Add article and association with user

migrations/20240606121847-create-article.js

@@ -0,0 +1,50 @@
+'use strict';
+/** @type {import('sequelize-cli').Migration} */
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.createTable('articles', {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER
+      },
+      title: {
+        type: Sequelize.STRING,
+        allowNull: false,
+      },
+      content: {
+        type: Sequelize.STRING
+      },
+      submittedBy: {
+        type: Sequelize.INTEGER,
+        references: {
+          model: 'user',
+          key: 'id',
+          onDelete: 'SET NULL',
+          onUpdate: 'CASCADE'
+        }
+      },
+      reviewedBy: {
+        type: Sequelize.INTEGER,
+        references: {
+          model: 'user',
+          key: 'id',
+          onDelete: 'SET NULL',
+          onUpdate: 'CASCADE'
+        }
+      },
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      }
+    });
+  },
+  async down(queryInterface, Sequelize) {
+    await queryInterface.dropTable('articles');
+  }
+};

models/article.js

@@ -0,0 +1,33 @@
+'use strict';
+const {
+  Model
+} = require('sequelize');
+
+module.exports = (sequelize, DataTypes) => {
+  class article extends Model {
+    static associate(models) {
+      Article.belongsTo(models.User, {
+        foreignKey: 'submitted_by',
+        onDelete: 'SET NULL',
+        onUpdate: 'CASCADE',
+        as: 'submitter',
+      })
+      Article.belongsTo(models.User, {
+        as: 'reviewer',
+        foreignKey: 'reviewed_by',
+        onDelete: 'SET NULL',
+        onUpdate: 'CASCADE',
+      })
+    }
+  }
+  article.init({
+    title: DataTypes.STRING,
+    content: DataTypes.STRING,
+    submittedBy: DataTypes.STRING,
+    reviewedBy: DataTypes.STRING
+  }, {
+    sequelize,
+    modelName: 'article',
+  });
+  return article;
+};

models/user.js

@@ -4,13 +4,18 @@ const {
 } = require('sequelize');
 module.exports = (sequelize, DataTypes) => {
   class user extends Model {
-    /**
-     * Helper method for defining associations.
-     * This method is not a part of Sequelize lifecycle.
-     * The `models/index` file will call this method automatically.
-     */
     static associate(models) {
-      // define association here
+      User.hasMany(models.Article, {
+        foreignKey: 'submitted_by',
+        onDelete: 'SET NULL',
+        onUpdate: 'CASCADE',
+      })
+      User.hasMany(models.Article, {
+        foreignKey: 'reviewed_by',
+        as: 'reviewedArticles',
+        onDelete: 'SET NULL',
+        onUpdate: 'CASCADE',
+      })
     }
   }
   user.init({