introduce the idea of Federated::Base. this is mostly just renaming and collasping of different federation modules, but also starting a direct hiearchy of these federation classes to make everything easier to refactor

app/models/account_deletion.rb

@@ -3,8 +3,7 @@
 #   the COPYRIGHT file.
 
 class AccountDeletion < ActiveRecord::Base
-  include ROXML
-  include Diaspora::Webhooks
+  include Diaspora::Federated::Base
 
 
   belongs_to :person
@@ -15,6 +14,7 @@ class AccountDeletion < ActiveRecord::Base
   xml_name :account_deletion
   xml_attr :diaspora_handle
 
+
   def person=(person)
     self[:diaspora_handle] = person.diaspora_handle
     self[:person_id] = person.id

app/models/comment.rb

@@ -3,9 +3,9 @@
 #   the COPYRIGHT file.
 
 class Comment < ActiveRecord::Base
-  include ROXML
 
-  include Diaspora::Webhooks
+  include Diaspora::Federated::Base
+  
   include Diaspora::Guid
   include Diaspora::Relayable
 

app/models/conversation.rb

@@ -1,7 +1,6 @@
 class Conversation < ActiveRecord::Base
-  include ROXML
+  include Diaspora::Federated::Base
   include Diaspora::Guid
-  include Diaspora::Webhooks
 
   xml_attr :subject
   xml_attr :created_at

app/models/message.rb

@@ -1,9 +1,7 @@
 class NotVisibleError < RuntimeError; end
 class Message < ActiveRecord::Base
-  include ROXML
-
+  include Diaspora::Federated::Base
   include Diaspora::Guid
-  include Diaspora::Webhooks
   include Diaspora::Relayable
 
   xml_attr :text

app/models/photo.rb

@@ -5,10 +5,12 @@
 class Photo < ActiveRecord::Base
   require 'carrierwave/orm/activerecord'
 
+  include Diaspora::Federated::Shareable
   include Diaspora::Commentable
   include Diaspora::Shareable
 
 
+
   # NOTE API V1 to be extracted
   acts_as_api
   api_accessible :backbone do |t|

app/models/post.rb

@@ -5,10 +5,13 @@
 class Post < ActiveRecord::Base
   include ApplicationHelper
 
+  include Diaspora::Federated::Shareable
+
   include Diaspora::Likeable
   include Diaspora::Commentable
   include Diaspora::Shareable
 
+
   has_many :participations, :dependent => :delete_all, :as => :target
 
   attr_accessor :user_like,

app/models/profile.rb

@@ -3,10 +3,8 @@
 #   the COPYRIGHT file.
 
 class Profile < ActiveRecord::Base
-  require File.join(Rails.root, 'lib/diaspora/webhooks')
-  include Diaspora::Webhooks
+  include Diaspora::Federated::Base
   include Diaspora::Taggable
-  include ROXML
 
   attr_accessor :tag_string
 

app/models/request.rb

@@ -4,8 +4,7 @@
 #   the COPYRIGHT file.
 
 class Request
-  include ROXML
-  include Diaspora::Webhooks
+  include Diaspora::Federated::Base
   include ActiveModel::Validations
 
   attr_accessor :sender, :recipient, :aspect

app/models/retraction.rb

@@ -3,8 +3,7 @@
 #   the COPYRIGHT file.
 
 class Retraction
-  include ROXML
-  include Diaspora::Webhooks
+  include Diaspora::Federated::Base
 
   xml_accessor :post_guid
   xml_accessor :diaspora_handle

app/models/signed_retraction.rb

@@ -3,8 +3,8 @@
 #   the COPYRIGHT file.
 
 class SignedRetraction
-  include ROXML
-  include Diaspora::Webhooks
+  include Diaspora::Federated::Base
+  
   include Diaspora::Encryptable
 
   xml_name :signed_retraction

lib/diaspora.rb

@@ -4,5 +4,4 @@
 
 module Diaspora
   autoload :Parser
-  autoload :Webhooks
 end

lib/diaspora/federated/base.rb

@@ -0,0 +1,56 @@
+#   Copyright (c) 2010-2012, Diaspora Inc.  This file is
+#   licensed under the Affero General Public License version 3 or later.  See
+#   the COPYRIGHT file.
+
+#the base level federation contract, which right now means that the object
+#can be serialized and deserialized from xml, and respond to methods
+#in the federation flow
+
+
+#including this module lets you federate an object at the most basic of level
+
+require 'builder/xchar'
+
+module Diaspora
+  module Federated
+    module Base 
+      def self.included(model)
+        model.instance_eval do
+          include ROXML
+          include Diaspora::Federated::Base::InstanceMethods
+        end
+      end
+
+      module InstanceMethods
+        def to_diaspora_xml
+          <<-XML
+          <XML>
+          <post>#{to_xml.to_s}</post>
+          </XML>
+    XML
+        end
+
+        def x(input)
+          input.to_s.to_xs
+        end
+
+        # @abstract
+        # @note this must return [Array<Person>]
+        # @return [Array<Person>]
+        def subscribers(user)
+          raise 'You must override subscribers in order to enable federation on this model'
+        end
+
+        # @abstract
+        def receive(user, person)
+          raise 'You must override receive in order to enable federation on this model'
+        end
+
+        # @param [User] sender
+        # @note this is a hook(optional)
+        def after_dispatch(sender)
+        end
+      end
+    end
+  end
+end

lib/diaspora/federated/shareable.rb

@@ -0,0 +1,116 @@
+#   Copyright (c) 2012, Diaspora Inc.  This file is
+#   licensed under the Affero General Public License version 3 or later.  See
+#   the COPYRIGHT file.
+
+#this module attempts to be what you need to mix into 
+# base level federation objects that are not relayable, and not persistable
+#assumes there is an author, author_id, id, 
+module Diaspora
+  module Federated
+    module Shareable
+
+      def self.included(model)
+        model.instance_eval do
+          #we are order dependant so you don't have to be!
+          include Diaspora::Federated::Base
+          include Diaspora::Federated::Shareable::InstanceMethods
+          include Diaspora::Guid
+
+
+          xml_attr :diaspora_handle
+          xml_attr :public
+          xml_attr :created_at
+        end
+      end
+
+      module InstanceMethods
+        def diaspora_handle
+          read_attribute(:diaspora_handle) || self.author.diaspora_handle
+        end
+
+        def diaspora_handle=(author_handle)
+          self.author = Person.where(:diaspora_handle => author_handle).first
+          write_attribute(:diaspora_handle, author_handle)
+        end
+
+        # @param [User] user The user that is receiving this shareable.
+        # @param [Person] person The person who dispatched this shareable to the
+        # @return [void]
+        def receive(user, person)
+          #exists locally, but you dont know about it
+          #does not exsist locally, and you dont know about it
+          #exists_locally?
+          #you know about it, and it is mutable
+          #you know about it, and it is not mutable
+          self.class.transaction do
+            local_shareable = persisted_shareable
+
+            if local_shareable && verify_persisted_shareable(local_shareable)
+              self.receive_persisted(user, person, local_shareable)
+
+            elsif !local_shareable
+              self.receive_non_persisted(user, person)
+
+            else
+              Rails.logger.info("event=receive payload_type=#{self.class} update=true status=abort sender=#{self.diaspora_handle} reason='update not from shareable owner' existing_shareable=#{self.id}")
+              false
+            end
+          end
+        end
+
+        # The list of people that should receive this Shareable.
+        #
+        # @param [User] user The context, or dispatching user.
+        # @return [Array<Person>] The list of subscribers to this shareable
+        def subscribers(user)
+          if self.public?
+            user.contact_people
+          else
+            user.people_in_aspects(user.aspects_with_shareable(self.class, self.id))
+          end
+        end
+         protected
+
+        # @return [Shareable,void]
+        def persisted_shareable
+          self.class.where(:guid => self.guid).first
+        end
+
+        # @return [Boolean]
+        def verify_persisted_shareable(persisted_shareable)
+          persisted_shareable.author_id == self.author_id
+        end
+
+        def receive_persisted(user, person, local_shareable)
+          known_shareable = user.find_visible_shareable_by_id(self.class.base_class, self.guid, :key => :guid)
+          if known_shareable
+            if known_shareable.mutable?
+              known_shareable.update_attributes(self.attributes)
+              true
+            else
+              Rails.logger.info("event=receive payload_type=#{self.class} update=true status=abort sender=#{self.diaspora_handle} reason=immutable") #existing_shareable=#{known_shareable.id}")
+              false
+            end
+          else
+            user.contact_for(person).receive_shareable(local_shareable)
+            user.notify_if_mentioned(local_shareable)
+            Rails.logger.info("event=receive payload_type=#{self.class} update=true status=complete sender=#{self.diaspora_handle}") #existing_shareable=#{local_shareable.id}")
+            true
+          end
+        end
+
+        def receive_non_persisted(user, person)
+          if self.save
+            user.contact_for(person).receive_shareable(self)
+            user.notify_if_mentioned(self)
+            Rails.logger.info("event=receive payload_type=#{self.class} update=false status=complete sender=#{self.diaspora_handle}")
+            true
+          else
+            Rails.logger.info("event=receive payload_type=#{self.class} update=false status=abort sender=#{self.diaspora_handle} reason=#{self.errors.full_messages}")
+            false
+          end
+        end
+      end
+    end
+  end
+end

lib/diaspora/guid.rb

@@ -1,9 +1,13 @@
+#implicitly requires roxml
+
 module Diaspora::Guid
   # Creates a before_create callback which calls #set_guid and makes the guid serialize in to_xml
   def self.included(model)
     model.class_eval do
       before_create :set_guid
       xml_attr :guid
+      validates :guid, :uniqueness => true
+
     end
   end
 

lib/diaspora/ostatus_builder.rb

@@ -1,80 +0,0 @@
-#   Copyright (c) 2010-2011, Diaspora Inc.  This file is
-#   licensed under the Affero General Public License version 3 or later.  See
-#   the COPYRIGHT file.
-
-module Diaspora
-
-  class Director
-    def initialize
-      @structure = [:create_headers, :create_endpoints, :create_subject,
-                    :create_body, :create_footer]
-    end
-
-    def build(builder)
-      @structure.inject("") do |xml, method|
-        xml << builder.send(method) if builder.respond_to? method
-      end
-    end
-  end
-
-
-  class OstatusBuilder
-    include Diaspora::Webhooks
-    include PeopleHelper
-
-    def initialize(user, posts)
-      @user = user
-      @posts = posts
-    end
-
-    def create_headers
-      <<-XML
-<?xml version="1.0" encoding="UTF-8"?>
-<feed xml:lang="en-US" xmlns="http://www.w3.org/2005/Atom" xmlns:thr="http://purl.org/syndication/thread/1.0" xmlns:georss="http://www.georss.org/georss" xmlns:activity="http://activitystrea.ms/spec/1.0/" xmlns:media="http://purl.org/syndication/atommedia" xmlns:poco="http://portablecontacts.net/spec/1.0" xmlns:ostatus="http://ostatus.org/schema/1.0" xmlns:statusnet="http://status.net/schema/api/1/">
-<generator uri="#{AppConfig[:pod_url]}">Diaspora</generator>
-<id>#{@user.public_url}.atom</id>
-<title>#{x(@user.name)}'s Public Feed</title>
-<subtitle>Updates from #{x(@user.name)} on Diaspora</subtitle>
-<logo>#{@user.person.profile.image_url(:thumb_small)}</logo>
-<updated>#{Time.now.xmlschema}</updated>
-      XML
-    end
-
-    def create_subject
-      <<-XML
-<author>
-  <activity:object-type>http://activitystrea.ms/schema/1.0/person</activity:object-type>
-  <name>#{x(@user.name)}</name>
-  <uri>#{local_or_remote_person_path(@user.person, :absolute => true)}</uri>
-  <poco:preferredUsername>#{x(@user.username)}</poco:preferredUsername>
-  <poco:displayName>#{x(@user.person.name)}</poco:displayName>
-</author>
-      XML
-    end
-
-    def create_endpoints
-      <<-XML
-<link rel="alternate" type="text/html" href="#{@user.public_url}" />
-<link rel="avatar" type="image/jpeg" media:width="100" media:height="100" href="#{@user.profile.image_url}"/>
-<link href="#{AppConfig[:pubsub_server]}" rel="hub"/>
-<link href="#{@user.public_url}.atom" rel="self" type="application/atom+xml"/>
-      XML
-    end
-
-    def create_body
-      @posts.inject("") do |xml,curr|
-        if curr.respond_to?(:to_activity)
-          xml + curr.to_activity(:author => @user.person)
-        else
-          xml
-        end
-      end
-    end
-
-    def create_footer
-      <<-XML
-</feed>
-      XML
-    end
-  end
-end

lib/diaspora/shareable.rb

@@ -1,15 +1,12 @@
 #   Copyright (c) 2010, Diaspora Inc.  This file is
 #   licensed under the Affero General Public License version 3 or later.  See
 #   the COPYRIGHT file.
-
+#the pont of this object is to centralize the simmilarities of Photo and post,
+# as they used to be the same class
 module Diaspora
   module Shareable
-    include Diaspora::Webhooks
-
     def self.included(model)
       model.instance_eval do
-        include ROXML
-        include Diaspora::Guid
 
         has_many :aspect_visibilities, :as => :shareable
         has_many :aspects, :through => :aspect_visibilities
@@ -19,7 +16,6 @@ module Diaspora
 
         belongs_to :author, :class_name => 'Person'
 
-        validates :guid, :uniqueness => true
 
         #scopes
         scope :all_public, where(:public => true, :pending => false)
@@ -27,9 +23,10 @@ module Diaspora
         def self.owned_or_visible_by_user(user)
           self.joins("LEFT OUTER JOIN share_visibilities ON share_visibilities.shareable_id = posts.id AND share_visibilities.shareable_type = 'Post'").
                joins("LEFT OUTER JOIN contacts ON contacts.id = share_visibilities.contact_id").
-               where(Contact.arel_table[:user_id].eq(user.id).or(
-                 self.arel_table[:public].eq(true).or(
-                   self.arel_table[:author_id].eq(user.person.id)
+               where(
+                  Contact.arel_table[:user_id].eq(user.id).or(
+                    self.arel_table[:public].eq(true).or(
+                      self.arel_table[:author_id].eq(user.person.id)
                    )
                  )
                ).
@@ -45,56 +42,6 @@ module Diaspora
         def self.by_max_time(max_time, order='created_at')
           where("#{self.table_name}.#{order} < ?", max_time).order("#{self.table_name}.#{order} desc")
         end
-
-        xml_attr :diaspora_handle
-        xml_attr :public
-        xml_attr :created_at
-      end
-    end
-
-    def diaspora_handle
-      read_attribute(:diaspora_handle) || self.author.diaspora_handle
-    end
-
-    def diaspora_handle= nd
-      self.author = Person.where(:diaspora_handle => nd).first
-      write_attribute(:diaspora_handle, nd)
-    end
-
-    # @param [User] user The user that is receiving this shareable.
-    # @param [Person] person The person who dispatched this shareable to the
-    # @return [void]
-    def receive(user, person)
-      #exists locally, but you dont know about it
-      #does not exsist locally, and you dont know about it
-      #exists_locally?
-      #you know about it, and it is mutable
-      #you know about it, and it is not mutable
-      self.class.transaction do
-        local_shareable = persisted_shareable
-
-        if local_shareable && verify_persisted_shareable(local_shareable)
-          self.receive_persisted(user, person, local_shareable)
-
-        elsif !local_shareable
-          self.receive_non_persisted(user, person)
-
-        else
-          Rails.logger.info("event=receive payload_type=#{self.class} update=true status=abort sender=#{self.diaspora_handle} reason='update not from shareable owner' existing_shareable=#{self.id}")
-          false
-        end
-      end
-    end
-
-    # The list of people that should receive this Shareable.
-    #
-    # @param [User] user The context, or dispatching user.
-    # @return [Array<Person>] The list of subscribers to this shareable
-    def subscribers(user)
-      if self.public?
-        user.contact_people
-      else
-        user.people_in_aspects(user.aspects_with_shareable(self.class, self.id))
       end
     end
 
@@ -103,48 +50,5 @@ module Diaspora
       self.class.where(:id => self.id).
         update_all(:reshares_count => self.reshares.count)
     end
-
-    protected
-
-    # @return [Shareable,void]
-    def persisted_shareable
-      self.class.where(:guid => self.guid).first
-    end
-
-    # @return [Boolean]
-    def verify_persisted_shareable(persisted_shareable)
-      persisted_shareable.author_id == self.author_id
-    end
-
-    def receive_persisted(user, person, local_shareable)
-      known_shareable = user.find_visible_shareable_by_id(self.class.base_class, self.guid, :key => :guid)
-      if known_shareable
-        if known_shareable.mutable?
-          known_shareable.update_attributes(self.attributes)
-          true
-        else
-          Rails.logger.info("event=receive payload_type=#{self.class} update=true status=abort sender=#{self.diaspora_handle} reason=immutable") #existing_shareable=#{known_shareable.id}")
-          false
-        end
-      else
-        user.contact_for(person).receive_shareable(local_shareable)
-        user.notify_if_mentioned(local_shareable)
-        Rails.logger.info("event=receive payload_type=#{self.class} update=true status=complete sender=#{self.diaspora_handle}") #existing_shareable=#{local_shareable.id}")
-        true
-      end
-    end
-
-    def receive_non_persisted(user, person)
-      if self.save
-        user.contact_for(person).receive_shareable(self)
-        user.notify_if_mentioned(self)
-        Rails.logger.info("event=receive payload_type=#{self.class} update=false status=complete sender=#{self.diaspora_handle}")
-        true
-      else
-        Rails.logger.info("event=receive payload_type=#{self.class} update=false status=abort sender=#{self.diaspora_handle} reason=#{self.errors.full_messages}")
-        false
-      end
-    end
-
   end
 end

lib/diaspora/webhooks.rb

@@ -1,38 +0,0 @@
-#   Copyright (c) 2010-2011, Diaspora Inc.  This file is
-#   licensed under the Affero General Public License version 3 or later.  See
-#   the COPYRIGHT file.
-
-module Diaspora
-  module Webhooks
-    require 'builder/xchar'
-
-    def to_diaspora_xml
-      <<XML
-      <XML>
-      <post>#{to_xml.to_s}</post>
-      </XML>
-XML
-    end
-
-    def x(input)
-      input.to_s.to_xs
-    end
-
-    # @abstract
-    # @note this must return [Array<Person>]
-    # @return [Array<Person>]
-    def subscribers(user)
-      raise 'You must override subscribers in order to enable federation on this model'
-    end
-
-    # @abstract
-    def receive(user, person)
-      raise 'You must override receive in order to enable federation on this model'
-    end
-
-    # @param [User] sender
-    # @note this is a hook
-    def after_dispatch sender
-    end
-  end
-end

lib/federated/relayable.rb

@@ -3,9 +3,7 @@ module Federated
     self.abstract_class = true
 
     #crazy ordering issues - DEATH TO ROXML
-    include ROXML
-
-    include Diaspora::Webhooks
+    include Diaspora::Federated::Base
     include Diaspora::Guid
 
     #seriously, don't try to move this shit around until you have killed ROXML

lib/postzord/dispatcher.rb

@@ -25,7 +25,7 @@ class Postzord::Dispatcher
   # @return [Postzord::Dispatcher] Public or private dispatcher depending on the object's intended audience
   def self.build(user, object, opts={})
     unless object.respond_to? :to_diaspora_xml
-      raise 'This object does not respond_to? to_diaspora xml.  Try including Diaspora::Webhooks into your object'
+      raise 'This object does not respond_to? to_diaspora xml.  Try including Diaspora::Federated::Base into your object'
     end
 
     if self.object_should_be_processed_as_public?(object)

lib/postzord/presenter.rb

@@ -0,0 +1,33 @@
+#dispatching
+#a class that figures out the markup of an object
+class Federated::Presenter
+end
+
+#a class that detects the audience of a post
+class Federated::Audience
+end
+
+#this class dispatchs the post to services, like facebook, twitter, etc
+class ServiceDispatcher
+  #interacts with a single post, and many provided services
+end
+
+#Receiving Phases
+  #receive request => check author
+  #xml payload
+  #decode
+  #convert to meta object
+    #perfom various validations
+  #recieve! <= save object, if applicable
+  #after_receive hook
+
+
+  Ideas:
+    Federated objects are delegated stubs of real objects, with converstion constuctors
+      - this turns receive to "make model level object from payload"
+      - seperate validations and checking with persistance and noticiation layer
+
+
+
+    http => deserliaization/decoding/descrypting => meta object => validations => receive => cleanup
+

spec/controllers/users_controller_spec.rb

@@ -47,12 +47,10 @@ describe UsersController do
     end
 
     it 'redirects to a profile page if html is requested' do
-      Diaspora::OstatusBuilder.should_not_receive(:new)
       get :public, :username => @user.username
       response.should be_redirect
     end
     it 'redirects to a profile page if mobile is requested' do
-      Diaspora::OstatusBuilder.should_not_receive(:new)
       get :public, :username => @user.username, :format => :mobile
       response.should be_redirect
     end

spec/lib/diaspora/federated_base_spec.rb

@@ -4,11 +4,11 @@
 
 require 'spec_helper'
 
-describe Diaspora::Webhooks do
+describe Diaspora::Federated::Base do
   describe '#subscribers' do
     it 'throws an error if the including module does not redefine it' do
       class Foo
-        include Diaspora::Webhooks
+        include Diaspora::Federated::Base 
       end
 
       f = Foo.new

spec/lib/postzord/dispatcher_spec.rb

@@ -42,7 +42,7 @@ describe Postzord::Dispatcher do
     it 'raises and gives you a helpful message if the object can not federate' do
       expect {
         Postzord::Dispatcher.build(alice, [])
-      }.should raise_error /Diaspora::Webhooks/
+      }.should raise_error /Diaspora::Federated::Base/
     end
   end
 

spec/lib/web_hooks_spec.rb

@@ -1,14 +0,0 @@
-#   Copyright (c) 2010-2011, Diaspora Inc.  This file is
-#   licensed under the Affero General Public License version 3 or later.  See
-#   the COPYRIGHT file.
-
-require 'spec_helper'
-
-describe Diaspora::Webhooks do
-  it "should add the following methods to Post on inclusion" do
-    user = Factory.build(:user)
-    post = Factory.build(:status_message, :author => user.person)
-
-    post.respond_to?(:to_diaspora_xml).should be true
-  end
-end