machinomy/lib/storage/SqlMigrator.js

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const DBMigrate = require("db-migrate");
const files = require("../util/files");
class SqlMigrator {
    constructor(log, config) {
        this.log = log;
        log.debug('migrator config %o', config);
        this.migrationsPath = config.cmdOptions['migrations-dir'];
        this.dbmigrate = DBMigrate.getInstance(true, config);
    }
    async isLatest() {
        let r = await this.dbmigrate.check();
        r && r.length > 0 ? this.log.info('Have migrations to be applied') : this.log.info('Latest migration is applied');
        return !(r && r.length > 0);
    }
    async sync(n) {
        let destination = n || await this.lastMigrationNumber();
        this.log.info('Syncing migrations till %s', destination);
        return this.dbmigrate.sync(destination);
    }
    async lastMigrationNumber() {
        let allFiles = await files.readdir(this.migrationsPath);
        let migrations = allFiles.reduce((acc, filename) => {
            let match = filename.match(/^(\d+)[\w-]+\.[jt]s$/);
            return match ? acc.concat([match[1]]) : acc;
        }, []).sort();
        return migrations[migrations.length - 1];
    }
}
exports.default = SqlMigrator;
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