cache/commands/CacheTableCommand.js

//--------------------------------------------------------
//-- Node IoC - Database - Command - Cache Table
//--------------------------------------------------------

import GeneratorCommand from '../../console/GeneratorCommand';


/**
 * Command that creates the migration for "cache" database table.
 *
 * @memberof cache.commands
 * @augments console.GeneratorCommand
 * @hideconstructor
 */
class CacheTableCommand extends GeneratorCommand {

	/**
	 * @inheritdoc
	 */
	get policies() {
		return (super.policies || []).concat(['cache', 'db']);
	}

	/**
	 * @inheritdoc
	 */
	get name() {
		return 'cache:table';
	}

	/**
	 * @inheritdoc
	 */
	get description() {
		return this.t('commands.cache-table.description');
	}

	/**
	 * @inheritdoc
	 */
	get files() {
		return {
			base: this.app.formatPath(__dirname, 'stubs', 'CreateCacheTable.stub')
		};
	}

	/**
	 * @inheritdoc
	 */
	get destination() {
		return this.app.make('db.resolver').resolveSourcePath('migrations');
	}

	/**
	 * @inheritdoc
	 */
	get fileName() {
		const prefix = this.app.make('helper.date')().format('YYYYMMDDHHmmss');
		const name   = this.getClassName();

		return `${prefix}_${name}.js`;
	}

	/**
	 * @inheritdoc
	 */
	get patterns() {
		return {
			TABLE: this.getCacheTableName(),
			CLASS: this.getClassName()
		};
	}

	/**
	 * @inheritdoc
	 */
	get parameters() {
		return [];
	}

	/**
	 * @inheritdoc
	 */
	get options() {
		return [];
	}

	/**
	 * @inheritdoc
	 */
	async handle() {
		this.debug(this.t('commands.cache-table.messages.generating'));

		if (this.migrationExists()) {
			this.warning(this.t('commands.cache-table.messages.already-exists'));

			return;
		}

		await this.generate('base');
		this.info(this.t('commands.cache-table.messages.success'));
		this.info(this.t('commands.cache-table.messages.reminder'));
	}

	/**
	 * Check if migration already exists in configured directory.
	 *
	 * @returns {boolean} The flag indicating if migration exists.
	 */
	migrationExists() {
		const { destination: folder } = this;
		const end   = this.fileName.split('_').pop();
		const files = this.app.make('file').scandir(folder);

		return files.some((name) => {
			return name.endsWith(end);
		});
	}

	/**
	 * Get the cache table name, "cache" by default.
	 *
	 * @returns {string} The cache table name.
	 */
	getCacheTableName() {
		return this.app.make('config').get('cache.stores.database.table', 'cache');
	}

	/**
	 * Get the migration class name.
	 *
	 * @returns {string} The migration class name.
	 */
	getClassName() {
		return `Create${this.app.make('helper.string').pascal(this.getCacheTableName())}Table`;
	}

}


export default CacheTableCommand;