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I'm fairly new to Rails and am writing a login form. I have used form_tag to pass through the user's submission to the account controller. Now, I don't want the user to be able to enter their login details through a GET request, so how can I check that a certain param is either a GET or POST parameter?
Thanks in advance
338
params[:id] is meant to be the string that uniquely identifies a (RESTful) resource within your Rails application. It is found in the URL after the resource's name.
Specifically, params refers to the parameters being passed to the controller via a GET or POST request. In a GET request, params get passed to the controller from the URL in the user's browser.
When writing controllers in Ruby on rails, using before_action (used to be called before_filter in earlier versions) is your bread-and-butter for structuring your business logic in a useful way. It's what you want to use to "prepare" the data necessary before the action executes.
In Rails you don't have specific POST or GET parameters. You do have a POST or GET request. You can check it like this in your controller:
request.post?
or you can check for other HTTP verbs: GET, PUT and DELETE:
request.get?
request.put?
request.delete?
For more info, check this piece of the documentation: http://railsapi.com/doc/rails-v2.3.8/classes/ActionController/Request.html
185
If what you need is to know the HTTP verb you can ask directly to request:
request.request_method
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