serverless-aws-lambda-node-mongo/handler.js at master · gonghaima/serverless-aws-lambda-node-mongo · GitHub

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'use strict';


require('dotenv').config({ path: './variables.env' });

const connectToDatabase = require('./db');
const Note = require('./notes.model.js');

module.exports.hello = (event, context, callback) => {
  console.log('Hello World');
  callback(null, 'Hello World');
};

module.exports.create = (event, context, callback) => {
  context.callbackWaitsForEmptyEventLoop = false;

  connectToDatabase().then(() => {
    Note.create(JSON.parse(event.body))
      .then(note =>
        callback(null, {
          statusCode: 200,
          body: JSON.stringify(note)
        })
      )
      .catch(err =>
        callback(null, {
          statusCode: err.statusCode || 500,
          headers: { 'Content-Type': 'text/plain' },
          body: 'Could not create the note.'
        })
      );
  });
};

module.exports.getOne = (event, context, callback) => {
  context.callbackWaitsForEmptyEventLoop = false;

  connectToDatabase().then(() => {
    Note.findById(event.pathParameters.id)
      .then(note =>
        callback(null, {
          statusCode: 200,
          body: JSON.stringify(note)
        })
      )
      .catch(err =>
        callback(null, {
          statusCode: err.statusCode || 500,
          headers: { 'Content-Type': 'text/plain' },
          body: 'Could not fetch the note.'
        })
      );
  });
};

module.exports.getAll = (event, context, callback) => {
  context.callbackWaitsForEmptyEventLoop = false;

  connectToDatabase().then(() => {
    Note.find()
      .then(notes =>
        callback(null, {
          statusCode: 200,
          body: JSON.stringify(notes)
        })
      )
      .catch(err =>
        callback(null, {
          statusCode: err.statusCode || 500,
          headers: { 'Content-Type': 'text/plain' },
          body: 'Could not fetch the notes.'
        })
      );
  });
};

module.exports.update = (event, context, callback) => {
  context.callbackWaitsForEmptyEventLoop = false;

  connectToDatabase().then(() => {
    Note.findByIdAndUpdate(event.pathParameters.id, JSON.parse(event.body), {
      new: true
    })
      .then(note =>
        callback(null, {
          statusCode: 200,
          body: JSON.stringify(note)
        })
      )
      .catch(err =>
        callback(null, {
          statusCode: err.statusCode || 500,
          headers: { 'Content-Type': 'text/plain' },
          body: 'Could not fetch the notes.'
        })
      );
  });
};

module.exports.delete = (event, context, callback) => {
  context.callbackWaitsForEmptyEventLoop = false;

  connectToDatabase().then(() => {
    Note.findByIdAndRemove(event.pathParameters.id)
      .then(note =>
        callback(null, {
          statusCode: 200,
          body: JSON.stringify({
            message: 'Removed note with id: ' + note._id,
            note: note
          })
        })
      )
      .catch(err =>
        callback(null, {
          statusCode: err.statusCode || 500,
          headers: { 'Content-Type': 'text/plain' },
          body: 'Could not fetch the notes.'
        })
      );
  });
};