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98 lines
2.9 KiB
98 lines
2.9 KiB
'use strict';
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const OperationBase = require('./operation').OperationBase;
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const applyRetryableWrites = require('../utils').applyRetryableWrites;
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const applyWriteConcern = require('../utils').applyWriteConcern;
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const decorateWithCollation = require('../utils').decorateWithCollation;
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const executeCommand = require('./db_ops').executeCommand;
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const formattedOrderClause = require('../utils').formattedOrderClause;
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const handleCallback = require('../utils').handleCallback;
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const ReadPreference = require('../core').ReadPreference;
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class FindAndModifyOperation extends OperationBase {
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constructor(collection, query, sort, doc, options) {
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super(options);
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this.collection = collection;
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this.query = query;
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this.sort = sort;
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this.doc = doc;
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}
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execute(callback) {
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const coll = this.collection;
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const query = this.query;
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const sort = formattedOrderClause(this.sort);
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const doc = this.doc;
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let options = this.options;
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// Create findAndModify command object
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const queryObject = {
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findAndModify: coll.collectionName,
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query: query
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};
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if (sort) {
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queryObject.sort = sort;
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}
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queryObject.new = options.new ? true : false;
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queryObject.remove = options.remove ? true : false;
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queryObject.upsert = options.upsert ? true : false;
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const projection = options.projection || options.fields;
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if (projection) {
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queryObject.fields = projection;
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}
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if (options.arrayFilters) {
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queryObject.arrayFilters = options.arrayFilters;
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}
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if (doc && !options.remove) {
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queryObject.update = doc;
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}
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if (options.maxTimeMS) queryObject.maxTimeMS = options.maxTimeMS;
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// Either use override on the function, or go back to default on either the collection
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// level or db
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options.serializeFunctions = options.serializeFunctions || coll.s.serializeFunctions;
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// No check on the documents
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options.checkKeys = false;
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// Final options for retryable writes and write concern
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options = applyRetryableWrites(options, coll.s.db);
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options = applyWriteConcern(options, { db: coll.s.db, collection: coll }, options);
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// Decorate the findAndModify command with the write Concern
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if (options.writeConcern) {
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queryObject.writeConcern = options.writeConcern;
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}
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// Have we specified bypassDocumentValidation
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if (options.bypassDocumentValidation === true) {
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queryObject.bypassDocumentValidation = options.bypassDocumentValidation;
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}
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options.readPreference = ReadPreference.primary;
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// Have we specified collation
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try {
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decorateWithCollation(queryObject, coll, options);
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} catch (err) {
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return callback(err, null);
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}
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// Execute the command
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executeCommand(coll.s.db, queryObject, options, (err, result) => {
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if (err) return handleCallback(callback, err, null);
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return handleCallback(callback, null, result);
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});
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}
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}
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module.exports = FindAndModifyOperation;
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