Participations are a federated, relayable model :)

app/models/federated_relayable.rb

+class FederatedRelayable < ActiveRecord::Base
+  self.abstract_class = true
+
+  #crazy ordering issues - DEATH TO ROXML
+  include ROXML
+
+  include Diaspora::Webhooks
+  include Diaspora::Guid
+
+  #seriously, don't try to move this shit around until you have killed ROXML
+  xml_attr :target_type
+  include Diaspora::Relayable
+
+  xml_attr :diaspora_handle
+
+  belongs_to :target, :polymorphic => true
+  belongs_to :author, :class_name => 'Person'
+  #end crazy ordering issues
+
+  validates_uniqueness_of :target_id, :scope => [:target_type, :author_id]
+  validates :parent, :presence => true #should be in relayable (pending on fixing Message)
+
+  def diaspora_handle
+    self.author.diaspora_handle
+  end
+
+  def diaspora_handle=(nh)
+    self.author = Webfinger.new(nh).fetch
+  end
+
+  def parent_class
+    self.target_type.constantize
+  end
+
+  def parent
+    self.target
+  end
+
+  def parent= parent
+    self.target = parent
+  end
+end
\ No newline at end of file

app/models/like.rb

@@ -2,14 +2,16 @@
 #   licensed under the Affero General Public License version 3 or later.  See
 #   the COPYRIGHT file.
 
-class Like < ActiveRecord::Base
-  include ROXML
+class Like < FederatedRelayable
+  after_create do
+    self.parent.update_likes_counter
+  end
 
-  include Diaspora::Webhooks
-  include Diaspora::Guid
+  after_destroy do
+    self.parent.update_likes_counter
+  end
 
-  xml_attr :target_type
-  include Diaspora::Relayable
+  xml_attr :positive
 
   # NOTE API V1 to be extracted
   acts_as_api
@@ -20,43 +22,6 @@ class Like < ActiveRecord::Base
     t.add :created_at
   end
 
-  xml_attr :positive
-  xml_attr :diaspora_handle
-
-  belongs_to :target, :polymorphic => true
-  belongs_to :author, :class_name => 'Person'
-
-  validates_uniqueness_of :target_id, :scope => [:target_type, :author_id]
-  validates :parent, :presence => true #should be in relayable (pending on fixing Message)
-
-  after_create do
-    self.parent.update_likes_counter
-  end
-
-  after_destroy do
-    self.parent.update_likes_counter
-  end
-
-  def diaspora_handle
-    self.author.diaspora_handle
-  end
-
-  def diaspora_handle= nh
-    self.author = Webfinger.new(nh).fetch
-  end
-
-  def parent_class
-    self.target_type.constantize
-  end
-
-  def parent
-    self.target
-  end
-
-  def parent= parent
-    self.target = parent
-  end
-
   def notification_type(user, person)
     #TODO(dan) need to have a notification for likes on comments, until then, return nil
     return nil if self.target_type == "Comment"

app/models/participation.rb

+class Participation < FederatedRelayable
+
+end
\ No newline at end of file

app/models/user.rb

@@ -294,6 +294,16 @@ class User < ActiveRecord::Base
     end
   end
 
+  def participate!(target, opts={})
+    participation = build_participation(opts.merge!(:target => target))
+    if participation.save
+      dispatch_post(participation)
+      participation
+    else
+      false
+    end
+  end
+
   def like!(target, opts={})
     like = build_like(opts.merge!(:target => target, :positive => true))
     if like.save
@@ -311,12 +321,14 @@ class User < ActiveRecord::Base
     r
   end
 
-  ######## Commenting  ########
   def build_comment(options = {})
     build_relayable(Comment, options)
   end
 
-  ######## Liking  ########
+  def build_participation(options = {})
+    build_relayable(Participation, options)
+  end
+
   def build_like(options = {})
     build_relayable(Like, options)
   end

db/migrate/20120208231253_create_participations.rb

+class CreateParticipations < ActiveRecord::Migration
+  def self.up
+    create_table "participations", :force => true do |t|
+      t.string   "guid"
+      t.integer  "target_id"
+      t.string   "target_type",             :limit => 60,                   :null => false
+      t.integer  "author_id"
+      t.text     "author_signature"
+      t.text     "parent_author_signature"
+      t.timestamps
+    end
+  end
+
+  def self.down
+    drop_table :participations
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20120203220932) do
+ActiveRecord::Schema.define(:version => 20120208231253) do
 
   create_table "account_deletions", :force => true do |t|
     t.string  "diaspora_handle"
@@ -244,6 +244,17 @@ ActiveRecord::Schema.define(:version => 20120203220932) do
   add_index "oauth_clients", ["name"], :name => "index_oauth_clients_on_name", :unique => true
   add_index "oauth_clients", ["nonce"], :name => "index_oauth_clients_on_nonce", :unique => true
 
+  create_table "participations", :force => true do |t|
+    t.string   "guid"
+    t.integer  "target_id"
+    t.string   "target_type",             :limit => 60, :null => false
+    t.integer  "author_id"
+    t.text     "author_signature"
+    t.text     "parent_author_signature"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
   create_table "people", :force => true do |t|
     t.string   "guid",                                     :null => false
     t.text     "url",                                      :null => false

spec/models/like_spec.rb

@@ -7,8 +7,7 @@ require File.join(Rails.root, "spec", "shared_behaviors", "relayable")
 
 describe Like do
   before do
-    bobs_aspect = bob.aspects.first
-    @status = bob.post(:status_message, :text => "hello", :to => bobs_aspect.id)
+    @status = bob.post(:status_message, :text => "hello", :to => bob.aspects.first.id)
   end
 
   it 'has a valid factory' do
@@ -94,5 +93,4 @@ describe Like do
     let(:build_object) { alice.build_like(:target => @status, :positive => true) }
     it_should_behave_like 'it is relayable'
   end
-
 end

spec/models/participation_spec.rb

+require "spec_helper"
+
+describe Participation do
+  describe 'it is relayable' do
+    before do
+      @status = bob.post(:status_message, :text => "hello", :to => bob.aspects.first.id)
+
+      @local_luke, @local_leia, @remote_raphael = set_up_friends
+      @remote_parent = Factory(:status_message, :author => @remote_raphael)
+      @local_parent = @local_luke.post :status_message, :text => "foobar", :to => @local_luke.aspects.first
+
+      @object_by_parent_author = @local_luke.participate!(@local_parent)
+      @object_by_recipient = @local_leia.participate!(@local_parent)
+      @dup_object_by_parent_author = @object_by_parent_author.dup
+
+      @object_on_remote_parent = @local_luke.participate!(@remote_parent)
+    end
+
+    let(:build_object) { alice.build_participation(:target => @status) }
+    it_should_behave_like 'it is relayable'
+  end
+end
\ No newline at end of file