Create mute rules AJAX controller

app/controllers/ajax/mute_rule_controller.rb

@@ -0,0 +1,67 @@
+class Ajax::MuteRuleController < AjaxController
+  def create
+    params.require :muted_phrase
+
+    unless user_signed_in?
+      @response[:status] = :noauth
+      @response[:message] = I18n.t('messages.noauth')
+      return
+    end
+
+    rule = MuteRule.create!(user: current_user, muted_phrase: params[:muted_phrase])
+    @response[:status] = :okay
+    @response[:success] = true
+    @response[:message] = "Rule added successfully."
+    @response[:id] = rule.id
+  end
+
+  def update
+    params.require :id
+    params.require :muted_phrase
+
+    unless user_signed_in?
+      @response[:status] = :noauth
+      @response[:message] = I18n.t('messages.noauth')
+      return
+    end
+
+    rule = MuteRule.find(params[:id])
+
+    if rule.user_id != current_user.id
+      @response[:status] = :nopriv
+      @response[:message] = "Can't edit other people's rules"
+      return
+    end
+
+    rule.muted_phrase = params[:muted_phrase]
+    rule.save!
+
+    @response[:status] = :okay
+    @response[:message] = "Rule updated successfully."
+    @response[:success] = true
+  end
+
+  def destroy
+    params.require :id
+
+    unless user_signed_in?
+      @response[:status] = :noauth
+      @response[:message] = I18n.t('messages.noauth')
+      return
+    end
+
+    rule = MuteRule.find(params[:id])
+
+    if rule.user_id != current_user.id
+      @response[:status] = :nopriv
+      @response[:message] = "Can't edit other people's rules"
+      return
+    end
+
+    rule.destroy!
+
+    @response[:status] = :okay
+    @response[:message] = "Rule deleted successfully."
+    @response[:success] = true
+  end
+end

config/routes.rb

@@ -114,6 +114,9 @@ Rails.application.routes.draw do
     match '/list_membership', to: 'list#membership', via: :post, as: :list_membership
     match '/subscribe', to: 'subscription#subscribe', via: :post, as: :subscribe_answer
     match '/unsubscribe', to: 'subscription#unsubscribe', via: :post, as: :unsubscribe_answer
+    match '/mute', to: 'mute_rule#create', via: :post, as: :create_mute_rule
+    match '/mute/:id', to: 'mute_rule#update', via: :post, as: :update_mute_rule
+    match '/mute/:id', to: 'mute_rule#destroy', via: :delete, as: :delete_mute_rule
   end
 
   match '/discover', to: 'discover#index', via: :get, as: :discover

spec/controllers/ajax/mute_rule_controller_spec.rb

@@ -0,0 +1,89 @@
+require 'rails_helper'
+
+describe Ajax::MuteRuleController, :ajax_controller, type: :controller do
+
+  describe "#create" do
+    subject { post(:create, params: params) }
+
+    context "when user is signed in" do
+      before(:each) { sign_in(user) }
+
+      let(:params) { { muted_phrase: 'test' } }
+      let(:expected_response) do
+        {
+          "success" => true,
+          "status" => "okay",
+          "id" => MuteRule.last.id,
+          "message" => "Rule added successfully.",
+        }
+      end
+
+      it "creates a mute rule" do
+        expect { subject }.to change { MuteRule.count }.by(1)
+        expect(response).to have_http_status(:success)
+
+        rule = MuteRule.first
+        expect(rule.user_id).to eq(user.id)
+        expect(rule.muted_phrase).to eq('test')
+      end
+
+      include_examples "returns the expected response"
+    end
+  end
+
+  describe "#update" do
+    subject { post(:update, params: params) }
+
+    context "when user is signed in" do
+      before(:each) { sign_in(user) }
+
+      let(:rule) { MuteRule.create(user: user, muted_phrase: 'test') }
+      let(:params) { { id: rule.id, muted_phrase: 'dogs' } }
+      let(:expected_response) do
+        {
+          "success" => true,
+          "status" => "okay",
+          "message" => "Rule updated successfully."
+        }
+      end
+
+      it "updates a mute rule" do
+        subject
+        expect(response).to have_http_status(:success)
+
+        expect(rule.reload.muted_phrase).to eq('dogs')
+      end
+
+      include_examples "returns the expected response"
+    end
+  end
+
+  describe "#destroy" do
+    subject { delete(:destroy, params: params) }
+
+    context "when user is signed in" do
+      before(:each) { sign_in(user) }
+
+      let(:rule) { MuteRule.create(user: user, muted_phrase: 'test') }
+      let(:params) { { id: rule.id } }
+      let(:expected_response) do
+        {
+          "success" => true,
+          "status" => "okay",
+          "message" => "Rule deleted successfully."
+        }
+      end
+
+      it "deletes a mute rule" do
+        subject
+        expect(response).to have_http_status(:success)
+
+        expect(MuteRule.exists?(rule.id)).to eq(false)
+
+      end
+
+      include_examples "returns the expected response"
+    end
+  end
+
+end