first bricks of the CustomFields plugin

app/models/asset_collection.rb

@@ -1,6 +1,7 @@
 class AssetCollection  
   include Mongoid::Document
   include Mongoid::Timestamps
+  include Mongoid::CustomFields
   
   ## fields ##
   field :name, :type => String
@@ -15,6 +16,8 @@ class AssetCollection
   embeds_many :asset_fields # FIXME (custom fields)
   
   ## behaviours ##
+  custom_fields_for :assets
+  
   accepts_nested_attributes_for :asset_fields, :allow_destroy => true # FIXME (custom fields)
   
   ## callbacks ##

config/initializers/custom_fields.rb

@@ -1,78 +0,0 @@
-# encoding: utf-8
-module Mongoid #:nodoc:
-  module Associations #:nodoc:
-    class Options #:nodoc:
-      def custom_fields
-        @attributes[:custom_fields] == true
-      end
-    end
-  end
-end
-
-# encoding: utf-8
-module Mongoid #:nodoc:
-  module Associations #:nodoc:
-    class EmbedsMany < Proxy
-      def build_with_custom_field_settings(attrs = {}, type = nil)
-        document = build_without_custom_field_settings(attrs, type)
-        if self.target_custom_field_association?
-          document.send(:set_unique_name!)
-          document.send(:set_alias)
-        end
-        document
-      end
-      
-      alias_method_chain :build, :custom_field_settings
-      
-      def target_custom_field_association?
-        return unless @association_name.ends_with?('_fields')
-        
-        target_name = @association_name.gsub(/_fields$/, '').pluralize
-        # puts "target_name = #{target_name} / #{@parent.associations.key?(target_name).inspect} / #{@parent.inspect} / #{@parent.associations.inspect}"
-        if @parent.associations.key?(target_name)
-          @parent.associations[target_name].options.custom_fields
-        end
-      end
-      
-    end
-    
-  end
-end
-
-# encoding: utf-8
-module Mongoid #:nodoc:
-  module Document
-    module InstanceMethods
-      def parentize_with_custom_fields(object, association_name)
-        # puts "...parentize_with_custom_fields...#{self.inspect} - #{object.inspect} - #{association_name}"
-        parentize_without_custom_fields(object, association_name)
-        
-        if self.custom_fields?(object, association_name)
-          # puts "custom fields = #{object.asset_fields.inspect}"
-          # puts "(((((((("
-          
-          # puts " custom fields = #{self.custom_fields_association_name(association_name).inspect} / #{object.send(self.custom_fields_association_name(association_name)).inspect}"
-          
-          [*object.send(self.custom_fields_association_name(association_name))].each do |field|
-            # puts "field = #{field.inspect}"
-            # self.class.send(:set_field, field.name, { :type => field.field_type })
-            field.apply(self, association_name)
-          end
-          # puts "))))))))"
-        end
-      end
-      
-      alias_method_chain :parentize, :custom_fields
-      
-      def custom_fields_association_name(association_name)
-        "#{association_name.singularize}_fields".to_sym
-      end
-      
-      def custom_fields?(object, association_name)
-        object.respond_to?(custom_fields_association_name(association_name)) &&
-        object.associations[association_name] && 
-        object.associations[association_name].options.custom_fields
-      end      
-    end    
-  end
-end

spec/models/asset_collections_spec.rb

@@ -15,133 +15,112 @@ describe AssetCollection do
       puts "first field index = #{@collection.asset_fields.first._index}"
     end
     
-    # context 'define core attributes' do
+    context 'define core attributes' do
-    #         
+            
-    #   it 'should have an unique name' do
+      it 'should have an unique name' do
-    #     @collection.asset_fields.first._name.should == "custom_field_1"
+        @collection.asset_fields.first._name.should == "custom_field_1"
-    #     @collection.asset_fields.last._name.should == "custom_field_2"        
+        @collection.asset_fields.last._name.should == "custom_field_2"        
-    #   end    
+      end    
-    #   
+      
-    #   it 'should have an unique alias' do
+      it 'should have an unique alias' do
-    #     @collection.asset_fields.first._alias.should == "description"
+        @collection.asset_fields.first._alias.should == "description"
-    #     @collection.asset_fields.last._alias.should == "active"
+        @collection.asset_fields.last._alias.should == "active"
-    #   end  
+      end  
-    #         
+            
-    # end
+    end
-    # 
+    
-    # context 'build and save' do
+    context 'build and save' do
-    # 
+    
-    #   it 'should build asset' do
+      it 'should build asset' do
-    #     asset = @collection.assets.build
+        asset = @collection.assets.build
-    #     lambda {
+        lambda {
-    #       asset.description
+          asset.description
-    #       asset.active
+          asset.active
-    #     }.should_not raise_error
+        }.should_not raise_error
-    #   end
+      end
-    #   
+      
-    #   it 'should assign values to newly built asset' do
+      it 'should assign values to newly built asset' do
-    #     asset = build_asset(@collection)
+        asset = build_asset(@collection)
-    #     asset.description.should == 'Lorem ipsum'
+        asset.description.should == 'Lorem ipsum'
-    #     asset.active.should == true
+        asset.active.should == true
-    #   end
+      end
-    #       
+          
-    #   it 'should save asset' do
+      it 'should save asset' do
-    #     asset = build_asset(@collection)
+        asset = build_asset(@collection)
-    #     asset.save and @collection.reload
+        asset.save and @collection.reload
-    #     asset = @collection.assets.first
+        asset = @collection.assets.first
-    #     asset.description.should == 'Lorem ipsum'
+        asset.description.should == 'Lorem ipsum'
-    #     asset.active.should == true
+        asset.active.should == true
-    #   end
+      end
-    #   
+      
-    #   it 'should not modify assets from another collection' do
+      it 'should not modify assets from another collection' do
-    #     asset = build_asset(@collection)
+        asset = build_asset(@collection)
-    #     asset.save and @collection.reload
+        asset.save and @collection.reload
-    #     new_collection = AssetCollection.new
+        new_collection = AssetCollection.new
-    #     lambda { new_collection.assets.build.description }.should raise_error
+        lambda { new_collection.assets.build.description }.should raise_error
-    #   end
+      end
-    # 
+    
-    # end
+    end
-    # 
+    
-    # context 'modifying fields' do
+    context 'modifying fields' do
-    #   
+      
-    #   before(:each) do
+      before(:each) do
-    #     @asset = build_asset(@collection).save
+        @asset = build_asset(@collection).save
-    #   end
+      end
-    #   
+      
-    #   it 'should add new field' do
+      it 'should add new field' do
-    #     @collection.asset_fields.build :label => 'Active at', :name => 'active_at', :kind => 'Date'
+        @collection.asset_fields.build :label => 'Active at', :name => 'active_at', :kind => 'Date'
-    #     @collection.upsert(false)
+        @collection.upsert(false)
-    #     @collection.reload
+        @collection.reload
-    #     asset = @collection.assets.first
+        asset = @collection.assets.first
-    #     lambda { asset.active_at }.should_not raise_error
+        lambda { asset.active_at }.should_not raise_error
-    #   end
+      end
-    #   
+      
-    #   it 'should remove field' do
+      it 'should remove field' do
-    #     @collection.asset_fields.clear
+        @collection.asset_fields.clear
-    #     @collection.upsert(false)    
+        @collection.upsert(false)    
-    #     @collection.reload
+        @collection.reload
-    #     asset = @collection.assets.first
+        asset = @collection.assets.first
-    #     lambda { asset.active }.should raise_error
+        lambda { asset.active }.should raise_error
-    #   end
+      end
-    #   
+      
-    #   it 'should rename field label' do
+      it 'should rename field label' do
-    #     @collection.asset_fields.first.label = 'Simple description'
+        @collection.asset_fields.first.label = 'Simple description'
-    #     @collection.asset_fields.first._alias = nil
+        @collection.asset_fields.first._alias = nil
-    #     @collection.upsert(false)
+        @collection.upsert(false)
-    #     @collection.reload
+        @collection.reload
-    #     asset = @collection.assets.first
+        asset = @collection.assets.first
-    #     asset.simple_description.should == 'Lorem ipsum'
+        asset.simple_description.should == 'Lorem ipsum'
-    #   end
+      end
-    #   
+      
-    # end
+    end
     
     context 'managing from hash' do
       
       before(:each) do
-        # @collection.asset_fields.clear
+        site = Factory.build(:site)
-        # @collection.stubs(:validate).returns(true)
+        Site.stubs(:find).returns(site)
-        # @collection.stubs(:valid?).returns(true)
+        @collection.site = site
-        @collection.site = Factory(:site)
       end
       
-      # it 'should add new field' do
+      it 'should add new field' do
-      #   @collection.asset_fields.clear
+        @collection.asset_fields.clear
-      #   @collection.asset_fields_attributes = { 'NEW_RECORD' => { 'label' => 'Tagline', 'kind' => 'String' } }
+        @collection.asset_fields.build :label => 'Title'
-      #   @collection.asset_fields.first.label.should == 'Tagline'
+        @collection.asset_fields_attributes = { '0' => { 'label' => 'A title', 'kind' => 'String' }, '-1' => { 'label' => 'Tagline', 'kind' => 'String' } }
-      # end
+        @collection.asset_fields.size.should == 2
-      # 
+        @collection.asset_fields.first.label.should == 'A title'
-      # it 'should add new field' do
+        @collection.asset_fields.last.label.should == 'Tagline'
-      #   @collection.asset_fields.build :label => 'Title'
+      end
-      #   @collection.asset_fields_attributes = { '0' => { 'label' => 'A title', 'kind' => 'String' }, '-1' => { 'label' => 'Tagline', 'kind' => 'String' } }
-      #   @collection.asset_fields.size.should == 2
-      #   @collection.asset_fields.first.label.should == 'A title'
-      #   @collection.asset_fields.last.label.should == 'Tagline'
-      # end
-      # 
-      # it 'should rename field'
             
-      it 'should remove field' do        
+      it 'should update/remove fields' do        
         @collection.asset_fields.build :label => 'Title', :kind => 'String'
-        # puts @collection.asset_fields.collect { |d| d._index }.inspect        
+        @collection.save; @collection = AssetCollection.first
-        @collection.save
-        @collection = AssetCollection.first
-        foo = @collection.asset_fields
-        @collection.asset_fields.size.should == 3
         @collection.update_attributes(:asset_fields_attributes => { 
-        # @collection.asset_fields_attributes = {
+          '0' => { 'label' => 'My Description', 'kind' => 'Text', '_destroy' => "1" }, 
-          '0' => { 'label' => 'My Description', 'kind' => 'Text', '_destroy' => "1", "id" => foo[0].id  }, 
+          '1' => { 'label' => 'Active', 'kind' => 'Boolean', '_destroy' => "0" },
-          '1' => { 'label' => 'Active', 'kind' => 'Boolean', '_destroy' => "0", "id" => foo[1].id },
+          '2' => { 'label' => 'My Title !', 'kind' => 'String' } 
-          '2' => { 'label' => 'My Title !', 'kind' => 'String', "id" => foo[2].id } 
-        # }
         })
-        
-        puts @collection.raw_attributes.inspect
-        
-        # @collection.save
         @collection = AssetCollection.first
-        # @collection.reload
-        puts "________________ #{@collection.asset_fields.class.inspect}"
-        puts @collection.asset_fields.inspect
         @collection.asset_fields.size.should == 1
         @collection.asset_fields.first.label.should == 'My Title !'
       end

vendor/plugins/custom_fields/MIT-LICENSE

@@ -0,0 +1,20 @@
+Copyright (c) 2010 [name of plugin creator]
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

vendor/plugins/custom_fields/README

@@ -0,0 +1,13 @@
+CustomField
+===========
+
+Introduction goes here.
+
+
+Example
+=======
+
+Example goes here.
+
+
+Copyright (c) 2010 [name of plugin creator], released under the MIT license

vendor/plugins/custom_fields/Rakefile

@@ -0,0 +1,23 @@
+require 'rake'
+require 'rake/testtask'
+require 'rake/rdoctask'
+
+desc 'Default: run unit tests.'
+task :default => :test
+
+desc 'Test the custom_field plugin.'
+Rake::TestTask.new(:test) do |t|
+  t.libs << 'lib'
+  t.libs << 'test'
+  t.pattern = 'test/**/*_test.rb'
+  t.verbose = true
+end
+
+desc 'Generate documentation for the custom_field plugin.'
+Rake::RDocTask.new(:rdoc) do |rdoc|
+  rdoc.rdoc_dir = 'rdoc'
+  rdoc.title    = 'CustomField'
+  rdoc.options << '--line-numbers' << '--inline-source'
+  rdoc.rdoc_files.include('README')
+  rdoc.rdoc_files.include('lib/**/*.rb')
+end

vendor/plugins/custom_fields/init.rb

@@ -0,0 +1,2 @@
+# Include hook code here
+require File.dirname(__FILE__) + '/lib/custom_fields'

vendor/plugins/custom_fields/install.rb

@@ -0,0 +1 @@
+# Install hook code here

vendor/plugins/custom_fields/lib/custom_fields.rb

@@ -0,0 +1,16 @@
+$:.unshift File.expand_path(File.dirname(__FILE__))
+
+require 'custom_fields/extensions/mongoid/associations/options'
+require 'custom_fields/extensions/mongoid/associations/embeds_many'
+require 'custom_fields/extensions/mongoid/document'
+require 'custom_fields/custom_fields_for'
+
+module Mongoid
+  module CustomFields  
+    extend ActiveSupport::Concern
+    included do
+      puts "loading from CustomFieldsFor"
+      include ::CustomFields::CustomFieldsFor
+    end  
+  end
+end

vendor/plugins/custom_fields/lib/custom_fields/custom_fields_for.rb

@@ -0,0 +1,40 @@
+module CustomFields
+  
+  module CustomFieldsFor
+    
+    def self.included(base)
+      base.extend(ClassMethods)
+    end
+    
+    # Enhance an embedded collection by providing methods to manage custom fields
+    #
+    # class Person
+    #   embeds_many :addresses
+    #   custom_fields_for :addresses
+    # end
+    #
+    # class Address
+    #    embedded_in :person, :inverse_of => :addresses
+    #    field :street, String
+    # end
+    #
+    # person.address_fields.build :label => 'Floor', :kind => 'String'
+    #
+    # person.addresses.build :street => 'Laflin Street', :floor => '42'
+    #
+    module ClassMethods
+      
+      def custom_fields_for(collection_name)
+        puts "settings custom fields for #{collection_name}"
+        
+        class_eval <<-EOV
+          
+        
+        EOV
+      end
+      
+    end
+    
+  end
+  
+end

vendor/plugins/custom_fields/lib/custom_fields/extensions/mongoid/associations/embeds_many.rb

@@ -0,0 +1,29 @@
+# encoding: utf-8
+module Mongoid #:nodoc:
+  module Associations #:nodoc:
+    class EmbedsMany < Proxy
+      def build_with_custom_field_settings(attrs = {}, type = nil)
+        document = build_without_custom_field_settings(attrs, type)
+        if self.target_custom_field_association?
+          document.send(:set_unique_name!)
+          document.send(:set_alias)
+        end
+        document
+      end
+      
+      alias_method_chain :build, :custom_field_settings
+      
+      def target_custom_field_association?
+        return unless @association_name.ends_with?('_fields')
+        
+        target_name = @association_name.gsub(/_fields$/, '').pluralize
+        # puts "target_name = #{target_name} / #{@parent.associations.key?(target_name).inspect} / #{@parent.inspect} / #{@parent.associations.inspect}"
+        if @parent.associations.key?(target_name)
+          @parent.associations[target_name].options.custom_fields
+        end
+      end
+      
+    end
+    
+  end
+end

vendor/plugins/custom_fields/lib/custom_fields/extensions/mongoid/associations/options.rb

@@ -0,0 +1,10 @@
+# encoding: utf-8
+module Mongoid #:nodoc:
+  module Associations #:nodoc:
+    class Options #:nodoc:
+      def custom_fields
+        @attributes[:custom_fields] == true
+      end
+    end
+  end
+end

vendor/plugins/custom_fields/lib/custom_fields/extensions/mongoid/document.rb

@@ -0,0 +1,28 @@
+# encoding: utf-8
+module Mongoid #:nodoc:
+  module Document
+    module InstanceMethods
+      def parentize_with_custom_fields(object, association_name)
+        parentize_without_custom_fields(object, association_name)
+        
+        if self.custom_fields?(object, association_name)
+          object.send(self.custom_fields_association_name(association_name)).each do |field|
+            field.apply(self, association_name)
+          end
+        end
+      end
+      
+      alias_method_chain :parentize, :custom_fields
+      
+      def custom_fields_association_name(association_name)
+        "#{association_name.singularize}_fields".to_sym
+      end
+      
+      def custom_fields?(object, association_name)
+        object.respond_to?(custom_fields_association_name(association_name)) &&
+        object.associations[association_name] && 
+        object.associations[association_name].options.custom_fields
+      end      
+    end    
+  end
+end

vendor/plugins/custom_fields/uninstall.rb

@@ -0,0 +1 @@
+# Uninstall hook code here