added comments to books

server/migrations/v2.20.1-add-comments.js

@@ -0,0 +1,61 @@
+const { DataTypes } = require('sequelize')
+
+async function up({ context: { queryInterface, logger } }) {
+  logger.info('[2.20.1 migration] Creating comments table')
+  
+  await queryInterface.createTable('comments', {
+    id: {
+      type: DataTypes.UUID,
+      defaultValue: DataTypes.UUIDV4,
+      primaryKey: true
+    },
+    text: {
+      type: DataTypes.TEXT,
+      allowNull: false
+    },
+    libraryItemId: {
+      type: DataTypes.UUID,
+      allowNull: false,
+      references: {
+        model: 'libraryItems',
+        key: 'id'
+      },
+      onDelete: 'CASCADE',
+      onUpdate: 'CASCADE'
+    },
+    userId: {
+      type: DataTypes.UUID,
+      allowNull: false,
+      references: {
+        model: 'users',
+        key: 'id'
+      },
+      onDelete: 'CASCADE',
+      onUpdate: 'CASCADE'
+    },
+    createdAt: {
+      type: DataTypes.DATE,
+      allowNull: false,
+      defaultValue: DataTypes.NOW
+    },
+    updatedAt: {
+      type: DataTypes.DATE,
+      allowNull: false,
+      defaultValue: DataTypes.NOW
+    }
+  })
+
+  // Add indexes for faster lookups
+  await queryInterface.addIndex('comments', ['libraryItemId'])
+  await queryInterface.addIndex('comments', ['userId'])
+  
+  logger.info('[2.20.1 migration] Comments table created successfully')
+}
+
+async function down({ context: { queryInterface, logger } }) {
+  logger.info('[2.20.1 migration] Dropping comments table')
+  await queryInterface.dropTable('comments')
+  logger.info('[2.20.1 migration] Comments table dropped successfully')
+}
+
+module.exports = { up, down }