Koha/Quotes.pm

   1 package Koha::Quotes;
   2
   3 # This file is part of Koha.
   4 #
   5 # Koha is free software; you can redistribute it and/or modify it
   6 # under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # Koha is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  17
  18 use Modern::Perl;
  19 use Carp;
  20 use DateTime::Format::MySQL;
  21
  22 use Koha::Database;
  23 use Koha::DateUtils qw(dt_from_string);
  24 use Koha::Quote;
  25
  26 use base qw(Koha::Objects);
  27
  28 =head1 NAME
  29
  30 Koha::Quotes - Koha Quote object class
  31
  32 =head1 API
  33
  34 =head2 Class methods
  35
  36 =cut
  37
  38 =head2 get_daily_quote($opts)
  39
  40 Takes a hashref of options
  41
  42 Currently supported options are:
  43
  44 'id'        An exact quote id
  45 'random'    Select a random quote
  46 noop        When no option is passed in, this sub will return the quote timestamped for the current day
  47
  48 =cut
  49
  50 # This is definitely a candidate for some sort of caching once we finally settle caching/persistence issues...
  51 # at least for default option
  52
  53 sub get_daily_quote {
  54     my ($self, %opts) = @_;
  55
  56     my $qotdPref = C4::Context->preference('QuoteOfTheDay');
  57     my $interface = C4::Context->interface();
  58
  59     my $dtf  = Koha::Database->new->schema->storage->datetime_parser;
  60
  61     unless ($qotdPref =~ /$interface/) {
  62         return;
  63     }
  64
  65     my $quote = undef;
  66
  67     if ($opts{'id'}) {
  68         $quote = $self->find({ id => $opts{'id'} });
  69     }
  70     elsif ($opts{'random'}) {
  71         # Fall through... we also return a random quote as a catch-all if all else fails
  72     }
  73     else {
  74         my $dt = $dtf->format_date(dt_from_string);
  75         $quote = $self->search(
  76             {
  77                 timestamp => { -between => => [ "$dt 00:00:00", "$dt 23:59:59" ] },
  78             },
  79             {
  80                 order_by => { -desc => 'timestamp' },
  81                 rows => 1,
  82             }
  83         )->single;
  84     }
  85     unless ($quote) {        # if there are not matches, choose a random quote
  86         my $range = $self->search->count;
  87         my $offset = int(rand($range));
  88         $quote = $self->search(
  89             {},
  90             {
  91                 order_by => 'id',
  92                 rows => 1,
  93                 offset => $offset,
  94             }
  95         )->single;
  96
  97         unless($quote){
  98             return;
  99         }
 100
 101         # update the timestamp for that quote
 102         my $dt = $dtf->format_datetime(dt_from_string);
 103         $quote->update({ timestamp => $dt });
 104     }
 105     return $quote;
 106 }
 107
 108 =head3 type
 109
 110 =cut
 111
 112 sub _type {
 113     return 'Quote';
 114 }
 115
 116 =head3 object_class
 117
 118 =cut
 119
 120 sub object_class {
 121     return 'Koha::Quote';
 122 }
 123
 124 1;