how to save multiple data with object params request, at once in sails js

Question

Currently, I'm developing an API with sails js + mongoDB for an mobile app. I want to save multiple data that send from mobile app and I catch it via req parameters (as object) in my controller's function.

Some parts of my controller code look like this :

var contactData = req.allParams().Contact;
looping.. {
    Contact.create(contactData[index]).exec(function addContact(err,createdContact){  });
}

Could you tell me how the best way to implement looping for save that multiple contact data to the database?

Regards, argi danu.

Are you seriously thinking of sending the data through request parameters. I would suggesting sending it as POST data. — SiddAjmera
– SiddAjmera, Commented Apr 8, 2016 at 11:24
Yes, i'm serious.. :D req.allParams() is returns the value of all parameters sent in the request, include the request body. My Contact Data is sent through the request body (POST) from the mobile app, not from the url path or query string (GET). My question is, how the best way to implement looping process (asynchronous) in that Contact data (Object), for save that into database? — argi_danu
– argi_danu, Commented Apr 11, 2016 at 6:04

Parth Vyas · Accepted Answer · 2016-04-09 12:44:06Z

1

Okay, So if you are aware of the 'name' attributes for the request parameters, then you can simply use the create method as -

var contactData = req.allParams();
var name = contactData.name // attribute name
var number = contactData.number // attribute name

And after that simply call the create method

Contact.create({name : name, number :number}).exec(functionaddContact(err,createdContact){ 

    // DO Something
});

But if you strictly want to use for loops to get all the data from request parameters, then Consider the following scenario -

Convert the combination of req parameters into a JSON object by appending the contactData into [ ] as

   var json = '[' + contactData +']';

and then using the following code get the parameter values from the created JSON object as follows

 for (var property in obj) {

   if (obj.hasOwnProperty(property)) {

       if(typeof obj[property] === 'string') {

         console.log(property);  // provides the property name
         console.log(obj[property]); // provides the value of the property
     }
  }

May be this helps. It worked with SQL databases

answered Apr 9, 2016 at 12:44

Parth Vyas

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3 Comments

argi_danu Over a year ago

So I have to use a for loop and call the create function, in the loop process? my Contact Data in req params, should look like this : { "Contact" : [{ "fullname" : "fullname_for_first_data", "phone" : "phone_for_first_data" }, { "fullname" : "fullname_for_second_data", "phone" : "phone_for_second_data" }, ... and so on until the last data (multiple data) ] } My question is, how the best way to implement looping process (asynchronous) in that Contact Object, for save that into database?

Parth Vyas Over a year ago

Okay, then [Async] (github.com/caolan/async) would be the thing for you. I consider that you are getting the req data in form -

var contact =  [{ "fullname" : "fullname_for_first_data", "phone" : "phone_for_first_data" }, { "fullname" : "fullname_for_second_data", "phone" : "phone_for_second_data" }]

And then use the forEachOf() method of the async module

async.forEachOf(obj, function (value, key, callback) {           // call the insert method in here for taking the value parameter         callback();     });

argi_danu Over a year ago

Okay. You got my point, parth. Thanks for your answer. Now, I use async.map() for find and save that contact data.

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