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Contents
require "uri"
module Devise
module Controllers
# Provide the ability to store a location.
# Used to redirect back to a desired path after sign in.
# Included by default in all controllers.
module StoreLocation
# Returns and delete (if it's navigational format) the url stored in the session for
# the given scope. Useful for giving redirect backs after sign up:
#
# Example:
#
# redirect_to stored_location_for(:user) || root_path
#
def stored_location_for(resource_or_scope)
session_key = stored_location_key_for(resource_or_scope)
if is_navigational_format?
session.delete(session_key)
else
session[session_key]
end
end
# Stores the provided location to redirect the user after signing in.
# Useful in combination with the `stored_location_for` helper.
#
# Example:
#
# store_location_for(:user, dashboard_path)
# redirect_to user_omniauth_authorize_path(:facebook)
#
def store_location_for(resource_or_scope, location)
session_key = stored_location_key_for(resource_or_scope)
uri = parse_uri(location)
if uri
path = [uri.path.sub(/\A\/+/, '/'), uri.query].compact.join('?')
path = [path, uri.fragment].compact.join('#')
session[session_key] = path
end
end
private
def parse_uri(location)
location && URI.parse(location)
rescue URI::InvalidURIError
nil
end
def stored_location_key_for(resource_or_scope)
scope = Devise::Mapping.find_scope!(resource_or_scope)
"#{scope}_return_to"
end
end
end
end
Version data entries
22 entries across 22 versions & 4 rubygems