78 lines
2.0 KiB
JavaScript
78 lines
2.0 KiB
JavaScript
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import MongoCollection from './MongoCollection';
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import MongoSchemaCollection from './MongoSchemaCollection';
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let mongodb = require('mongodb');
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let MongoClient = mongodb.MongoClient;
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const MongoSchemaCollectionName = '_SCHEMA';
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export class MongoStorageAdapter {
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// Private
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_uri: string;
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// Public
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connectionPromise;
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database;
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constructor(uri: string) {
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this._uri = uri;
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}
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connect() {
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if (this.connectionPromise) {
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return this.connectionPromise;
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}
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this.connectionPromise = MongoClient.connect(this._uri).then(database => {
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this.database = database;
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});
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return this.connectionPromise;
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}
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collection(name: string) {
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return this.connect().then(() => {
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return this.database.collection(name);
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});
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}
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adaptiveCollection(name: string) {
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return this.connect()
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.then(() => this.database.collection(name))
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.then(rawCollection => new MongoCollection(rawCollection));
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}
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schemaCollection(collectionPrefix: string) {
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return this.connect()
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.then(() => this.adaptiveCollection(collectionPrefix + MongoSchemaCollectionName))
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.then(collection => new MongoSchemaCollection(collection));
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}
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collectionExists(name: string) {
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return this.connect().then(() => {
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return this.database.listCollections({ name: name }).toArray();
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}).then(collections => {
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return collections.length > 0;
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});
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}
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dropCollection(name: string) {
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return this.collection(name).then(collection => collection.drop());
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}
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// Used for testing only right now.
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collectionsContaining(match: string) {
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return this.connect().then(() => {
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return this.database.collections();
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}).then(collections => {
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return collections.filter(collection => {
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if (collection.namespace.match(/\.system\./)) {
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return false;
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}
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return (collection.collectionName.indexOf(match) == 0);
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});
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});
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}
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}
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export default MongoStorageAdapter;
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module.exports = MongoStorageAdapter; // Required for tests
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