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# File 'lib/translatable/translation_class_generator.rb', line 3
def self.generate_for(model_class_name)
class_name = "#{model_class_name}Translation"
return Translatable.const_get(class_name) if Translatable.const_defined?(class_name)
model_class = Object.const_get(model_class_name)
translatable_fields = model_class.translatable_fields
translation_class = Class.new do
include Enumerable
translatable_fields.each do |field|
define_method(field) do
@attributes[field]
end
end
def initialize(attributes = {})
@attributes = attributes.dup
@locale = attributes[:locale]
end
def locale
@locale
end
def [](key)
@attributes[key.to_sym]
end
def to_h
@attributes.dup
end
def each(&block)
return enum_for(:each) unless block_given?
@attributes.each do |key, value|
next if key == :locale
yield(key, value)
end
end
def keys
@attributes.keys.reject { |k| k == :locale }
end
def values
keys.map { |key| @attributes[key] }
end
def empty?
keys.empty? || values.all?(&:blank?)
end
def size
keys.size
end
alias_method :length, :size
def inspect
fields = @attributes.reject { |k, _| k == :locale }
.map { |field, value| "#{field}: #{value.inspect.to_s[0, 30]}" }
.append("locale: #{@locale.inspect}")
.join(', ')
"#<#{self.class} #{fields}>"
end
def to_s
inspect
end
end
translation_class.define_singleton_method(:name) { class_name }
Translatable.const_set(class_name, translation_class)
translation_class
end
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