ActionController is the main controller class in Ruby on Rails.
ActionController is the main controller class in Ruby on Rails.
Questions tagged [actioncontroller]
424 questions
3
votes
3 answers
Rails: Passing local variables from Controller to View
I was trying to pass a local variable from controller to a view:
# pages_controller.rb
def my_method
render template: "pages/new_page", message: @message
end
# new_page.html.erb
<% if message %>
Do something
<% else %>
Do something else
<%…
Rajkaran Mishra
- 4,532
- 2
- 36
- 61
3
votes
2 answers
Where to put OAuth logic?
I'm using Zend Framework in a project, and I'm creating a controller only for authentication.
In this project we'll accept that a user signs up through a account of other sites like facebook, twitter, myspace, etc.. For this we will be using OAuth.…
jonathancardoso
- 11,737
- 7
- 53
- 72
3
votes
1 answer
Rails - Nested Objects Deletion
I want to delete the nested object book, that is owned by a user. In the user#show page appears all the books related to that user. Besides each book there is a link to delete it. Here is my code:
routes.rb:
resources :users do
resources :books,…
Samth
- 113
- 1
- 1
- 5
3
votes
1 answer
Why ActionController::Metal leaks memory?
I have a following class:
class Myclass < ActionController::Metal
def myaction
huge_object.do_something
# etc.
end
private
def huge_object
@obj ||= begin
# allocate and initialize a ~10MB object
end
end
end
What I…
Roman
- 13,100
- 2
- 47
- 63
3
votes
3 answers
ActionController::ParameterMissing: param is missing or the value is empty:
so i know that there´s a lot of questions like that, but none had answered my questions and solved my problem. So, I am with this problem for about a week and I can´t solve it! I am really new to ruby on rails, but i´ve tried tried everything. I…
Gustavo Pires
- 31
- 1
- 5
3
votes
1 answer
Working with and Testing Rails ActionController's respond_with
Apologies in advance for the verbosity of this question. If you bear with me I think you'll find it's actually quite simple...just hard for me to explain given my limited Rails domain knowledge.
Given this comment in an ActionController commit…
Meltemi
- 37,979
- 50
- 195
- 293
3
votes
1 answer
Rails controller manually sanitize parameters
Suppose my views need to pass some params that are absolutely not related to a model. What are the best ways to sanitize the input in the controller ?
Eg
- Validate inclusion of a parameter in a string array : display_type param that sets whether…
Cyril Duchon-Doris
- 12,964
- 9
- 77
- 164
3
votes
1 answer
How to check if there is any file field in rails request parameters
I am making a logging system which keeps track of all the request the web server is getting. How do I check if any of the requests contain any file i.e. any file upload action?
Rajesh Paul
- 6,793
- 6
- 40
- 57
3
votes
1 answer
Adding a parameter programatically for Rails 5.1 and newer
I have a couple of before_actions in my project that will set/merge some additional parameters before calling REST actions. This lets me override some basic gems methods with minimal customization.
However, I have been getting this deprecation…
Augusto Samamé Barrientos
- 1,314
- 14
- 36
3
votes
1 answer
SqlSessionStore in Rails 3
I am migrating an existing application from Rails 2 to Rails 3. In the old environment file, SqlSessionStore was set up with:
ActionController::CgiRequest::DEFAULT_SESSION_OPTIONS.update(:database_manager =>…
jrdioko
- 32,230
- 28
- 81
- 120
3
votes
2 answers
How to determine which view to render in a controller action
Okay, I have a few different of ideas of how I would achieve this, but thought I would ask here in case someone has a better solution.
I have a SessionsController that has a login view and a widget_login view. I was wondering how to go about…
John Dyer
- 1,221
- 1
- 9
- 13
3
votes
4 answers
Merge ActionController::Parameters with rails 5
In rails 4, I can merge! StrongParams, but since rails 5 (beta1) merge! is not available. Which is the best way to do that in a controller
params = ActionController::Parameters.new({
name: 'Francesco',
age: 22,
…
Olivier
- 493
- 2
- 6
- 16
3
votes
1 answer
Why does render and redirect not stop execution in a Rails app?
I have a use case question. In Rails 4.1 if you run a controller method and have redirect_to or render at some point in your method you are still allowed to continue execution at that point. Sometimes this results in a…
nobody
- 7,803
- 11
- 56
- 91
3
votes
1 answer
Default serializer render options in Rails controller
I am using Active Model Serializers in a rails project and have a user object that needs to be passed in from the controller to the serializer like this:
# Note the 'user:' option that will be accessible inside
# the serializer with…
Rick
- 8,366
- 8
- 47
- 76
3
votes
2 answers
How to render js template from module included in controller?
I have an action in a controller concern, which gets included in a controller. This action does not render a js.erb file as specified under a respond_to block. How do I properly get an action in a controller concern to successfully render a js.erb…
ahnbizcad
- 10,491
- 9
- 59
- 85