Ruby on Rails: How do detect if access by JSON?

Question

I got a GET URL that calls a controller method getInfo. It can be called by mydomain.com/getInfo.json?params=BLAHBLAH or mydomain.com/getInfo?params=BLAHBLAH

In the cont

Answer 1

A list of ways to check for json

request.format == 'json'
request.format == :json
request.format.json?
request.path.match('json')
request.url.match('json')
respond_to do |format|
  format.json { render json: [] }
end

You can also check if request was an ajax request

request.xhr?