Refactor reshares controller using reshare service

app/controllers/reshares_controller.rb

@@ -3,30 +3,22 @@ class ResharesController < ApplicationController
   respond_to :json
 
   def create
-    post = Post.where(:guid => params[:root_guid]).first
-    if post.is_a? Reshare
-      @reshare = current_user.build_post(:reshare, :root_guid => post.absolute_root.guid)
-    else
-      @reshare = current_user.build_post(:reshare, :root_guid => params[:root_guid])
-    end
-
-    if @reshare.save
-      current_user.dispatch_post(@reshare)
-      render :json => ExtremePostPresenter.new(@reshare, current_user), :status => 201
-    else
-      render text: I18n.t("reshares.create.error"), status: 422
-    end
+    reshare = reshare_service.create(params[:root_guid])
+  rescue ActiveRecord::RecordNotFound, ActiveRecord::RecordInvalid
+    render text: I18n.t("reshares.create.error"), status: 422
+  else
+    render json: ExtremePostPresenter.new(reshare, current_user), status: 201
   end
 
   def index
-    @reshares = target.reshares.includes(author: :profile)
-    render json: @reshares.as_api_response(:backbone)
+    render json: reshare_service.find_for_post(params[:post_id])
+      .includes(author: :profile)
+      .as_api_response(:backbone)
   end
 
   private
 
-  def target
-    @target ||= current_user.find_visible_shareable_by_id(Post, params[:post_id]) ||
-      raise(ActiveRecord::RecordNotFound.new)
+  def reshare_service
+    @reshare_service ||= ReshareService.new(current_user)
   end
 end

spec/controllers/reshares_controller_spec.rb

@@ -31,8 +31,9 @@ describe ResharesController, :type => :controller do
         }.to change(Reshare, :count).by(1)
       end
 
-      it 'calls dispatch' do
-        expect(bob).to receive(:dispatch_post)
+      it "federates" do
+        allow_any_instance_of(Participation::Generator).to receive(:create!)
+        expect(Diaspora::Federation::Dispatcher).to receive(:defer_dispatch)
         post_request!
       end