Merge pull request #45 from fl00r/master

Added support of "conditions" in associations

.gitignore

@@ -7,3 +7,4 @@ spec/dummy/tmp/
 .rvmrc
 .idea
 coverage/
+Gemfile.lock

Gemfile.lock

@@ -1,125 +0,0 @@
-GEM
-  remote: http://rubygems.org/
-  specs:
-    actionmailer (3.1.3)
-      actionpack (= 3.1.3)
-      mail (~> 2.3.0)
-    actionpack (3.1.3)
-      activemodel (= 3.1.3)
-      activesupport (= 3.1.3)
-      builder (~> 3.0.0)
-      erubis (~> 2.7.0)
-      i18n (~> 0.6)
-      rack (~> 1.3.5)
-      rack-cache (~> 1.1)
-      rack-mount (~> 0.8.2)
-      rack-test (~> 0.6.1)
-      sprockets (~> 2.0.3)
-    activemodel (3.1.3)
-      activesupport (= 3.1.3)
-      builder (~> 3.0.0)
-      i18n (~> 0.6)
-    activerecord (3.1.3)
-      activemodel (= 3.1.3)
-      activesupport (= 3.1.3)
-      arel (~> 2.2.1)
-      tzinfo (~> 0.3.29)
-    activeresource (3.1.3)
-      activemodel (= 3.1.3)
-      activesupport (= 3.1.3)
-    activesupport (3.1.3)
-      multi_json (~> 1.0)
-    arel (2.2.1)
-    builder (3.0.0)
-    diff-lcs (1.1.3)
-    erubis (2.7.0)
-    generator_spec (0.8.4)
-      rails (>= 3.0, < 4.0)
-      rspec-rails
-    git (1.2.5)
-    hike (1.2.1)
-    i18n (0.6.0)
-    jeweler (1.6.4)
-      bundler (~> 1.0)
-      git (>= 1.2.5)
-      rake
-    json (1.6.3)
-    json_pure (1.6.3)
-    mail (2.3.0)
-      i18n (>= 0.4.0)
-      mime-types (~> 1.16)
-      treetop (~> 1.4.8)
-    mime-types (1.17.2)
-    multi_json (1.0.4)
-    polyglot (0.3.3)
-    rack (1.3.5)
-    rack-cache (1.1)
-      rack (>= 0.4)
-    rack-mount (0.8.3)
-      rack (>= 1.0.0)
-    rack-ssl (1.3.2)
-      rack
-    rack-test (0.6.1)
-      rack (>= 1.0)
-    rails (3.1.3)
-      actionmailer (= 3.1.3)
-      actionpack (= 3.1.3)
-      activerecord (= 3.1.3)
-      activeresource (= 3.1.3)
-      activesupport (= 3.1.3)
-      bundler (~> 1.0)
-      railties (= 3.1.3)
-    railties (3.1.3)
-      actionpack (= 3.1.3)
-      activesupport (= 3.1.3)
-      rack-ssl (~> 1.3.2)
-      rake (>= 0.8.7)
-      rdoc (~> 3.4)
-      thor (~> 0.14.6)
-    rake (0.9.2.2)
-    rdoc (3.11)
-      json (~> 1.4)
-    rspec (2.7.0)
-      rspec-core (~> 2.7.0)
-      rspec-expectations (~> 2.7.0)
-      rspec-mocks (~> 2.7.0)
-    rspec-core (2.7.1)
-    rspec-expectations (2.7.0)
-      diff-lcs (~> 1.1.2)
-    rspec-mocks (2.7.0)
-    rspec-rails (2.7.0)
-      actionpack (~> 3.0)
-      activesupport (~> 3.0)
-      railties (~> 3.0)
-      rspec (~> 2.7.0)
-    simplecov (0.5.4)
-      multi_json (~> 1.0.3)
-      simplecov-html (~> 0.5.3)
-    simplecov-html (0.5.3)
-    sprockets (2.0.3)
-      hike (~> 1.2)
-      rack (~> 1.0)
-      tilt (~> 1.1, != 1.3.0)
-    sqlite3 (1.3.5)
-    sqlite3-ruby (1.3.3)
-      sqlite3 (>= 1.3.3)
-    thor (0.14.6)
-    tilt (1.3.3)
-    treetop (1.4.10)
-      polyglot
-      polyglot (>= 0.3.1)
-    tzinfo (0.3.31)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  actionpack (>= 3.0.0)
-  generator_spec
-  jeweler
-  json_pure
-  rails (>= 3.0.0)
-  rspec (>= 2.6.0)
-  rspec-rails (>= 2.6.0)
-  simplecov
-  sqlite3-ruby

Rakefile

@@ -7,7 +7,7 @@ rescue LoadError
 end
 
 require 'rake'
-require 'rake/rdoctask'
+require 'rdoc/task'
 
 require 'rspec/core'
 require 'rspec/core/rake_task'

lib/cocoon/view_helpers.rb

@@ -31,10 +31,11 @@ module Cocoon
     end
 
     # :nodoc:
-    def render_association(association, f, new_object, render_options={})
+    def render_association(association, f, new_object, render_options={}, custom_partial=nil)
+      partial = setup_partial(custom_partial, association)
       method_name = f.respond_to?(:semantic_fields_for) ? :semantic_fields_for : (f.respond_to?(:simple_fields_for) ? :simple_fields_for : :fields_for)
       f.send(method_name, association, new_object, {:child_index => "new_#{association}"}.merge(render_options)) do |builder|
-        render(association.to_s.singularize + "_fields", :f => builder, :dynamic => true)
+        render(partial, :f => builder, :dynamic => true)
       end
     end
 
@@ -51,12 +52,14 @@ module Cocoon
         f            = args[0]
         association  = args[1]
         html_options = args[2] || {}
+        options      = args[3] || {}
         link_to_add_association(capture(&block), f, association, html_options)
       else
         name         = args[0]
         f            = args[1]
         association  = args[2]
         html_options = args[3] || {}
+        options      = args[4] || {}
 
         render_options   = html_options.delete(:render_options)
         render_options ||= {}
@@ -65,12 +68,30 @@ module Cocoon
         html_options[:'data-association'] = association.to_s.singularize
         html_options[:'data-associations'] = association.to_s.pluralize
 
-        new_object = f.object.class.reflect_on_association(association).klass.new
-        html_options[:'data-template'] = CGI.escapeHTML(render_association(association, f, new_object, render_options)).html_safe
+        new_object = create_object(f, association)
+        html_options[:'data-template'] = CGI.escapeHTML(render_association(association, f, new_object, render_options, options[:partial])).html_safe
 
         link_to(name, '#', html_options )
       end
     end
 
+    # creates new association object with its conditions, like
+    # `` has_many :admin_comments, class_name: "Comment", conditions: { author: "Admin" }
+    # will create new Comment with author "Admin"
+
+    def create_object(f, association)
+      assoc      = f.object.class.reflect_on_association(association)
+      conditions = assoc.conditions.flatten
+      new_object = assoc.klass.new(*conditions)
+    end
+
+    def setup_partial(partial, association)
+      if partial
+        partial
+      else
+        association.to_s.singularize + "_fields"
+      end
+    end
+
   end
 end

spec/cocoon_spec.rb

@@ -60,7 +60,7 @@ describe Cocoon do
 
     context "with extra render-options for rendering the child relation" do
       it "should use the correct plural" do
-        @tester.should_receive(:render_association).with(:people, @form_obj, anything, {:wrapper => 'inline'})
+        @tester.should_receive(:render_association).with(:people, @form_obj, anything, {:wrapper => 'inline'}, nil)
         result = @tester.link_to_add_association('add something', @form_obj, :people, :render_options => {:wrapper => 'inline'})
         result.to_s.should == '<a href="#" class="add_fields" data-association="person" data-associations="people" data-template="form&lt;tag&gt;">add something</a>'
       end
@@ -133,6 +133,22 @@ describe Cocoon do
         result.to_s.should == "<input id=\"Post__destroy\" name=\"Post[_destroy]\" type=\"hidden\" /><a href=\"#\" class=\"add_some_class remove_fields dynamic\" data-something=\"bla\">remove some long name</a>"
       end
     end
+
+    context "association with conditions" do
+      it "should create correct association" do
+        result = @tester.create_object(@form_obj, :admin_comments)
+        result.author.should == "Admin"
+      end
+    end
+
+    context "should create proper partial" do
+      it "should create correct association" do
+        result = @tester.setup_partial(nil, :admin_comments)
+        result.should == "admin_comment_fields"
+        result = @tester.setup_partial("comment_fields", :admin_comments)
+        result.should == "comment_fields"
+      end
+    end
   end
 
 end

spec/dummy/app/models/post.rb

@@ -1,4 +1,5 @@
 class Post < ActiveRecord::Base
   has_many :comments
+  has_many :admin_comments, class_name: "Comment", :conditions => { :author => "Admin" }
   has_many :people
 end