przemo199 / replayer

import {Handler} from "@netlify/functions";

import {MongoClient} from "mongodb";

const uri = `mongodb+srv://${process.env.MONGODB_USER}:${process.env.MONGODB_PASSWORD}@cluster0.k6gbu.mongodb.net/test_database?retryWrites=true&w=majority`;

const dbName = "replayerDB";

const collectionName = "media";

const handler: Handler = async (event, context) => {

  if (event.httpMethod !== "POST") {

    return {statusCode: 405, body: "Method Not Allowed"};

  }

  if (!event.body) {

    return {statusCode: 400, body: "Bad Request"};

  }

  // @ts-ignore

  const client = new MongoClient(uri, {useNewUrlParser: true, useUnifiedTopology: true});

  await client.connect();

  const collection = client.db(dbName).collection(collectionName);

  const body = JSON.parse(event.body);

  const query = collection.find({name: new RegExp(`${body.query}`)})

    .sort({_id: -1}).skip(body.startIndex);

  let hasMore = true;

  if (await query.count() <= body.endIndex) hasMore = false;

  const documents = await query.limit(body.startIndex - body.endIndex).toArray();

  await client.close();

  return {

    statusCode: 200,

    body: JSON.stringify({documents: documents.length > 0 ? documents : null, hasMore})

  };

};

export {handler};