rearanged sequence of runnign migrations

src/sequelize/migrations/d20240529192329-add-private-Chat-Model.js

@@ -0,0 +1,71 @@
+"use strict";
+
+/** @type {import('sequelize-cli').Migration} */
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.createTable("PrivateChats", {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER,
+      },
+      userId: {
+        type: Sequelize.INTEGER,
+        allowNull: false,
+        references: {
+          model: "users",
+          key: "id",
+        },
+      },
+      receiverId: {
+        type: Sequelize.INTEGER,
+        allowNull: false,
+        references: {
+          model: "users",
+          key: "id",
+        },
+      },
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE,
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE,
+      },
+    });
+
+    const isPrivateChatID = await queryInterface.describeTable("messages").then((columns) => {
+      return "privateChatId" in columns;
+    });
+    const isPrivate = await queryInterface.describeTable("messages").then((columns) => {
+      return "isPrivate" in columns;
+    });
+
+    if (!isPrivateChatID) {
+      await queryInterface.addColumn("messages", "privateChatId", {
+        type: Sequelize.INTEGER,
+        allowNull: true,
+        references: {
+          model: "PrivateChats",
+          key: "id",
+        },
+        onUpdate: "CASCADE",
+        onDelete: "SET NULL",
+      });
+    }
+    if (!isPrivate) {
+      await queryInterface.addColumn("messages", "isPrivate", {
+        type: Sequelize.BOOLEAN,
+        allowNull: false,
+      });
+    }
+  },
+
+  async down(queryInterface, Sequelize) {
+    await queryInterface.dropTable("PrivateChats");
+    await queryInterface.removeColumn("messages", "privateChatId");
+    await queryInterface.removeColumn("messages", "isPrivate");
+  },
+};