const Setting = require('lib/models/Setting'); 
const ItemChange = require('lib/models/ItemChange'); 

class ItemChangeUtils {

	static async deleteProcessedChanges() {
		const lastProcessedChangeIds = [
			Setting.value('resourceService.lastProcessedChangeId'),
			Setting.value('searchEngine.lastProcessedChangeId'),
			Setting.value('revisionService.lastProcessedChangeId'),
		];

		const lowestChangeId = Math.min(...lastProcessedChangeIds);
		await ItemChange.deleteOldChanges(lowestChangeId);
	}

}

module.exports = ItemChangeUtils;