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Document when fallback_location is used [ci-skip]

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If you're not familiar with how the `Referer` header works, you likely
won't understand why you need to provide a fallback or under what
circumstances it would be used.

Hopefully this clarifies things a bit.
This commit is contained in:
Derek Prior 2015-12-17 20:57:42 -05:00
parent 7a6772c0e7
commit 91e3aa1942
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1 changed files with 8 additions and 2 deletions
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10
actionpack/lib/action_controller/metal/redirecting.rb
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@ -68,8 +68,14 @@ module ActionController
self.response_body = "<html><body>You are being <a href=\"#{ERB::Util.unwrapped_html_escape(location)}\">redirected</a>.</body></html>"
end
# Redirects the browser to the page that issued the request if possible,
# otherwise redirects to provided default fallback location.
# Redirects the browser to the page that issued the request (the referrer)
# if possible, otherwise redirects to the provided default fallback
# location.
#
# The referrer information is pulled from the HTTP `Referer` (sic) header on
# the request. This is an optional header and its presence on the request is
# subject to browser security settings and user preferences. If the request
# is missing this header, the <tt>fallback_location</tt> will be used.
#
# redirect_back fallback_location: { action: "show", id: 5 }
# redirect_back fallback_location: post