Incorporate JSON when adding a new row to the database using Ruby On Rails

Greetings, fellow developers! I am currently working on an application with a backend in Rails. My goal is to create a user from an AJAX request and have the server return a JSON object containing the newly saved user information.

Below is my Rails code snippet:

class UsersController < ApplicationController

   def new_user
      @u = User.new(params[:user])
      @u.save       
      respond_to do |format|
          format.json { render :json => @u }
      end
    end

end

Next, here is the Javascript code snippet:

$.post("http://0.0.0.0:3000/users/new_user.json", $("#registration-form").serialize(), function(data){});

Upon sending the request, the server responded as follows:

Started POST "/users/new_user.json" for 127.0.0.1 at 2013-06-14 10:17:22 -0500
Processing by UsersController#new_user as JSON
  Parameters: {"user"=>{"user"=>"test", "email"=>"example@example.com", "password"=>"[FILTERED]"}}
WARNING: Can't verify CSRF token authenticity
   (0.5ms)  BEGIN
  SQL (72.1ms)  INSERT INTO "users" ("created_at", "email", "password", "updated_at", "user") VALUES ($1, $2, $3, $4, $5) RETURNING "id"  [["created_at", Fri, 14 Jun 2013 15:17:22 UTC +00:00], ["email", "example@example.com"], ["password", "test"], ["updated_at", Fri, 14 Jun 2013 15:17:22 UTC +00:00], ["user", "test"]]
   (18.2ms)  COMMIT
Completed 200 OK in 395ms (Views: 1.1ms | ActiveRecord: 310.0ms)

Unfortunately, I did not receive the expected JSON object back from Rails. Any insights or additional information would be greatly appreciated. Thank you!

Answer №1

Just checking if you're solely focusing on the log file? Keep in mind that won't show the full response body.

Answer №2

After uploading my code to Heroku and compiling the app with PhoneGap, everything seems to be working smoothly. I suspect that the issue may have been related to cross-domain and cross-browser AJAX requests.

Answer №3

Make sure to include the line "respond_to :json"

Here is an example implementation:

class UsersController < ApplicationController
    respond_to :json

    def new_user
        @user = User.new(params[:user])
        @user.save       
        respond_to do |format|
            format.json { render :json => @user.as_json }
        end
    end

end

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