fetch image with multiple faces and return cropped faces array;

crop-all-faces.js

/**
1> Create a webtask.
2> Add NPM Module for Cloudinary
3> Add secrets for your cloud, api_key and api_secret
*/

var cloudinary = require("cloudinary");
var namor = require('namor');


function uploadImage(context,cb){
  
  var url = context.query.url  || "http://res.cloudinary.com/de-demo/image/upload/v1524355278/emerge-hackathon-faces.jpg";
  var public_id =  namor.generate({ words: 2, numbers: 0 });
  var options = {faces:true,  public_id: public_id};
  

  
  cloudinary.v2.uploader.upload(url, options, function(error,result){
        if(error){
          console.log(error);
          cb(error);
        }
        
        if(result){
          
          
          var faces = result.faces;
          var urls = [];
          var cnt = 0;
          faces.forEach(function(item){
              var name = result.public_id;
              var x = item[0];
              var y = item[1];
              var width = item[2];
              var height = item[3];
          
              var template = `https://res.cloudinary.com/de-demo/image/upload/x_${x},y_${y},w_${width},h_${height},c_crop/w_200/${name}`;
               urls.push(template);
               cnt++
            if(cnt === faces.length){
               cb(null,urls);
            }
           
          }); 
        }
    
  })

   
}



module.exports = function(context, cb) {
   cloudinary.config({
      "cloud_name": context.secrets.cloud_name,
      "api_key":  context.secrets.api_key,
      "api_secret": context.secrets.api_secret
    });
 
     uploadImage(context,cb)
 
};