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joplin/ReactNativeClient/lib/services/MigrationService.js

38 lines
854 B
JavaScript

const BaseService = require('lib/services/BaseService').default;
const Migration = require('lib/models/Migration');
class MigrationService extends BaseService {
constructor() {
super();
}
static instance() {
if (this.instance_) return this.instance_;
this.instance_ = new MigrationService();
return this.instance_;
}
async runScript(num) {
const script = Migration.script(num);
await script.exec();
}
async run() {
const migrations = await Migration.migrationsToDo();
for (const migration of migrations) {
this.logger().info(`Running migration: ${migration.number}`);
try {
await this.runScript(migration.number);
await Migration.delete(migration.id);
} catch (error) {
this.logger().error(`Cannot run migration: ${migration.number}`, error);
break;
}
}
}
}
module.exports = MigrationService;