Koha/Number/Price.pm

   1 package Koha::Number::Price;
   2
   3 # This file is part of Koha.
   4 #
   5 # Copyright 2014 BibLibre
   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 Number::Format qw( format_price );
  23 use C4::Context;
  24 use Koha::Acquisition::Currencies;
  25
  26 use base qw( Class::Accessor );
  27 __PACKAGE__->mk_accessors(qw( value ));
  28
  29 sub new {
  30     my ( $class, $value ) = @_;
  31
  32     my $self->{value} = $value || 0;
  33
  34     bless $self, $class;
  35     return $self;
  36 }
  37
  38 sub format {
  39     my ( $self, $params ) = @_;
  40     return unless defined $self->value;
  41
  42     my $format_params = $self->_format_params( $params );
  43
  44     # To avoid the system to crash, we will not format big number
  45     # We divide per 100 because we want to keep the default DECIMAL_DIGITS (2)
  46     # error - round() overflow. Try smaller precision or use Math::BigFloat
  47     return $self->value if $self->value > Number::Format::MAX_INT/100;
  48
  49     return Number::Format->new(%$format_params)->format_price($self->value);
  50 }
  51
  52 sub format_for_editing {
  53     my ( $self, $params ) = @_;
  54     return unless defined $self->value;
  55
  56     my $format_params = $self->_format_params( $params );
  57     $format_params = {
  58         %$format_params,
  59         int_curr_symbol   => '',
  60         mon_thousands_sep => '',
  61         mon_decimal_point => '.',
  62     };
  63
  64     # To avoid the system to crash, we will not format big number
  65     # We divide per 100 because we want to keep the default DECIMAL_DIGITS (2)
  66     # error - round() overflow. Try smaller precision or use Math::BigFloat
  67     return $self->value if $self->value > Number::Format::MAX_INT/100;
  68
  69     return Number::Format->new(%$format_params)->format_price($self->value);
  70 }
  71
  72 sub unformat {
  73     my ( $self, $params ) = @_;
  74     return unless defined $self->value;
  75
  76     my $format_params = $self->_format_params( $params );
  77
  78     return Number::Format->new(%$format_params)->unformat_number($self->value);
  79 }
  80
  81 sub round {
  82     my ( $self ) = @_;
  83     return unless defined $self->value;
  84
  85     my $format_params = $self->_format_params;
  86
  87     return Number::Format->new(%$format_params)->round($self->value);
  88 }
  89
  90 sub _format_params {
  91     my ( $self, $params ) = @_;
  92     my $with_symbol = $params->{with_symbol} || 0;
  93     my $p_cs_precedes = $params->{p_cs_precedes};
  94     my $currency        = Koha::Acquisition::Currencies->get_active;
  95     my $currency_format = C4::Context->preference("CurrencyFormat");
  96
  97     my $int_curr_symbol = ( $with_symbol and $currency ) ? $currency->symbol : q||;
  98     my %format_params = (
  99         decimal_fill      => '2',
 100         decimal_point     => '.',
 101         int_curr_symbol   => $int_curr_symbol,
 102         mon_thousands_sep => ',',
 103         thousands_sep     => ',',
 104         mon_decimal_point => '.'
 105     );
 106
 107     if ( $currency_format eq 'FR' ) {
 108         %format_params = (
 109             decimal_fill      => '2',
 110             decimal_point     => ',',
 111             int_curr_symbol   => $int_curr_symbol,
 112             mon_thousands_sep => ' ',
 113             thousands_sep     => ' ',
 114             mon_decimal_point => ','
 115         );
 116     }
 117
 118     if ( $currency_format eq 'CH' ) {
 119         %format_params = (
 120             decimal_fill      => '2',
 121             decimal_point     => '.',
 122             int_curr_symbol   => $int_curr_symbol,
 123             mon_thousands_sep => '\'',
 124             thousands_sep     => '\'',
 125             mon_decimal_point => '.'
 126         );
 127     }
 128
 129
 130     $format_params{p_cs_precedes}  = $p_cs_precedes  if defined $p_cs_precedes;
 131     $format_params{p_sep_by_space} = ( $currency and $currency->p_sep_by_space ) ? 1 : 0;
 132
 133     return \%format_params;
 134 }
 135
 136 1;