Ruby on Rails : How to retrieve POST and PATCH params only

Question

So I want to do some modifications to the data only if it is a POST or a PATCH request. In this question (Ruby on Rails 3: How to retrieve POST and GET params separatly?), there is a way to get POST and GET params, but I've searched, and there doesn't seem to be a way to get PATCH data only.

twonegatives · Accepted Answer · 2016-06-22T08:31:07.600

ActionDispatch::Request has a bunch of methods to check HTTP verb, those include: get?, post?, patch? and put?.

So the following should do the trick:

def some_action
  request.patch? # only patch requests
  # or
  request.request_method == :patch
  # and if you are intrested in both PATCH and POST... combine them!
  request.patch? || request.post?
end

Note that you might be intrested in restricting used HTTP verb at your routes definition. Defining your actions with a particular verb restricts requests which do not use the same verb from being processed:

# routes.rb
put '/orders/:id/refuse' => 'orders#refuse'
# so your refuse method accepts only PUT requests

score 1 · Answer 2 · answered Jun 22 '16 at 08:27

1

I believe this will do the trick:

# in some controller's method

if request.patch? || request.post?
  # do your work here
end

answered Jun 22 '16 at 08:27

retgoat

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So if i access the params object inside the if statement, it's guaranteed that it will only have data that is either from PATCH or POST and no GET for example ? – user2968505 Jun 22 '16 at 08:38
@user2968505 exatly. – retgoat Jun 22 '16 at 08:43

Ruby on Rails : How to retrieve POST and PATCH params only

2 Answers2