|  |  |  | "use strict"; | 
					
						
							|  |  |  | Object.defineProperty(exports, "__esModule", { value: true }); | 
					
						
							|  |  |  | exports.AggregateOperation = exports.DB_AGGREGATE_COLLECTION = void 0; | 
					
						
							|  |  |  | const error_1 = require("../error"); | 
					
						
							|  |  |  | const utils_1 = require("../utils"); | 
					
						
							|  |  |  | const command_1 = require("./command"); | 
					
						
							|  |  |  | const operation_1 = require("./operation"); | 
					
						
							|  |  |  | /** @internal */ | 
					
						
							|  |  |  | exports.DB_AGGREGATE_COLLECTION = 1; | 
					
						
							|  |  |  | const MIN_WIRE_VERSION_$OUT_READ_CONCERN_SUPPORT = 8; | 
					
						
							|  |  |  | /** @internal */ | 
					
						
							|  |  |  | class AggregateOperation extends command_1.CommandOperation { | 
					
						
							|  |  |  |     constructor(ns, pipeline, options) { | 
					
						
							|  |  |  |         super(undefined, { ...options, dbName: ns.db }); | 
					
						
							|  |  |  |         this.options = options ?? {}; | 
					
						
							|  |  |  |         // Covers when ns.collection is null, undefined or the empty string, use DB_AGGREGATE_COLLECTION
 | 
					
						
							|  |  |  |         this.target = ns.collection || exports.DB_AGGREGATE_COLLECTION; | 
					
						
							|  |  |  |         this.pipeline = pipeline; | 
					
						
							|  |  |  |         // determine if we have a write stage, override read preference if so
 | 
					
						
							|  |  |  |         this.hasWriteStage = false; | 
					
						
							|  |  |  |         if (typeof options?.out === 'string') { | 
					
						
							|  |  |  |             this.pipeline = this.pipeline.concat({ $out: options.out }); | 
					
						
							|  |  |  |             this.hasWriteStage = true; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         else if (pipeline.length > 0) { | 
					
						
							|  |  |  |             const finalStage = pipeline[pipeline.length - 1]; | 
					
						
							|  |  |  |             if (finalStage.$out || finalStage.$merge) { | 
					
						
							|  |  |  |                 this.hasWriteStage = true; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         if (this.hasWriteStage) { | 
					
						
							|  |  |  |             this.trySecondaryWrite = true; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         if (this.explain && this.writeConcern) { | 
					
						
							|  |  |  |             throw new error_1.MongoInvalidArgumentError('Option "explain" cannot be used on an aggregate call with writeConcern'); | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         if (options?.cursor != null && typeof options.cursor !== 'object') { | 
					
						
							|  |  |  |             throw new error_1.MongoInvalidArgumentError('Cursor options must be an object'); | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  |     get canRetryRead() { | 
					
						
							|  |  |  |         return !this.hasWriteStage; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  |     addToPipeline(stage) { | 
					
						
							|  |  |  |         this.pipeline.push(stage); | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  |     execute(server, session, callback) { | 
					
						
							|  |  |  |         const options = this.options; | 
					
						
							|  |  |  |         const serverWireVersion = (0, utils_1.maxWireVersion)(server); | 
					
						
							|  |  |  |         const command = { aggregate: this.target, pipeline: this.pipeline }; | 
					
						
							|  |  |  |         if (this.hasWriteStage && serverWireVersion < MIN_WIRE_VERSION_$OUT_READ_CONCERN_SUPPORT) { | 
					
						
							|  |  |  |             this.readConcern = undefined; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         if (this.hasWriteStage && this.writeConcern) { | 
					
						
							|  |  |  |             Object.assign(command, { writeConcern: this.writeConcern }); | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         if (options.bypassDocumentValidation === true) { | 
					
						
							|  |  |  |             command.bypassDocumentValidation = options.bypassDocumentValidation; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         if (typeof options.allowDiskUse === 'boolean') { | 
					
						
							|  |  |  |             command.allowDiskUse = options.allowDiskUse; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         if (options.hint) { | 
					
						
							|  |  |  |             command.hint = options.hint; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         if (options.let) { | 
					
						
							|  |  |  |             command.let = options.let; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         // we check for undefined specifically here to allow falsy values
 | 
					
						
							|  |  |  |         // eslint-disable-next-line no-restricted-syntax
 | 
					
						
							|  |  |  |         if (options.comment !== undefined) { | 
					
						
							|  |  |  |             command.comment = options.comment; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         command.cursor = options.cursor || {}; | 
					
						
							|  |  |  |         if (options.batchSize && !this.hasWriteStage) { | 
					
						
							|  |  |  |             command.cursor.batchSize = options.batchSize; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         super.executeCommand(server, session, command, callback); | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | exports.AggregateOperation = AggregateOperation; | 
					
						
							|  |  |  | (0, operation_1.defineAspects)(AggregateOperation, [ | 
					
						
							|  |  |  |     operation_1.Aspect.READ_OPERATION, | 
					
						
							|  |  |  |     operation_1.Aspect.RETRYABLE, | 
					
						
							|  |  |  |     operation_1.Aspect.EXPLAINABLE, | 
					
						
							|  |  |  |     operation_1.Aspect.CURSOR_CREATING | 
					
						
							|  |  |  | ]); | 
					
						
							|  |  |  | //# sourceMappingURL=aggregate.js.map
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