Question 115413 in Mongodb Question posted in
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Mongodb – How to pass database data as props in getServerSideProps in NextJS

I want to pass the user data I fetched from a MongoDB database using the user id to the props in the return section. how can I send the data docs in the callback function to the props correctly?

Thanks for your response.

export const getServerSideProps = async (userid) => {
  await connectMongo();
  console.log("db connected on profile page");

  User.findOne({ id: userid }, function (err, docs) {
    if (err) {
      console.log(err);
    } else {
      console.log(docs.email);
    }
  });
  return {
    props: {

    },
  };

};
Tags:

2

Answers


  1. 0

    you can create a new variable to solve the problem

    let userData = {};
User.findOne({ id: userid }, function (err, docs) {
  if (err) {
    console.log(err);
  } else {
    console.log(docs.email);
    userData = docs
  }
});

return {
  props: {
    user: userData
  }
};

    there is another solution by using async. the code be like:

    const userData = async User.findOne({ id: userid });

return {
  props: {
    user: userData
  }
};
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  2. 0

    I have used MongoDB in the frontend as well, I have added a snippet to give a full example. However simply put you’ll need to store the result of the DB find request in a variable and if you’re just searching with a findOne() or looking for one result I suggest storing the result of the find in a variable and sending it directly to the page as a prop.

    However you will need to call JSON.parse(JSON.stringify(results)) if you have multiple results from a db.collection("submissions").find() request.

    Client Side /page/…

    export async function getServerSideProps({req}) {
  let env = process.env.NODE_ENV === "development" ? "-dev" : "";

  const client = await clientPromise;
  const db = client.db('FormSubmissions' + env);
  const forwarded = req.headers['x-forwarded-for'];

  const ipAddress = typeof forwarded === 'string' ? forwarded.split(/, /)[0] : req.socket.remoteAddress;

  let _submissionsByIP = await db.collection("submissions").find({
    ipAddress: ipAddress,
  })

  let submissionsByIP = await _submissionsByIP.toArray();
  console.log('submissionsByIP',submissionsByIP);

  return {
    props: {
      submissionsByIP: JSON.parse(JSON.stringify(submissionsByIP)),
    },
  };
}

function Support_Sales({submissionsByIP}) {
...
}

    clientPromise

    import { MongoClient } from 'mongodb'

const uri = process.env.MONGODB_URI
const options = {
  useUnifiedTopology: true,
  useNewUrlParser: true,
}

let client
let clientPromise

if (!process.env.MONGODB_URI) {
  throw new Error('Invalid/Missing environment variable: "MONGODB_URI" - Add Mongo URI to .env.local')
}

if (process.env.NODE_ENV === 'development') {
  if (!global._mongoClientPromise) {
    client = new MongoClient(uri, options)
    global._mongoClientPromise = client.connect()
  }
  clientPromise = global._mongoClientPromise
} else {
  client = new MongoClient(uri, options)
  clientPromise = client.connect()
}

export default clientPromise
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