All models using classes and sequelize migrations

backend/src/models/Message.js

@@ -1,22 +1,27 @@
 const Sequelize = require("sequelize");
-const sequelize = require("../database");
 
-const Message = sequelize.define("message", {
-	id: {
-		type: Sequelize.STRING(50),
-		allowNull: false,
-		primaryKey: true,
-	},
-	createdAt: {
-		allowNull: false,
-		type: Sequelize.DATE(6),
-	},
-	userId: { type: Sequelize.INTEGER, defaultValue: 0 },
-	ack: { type: Sequelize.INTEGER, defaultValue: 0 },
-	messageBody: { type: Sequelize.TEXT, allowNull: false },
-	read: { type: Sequelize.BOOLEAN, defaultValue: false },
-	mediaUrl: { type: Sequelize.STRING(250) },
-	mediaType: { type: Sequelize.STRING(250) },
-});
+class Message extends Sequelize.Model {
+	static init(sequelize) {
+		super.init(
+			{
+				ack: { type: Sequelize.INTEGER, defaultValue: 0 },
+				read: { type: Sequelize.BOOLEAN, defaultValue: false },
+				body: { type: Sequelize.TEXT },
+				mediaUrl: { type: Sequelize.STRING },
+				mediaType: { type: Sequelize.STRING },
+			},
+			{
+				sequelize,
+			}
+		);
+
+		return this;
+	}
+
+	static associate(models) {
+		this.belongsTo(models.Ticket, { foreignKey: "ticketId" });
+		this.belongsTo(models.User, { foreignKey: "userId" });
+	}
+}
 
 module.exports = Message;