refactored to get attribute type from model types not validation type

reverts to behaviour of old version which allows you to define validations
of any type for sake of the values it is validating against

lib/validates_timeliness/attribute_methods.rb

@@ -4,17 +4,20 @@ module ValidatesTimeliness
 
     module ClassMethods
 
+      protected
+
       def define_timeliness_methods(before_type_cast=false)
         return if timeliness_validated_attributes.blank?
-        timeliness_validated_attributes.each do |attr_name, type|
-          define_timeliness_write_method(attr_name, type, timeliness_attribute_timezone_aware?(attr_name))
+        timeliness_validated_attributes.each do |attr_name|
+          define_timeliness_write_method(attr_name)
           define_timeliness_before_type_cast_method(attr_name) if before_type_cast
         end
       end
 
-      protected
+      def define_timeliness_write_method(attr_name)
+        type = timeliness_attribute_type(attr_name)
+        timezone_aware = timeliness_attribute_timezone_aware?(attr_name)
 
-      def define_timeliness_write_method(attr_name, type, timezone_aware)
         method_body, line = <<-EOV, __LINE__ + 1
           def #{attr_name}=(value)
             @attributes_cache ||= {}
@@ -35,12 +38,16 @@ module ValidatesTimeliness
         class_eval(method_body, __FILE__, line)
       end
 
-      public
-
+      # Override in ORM shim
       def timeliness_attribute_timezone_aware?(attr_name)
         false
       end
 
+      # Override in ORM shim
+      def timeliness_attribute_type(attr_name)
+        :datetime
+      end
+
     end
 
     module InstanceMethods

lib/validates_timeliness/helper_methods.rb

@@ -5,8 +5,8 @@ module ValidatesTimeliness
     included do
       include ValidationMethods
       extend ValidationMethods
-      class_inheritable_hash :timeliness_validated_attributes
-      self.timeliness_validated_attributes = {}
+      class_inheritable_accessor :timeliness_validated_attributes
+      self.timeliness_validated_attributes = []
     end
 
     module ValidationMethods
@@ -23,14 +23,9 @@ module ValidatesTimeliness
       end
 
       def timeliness_validation_for(attr_names, type)
-        options = _merge_attributes(attr_names)
-        options[:type] = type
-        attributes = attr_names.inject({}) {|validated, attr_name|
-          attr_name = attr_name.to_s
-          validated[attr_name] = type
-          validated
-        }
-        self.timeliness_validated_attributes = attributes
+        options = _merge_attributes(attr_names).merge(:type => type)
+        self.timeliness_validated_attributes ||= []
+        self.timeliness_validated_attributes += (attr_names - self.timeliness_validated_attributes)
         validates_with Validator, options
       end
 

lib/validates_timeliness/orm/active_record.rb

@@ -2,13 +2,19 @@ class ActiveRecord::Base
   include ValidatesTimeliness::HelperMethods
   include ValidatesTimeliness::AttributeMethods
 
-  def self.define_attribute_methods
+  class << self
+    def define_attribute_methods
       super
       # Define write method and before_type_cast method
       define_timeliness_methods(true)
     end
 
-  def self.timeliness_attribute_timezone_aware?(attr_name)
+    def timeliness_attribute_timezone_aware?(attr_name)
       create_time_zone_conversion_attribute?(attr_name, columns_hash[attr_name])
     end
+
+    def timeliness_attribute_type(attr_name)
+      columns_hash[attr_name.to_s].type
+    end
+  end
 end

lib/validates_timeliness/orm/mongoid.rb

@@ -7,12 +7,17 @@ module ValidatesTimeliness
       # field value in Mongoid. Parser will return nil rather than error.
 
       module ClassMethods 
+        # Mongoid has no bulk attribute method definition hook. It defines
+        # them with each field definition. So we likewise define them after
+        # each validation is defined.
+        #
         def timeliness_validation_for(attr_names, type)
           super
-          attr_names.each { |attr_name| define_timeliness_write_method(attr_name, type, false) }
+          attr_names.each { |attr_name| define_timeliness_write_method(attr_name) }
         end
 
-        def define_timeliness_write_method(attr_name, type, timezone_aware)
+        def define_timeliness_write_method(attr_name)
+          type = timeliness_attribute_type(attr_name)
           method_body, line = <<-EOV, __LINE__ + 1
             def #{attr_name}=(value)
               @attributes_cache ||= {}
@@ -23,8 +28,17 @@ module ValidatesTimeliness
           EOV
           class_eval(method_body, __FILE__, line)
         end
+
+        def timeliness_attribute_type(attr_name)
+          {
+            Date => :date,
+            Time => :datetime,
+            DateTime => :datetime
+          }[fields[attr_name.to_s].type] || :datetime
         end
       end
+
+    end
   end
 end
  

spec/spec_helper.rb

@@ -48,11 +48,13 @@ end
 
 class Person
   include TestModel
-  self.model_attributes = :birth_date, :birth_time, :birth_datetime
+  attribute :birth_date, :date
+  attribute :birth_time, :time
+  attribute :birth_datetime, :datetime
   validates_date :birth_date
   validates_time :birth_time
   validates_datetime :birth_datetime
-  define_attribute_methods model_attributes
+  define_attribute_methods model_attributes.keys
 end
 
 ActiveRecord::Base.time_zone_aware_attributes = true
@@ -62,8 +64,8 @@ ActiveRecord::Schema.define(:version => 1) do
   create_table :employees, :force => true do |t|
     t.string   :first_name
     t.string   :last_name
-    t.datetime :birth_date
-    t.datetime :birth_time
+    t.date     :birth_date
+    t.time     :birth_time
     t.datetime :birth_datetime
   end
 end
@@ -80,10 +82,10 @@ Rspec.configure do |c|
   c.include(RspecTagMatchers)
   c.before do
     Person.reset_callbacks(:validate)
-    Person.timeliness_validated_attributes = {}
+    Person.timeliness_validated_attributes = []
     Person._validators.clear
     Employee.reset_callbacks(:validate)
-    Employee.timeliness_validated_attributes = {}
+    Employee.timeliness_validated_attributes = []
     Employee._validators.clear
   end
 end

spec/test_model.rb

@@ -13,24 +13,29 @@ module TestModel
   end
 
   module ClassMethods
+    def attribute(name, type)
+      self.model_attributes ||= {}
+      self.model_attributes[name] = type
+    end
+
     def define_method_attribute=(attr_name)
-      generated_attribute_methods.module_eval("def #{attr_name}=(new_value); @attributes['#{attr_name}']=self.class.type_cast(new_value); end", __FILE__, __LINE__)
+      generated_attribute_methods.module_eval("def #{attr_name}=(new_value); @attributes['#{attr_name}']=self.class.type_cast('#{attr_name}', new_value); end", __FILE__, __LINE__)
     end
 
     def define_method_attribute(attr_name)
       generated_attribute_methods.module_eval("def #{attr_name}; @attributes['#{attr_name}']; end", __FILE__, __LINE__)
     end
 
-    def type_cast(value)
+    def type_cast(attr_name, value)
       return value unless value.is_a?(String)
-      value.to_time rescue nil
+      value.send("to_#{model_attributes[attr_name.to_sym]}") rescue nil
     end
   end
 
   module DynamicMethods
     def method_missing(method_id, *args, &block)
       if !self.class.attribute_methods_generated?
-        self.class.define_attribute_methods self.class.model_attributes.map(&:to_s)
+        self.class.define_attribute_methods self.class.model_attributes.keys.map(&:to_s)
         method_name = method_id.to_s
         send(method_id, *args, &block)
       else

spec/validates_timeliness/attribute_methods_spec.rb

@@ -8,7 +8,9 @@ describe ValidatesTimeliness::AttributeMethods do
   context "attribute write method" do
     class PersonWithCache
       include TestModel
-      self.model_attributes = :birth_date, :birth_time, :birth_datetime
+      attribute :birth_date, :date
+      attribute :birth_time, :time
+      attribute :birth_datetime, :datetime
       validates_date :birth_date
       validates_time :birth_time
       validates_datetime :birth_datetime
@@ -23,7 +25,9 @@ describe ValidatesTimeliness::AttributeMethods do
     context "with plugin parser" do
       class PersonWithParser
         include TestModel
-        self.model_attributes = :birth_date, :birth_time, :birth_datetime
+        attribute :birth_date, :date
+        attribute :birth_time, :time
+        attribute :birth_datetime, :datetime
         validates_date :birth_date
         validates_time :birth_time
         validates_datetime :birth_datetime

spec/validates_timeliness/helper_methods_spec.rb

@@ -21,16 +21,12 @@ describe ValidatesTimeliness::HelperMethods do
 
   describe ".timeliness_validated_attributes" do
     it 'should return attributes validated with plugin validator' do
-      Person.timeliness_validated_attributes = {}
+      Person.timeliness_validated_attributes = []
       Person.validates_date :birth_date
       Person.validates_time :birth_time
       Person.validates_datetime :birth_datetime
 
-      Person.timeliness_validated_attributes.should == {
-        "birth_date" => :date,
-        "birth_time" => :time,
-        "birth_datetime" => :datetime
-      }
+      Person.timeliness_validated_attributes.should == [ :birth_date, :birth_time, :birth_datetime ]
     end
   end
 

spec/validates_timeliness/orm/active_record_spec.rb

@@ -16,8 +16,8 @@ describe ValidatesTimeliness, 'ActiveRecord' do
     end
   end
 
-  it 'should define _timeliness_raw_value_for instance method' do
-    Employee.instance_methods.should include('_timeliness_raw_value_for')
+  it 'should determine type for attribute' do
+    Employee.timeliness_attribute_type(:birth_date).should == :date
   end
   
   context "attribute write method" do

spec/validates_timeliness/orm/mongoid_spec.rb

@@ -38,8 +38,8 @@ describe ValidatesTimeliness, 'Mongoid' do
     end
   end
 
-  it 'should define _timeliness_raw_value_for instance method' do
-    Article.instance_methods.should include('_timeliness_raw_value_for')
+  it 'should determine type for attribute' do
+    Article.timeliness_attribute_type(:publish_date).should == :date
   end
   
   context "attribute write method" do

spec/validates_timeliness/validator_spec.rb

@@ -101,7 +101,9 @@ describe ValidatesTimeliness::Validator do
   describe ":format option" do
     class PersonWithFormatOption
       include TestModel
-      self.model_attributes = :birth_date, :birth_time, :birth_datetime
+      attribute :birth_date, :date
+      attribute :birth_time, :time
+      attribute :birth_datetime, :datetime
       validates_date :birth_date, :format => 'dd-mm-yyyy'
     end