One action in Rails controller sends no data back

One action in Rails controller sends no data back

By : Terry Leeper
Date : November 22 2020, 10:38 AM
I wish this help you Looks like you're bumping into the default response for action_controller / responder.rb
code :
# File actionpack/lib/action_controller/metal/responder.rb, line 203
def api_behavior(error)
  raise error unless resourceful?
  raise MissingRenderer.new(format) unless has_renderer?

  if get?
    display resource
  elsif post?
    display resource, :status => :created, :location => api_location
    head :no_content

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Add default, fall-back action for controller in rails

Add default, fall-back action for controller in rails

By : lisp lisp
Date : March 29 2020, 07:55 AM
To fix this issue I have a controller with a single index action. The same resource has some static assets which don't require anything in the controller. There used to be some others which are now gone but there are lingering links here and there on the web.
code :
class MyConstraint
  BYPASSED_ROUTES = ['anything']

  def matches?(request)
    BYPASSED_ROUTES.map {|r| request.path.include?(r)}.empty?

MyApp::Application.routes.draw do
  # Insert other routes before the catch-all one
  match "/resource/*path" => "resource#index", :constraints => MyConstraint.new
How to redirect from one action of controller A to an action of controller B and back in Rails?

How to redirect from one action of controller A to an action of controller B and back in Rails?

By : jc50
Date : March 29 2020, 07:55 AM
This might help you One option I see is to save employee data in session (session[:temp_employee] = params[:employee]), then redirect to creating the company. In the company controller, after the company is saved you could check if employee is present in the session then redirect client back to create action of the employees controller.
This would additionally require you to:
Unable to send back data to action in MVC controller from javascript

Unable to send back data to action in MVC controller from javascript

By : Cairis
Date : March 29 2020, 07:55 AM
it should still fix some issue I use jquery to load rows into a table. Each row contains an Id.
code :
Used ajax to send data(id) to the action, but the action ended up returning the html of     
the new view as the response instead of redirecting
function myfunction()
  var formId = $(evt.currentTarget).data("formId");

  // window.location = "ActionNameHere?formId" + formId;
 // foryour Case

public ActionResult Test(string formId)
    ViewBag.Title = "Testing Page ";
    ViewBag.Message = "Testing Page" + formId + "hi";            
    return View();
in ember, how do I unit test controller action that sends another action?

in ember, how do I unit test controller action that sends another action?

By : Chien Nguyen
Date : March 29 2020, 07:55 AM
I wish this helpful for you Specify target of your subject (controller) and let your target have actionName declared in actions object:
code :
import { moduleFor, test } from 'ember-qunit';


test('it fires an action', function(assert) {
  let controller = this.subject();

  controller.set('target', Ember.Controller.extend({
    actions: {
        actionName: () => assert.ok(true, 'Action bubbled!')

How to make ajax call that sends data to rails controller and returns data?

How to make ajax call that sends data to rails controller and returns data?

By : abardin85
Date : March 29 2020, 07:55 AM
it fixes the issue I'm making a Rails app that uses Leaflet. I have some pipes on my map and I want this functionality: when I click on the map, I get, as a response, how many pipes are within the distance of 50 miles. Now, in order to get this information, I need ST_Distance method from postgis, used on Pipe class (in the pipes_controller). Leaflet can get me the coordinates of the click, I need to send these to the controller, get it to calculate the number of pipes within 50 miles and return that number so it can be shown through javascript. I don't know how to get ajax to do this in one request, as a post/get method. , This worked:
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