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Find Document by Id

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Published Jun 6, 2022
Script mongodb Verified
Use in Windmill

The script

Submitted by hugo989 Bun
Verified 6 days ago
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import { MongoClient, ObjectId } from "mongodb@6";
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type Mongodb = {
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  servers: { host: string; port: number }[];
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  credential: {
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    username: string;
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    password: string;
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    db: string;
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    mechanism?: string;
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  };
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  db: string;
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  tls: boolean;
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};
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/**
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 * Find document by id
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 * Fetch a single document by its `_id` (ObjectId hex string, or a raw string id).
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 */
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export async function main(
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  auth: Mongodb,
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  collection: string,
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  document_id: string,
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  projection?: Record<string, number>,
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  database?: string,
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) {
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  const _id = ObjectId.isValid(document_id)
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    ? new ObjectId(document_id)
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    : document_id;
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  const client = await mongoClient(auth);
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  try {
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    return await client
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      .db(database || auth.db)
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      .collection(collection)
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      .findOne({ _id }, projection ? { projection } : undefined);
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  } finally {
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    await client.close();
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  }
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}
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async function mongoClient(auth: Mongodb) {
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  const hosts = auth.servers.map((s) => `${s.host}:${s.port}`).join(",");
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  const options: any = { tls: auth.tls };
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  if (auth.credential?.username) {
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    options.auth = {
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      username: auth.credential.username,
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      password: auth.credential.password,
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    };
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    options.authSource = auth.credential.db;
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    if (auth.credential.mechanism) {
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      options.authMechanism = auth.credential.mechanism;
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    }
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  }
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  const client = new MongoClient(`mongodb://${hosts}`, options);
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  await client.connect();
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  return client;
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}
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Other submissions
  • Submitted by rossmccrann Deno
    Created 1422 days ago
    All edits
    Permalink
    1 
    import * as wmill from "https://deno.land/x/[email protected]/mod.ts";
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    import { Bson, MongoClient } from "https://deno.land/x/[email protected]/mod.ts";
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    /*
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    @param: {wmill.Resource} mongodb - Resource containing mongodb connection object
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    example:
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    await client.connect({
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      db: "<db_name>",
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      tls: true,
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      servers: [
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        {
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          host: "<db_cluster_url>",
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          port: 27017,
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        },
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      ],
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      credential: {
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        username: "<username>",
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        password: "<password>",
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        db: "<db_name>",
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        mechanism: "SCRAM-SHA-1",
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      },
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    });
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    */
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    export async function main(
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        mongodb_con: wmill.Resource<"mongodb">,
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        db_name: string,
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        collection_name: string,
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        objectId: string
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    ) {
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        const client = new MongoClient();
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        // Connecting to a Mongo Atlas Database
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        const resp = await client.connect(mongodb_con);
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        const db = client.database(db_name);
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        const collect = db.collection(collection_name);
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        const collect_single = await collect.findOne({ _id: objectId });
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        return (collect_single ? 'Document Found in MongoDB' : 'Document Not Found');
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    }
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  • Submitted by adam186 Deno
    Created 398 days ago
    All edits
    Permalink
    1 
    import { removeObjectEmptyFields } from "https://deno.land/x/[email protected]/mod.ts";
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    import {
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      MongoClient,
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      ObjectId,
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    } from "https://deno.land/x/[email protected]/mod.ts";
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    /**
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     * @param data_source For example: `Cluster0`
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     */
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    type MongodbRest = {
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      endpoint: string;
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      api_key: string;
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    };
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    export async function main(
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      auth: MongodbRest,
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      data_source: string,
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      database: string,
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      collection: string,
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      document_id: string,
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      projection?: Record<string, number>,
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    ) {
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      const client = new MongoClient({
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        endpoint: auth.endpoint,
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        dataSource: data_source,
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        auth: { apiKey: auth.api_key },
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      });
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      const db = client.database(database);
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      return await db
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        .collection(collection)
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        .findOne(
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          { _id: new ObjectId(document_id) },
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          removeObjectEmptyFields({ projection }),
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        );
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    }
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