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47 lines
1.4 KiB
TypeScript
47 lines
1.4 KiB
TypeScript
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//
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// Copyright © 2021 Anticrm Platform Contributors.
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//
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// Licensed under the Eclipse Public License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License. You may
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// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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//
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import { MongoClient, MongoClientOptions } from 'mongodb'
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const connections = new Map<string, Promise<MongoClient>>()
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// Register mongo close on process exit.
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process.on('exit', () => {
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shutdown().catch((err) => console.error(err))
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})
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/**
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* @public
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*/
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export async function shutdown (): Promise<void> {
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for (const c of connections.values()) {
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await (await c).close()
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}
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connections.clear()
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}
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/**
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* Initialize a workspace connection to DB
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* @public
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*/
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export async function getMongoClient (uri: string, options?: MongoClientOptions): Promise<MongoClient> {
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let client = connections.get(uri)
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if (client === undefined) {
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client = MongoClient.connect(uri, { ...options })
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await client
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connections.set(uri, client)
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}
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return await client
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}
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