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379 lines
16 KiB
JavaScript
379 lines
16 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Db = void 0;
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const admin_1 = require("./admin");
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const bson_1 = require("./bson");
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const change_stream_1 = require("./change_stream");
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const collection_1 = require("./collection");
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const CONSTANTS = require("./constants");
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const aggregation_cursor_1 = require("./cursor/aggregation_cursor");
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const list_collections_cursor_1 = require("./cursor/list_collections_cursor");
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const run_command_cursor_1 = require("./cursor/run_command_cursor");
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const error_1 = require("./error");
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const add_user_1 = require("./operations/add_user");
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const collections_1 = require("./operations/collections");
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const create_collection_1 = require("./operations/create_collection");
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const drop_1 = require("./operations/drop");
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const execute_operation_1 = require("./operations/execute_operation");
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const indexes_1 = require("./operations/indexes");
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const profiling_level_1 = require("./operations/profiling_level");
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const remove_user_1 = require("./operations/remove_user");
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const rename_1 = require("./operations/rename");
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const run_command_1 = require("./operations/run_command");
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const set_profiling_level_1 = require("./operations/set_profiling_level");
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const stats_1 = require("./operations/stats");
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const read_concern_1 = require("./read_concern");
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const read_preference_1 = require("./read_preference");
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const utils_1 = require("./utils");
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const write_concern_1 = require("./write_concern");
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// Allowed parameters
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const DB_OPTIONS_ALLOW_LIST = [
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'writeConcern',
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'readPreference',
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'readPreferenceTags',
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'native_parser',
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'forceServerObjectId',
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'pkFactory',
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'serializeFunctions',
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'raw',
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'authSource',
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'ignoreUndefined',
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'readConcern',
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'retryMiliSeconds',
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'numberOfRetries',
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'useBigInt64',
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'promoteBuffers',
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'promoteLongs',
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'bsonRegExp',
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'enableUtf8Validation',
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'promoteValues',
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'compression',
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'retryWrites'
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];
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/**
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* The **Db** class is a class that represents a MongoDB Database.
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* @public
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*
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* @example
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* ```ts
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* import { MongoClient } from 'mongodb';
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*
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* interface Pet {
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* name: string;
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* kind: 'dog' | 'cat' | 'fish';
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* }
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*
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* const client = new MongoClient('mongodb://localhost:27017');
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* const db = client.db();
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*
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* // Create a collection that validates our union
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* await db.createCollection<Pet>('pets', {
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* validator: { $expr: { $in: ['$kind', ['dog', 'cat', 'fish']] } }
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* })
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* ```
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*/
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class Db {
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/**
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* Creates a new Db instance
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*
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* @param client - The MongoClient for the database.
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* @param databaseName - The name of the database this instance represents.
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* @param options - Optional settings for Db construction
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*/
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constructor(client, databaseName, options) {
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options = options ?? {};
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// Filter the options
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options = (0, utils_1.filterOptions)(options, DB_OPTIONS_ALLOW_LIST);
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// Ensure we have a valid db name
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validateDatabaseName(databaseName);
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// Internal state of the db object
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this.s = {
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// Options
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options,
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// Unpack read preference
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readPreference: read_preference_1.ReadPreference.fromOptions(options),
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// Merge bson options
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bsonOptions: (0, bson_1.resolveBSONOptions)(options, client),
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// Set up the primary key factory or fallback to ObjectId
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pkFactory: options?.pkFactory ?? utils_1.DEFAULT_PK_FACTORY,
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// ReadConcern
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readConcern: read_concern_1.ReadConcern.fromOptions(options),
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writeConcern: write_concern_1.WriteConcern.fromOptions(options),
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// Namespace
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namespace: new utils_1.MongoDBNamespace(databaseName)
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};
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this.client = client;
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}
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get databaseName() {
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return this.s.namespace.db;
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}
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// Options
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get options() {
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return this.s.options;
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}
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/**
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* Check if a secondary can be used (because the read preference is *not* set to primary)
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*/
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get secondaryOk() {
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return this.s.readPreference?.preference !== 'primary' || false;
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}
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get readConcern() {
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return this.s.readConcern;
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}
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/**
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* The current readPreference of the Db. If not explicitly defined for
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* this Db, will be inherited from the parent MongoClient
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*/
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get readPreference() {
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if (this.s.readPreference == null) {
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return this.client.readPreference;
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}
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return this.s.readPreference;
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}
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get bsonOptions() {
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return this.s.bsonOptions;
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}
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// get the write Concern
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get writeConcern() {
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return this.s.writeConcern;
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}
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get namespace() {
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return this.s.namespace.toString();
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}
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/**
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* Create a new collection on a server with the specified options. Use this to create capped collections.
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* More information about command options available at https://www.mongodb.com/docs/manual/reference/command/create/
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*
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* @param name - The name of the collection to create
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* @param options - Optional settings for the command
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*/
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async createCollection(name, options) {
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return (0, execute_operation_1.executeOperation)(this.client, new create_collection_1.CreateCollectionOperation(this, name, (0, utils_1.resolveOptions)(this, options)));
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}
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/**
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* Execute a command
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*
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* @remarks
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* This command does not inherit options from the MongoClient.
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*
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* The driver will ensure the following fields are attached to the command sent to the server:
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* - `lsid` - sourced from an implicit session or options.session
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* - `$readPreference` - defaults to primary or can be configured by options.readPreference
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* - `$db` - sourced from the name of this database
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*
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* If the client has a serverApi setting:
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* - `apiVersion`
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* - `apiStrict`
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* - `apiDeprecationErrors`
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*
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* When in a transaction:
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* - `readConcern` - sourced from readConcern set on the TransactionOptions
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* - `writeConcern` - sourced from writeConcern set on the TransactionOptions
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*
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* Attaching any of the above fields to the command will have no effect as the driver will overwrite the value.
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*
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* @param command - The command to run
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* @param options - Optional settings for the command
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*/
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async command(command, options) {
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// Intentionally, we do not inherit options from parent for this operation.
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return (0, execute_operation_1.executeOperation)(this.client, new run_command_1.RunCommandOperation(this, command, options));
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}
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/**
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* Execute an aggregation framework pipeline against the database, needs MongoDB \>= 3.6
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*
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* @param pipeline - An array of aggregation stages to be executed
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* @param options - Optional settings for the command
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*/
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aggregate(pipeline = [], options) {
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return new aggregation_cursor_1.AggregationCursor(this.client, this.s.namespace, pipeline, (0, utils_1.resolveOptions)(this, options));
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}
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/** Return the Admin db instance */
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admin() {
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return new admin_1.Admin(this);
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}
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/**
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* Returns a reference to a MongoDB Collection. If it does not exist it will be created implicitly.
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*
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* @param name - the collection name we wish to access.
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* @returns return the new Collection instance
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*/
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collection(name, options = {}) {
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if (typeof options === 'function') {
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throw new error_1.MongoInvalidArgumentError('The callback form of this helper has been removed.');
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}
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return new collection_1.Collection(this, name, (0, utils_1.resolveOptions)(this, options));
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}
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/**
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* Get all the db statistics.
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*
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* @param options - Optional settings for the command
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*/
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async stats(options) {
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return (0, execute_operation_1.executeOperation)(this.client, new stats_1.DbStatsOperation(this, (0, utils_1.resolveOptions)(this, options)));
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}
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listCollections(filter = {}, options = {}) {
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return new list_collections_cursor_1.ListCollectionsCursor(this, filter, (0, utils_1.resolveOptions)(this, options));
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}
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/**
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* Rename a collection.
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*
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* @remarks
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* This operation does not inherit options from the MongoClient.
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*
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* @param fromCollection - Name of current collection to rename
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* @param toCollection - New name of of the collection
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* @param options - Optional settings for the command
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*/
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async renameCollection(fromCollection, toCollection, options) {
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// Intentionally, we do not inherit options from parent for this operation.
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return (0, execute_operation_1.executeOperation)(this.client, new rename_1.RenameOperation(this.collection(fromCollection), toCollection, { ...options, new_collection: true, readPreference: read_preference_1.ReadPreference.primary }));
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}
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/**
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* Drop a collection from the database, removing it permanently. New accesses will create a new collection.
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*
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* @param name - Name of collection to drop
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* @param options - Optional settings for the command
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*/
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async dropCollection(name, options) {
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return (0, execute_operation_1.executeOperation)(this.client, new drop_1.DropCollectionOperation(this, name, (0, utils_1.resolveOptions)(this, options)));
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}
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/**
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* Drop a database, removing it permanently from the server.
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*
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* @param options - Optional settings for the command
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*/
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async dropDatabase(options) {
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return (0, execute_operation_1.executeOperation)(this.client, new drop_1.DropDatabaseOperation(this, (0, utils_1.resolveOptions)(this, options)));
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}
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/**
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* Fetch all collections for the current db.
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*
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* @param options - Optional settings for the command
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*/
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async collections(options) {
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return (0, execute_operation_1.executeOperation)(this.client, new collections_1.CollectionsOperation(this, (0, utils_1.resolveOptions)(this, options)));
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}
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/**
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* Creates an index on the db and collection.
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*
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* @param name - Name of the collection to create the index on.
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* @param indexSpec - Specify the field to index, or an index specification
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* @param options - Optional settings for the command
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*/
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async createIndex(name, indexSpec, options) {
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return (0, execute_operation_1.executeOperation)(this.client, new indexes_1.CreateIndexOperation(this, name, indexSpec, (0, utils_1.resolveOptions)(this, options)));
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}
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/**
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* Add a user to the database
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*
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* @param username - The username for the new user
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* @param passwordOrOptions - An optional password for the new user, or the options for the command
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* @param options - Optional settings for the command
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* @deprecated Use the createUser command in `db.command()` instead.
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* @see https://www.mongodb.com/docs/manual/reference/command/createUser/
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*/
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async addUser(username, passwordOrOptions, options) {
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options =
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options != null && typeof options === 'object'
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? options
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: passwordOrOptions != null && typeof passwordOrOptions === 'object'
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? passwordOrOptions
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: undefined;
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const password = typeof passwordOrOptions === 'string' ? passwordOrOptions : undefined;
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return (0, execute_operation_1.executeOperation)(this.client, new add_user_1.AddUserOperation(this, username, password, (0, utils_1.resolveOptions)(this, options)));
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}
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/**
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* Remove a user from a database
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*
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* @param username - The username to remove
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* @param options - Optional settings for the command
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*/
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async removeUser(username, options) {
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return (0, execute_operation_1.executeOperation)(this.client, new remove_user_1.RemoveUserOperation(this, username, (0, utils_1.resolveOptions)(this, options)));
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}
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/**
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* Set the current profiling level of MongoDB
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*
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* @param level - The new profiling level (off, slow_only, all).
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* @param options - Optional settings for the command
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*/
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async setProfilingLevel(level, options) {
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return (0, execute_operation_1.executeOperation)(this.client, new set_profiling_level_1.SetProfilingLevelOperation(this, level, (0, utils_1.resolveOptions)(this, options)));
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}
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/**
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* Retrieve the current profiling Level for MongoDB
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*
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* @param options - Optional settings for the command
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*/
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async profilingLevel(options) {
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return (0, execute_operation_1.executeOperation)(this.client, new profiling_level_1.ProfilingLevelOperation(this, (0, utils_1.resolveOptions)(this, options)));
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}
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/**
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* Retrieves this collections index info.
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*
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* @param name - The name of the collection.
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* @param options - Optional settings for the command
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*/
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async indexInformation(name, options) {
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return (0, execute_operation_1.executeOperation)(this.client, new indexes_1.IndexInformationOperation(this, name, (0, utils_1.resolveOptions)(this, options)));
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}
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/**
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* Create a new Change Stream, watching for new changes (insertions, updates,
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* replacements, deletions, and invalidations) in this database. Will ignore all
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* changes to system collections.
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*
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* @remarks
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* watch() accepts two generic arguments for distinct use cases:
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* - The first is to provide the schema that may be defined for all the collections within this database
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* - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
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*
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* @param pipeline - An array of {@link https://www.mongodb.com/docs/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
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* @param options - Optional settings for the command
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* @typeParam TSchema - Type of the data being detected by the change stream
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* @typeParam TChange - Type of the whole change stream document emitted
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*/
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watch(pipeline = [], options = {}) {
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// Allow optionally not specifying a pipeline
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if (!Array.isArray(pipeline)) {
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options = pipeline;
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pipeline = [];
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}
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return new change_stream_1.ChangeStream(this, pipeline, (0, utils_1.resolveOptions)(this, options));
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}
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/**
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* A low level cursor API providing basic driver functionality:
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* - ClientSession management
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* - ReadPreference for server selection
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* - Running getMores automatically when a local batch is exhausted
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*
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* @param command - The command that will start a cursor on the server.
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* @param options - Configurations for running the command, bson options will apply to getMores
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*/
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runCursorCommand(command, options) {
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return new run_command_cursor_1.RunCommandCursor(this, command, options);
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}
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}
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Db.SYSTEM_NAMESPACE_COLLECTION = CONSTANTS.SYSTEM_NAMESPACE_COLLECTION;
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Db.SYSTEM_INDEX_COLLECTION = CONSTANTS.SYSTEM_INDEX_COLLECTION;
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Db.SYSTEM_PROFILE_COLLECTION = CONSTANTS.SYSTEM_PROFILE_COLLECTION;
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Db.SYSTEM_USER_COLLECTION = CONSTANTS.SYSTEM_USER_COLLECTION;
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Db.SYSTEM_COMMAND_COLLECTION = CONSTANTS.SYSTEM_COMMAND_COLLECTION;
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Db.SYSTEM_JS_COLLECTION = CONSTANTS.SYSTEM_JS_COLLECTION;
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exports.Db = Db;
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// TODO(NODE-3484): Refactor into MongoDBNamespace
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// Validate the database name
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function validateDatabaseName(databaseName) {
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if (typeof databaseName !== 'string')
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throw new error_1.MongoInvalidArgumentError('Database name must be a string');
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if (databaseName.length === 0)
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throw new error_1.MongoInvalidArgumentError('Database name cannot be the empty string');
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if (databaseName === '$external')
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return;
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const invalidChars = [' ', '.', '$', '/', '\\'];
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for (let i = 0; i < invalidChars.length; i++) {
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if (databaseName.indexOf(invalidChars[i]) !== -1)
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throw new error_1.MongoAPIError(`database names cannot contain the character '${invalidChars[i]}'`);
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}
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}
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//# sourceMappingURL=db.js.map
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