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					55 lines
				
				1.7 KiB
			
		
		
			
		
	
	
					55 lines
				
				1.7 KiB
			| 
											3 years ago
										 | 'use strict'; | ||
|  | 
 | ||
|  | const OperationBase = require('./operation').OperationBase; | ||
|  | const updateDocuments = require('./common_functions').updateDocuments; | ||
|  | const hasAtomicOperators = require('../utils').hasAtomicOperators; | ||
|  | 
 | ||
|  | class ReplaceOneOperation extends OperationBase { | ||
|  |   constructor(collection, filter, replacement, options) { | ||
|  |     super(options); | ||
|  | 
 | ||
|  |     if (hasAtomicOperators(replacement)) { | ||
|  |       throw new TypeError('Replacement document must not contain atomic operators'); | ||
|  |     } | ||
|  | 
 | ||
|  |     this.collection = collection; | ||
|  |     this.filter = filter; | ||
|  |     this.replacement = replacement; | ||
|  |   } | ||
|  | 
 | ||
|  |   execute(callback) { | ||
|  |     const coll = this.collection; | ||
|  |     const filter = this.filter; | ||
|  |     const replacement = this.replacement; | ||
|  |     const options = this.options; | ||
|  | 
 | ||
|  |     // Set single document update
 | ||
|  |     options.multi = false; | ||
|  | 
 | ||
|  |     // Execute update
 | ||
|  |     updateDocuments(coll, filter, replacement, options, (err, r) => | ||
|  |       replaceCallback(err, r, replacement, callback) | ||
|  |     ); | ||
|  |   } | ||
|  | } | ||
|  | 
 | ||
|  | function replaceCallback(err, r, doc, callback) { | ||
|  |   if (callback == null) return; | ||
|  |   if (err && callback) return callback(err); | ||
|  |   if (r == null) return callback(null, { result: { ok: 1 } }); | ||
|  | 
 | ||
|  |   r.modifiedCount = r.result.nModified != null ? r.result.nModified : r.result.n; | ||
|  |   r.upsertedId = | ||
|  |     Array.isArray(r.result.upserted) && r.result.upserted.length > 0 | ||
|  |       ? r.result.upserted[0] // FIXME(major): should be `r.result.upserted[0]._id`
 | ||
|  |       : null; | ||
|  |   r.upsertedCount = | ||
|  |     Array.isArray(r.result.upserted) && r.result.upserted.length ? r.result.upserted.length : 0; | ||
|  |   r.matchedCount = | ||
|  |     Array.isArray(r.result.upserted) && r.result.upserted.length > 0 ? 0 : r.result.n; | ||
|  |   r.ops = [doc]; // TODO: Should we still have this?
 | ||
|  |   if (callback) callback(null, r); | ||
|  | } | ||
|  | 
 | ||
|  | module.exports = ReplaceOneOperation; |