Module: Multilang::ActiveRecordExtensions::ClassMethods

Defined in:
lib/multilang-hstore/active_record_extensions.rb

Instance Method Summary collapse

Instance Method Details

#multilang(*args) ⇒ Object 



10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
 
# File 'lib/multilang-hstore/active_record_extensions.rb', line 10

def multilang(*args)

  options = {
    :required => false,
    :length => nil,
    :accessible => false,
    :format => nil
  }.merge(args.extract_options!)

  options.assert_valid_keys([:required, :length, :accessible, :format, :nil])

  define_translation_base! unless included_modules.include?(InstanceMethods)

  args.each do |attribute|

    define_method attribute do
      multilang_translation_keeper(attribute).value
    end

    define_method "#{attribute}=" do |value|
      multilang_translation_keeper(attribute).update(value)
    end

    define_method "#{attribute}_before_type_cast" do
      multilang_translation_keeper(attribute).translations
    end

    #attribute accessibility for mass assignment
    if options[:accessible]
      matr = multilang_accessible_translations + [attribute.to_sym]
      class_variable_set(:@@multilang_accessible_translations, matr)
    end

    module_eval do
      serialize "#{attribute}", ActiveRecord::Coders::Hstore
    end

    I18n.available_locales.each do |locale|

      define_method "#{attribute}_#{locale}" do
        multilang_translation_keeper(attribute)[locale]
      end

      define_method "#{attribute}_#{locale}=" do |value|
        multilang_translation_keeper(attribute)[locale] = value
      end

      # locale based attribute accessibility for mass assignment
      if options[:accessible]
        matr = multilang_accessible_translations + ["#{attribute}_#{locale}".to_sym]
        class_variable_set(:@@multilang_accessible_translations, matr)
      end

      # attribute presence validator
      if options[:required]
        module_eval do
          validates_presence_of "#{attribute}_#{locale}"
        end
      end

      #attribute maximal length validator
      if options[:length]
        module_eval do
          validates_length_of "#{attribute}_#{locale}", :maximum => options[:length]
        end
      end

      #attribute format validator
      if options[:format]
        module_eval do
          validates_format_of "#{attribute}_#{locale}", :with => options[:format]
        end
      end

    end
  end
end

#multilang_accessible_translations ⇒ Object 



6
7
8
 
# File 'lib/multilang-hstore/active_record_extensions.rb', line 6

def multilang_accessible_translations
  class_variable_get(:@@multilang_accessible_translations)
end