mirror of
https://github.com/advplyr/audiobookshelf.git
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68 lines
2.2 KiB
JavaScript
68 lines
2.2 KiB
JavaScript
const { DataTypes } = require('sequelize')
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/**
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* @typedef MigrationContext
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* @property {import('sequelize').QueryInterface} queryInterface - a suquelize QueryInterface object.
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* @property {import('../Logger')} logger - a Logger object.
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*
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* @typedef MigrationOptions
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* @property {MigrationContext} context - an object containing the migration context.
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*/
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const migrationVersion = '2.21.0'
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const migrationName = `${migrationVersion}-add-koreader-hashes`
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const loggerPrefix = `[${migrationVersion} migration]`
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/**
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* This migration adds MD5 hash fields to the books table for KOReader sync support
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*
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* @param {MigrationOptions} options - an object containing the migration context.
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* @returns {Promise<void>} - A promise that resolves when the migration is complete.
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*/
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async function up({ context: { queryInterface, logger } }) {
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logger.info(`${loggerPrefix} UPGRADE BEGIN: ${migrationName}`)
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// Add MD5 hash columns for KOReader sync
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await queryInterface.addColumn('books', 'md5FileHash', {
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type: DataTypes.STRING,
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allowNull: true
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})
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await queryInterface.addColumn('books', 'md5FilenameHash', {
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type: DataTypes.STRING,
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allowNull: true
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})
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// Add indexes for efficient lookup by hash
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await queryInterface.addIndex('books', ['md5FileHash'], {
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name: 'books_md5_file_hash_index'
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})
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await queryInterface.addIndex('books', ['md5FilenameHash'], {
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name: 'books_md5_filename_hash_index'
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})
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logger.info(`${loggerPrefix} UPGRADE END: ${migrationName}`)
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}
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/**
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* This migration removes MD5 hash fields from the books table
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*
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* @param {MigrationOptions} options - an object containing the migration context.
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* @returns {Promise<void>} - A promise that resolves when the migration is complete.
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*/
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async function down({ context: { queryInterface, logger } }) {
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logger.info(`${loggerPrefix} DOWNGRADE BEGIN: ${migrationName}`)
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// Remove indexes
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await queryInterface.removeIndex('books', 'books_md5_file_hash_index')
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await queryInterface.removeIndex('books', 'books_md5_filename_hash_index')
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// Remove columns
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await queryInterface.removeColumn('books', 'md5FileHash')
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await queryInterface.removeColumn('books', 'md5FilenameHash')
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logger.info(`${loggerPrefix} DOWNGRADE END: ${migrationName}`)
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}
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module.exports = { up, down }
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