfield_structures' },
 117             distinct => 1,
 118         }
 119     );
 120     return $av->count ? $av->next : undef;
 121 }
 122
 123 sub get_description_by_koha_field {
 124     my ( $self, $params ) = @_;
 125     my $frameworkcode    = $params->{frameworkcode} || '';
 126     my $kohafield        = $params->{kohafield};
 127     my $authorised_value = $params->{authorised_value};
 128
 129     return {} unless defined $authorised_value;
 130
 131     my $memory_cache = Koha::Cache::Memory::Lite->get_instance;
 132     my $cache_key    = "AV_descriptions:$frameworkcode:$kohafield:$authorised_value";
 133     my $cached       = $memory_cache->get_from_cache($cache_key);
 134     return $cached if $cached;
 135
 136     my $av = $self->find_by_koha_field($params);
 137     return {} unless defined $av;
 138     my $descriptions = { lib => $av->lib, opac_description => $av->opac_description };
 139     $memory_cache->set_in_cache( $cache_key, $descriptions );
 140     return $descriptions;
 141 }
 142
 143 sub get_descriptions_by_koha_field {
 144     my ( $self, $params ) = @_;
 145     my $frameworkcode = $params->{frameworkcode} || '';
 146     my $kohafield = $params->{kohafield};
 147
 148     my $memory_cache = Koha::Cache::Memory::Lite->get_instance;
 149     my $cache_key    = "AV_descriptions:$frameworkcode:$kohafield";
 150     my $cached       = $memory_cache->get_from_cache($cache_key);
 151     return @$cached if $cached;
 152
 153     my @avs          = $self->search_by_koha_field($params);
 154     my @descriptions = map {
 155         {
 156             authorised_value => $_->authorised_value,
 157             lib              => $_->lib,
 158             opac_description => $_->opac_description
 159         }
 160     } @avs;
 161     $memory_cache->set_in_cache( $cache_key, \@descriptions );
 162     return @descriptions;
 163 }
 164
 165 sub categories {
 166     my ( $self ) = @_;
 167     my $rs = $self->_resultset->search(
 168         undef,
 169         {
 170             select => ['category'],
 171             distinct => 1,
 172             order_by => 'category',
 173         },
 174     );
 175     return map $_->get_column('category'), $rs->all;
 176 }
 177
 178 =head3 type
 179
 180 =cut
 181
 182 sub _type {
 183     return 'AuthorisedValue';
 184 }
 185
 186 sub object_class {
 187     return 'Koha::AuthorisedValue';
 188 }
 189
 190 =head1 AUTHOR
 191
 192 Kyle M Hall <kyle@bywatersolutions.com>
 193
 194 =cut
 195
 196 1;