add notification model

Author: jiangliwu

constants.js

@@ -37,10 +37,22 @@ const PostTypes = {
   Testimonial: 'Testimonial'
 };
 
+const NotificationStatus = {
+  Read: 'Read',
+  New: 'New'
+};
+
+const NotificationType = {
+  Post: 'Post',
+  Nok: 'Nok'
+};
+
 module.exports = {
   UserRoles,
   UserStatuses,
   Statuses,
+  NotificationStatus,
+  NotificationType,
   FlagStatuses,
   PostTypes
 };

index.js

@@ -41,6 +41,7 @@ const War = require('./src/War')(sequelize, Sequelize);
 const NotificationPreference = require('./src/NotificationPreference')(sequelize, Sequelize);
 const Kin = require('./src/Kin')(sequelize, Sequelize);
 const Burial = require('./src/Burial')(sequelize, Sequelize);
+const Notification = require('./src/Notification')(sequelize, Sequelize);
 
 // Create associations
 const belongsToMany = (source, target, through, as) => {
@@ -98,6 +99,7 @@ module.exports = {
   NotificationPreference,
   Kin,
   Burial,
+  Notification,
   sequelize,
   Sequelize,
   syncDB: force => sequelize.sync({ force }),

migrations/20180905025033-create-notification.js

@@ -0,0 +1,38 @@
+'use strict';
+
+const {NotificationStatus, NotificationType} = require('../constants');
+const _ = require('lodash');
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.createTable('Notifications', {
+      id: {type: Sequelize.BIGINT, allowNull: false, primaryKey: true, autoIncrement: true},
+      content: {type: Sequelize.TEXT, allowNull: false},
+      createdBy: {type: Sequelize.BIGINT, allowNull: false},
+      status: {
+        type: Sequelize.ENUM,
+        allowNull: false,
+        defaultValue: NotificationStatus.New,
+        values: _.values(NotificationStatus),
+      },
+      userId: {type: Sequelize.BIGINT, allowNull: false},
+      type: {
+        type: Sequelize.ENUM,
+        allowNull: false,
+        values: _.values(NotificationType),
+      },
+      subType: {type: Sequelize.STRING},
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      }
+    });
+  },
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.dropTable('Notifications');
+  }
+};

src/Notification.js

@@ -0,0 +1,28 @@
+'use strict';
+
+const {NotificationStatus, NotificationType} = require('../constants');
+/*
+ * Copyright (c) 2018 Topcoder, Inc. All rights reserved.
+ */
+
+/*
+ * the user notification definition
+ */
+module.exports = (sequelize, DataTypes) => sequelize.define('Notification', {
+  id: {type: DataTypes.BIGINT, allowNull: false, primaryKey: true, autoIncrement: true},
+  content: {type: DataTypes.TEXT, allowNull: false},
+  createdBy: {type: DataTypes.BIGINT, allowNull: false}, // who trigger this notification
+  status: {
+    type: DataTypes.ENUM,
+    allowNull: false,
+    defaultValue: NotificationStatus.New,
+    values: _.values(NotificationStatus),
+  },
+  userId: {type: DataTypes.BIGINT, allowNull: false}, // who will receive this notification
+  type: {
+    type: DataTypes.ENUM,
+    allowNull: false,
+    values: _.values(NotificationType),
+  },
+  subType: {type: DataTypes.STRING},
+});