Question

I have both task and request controllers and models respectively. The new action of request depends on a task :id which is included in the route. If the request cannot be save due to a validation error, I need to be able to render the new action of the request controller with the task :id. However, when the code below runs, I get a template is missing error.

How can I render the new template with the task :id as a param?

/task/1/request/new


  if !@request.save
     render :template => new_task_request_path(@blog)    # /task/1/request/new
  end

—–> Error: Template is missing –
Missing template blogs/1/requests/new

Answer 1

In your code, new_task_request_path(@blog) generates a relative URL.
When rendering a template you need to give it the path to the template, not the relative URL.

I can’t tell where your view template is going to be without more information, but try changing your code in the create action to the following:

@task = Task.find(params[:id])
@request = @task.requests.new(params[:request])

if !@request.save
  render 'new'
end

You can then access the Task ID using @task.id in your view.

This assumes that Task has many Requests, and that this action is in your RequestsController. If you’re using a different relationship you’ll need to update the controller action code as necessary. Similarly, if it’s a different controller you should update the template path to be something like 'requests/new'.