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# File 'lib/active_store_accessor.rb', line 8
def active_store_accessor(column_name, attrs)
column = columns.detect { |column| column.name == column_name.to_s }
if !column
raise "[active_store_accessor] The column '#{column_name}' does not exist in the model #{name}."
elsif column.type == :text
serialize(column_name) unless serialized_attributes.include?(column_name.to_s)
end
store_accessor column_name, *attrs.keys
attrs.each do |attr_name, options|
options = { type: options.to_s } unless options.is_a?(Hash)
type = options.fetch(:type) { raise ArgumentError, "please specify type of `#{ attr_name }` attribute" }.to_s
config = if connection.respond_to?(:lookup_cast_type)
column = connection.lookup_cast_type(type)
[column.method(:type_cast_from_database), column.method(:type_cast_for_database)]
else
type = 'datetime' if type == 'time'
args = [attr_name.to_s, options[:default], type]
column = ActiveRecord::ConnectionAdapters::Column.new(*args)
[column.method(:type_cast), column.method(:type_cast_for_write)]
end
config << options[:default]
active_store_attributes[attr_name] = config
_active_store_accessor_module.module_eval " def \#{ attr_name }\n getter, _, default = self.class.active_store_attributes[:\#{ attr_name }]\n value = getter.call(super)\n value.nil? ? default : value\n end\n\n def \#{ attr_name }=(value)\n _, setter, _ = self.class.active_store_attributes[:\#{ attr_name }]\n super setter.call(value)\n end\n RUBY\n end\nend\n"
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