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;
  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     # To avoid the system to crash, we will not format big number
  44     # We divide per 100 because we want to keep the default DECIMAL_DIGITS (2)
  45     # error - round() overflow. Try smaller precision or use Math::BigFloat
  46     return $self->value if abs($self->value) > Number::Format::MAX_INT/100;
  47
  48     return Number::Format->new(%$format_params)->format_price($self->value);
  49 }
  50
  51 sub format_for_editing {
  52     my ( $self, $params ) = @_;
  53     return unless defined $self->value;
  54
  55     my $format_params = $self->_format_params( $params );
  56     $format_params = {
  57         %$format_params,
  58         int_curr_symbol   => '',
  59         mon_thousands_sep => '',
  60         mon_decimal_point => '.',
  61     };
  62
  63     # To avoid the system to crash, we will not format big number
  64     # We divide per 100 because we want to keep the default DECIMAL_DIGITS (2)
  65     # error - round() overflow. Try smaller precision or use Math::BigFloat
  66     return $self->value if $self->value > Number::Format::MAX_INT/100;
  67
  68     return Number::Format->new(%$format_params)->format_price($self->value);
  69 }
  70
  71 sub unformat {
  72     my ( $self, $params ) = @_;
  73     return unless defined $self->value;
  74
  75     my $format_params = $self->_format_params( $params );
  76
  77     return Number::Format->new(%$format_params)->unformat_number($self->value);
  78 }
  79
  80 sub round {
  81     my ( $self ) = @_;
  82     return unless defined $self->value;
  83
  84     my $format_params = $self->_format_params;
  85
  86     # To avoid the system to crash, we will not format big number
  87     # We divide per 100 because we want to keep the default DECIMAL_DIGITS (2)
  88     # error - round() overflow. Try smaller precision or use Math::BigFloat
  89     return $self->value if $self->value > Number::Format::MAX_INT/100;
  90
  91     return Number::Format->new(%$format_params)->round($self->value);
  92 }
  93
  94 sub _format_params {
  95     my ( $self, $params ) = @_;
  96     my $with_symbol = $params->{with_symbol} || 0;
  97     my $p_cs_precedes = $params->{p_cs_precedes};
  98     my $currency        = Koha::Acquisition::Currencies->get_active;
  99     my $currency_format = C4::Context->preference("CurrencyFormat");
 100
 101     my $int_curr_symbol = ( $with_symbol and $currency ) ? $currency->symbol : q||;
 102     my %format_params = (
 103         decimal_fill      => '2',
 104         decimal_point     => '.',
 105         int_curr_symbol   => $int_curr_symbol,
 106         mon_thousands_sep => ',',
 107         thousands_sep     => ',',
 108         mon_decimal_point => '.'
 109     );
 110
 111     if ( $currency_format eq 'FR' ) {
 112         %format_params = (
 113             decimal_fill      => '2',
 114             decimal_point     => ',',
 115             int_curr_symbol   => $int_curr_symbol,
 116             mon_thousands_sep => ' ',
 117             thousands_sep     => ' ',
 118             mon_decimal_point => ','
 119         );
 120     }
 121
 122     if ( $currency_format eq 'CH' ) {
 123         %format_params = (
 124             decimal_fill      => '2',
 125             decimal_point     => '.',
 126             int_curr_symbol   => $int_curr_symbol,
 127             mon_thousands_sep => '\'',
 128             thousands_sep     => '\'',
 129             mon_decimal_point => '.'
 130         );
 131     }
 132
 133
 134     $format_params{p_cs_precedes}  = $p_cs_precedes  if defined $p_cs_precedes;
 135     $format_params{p_sep_by_space} = ( $currency and $currency->p_sep_by_space ) ? 1 : 0;
 136
 137     return \%format_params;
 138 }
 139
 140 1;