Store collection prefix in mongo adapter, and clean up adapter interface

Author: drew-gross

spec/DatabaseAdapter.spec.js

@@ -8,15 +8,15 @@ describe('DatabaseAdapter', () => {
     DatabaseAdapter.setAppDatabaseOptions('optionsTest', {foo: "bar"});
     let optionsTestDatabaseConnection = DatabaseAdapter.getDatabaseConnection('optionsTest');
 
-    expect(optionsTestDatabaseConnection instanceof Object).toBe(true);
-    expect(optionsTestDatabaseConnection.adapter._options instanceof Object).toBe(true);
-    expect(optionsTestDatabaseConnection.adapter._options.foo).toBe("bar");
+    expect(optionsTestDatabaseConnection).toEqual(jasmine.any(Object));
+    expect(optionsTestDatabaseConnection.adapter._mongoOptions).toEqual(jasmine.any(Object));
+    expect(optionsTestDatabaseConnection.adapter._mongoOptions.foo).toBe("bar");
 
     DatabaseAdapter.setAppDatabaseURI('noOptionsTest', 'mongodb://localhost:27017/noOptionsTest');
     let noOptionsTestDatabaseConnection = DatabaseAdapter.getDatabaseConnection('noOptionsTest');
 
-    expect(noOptionsTestDatabaseConnection instanceof Object).toBe(true);
-    expect(noOptionsTestDatabaseConnection.adapter._options instanceof Object).toBe(false);
+    expect(noOptionsTestDatabaseConnection).toEqual(jasmine.any(Object));
+    expect(noOptionsTestDatabaseConnection.adapter._mongoOptions).toEqual(jasmine.any(Object));
 
     done();
   });

spec/DatabaseController.spec.js

@@ -5,9 +5,11 @@ let MongoStorageAdapter = require('../src/Adapters/Storage/Mongo/MongoStorageAda
 
 describe('DatabaseController', () => {
   it('can be constructed', done => {
-    let adapter = new MongoStorageAdapter('mongodb://localhost:27017/test');
+    let adapter = new MongoStorageAdapter({
+      uri: 'mongodb://localhost:27017/test'
+    });
     let databaseController = new DatabaseController(adapter, {
-		collectionPrefix: 'test_'
+		  collectionPrefix: 'test_'
     });
     databaseController.connect().then(done, error => {
       console.log('error', error.stack);

spec/MongoStorageAdapter.spec.js

@@ -6,8 +6,9 @@ const MongoClient = require('mongodb').MongoClient;
 describe('MongoStorageAdapter', () => {
   it('auto-escapes symbols in auth information', () => {
     spyOn(MongoClient, 'connect').and.returnValue(Promise.resolve(null));
-    new MongoStorageAdapter('mongodb://user!with@+ symbols:password!with@+ symbols@localhost:1234/parse', {})
-      .connect();
+    new MongoStorageAdapter({
+      uri: 'mongodb://user!with@+ symbols:password!with@+ symbols@localhost:1234/parse'
+    }).connect();
     expect(MongoClient.connect).toHaveBeenCalledWith(
       'mongodb://user!with%40%2B%20symbols:password!with%40%2B%20symbols@localhost:1234/parse',
       jasmine.any(Object)
@@ -16,8 +17,9 @@ describe('MongoStorageAdapter', () => {
 
   it("doesn't double escape already URI-encoded information", () => {
     spyOn(MongoClient, 'connect').and.returnValue(Promise.resolve(null));
-    new MongoStorageAdapter('mongodb://user!with%40%2B%20symbols:password!with%40%2B%20symbols@localhost:1234/parse', {})
-      .connect();
+    new MongoStorageAdapter({
+      uri: 'mongodb://user!with%40%2B%20symbols:password!with%40%2B%20symbols@localhost:1234/parse'
+    }).connect();
     expect(MongoClient.connect).toHaveBeenCalledWith(
       'mongodb://user!with%40%2B%20symbols:password!with%40%2B%20symbols@localhost:1234/parse',
       jasmine.any(Object)
@@ -27,8 +29,9 @@ describe('MongoStorageAdapter', () => {
   // https://github.com/ParsePlatform/parse-server/pull/148#issuecomment-180407057
   it('preserves replica sets', () => {
     spyOn(MongoClient, 'connect').and.returnValue(Promise.resolve(null));
-    new MongoStorageAdapter('mongodb://test:[email protected]:59325,ds059315-a1.mongolab.com:59315/testDBname?replicaSet=rs-ds059415', {})
-      .connect();
+    new MongoStorageAdapter({
+      uri: 'mongodb://test:[email protected]:59325,ds059315-a1.mongolab.com:59315/testDBname?replicaSet=rs-ds059415'
+    }).connect();
     expect(MongoClient.connect).toHaveBeenCalledWith(
       'mongodb://test:[email protected]:59325,ds059315-a1.mongolab.com:59315/testDBname?replicaSet=rs-ds059415',
       jasmine.any(Object)

src/Adapters/Storage/Mongo/MongoStorageAdapter.js

@@ -11,14 +11,20 @@ const MongoSchemaCollectionName = '_SCHEMA';
 export class MongoStorageAdapter {
   // Private
   _uri: string;
-  _options: Object;
+  _collectionPrefix: string;
+  _mongoOptions: Object;
   // Public
   connectionPromise;
   database;
 
-  constructor(uri: string, options: Object) {
+  constructor({
+    uri,
+    collectionPrefix = '',
+    mongoOptions = {},
+  }) {
     this._uri = uri;
-    this._options = options;
+    this._collectionPrefix = collectionPrefix;
+    this._mongoOptions = mongoOptions;
   }
 
   connect() {
@@ -30,7 +36,7 @@ export class MongoStorageAdapter {
     // encoded
     const encodedUri = formatUrl(parseUrl(this._uri));
 
-    this.connectionPromise = MongoClient.connect(encodedUri, this._options).then(database => {
+    this.connectionPromise = MongoClient.connect(encodedUri, this._mongoOptions).then(database => {
       this.database = database;
     });
     return this.connectionPromise;

src/DatabaseAdapter.js

@@ -15,21 +15,16 @@
 //
 // Default is MongoStorageAdapter.
 
-import DatabaseController from './Controllers/DatabaseController';
+import DatabaseController  from './Controllers/DatabaseController';
 import MongoStorageAdapter from './Adapters/Storage/Mongo/MongoStorageAdapter';
 
 const DefaultDatabaseURI = 'mongodb://localhost:27017/parse';
 
-let adapter = MongoStorageAdapter;
 let dbConnections = {};
 let databaseURI = DefaultDatabaseURI;
 let appDatabaseURIs = {};
 let appDatabaseOptions = {};
 
-function setAdapter(databaseAdapter) {
-  adapter = databaseAdapter;
-}
-
 function setDatabaseURI(uri) {
   databaseURI = uri;
 }
@@ -68,17 +63,20 @@ function getDatabaseConnection(appId: string, collectionPrefix: string) {
 
   var dbURI = (appDatabaseURIs[appId] ? appDatabaseURIs[appId] : databaseURI);
 
-  let storageAdapter = new adapter(dbURI, appDatabaseOptions[appId]);
+  let storageAdapter = new MongoStorageAdapter({
+    uri: dbURI,
+    collectionPrefix: collectionPrefix,
+    mongoOptions: appDatabaseOptions[appId]
+  });
+
   dbConnections[appId] = new DatabaseController(storageAdapter, {
     collectionPrefix: collectionPrefix
   });
   return dbConnections[appId];
 }
 
 module.exports = {
-  dbConnections: dbConnections,
   getDatabaseConnection: getDatabaseConnection,
-  setAdapter: setAdapter,
   setDatabaseURI: setDatabaseURI,
   setAppDatabaseOptions: setAppDatabaseOptions,
   setAppDatabaseURI: setAppDatabaseURI,

src/ParseServer.js

@@ -84,7 +84,6 @@ class ParseServer {
     appId = requiredParameter('You must provide an appId!'),
     masterKey = requiredParameter('You must provide a masterKey!'),
     appName,
-    databaseAdapter,
     filesAdapter,
     push,
     loggerAdapter,
@@ -127,10 +126,6 @@ class ParseServer {
       })
     }
 
-    if (databaseAdapter) {
-      DatabaseAdapter.setAdapter(databaseAdapter);
-    }
-
     if (databaseOptions) {
       DatabaseAdapter.setAppDatabaseOptions(appId, databaseOptions);
     }