Plupload direct s3

plupload_direct.js

// Esto lo he probado con Plupload v. 2.1.1
// deben cambiar la forma en que se hacen los binding de eventos de plupload, seguir el ejemplo:
//http://www.plupload.com/examples/core

// Esto debe ir en el html para poder acceder a los helpers de rails
App.pluploadConfig = {
  url: "https://neufert-tmp-cdn.archdaily.net.s3.amazonaws.com/",
  /* try replacing file_name_name: false by send_file_name: false
   if dont work then modify plupload with:
    ...
      line 1444 after: args.name = file.target_name || file.name;
      	if (up.settings.file_name_name == false) {
          delete args['name']
        }
      line 1600
    	// Default settings
    	settings = {
    		runtimes: o.Runtime.order,
    		max_retries: 0,
    		chunk_size: 0,
    		multipart: true,
    		multi_selection: true,
    		file_data_name: 'file',
    		file_name_name : 'name',
    		flash_swf_url: 'js/Moxie.swf',
    		silverlight_xap_url: 'js/Moxie.xap',
    		filters: {
    			mime_types: [],
    			prevent_duplicates: false,
    			max_file_size: 0
    		},
    		resize: {
    			enabled: false,
    			preserve_headers: true,
    			crop: false
    		},
    		send_chunk_number: true // whether to send chunks and chunk numbers, or total and offset bytes
    	};
  */
  file_name_name: false,
  multipart: true,
  multipart_params: {
    "filename": "#{uploader.key}", // adding this to keep consistency across the runtimes
    utf8: true,

    'AWSAccessKeyId': "#{uploader.aws_access_key_id}",
    'acl': "#{uploader.acl}",
    policy: "#{policy}",
    signature: "#{signature}",

    "key": "#{uploader.key}"
  }
}

/*
 add this line to your plupload config method
 uploaderOptions: =>
  ...
  defaultOptions = _.extend(App.pluploadConfig, defaultOptions)
  return defaultOptions
*/

/* modificar el evento FileUploaded para obtener la url temporal

 FileUploaded: (up, file, info)->
   image_url = "#{(App.pluploadConfig.url + App.pluploadConfig.multipart_params.filename).replace(/\$\{filename\}/, file.name)}"
   url = this_view.$pickfilesContainer.data('url')
   
   $.ajax({
     url: url,
     dataType: 'json'
     data: {file: image_url},
     type: 'POST',
     success: function(data, status, xhr){
             hacer lo que se hacia antes en el FileUploaded, añadir nuevo item a la collection
     }
   })
   
*/
/* Adding gem carrierwave_direct
 and adding include CarrierWaveDirect::Uploader in the uploader
 and add this helpers https://gist.github.com/lporras/3696fdaa837c429fb99a*/