sharp-db

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of deleted indexed by table name * @type {Object} */ this.deleted = {}; /** * Arrays of newly inserted ids indexed by table name * @type {Object} */ this.ids = {}; } /** * Insert records that can be cleaned up later * @param {String} table The name of the table to insert into * @param {Object} values The record to insert * @param {Object} options Additional options * @property {Array} options.compositeKey An array of column names that form a composite key * @returns {Promise<Number|Object>} Resolves with the id of the new record or the composite key */ async insert(table, values, options = {}) { const { insertId } = await this.db.insertInto(table, values); if (!Array.isArray(this.ids[table])) { this.ids[table] = []; } if (Array.isArray(options.compositeKey)) { const composite = {}; for (const column of options.compositeKey) { composite[column] = values[column]; } this.ids[table].push(composite); return composite; } else { this.ids[table].push(insertId); return insertId; } } /** * Delete records that can be re-inserted later * @param {String} table The name of the table to delete from * @param {Object} criteria The criteria to match the records * @returns {Promise<Object[]>} An array of all the records */ async delete(table, criteria) { const query = Select.init(this.db); query.table(table); query.where(criteria); const { results: recordset } = await query.fetch(); await this.db.deleteFrom(table, criteria); if (!Array.isArray(this.deleted[table])) { this.deleted[table] = []; } this.deleted[table].push(...recordset); return recordset; } /** * Delete insertions and restore deleted * @returns {Promise<Number>} The total number of rows affected */ async cleanup() { // cleanup inserted records let totalAffectedRows = 0; for (const table of Object.keys(this.ids)) { for (const idOrCompositeKey of this.ids[table]) { const where = typeof idOrCompositeKey === 'number' ? { id: idOrCompositeKey } : idOrCompositeKey; const { affectedRows } = await this.db.deleteFrom(table, where, 1); totalAffectedRows += affectedRows; } } // re-insert deleted records this.ids = {}; for (const table of Object.keys(this.deleted)) { const { affectedRows } = await this.db.insertExtended( table, this.deleted[table] ); totalAffectedRows += affectedRows; } this.deleted = {}; return totalAffectedRows; } /** * Get value for createdAt, createdBy, modifiedAt and modifiedBy * @param {Number} userId The user id to use for createdBy and modifiedBy * @returns {{createdAt: Date, createdBy: Number, modifiedAt: Date, modifiedBy: Number}} */ createdAndModified(userId = 0) { return { createdAt: this.now, createdBy: userId, modifiedAt: this.now, modifiedBy: userId, }; } /** * Get value for created_at, created_by, modified_at and modified_by * @param {Number} userId The user id to use for created_by and modified_by * @returns {{modified_by: Number, created_at: Date, modified_at: Date, created_by: Number}} */ created_and_modified(userId = 0) { return { created_at: this.now, created_by: userId, modified_at: this.now, modified_by: userId, }; } } module.exports = DataBroker; </code></pre> </article> </section> </div> <footer> Generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.6.11</a> on Mon Sep 05 2022 18:14:46 GMT-0600 (Mountain Daylight Time) using the Minami theme. </footer> <script>prettyPrint();</script> <script src="scripts/linenumber.js"></script> </body> </html>