Feature: Add new notification settings for user (#569)

Added new notification settings API for user 

Co-authored-by: Sojan Jose <sojan@pepalo.com>

spec/controllers/api/v1/user/notification_settings_controller_spec.rb

@@ -0,0 +1,58 @@
+require 'rails_helper'
+
+RSpec.describe 'Notification Settings API', type: :request do
+  let(:account) { create(:account) }
+
+  describe 'GET /api/v1/user/notification_settings' do
+    context 'when it is an unauthenticated user' do
+      it 'returns unauthorized' do
+        get '/api/v1/user/notification_settings'
+
+        expect(response).to have_http_status(:unauthorized)
+      end
+    end
+
+    context 'when it is an authenticated user' do
+      let(:agent) { create(:user, account: account, role: :agent) }
+
+      it 'returns current user notification settings' do
+        get '/api/v1/user/notification_settings',
+            headers: agent.create_new_auth_token,
+            as: :json
+
+        expect(response).to have_http_status(:success)
+        json_response = JSON.parse(response.body)
+        expect(json_response['user_id']).to eq(agent.id)
+        expect(json_response['account_id']).to eq(account.id)
+      end
+    end
+  end
+
+  describe 'PUT /api/v1/user/notification_settings' do
+    context 'when it is an unauthenticated user' do
+      it 'returns unauthorized' do
+        put '/api/v1/user/notification_settings'
+
+        expect(response).to have_http_status(:unauthorized)
+      end
+    end
+
+    context 'when it is an authenticated user' do
+      let(:agent) { create(:user, account: account, role: :agent) }
+
+      it 'updates the email related notification flags' do
+        put '/api/v1/user/notification_settings',
+            params: { notification_settings: { selected_email_flags: ['conversation_assignment'] } },
+            headers: agent.create_new_auth_token,
+            as: :json
+
+        expect(response).to have_http_status(:success)
+        json_response = JSON.parse(response.body)
+        agent.reload
+        expect(json_response['user_id']).to eq(agent.id)
+        expect(json_response['account_id']).to eq(account.id)
+        expect(json_response['selected_email_flags']).to eq(['conversation_assignment'])
+      end
+    end
+  end
+end