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Your IP : 216.73.216.64
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{ Driver } from \"../Driver\"\nimport { ConnectionIsNotSetError } from \"../../error/ConnectionIsNotSetError\"\nimport { DriverPackageNotInstalledError } from \"../../error/DriverPackageNotInstalledError\"\nimport { CteCapabilities } from \"../types/CteCapabilities\"\nimport { MongoQueryRunner } from \"./MongoQueryRunner\"\nimport { ObjectLiteral } from \"../../common/ObjectLiteral\"\nimport { ColumnMetadata } from \"../../metadata/ColumnMetadata\"\nimport { PlatformTools } from \"../../platform/PlatformTools\"\nimport { DataSource } from \"../../data-source/DataSource\"\nimport { MongoConnectionOptions } from \"./MongoConnectionOptions\"\nimport { MappedColumnTypes } from \"../types/MappedColumnTypes\"\nimport { ColumnType } from \"../types/ColumnTypes\"\nimport { MongoSchemaBuilder } from \"../../schema-builder/MongoSchemaBuilder\"\nimport { DataTypeDefaults } from \"../types/DataTypeDefaults\"\nimport { TableColumn } from \"../../schema-builder/table/TableColumn\"\nimport { DataSourceOptions } from \"../../data-source/DataSourceOptions\"\nimport { EntityMetadata } from \"../../metadata/EntityMetadata\"\nimport { ObjectUtils } from \"../../util/ObjectUtils\"\nimport { ApplyValueTransformers } from \"../../util/ApplyValueTransformers\"\nimport { ReplicationMode } from \"../types/ReplicationMode\"\nimport { DriverUtils } from \"../DriverUtils\"\nimport { TypeORMError } from \"../../error\"\nimport { Table } from \"../../schema-builder/table/Table\"\nimport { View } from \"../../schema-builder/view/View\"\nimport { TableForeignKey } from \"../../schema-builder/table/TableForeignKey\"\nimport { InstanceChecker } from \"../../util/InstanceChecker\"\nimport { UpsertType } from \"../types/UpsertType\"\n\n/**\n * Organizes communication with MongoDB.\n */\nexport class MongoDriver implements Driver {\n // -------------------------------------------------------------------------\n // Public Properties\n // -------------------------------------------------------------------------\n\n /**\n * Underlying mongodb library.\n */\n mongodb: any\n\n /**\n * Mongodb does not require to dynamically create query runner each time,\n * because it does not have a regular connection pool as RDBMS systems have.\n */\n queryRunner?: MongoQueryRunner\n\n // -------------------------------------------------------------------------\n // Public Implemented Properties\n // -------------------------------------------------------------------------\n\n /**\n * Connection options.\n */\n options: MongoConnectionOptions\n\n /**\n * Master database used to perform all write queries.\n */\n database?: string\n\n /**\n * Indicates if replication is enabled.\n */\n isReplicated: boolean = false\n\n /**\n * Indicates if tree tables are supported by this driver.\n */\n treeSupport = false\n\n /**\n * Represent transaction support by this driver\n */\n transactionSupport = \"none\" as const\n\n /**\n * Mongodb does not need to have column types because they are not used in schema sync.\n */\n supportedDataTypes: ColumnType[] = []\n\n /**\n * Returns type of upsert supported by driver if any\n */\n supportedUpsertTypes: UpsertType[]\n\n /**\n * Gets list of spatial column data types.\n */\n spatialTypes: ColumnType[] = []\n\n /**\n * Gets list of column data types that support length by a driver.\n */\n withLengthColumnTypes: ColumnType[] = []\n\n /**\n * Gets list of column data types that support precision by a driver.\n */\n withPrecisionColumnTypes: ColumnType[] = []\n\n /**\n * Gets list of column data types that support scale by a driver.\n */\n withScaleColumnTypes: ColumnType[] = []\n\n /**\n * Mongodb does not need to have a strong defined mapped column types because they are not used in schema sync.\n */\n mappedDataTypes: MappedColumnTypes = {\n createDate: \"int\",\n createDateDefault: \"\",\n updateDate: \"int\",\n updateDateDefault: \"\",\n deleteDate: \"int\",\n deleteDateNullable: true,\n version: \"int\",\n treeLevel: \"int\",\n migrationId: \"int\",\n migrationName: \"int\",\n migrationTimestamp: \"int\",\n cacheId: \"int\",\n cacheIdentifier: \"int\",\n cacheTime: \"int\",\n cacheDuration: \"int\",\n cacheQuery: \"int\",\n cacheResult: \"int\",\n metadataType: \"int\",\n metadataDatabase: \"int\",\n metadataSchema: \"int\",\n metadataTable: \"int\",\n metadataName: \"int\",\n metadataValue: \"int\",\n }\n\n /**\n * Default values of length, precision and scale depends on column data type.\n * Used in the cases when length/precision/scale is not specified by user.\n */\n dataTypeDefaults: DataTypeDefaults\n\n /**\n * No documentation specifying a maximum length for identifiers could be found\n * for MongoDB.\n */\n maxAliasLength?: number\n\n // -------------------------------------------------------------------------\n // Protected Properties\n // -------------------------------------------------------------------------\n\n /**\n * Valid mongo connection options\n * NOTE: Keep sync with MongoConnectionOptions\n * Sync with http://mongodb.github.io/node-mongodb-native/3.5/api/MongoClient.html\n */\n protected validOptionNames: string[] = [\n \"poolSize\",\n \"ssl\",\n \"sslValidate\",\n \"sslCA\",\n \"sslCert\",\n \"sslKey\",\n \"sslPass\",\n \"sslCRL\",\n \"autoReconnect\",\n \"noDelay\",\n \"keepAlive\",\n \"keepAliveInitialDelay\",\n \"connectTimeoutMS\",\n \"family\",\n \"socketTimeoutMS\",\n \"reconnectTries\",\n \"reconnectInterval\",\n \"ha\",\n \"haInterval\",\n \"replicaSet\",\n \"secondaryAcceptableLatencyMS\",\n \"acceptableLatencyMS\",\n \"connectWithNoPrimary\",\n \"authSource\",\n \"w\",\n \"wtimeout\",\n \"j\",\n \"writeConcern\",\n \"forceServerObjectId\",\n \"serializeFunctions\",\n \"ignoreUndefined\",\n \"raw\",\n \"bufferMaxEntries\",\n \"readPreference\",\n \"pkFactory\",\n \"promiseLibrary\",\n \"readConcern\",\n \"maxStalenessSeconds\",\n \"loggerLevel\",\n // Do not overwrite BaseDataSourceOptions.logger\n // \"logger\",\n \"promoteValues\",\n \"promoteBuffers\",\n \"promoteLongs\",\n \"domainsEnabled\",\n \"checkServerIdentity\",\n \"validateOptions\",\n \"appname\",\n // omit auth - we are building url from username and password\n // \"auth\"\n \"authMechanism\",\n \"compression\",\n \"fsync\",\n \"readPreferenceTags\",\n \"numberOfRetries\",\n \"auto_reconnect\",\n \"minSize\",\n \"monitorCommands\",\n \"useNewUrlParser\",\n \"useUnifiedTopology\",\n \"autoEncryption\",\n \"retryWrites\",\n \"directConnection\",\n ]\n\n cteCapabilities: CteCapabilities = {\n enabled: false,\n }\n\n // -------------------------------------------------------------------------\n // Constructor\n // -------------------------------------------------------------------------\n\n constructor(protected connection: DataSource) {\n this.options = connection.options as MongoConnectionOptions\n\n // validate options to make sure everything is correct and driver will be able to establish connection\n this.validateOptions(connection.options)\n\n // load mongodb package\n this.loadDependencies()\n\n this.database = DriverUtils.buildMongoDBDriverOptions(\n this.options,\n ).database\n }\n\n // -------------------------------------------------------------------------\n // Public Methods\n // -------------------------------------------------------------------------\n\n /**\n * Performs connection to the database.\n */\n async connect(): Promise<void> {\n const options = DriverUtils.buildMongoDBDriverOptions(this.options)\n\n const client = await this.mongodb.MongoClient.connect(\n this.buildConnectionUrl(options),\n this.buildConnectionOptions(options),\n )\n\n this.queryRunner = new MongoQueryRunner(this.connection, client)\n ObjectUtils.assign(this.queryRunner, {\n manager: this.connection.manager,\n })\n }\n\n afterConnect(): Promise<void> {\n return Promise.resolve()\n }\n\n /**\n * Closes connection with the database.\n */\n async disconnect(): Promise<void> {\n if (!this.queryRunner) throw new ConnectionIsNotSetError(\"mongodb\")\n // const handler = (err: any) => (err ? fail(err) : ok())\n this.queryRunner.databaseConnection.close()\n this.queryRunner = undefined\n // return ok()\n }\n\n /**\n * Creates a schema builder used to build and sync a schema.\n */\n createSchemaBuilder() {\n return new MongoSchemaBuilder(this.connection)\n }\n\n /**\n * Creates a query runner used to execute database queries.\n */\n createQueryRunner(mode: ReplicationMode) {\n return this.queryRunner!\n }\n\n /**\n * Replaces parameters in the given sql with special escaping character\n * and an array of parameter names to be passed to a query.\n */\n escapeQueryWithParameters(\n sql: string,\n parameters: ObjectLiteral,\n nativeParameters: ObjectLiteral,\n ): [string, any[]] {\n throw new TypeORMError(\n `This operation is not supported by Mongodb driver.`,\n )\n }\n\n /**\n * Escapes a column name.\n */\n escape(columnName: string): string {\n return columnName\n }\n\n /**\n * Build full table name with database name, schema name and table name.\n * E.g. myDB.mySchema.myTable\n */\n buildTableName(\n tableName: string,\n schema?: string,\n database?: string,\n ): string {\n return tableName\n }\n\n /**\n * Parse a target table name or other types and return a normalized table definition.\n */\n parseTableName(\n target: EntityMetadata | Table | View | TableForeignKey | string,\n ): { tableName: string; schema?: string; database?: string } {\n if (InstanceChecker.isEntityMetadata(target)) {\n return {\n tableName: target.tableName,\n }\n }\n\n if (InstanceChecker.isTable(target) || InstanceChecker.isView(target)) {\n return {\n tableName: target.name,\n }\n }\n\n if (InstanceChecker.isTableForeignKey(target)) {\n return {\n tableName: target.referencedTableName,\n }\n }\n\n return {\n tableName: target,\n }\n }\n\n /**\n * Prepares given value to a value to be persisted, based on its column type and metadata.\n */\n preparePersistentValue(value: any, columnMetadata: ColumnMetadata): any {\n if (columnMetadata.transformer)\n value = ApplyValueTransformers.transformTo(\n columnMetadata.transformer,\n value,\n )\n return value\n }\n\n /**\n * Prepares given value to a value to be persisted, based on its column type or metadata.\n */\n prepareHydratedValue(value: any, columnMetadata: ColumnMetadata): any {\n if (columnMetadata.transformer)\n value = ApplyValueTransformers.transformFrom(\n columnMetadata.transformer,\n value,\n )\n return value\n }\n\n /**\n * Creates a database type from a given column metadata.\n */\n normalizeType(column: {\n type?: ColumnType\n length?: number | string\n precision?: number | null\n scale?: number\n }): string {\n throw new TypeORMError(\n `MongoDB is schema-less, not supported by this driver.`,\n )\n }\n\n /**\n * Normalizes \"default\" value of the column.\n */\n normalizeDefault(columnMetadata: ColumnMetadata): string | undefined {\n throw new TypeORMError(\n `MongoDB is schema-less, not supported by this driver.`,\n )\n }\n\n /**\n * Normalizes \"isUnique\" value of the column.\n */\n normalizeIsUnique(column: ColumnMetadata): boolean {\n throw new TypeORMError(\n `MongoDB is schema-less, not supported by this driver.`,\n )\n }\n\n /**\n * Calculates column length taking into account the default length values.\n */\n getColumnLength(column: ColumnMetadata): string {\n throw new TypeORMError(\n `MongoDB is schema-less, not supported by this driver.`,\n )\n }\n\n /**\n * Normalizes \"default\" value of the column.\n */\n createFullType(column: TableColumn): string {\n throw new TypeORMError(\n `MongoDB is schema-less, not supported by this driver.`,\n )\n }\n\n /**\n * Obtains a new database connection to a master server.\n * Used for replication.\n * If replication is not setup then returns default connection's database connection.\n */\n obtainMasterConnection(): Promise<any> {\n return Promise.resolve()\n }\n\n /**\n * Obtains a new database connection to a slave server.\n * Used for replication.\n * If replication is not setup then returns master (default) connection's database connection.\n */\n obtainSlaveConnection(): Promise<any> {\n return Promise.resolve()\n }\n\n /**\n * Creates generated map of values generated or returned by database after INSERT query.\n */\n createGeneratedMap(metadata: EntityMetadata, insertedId: any) {\n return metadata.objectIdColumn!.createValueMap(insertedId)\n }\n\n /**\n * Differentiate columns of this table and columns from the given column metadatas columns\n * and returns only changed.\n */\n findChangedColumns(\n tableColumns: TableColumn[],\n columnMetadatas: ColumnMetadata[],\n ): ColumnMetadata[] {\n throw new TypeORMError(\n `MongoDB is schema-less, not supported by this driver.`,\n )\n }\n\n /**\n * Returns true if driver supports RETURNING / OUTPUT statement.\n */\n isReturningSqlSupported(): boolean {\n return false\n }\n\n /**\n * Returns true if driver supports uuid values generation on its own.\n */\n isUUIDGenerationSupported(): boolean {\n return false\n }\n\n /**\n * Returns true if driver supports fulltext indices.\n */\n isFullTextColumnTypeSupported(): boolean {\n return false\n }\n\n /**\n * Creates an escaped parameter.\n */\n createParameter(parameterName: string, index: number): string {\n return \"\"\n }\n\n // -------------------------------------------------------------------------\n // Protected Methods\n // -------------------------------------------------------------------------\n\n /**\n * Validate driver options to make sure everything is correct and driver will be able to establish connection.\n */\n protected validateOptions(options: DataSourceOptions) {\n // todo: fix\n // if (!options.url) {\n // if (!options.database)\n // throw new DriverOptionNotSetError(\"database\");\n // }\n }\n\n /**\n * Loads all driver dependencies.\n */\n protected loadDependencies(): any {\n try {\n const mongodb = this.options.driver || PlatformTools.load(\"mongodb\")\n this.mongodb = mongodb\n } catch (e) {\n throw new DriverPackageNotInstalledError(\"MongoDB\", \"mongodb\")\n }\n }\n\n /**\n * Builds connection url that is passed to underlying driver to perform connection to the mongodb database.\n */\n protected buildConnectionUrl(options: { [key: string]: any }): string {\n const schemaUrlPart = options.type.toLowerCase()\n const credentialsUrlPart =\n options.username && options.password\n ? `${encodeURIComponent(options.username)}:${encodeURIComponent(\n options.password,\n )}@`\n : \"\"\n\n const portUrlPart =\n schemaUrlPart === \"mongodb+srv\" ? \"\" : `:${options.port || \"27017\"}`\n\n let connectionString: string\n if (options.replicaSet) {\n connectionString = `${schemaUrlPart}://${credentialsUrlPart}${\n options.hostReplicaSet ||\n options.host + portUrlPart ||\n \"127.0.0.1\" + portUrlPart\n }/${options.database || \"\"}?replicaSet=${options.replicaSet}${\n options.tls ? \"&tls=true\" : \"\"\n }`\n } else {\n connectionString = `${schemaUrlPart}://${credentialsUrlPart}${\n options.host || \"127.0.0.1\"\n }${portUrlPart}/${options.database || \"\"}${\n options.tls ? \"?tls=true\" : \"\"\n }`\n }\n\n return connectionString\n }\n\n /**\n * Build connection options from MongoConnectionOptions\n */\n protected buildConnectionOptions(options: { [key: string]: any }): any {\n const mongoOptions: any = {}\n\n for (let index = 0; index < this.validOptionNames.length; index++) {\n const optionName = this.validOptionNames[index]\n\n if (options.extra && optionName in options.extra) {\n mongoOptions[optionName] = options.extra[optionName]\n } else if (optionName in options) {\n mongoOptions[optionName] = options[optionName]\n }\n }\n\n return mongoOptions\n }\n}\n"],"sourceRoot":"../.."}