Flowdock

These methods are available in both the production and test Request objects.

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July 30, 2008
6 thanks

Different Method for Subdomains

@james

You can also access the subdomain via the subdomains array.

request.subdomains.first
July 23, 2008 - (v1.0.0 - v2.1.0)
2 thanks

subdomains from request

Useful for discovering what domain/subdomain(s) the current request came from (Rails application may operate differently depending on which subdomain is passed in, this is a great way to segment functionality using the route).

request.host.split('.')

Doesn’t get much simpler than that :).

Likewise if you want to see only the subdomain component(s). Given a domain, example.com

request.host.gsub('example.com', '').split('.')