Remove unused interactions method in post controller

app/assets/javascripts/app/models/post/interactions.js

@@ -3,10 +3,6 @@
 //require ../post
 
 app.models.Post.Interactions = Backbone.Model.extend({
-  url : function(){
-    return this.post.url() + "/interactions";
-  },
-
   initialize : function(options){
     this.post = options.post;
     this.comments = new app.collections.Comments(this.get("comments"), {post : this.post});

app/controllers/posts_controller.rb

@@ -39,16 +39,6 @@ class PostsController < ApplicationController
     head :not_found
   end
 
-  def interactions
-    respond_to do |format|
-      format.json {
-        post = post_service.find!(params[:id])
-        render json: PostInteractionPresenter.new(post, current_user)
-      }
-      format.any { head :not_acceptable }
-    end
-  end
-
   def mentionable
     respond_to do |format|
       format.json {

config/routes.rb

@@ -29,7 +29,6 @@ Rails.application.routes.draw do
 
   resources :posts, only: %i(show destroy) do
     member do
-      get :interactions
       get :mentionable
     end
 

spec/controllers/posts_controller_spec.rb

@@ -129,38 +129,6 @@ describe PostsController, type: :controller do
     end
   end
 
-  describe "#interactions" do
-    context "user not signed in" do
-      it "returns a 401 for private posts and format json" do
-        get :interactions, params: {id: post.id}, format: :json
-        expect(response.status).to eq(401)
-        expect(JSON.parse(response.body)["error"]).to eq(I18n.t("devise.failure.unauthenticated"))
-      end
-
-      it "returns a 406 for private posts and format html" do
-        get :interactions, params: {id: post.id}
-        expect(response.status).to eq(406)
-      end
-    end
-
-    context "user signed in" do
-      before do
-        sign_in alice
-      end
-
-      it "shows interactions of a post as json" do
-        get :interactions, params: {id: post.id}, format: :json
-        expect(response.body).to eq(PostInteractionPresenter.new(post, alice).to_json)
-      end
-
-      it "returns a 406 for format html" do
-        sign_in alice
-        get :interactions, params: {id: post.id}
-        expect(response.status).to eq(406)
-      end
-    end
-  end
-
   describe "#mentionable" do
     context "with a user signed in" do
       before do