39948-vm/backend/src/db/migrations/20260326060001-drop-page-elements-table.js

101 lines
2.4 KiB
JavaScript

'use strict';
/**
* Migration: Drop page_elements table
*
* This table was designed for storing individual page elements but was never used.
* All element data is stored in tour_pages.ui_schema_json instead.
*/
module.exports = {
async up(queryInterface, _Sequelize) {
// Verify the table is empty before dropping
const [results] = await queryInterface.sequelize.query(
'SELECT COUNT(*) as count FROM page_elements',
);
const count = parseInt(results[0].count, 10);
if (count > 0) {
throw new Error(
`Cannot drop page_elements table: it contains ${count} records. Please migrate or delete them first.`,
);
}
await queryInterface.dropTable('page_elements');
console.log('Dropped page_elements table (was empty)');
},
async down(queryInterface, Sequelize) {
// Recreate the page_elements table
await queryInterface.createTable('page_elements', {
id: {
type: Sequelize.UUID,
defaultValue: Sequelize.UUIDV4,
primaryKey: true,
},
pageId: {
type: Sequelize.UUID,
allowNull: false,
references: {
model: 'tour_pages',
key: 'id',
},
onUpdate: 'CASCADE',
onDelete: 'CASCADE',
},
element_type: {
type: Sequelize.STRING,
allowNull: false,
},
xPercent: {
type: Sequelize.DECIMAL(10, 6),
allowNull: true,
},
yPercent: {
type: Sequelize.DECIMAL(10, 6),
allowNull: true,
},
content_json: {
type: Sequelize.TEXT,
allowNull: true,
},
createdAt: {
type: Sequelize.DATE,
allowNull: false,
},
updatedAt: {
type: Sequelize.DATE,
allowNull: false,
},
deletedAt: {
type: Sequelize.DATE,
allowNull: true,
},
createdById: {
type: Sequelize.UUID,
allowNull: true,
references: {
model: 'users',
key: 'id',
},
onUpdate: 'CASCADE',
onDelete: 'SET NULL',
},
updatedById: {
type: Sequelize.UUID,
allowNull: true,
references: {
model: 'users',
key: 'id',
},
onUpdate: 'CASCADE',
onDelete: 'SET NULL',
},
importHash: {
type: Sequelize.STRING(255),
allowNull: true,
unique: true,
},
});
},
};