joplin/ReactNativeClient/lib/models/ResourceLocalState.js

const BaseModel = require('lib/BaseModel.js');
const { Database } = require('lib/database.js');

class ResourceLocalState extends BaseModel {

	static tableName() {
		return 'resource_local_states';
	}

	static modelType() {
		return BaseModel.TYPE_RESOURCE_LOCAL_STATE;
	}

	static async byResourceId(resourceId) {
		if (!resourceId) throw new Error('Resource ID not provided'); // Sanity check

		const result = await this.modelSelectOne('SELECT * FROM resource_local_states WHERE resource_id = ?', [resourceId]);
		
		if (!result) {
			const defaultRow = this.db().createDefaultRow(this.tableName());
			delete defaultRow.id;
			defaultRow.resource_id = resourceId;
			return defaultRow;
		}

		return result;
	}

	static async save(o) {
		const queries = [
			{ sql: 'DELETE FROM resource_local_states WHERE resource_id = ?', params: [o.resource_id] },
			Database.insertQuery(this.tableName(), o),
		];

		return this.db().transactionExecBatch(queries);
	}

	static batchDelete(ids, options = null) {
		options = options ? Object.assign({}, options) : {};
		options.idFieldName = 'resource_id';
		return super.batchDelete(ids, options);
	}

}

module.exports = ResourceLocalState;