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			75 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/**
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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 = '2.17.5'
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const migrationName = `${migrationVersion}-remove-host-from-feed-urls`
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const loggerPrefix = `[${migrationVersion} migration]`
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/**
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 * This upward migration removes the host (serverAddress) from URL columns in the feeds and feedEpisodes tables.
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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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  // Upwards migration script
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  logger.info(`${loggerPrefix} UPGRADE BEGIN: ${migrationName}`)
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  logger.info(`${loggerPrefix} Removing serverAddress from Feeds table URLs`)
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  await queryInterface.sequelize.query(`
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    UPDATE Feeds
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    SET feedUrl = REPLACE(feedUrl, COALESCE(serverAddress, ''), ''),
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        imageUrl = REPLACE(imageUrl, COALESCE(serverAddress, ''), ''),
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        siteUrl = REPLACE(siteUrl, COALESCE(serverAddress, ''), '');
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  `)
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  logger.info(`${loggerPrefix} Removed serverAddress from Feeds table URLs`)
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  logger.info(`${loggerPrefix} Removing serverAddress from FeedEpisodes table URLs`)
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  await queryInterface.sequelize.query(`
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    UPDATE FeedEpisodes
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      SET siteUrl = REPLACE(siteUrl, (SELECT COALESCE(serverAddress, '') FROM Feeds WHERE Feeds.id = FeedEpisodes.feedId), ''),
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          enclosureUrl = REPLACE(enclosureUrl, (SELECT COALESCE(serverAddress, '') FROM Feeds WHERE Feeds.id = FeedEpisodes.feedId), '');
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  `)
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  logger.info(`${loggerPrefix} Removed serverAddress from FeedEpisodes table URLs`)
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  logger.info(`${loggerPrefix} UPGRADE END: ${migrationName}`)
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}
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/**
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 * This downward migration script adds the host (serverAddress) back to URL columns in the feeds and feedEpisodes tables.
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 *
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 * @param {MigrationOptions} options - an object containing the migration context.
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 * @returns {Promise<void>} - A promise that resolves when the migration is complete.
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 */
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async function down({ context: { queryInterface, logger } }) {
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  // Downward migration script
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  logger.info(`${loggerPrefix} DOWNGRADE BEGIN: ${migrationName}`)
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  logger.info(`${loggerPrefix} Adding serverAddress back to Feeds table URLs`)
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  await queryInterface.sequelize.query(`
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    UPDATE Feeds
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    SET feedUrl = COALESCE(serverAddress, '') || feedUrl,
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        imageUrl = COALESCE(serverAddress, '') || imageUrl,
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        siteUrl = COALESCE(serverAddress, '') || siteUrl;
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  `)
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  logger.info(`${loggerPrefix} Added serverAddress back to Feeds table URLs`)
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  logger.info(`${loggerPrefix} Adding serverAddress back to FeedEpisodes table URLs`)
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  await queryInterface.sequelize.query(`
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    UPDATE FeedEpisodes
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      SET siteUrl = (SELECT COALESCE(serverAddress, '') || FeedEpisodes.siteUrl FROM Feeds WHERE Feeds.id = FeedEpisodes.feedId),
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          enclosureUrl = (SELECT COALESCE(serverAddress, '') || FeedEpisodes.enclosureUrl FROM Feeds WHERE Feeds.id = FeedEpisodes.feedId);
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  `)
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  logger.info(`${loggerPrefix} Added serverAddress back to FeedEpisodes table URLs`)
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  logger.info(`${loggerPrefix} DOWNGRADE END: ${migrationName}`)
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}
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module.exports = { up, down }
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