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-rw-r--r--actionpack/lib/action_dispatch/routing/polymorphic_routes.rb28
1 files changed, 25 insertions, 3 deletions
diff --git a/actionpack/lib/action_dispatch/routing/polymorphic_routes.rb b/actionpack/lib/action_dispatch/routing/polymorphic_routes.rb
index fb2118a8d7..02ba5236ee 100644
--- a/actionpack/lib/action_dispatch/routing/polymorphic_routes.rb
+++ b/actionpack/lib/action_dispatch/routing/polymorphic_routes.rb
@@ -42,6 +42,18 @@ module ActionDispatch
#
# edit_polymorphic_path(@post) # => "/posts/1/edit"
# polymorphic_path(@post, :format => :pdf) # => "/posts/1.pdf"
+ #
+ # == Using with mounted engines
+ #
+ # If you use mounted engine, there is a possibility that you will need to use
+ # polymorphic_url pointing at engine's routes. To do that, just pass proxy used
+ # to reach engine's routes as a first argument:
+ #
+ # For example:
+ #
+ # polymorphic_url([blog, @post]) # it will call blog.post_path(@post)
+ # form_for([blog, @post]) # => "/blog/posts/1
+ #
module PolymorphicRoutes
# Constructs a call to a named RESTful route for the given record and returns the
# resulting URL string. For example:
@@ -78,6 +90,9 @@ module ActionDispatch
def polymorphic_url(record_or_hash_or_array, options = {})
if record_or_hash_or_array.kind_of?(Array)
record_or_hash_or_array = record_or_hash_or_array.compact
+ if record_or_hash_or_array.first.is_a?(ActionDispatch::Routing::RoutesProxy)
+ proxy = record_or_hash_or_array.shift
+ end
record_or_hash_or_array = record_or_hash_or_array[0] if record_or_hash_or_array.size == 1
end
@@ -111,7 +126,14 @@ module ActionDispatch
args.last.kind_of?(Hash) ? args.last.merge!(url_options) : args << url_options
end
- send(named_route, *args)
+ if proxy
+ proxy.send(named_route, *args)
+ else
+ # we need to use url_for, because polymorphic_url can be used in context of other than
+ # current routes (e.g. engine's routes). As named routes from engine are not included
+ # calling engine's named route directly would fail.
+ url_for _routes.url_helpers.__send__("hash_for_#{named_route}", *args)
+ end
end
# Returns the path component of a URL for the given record. It uses
@@ -155,7 +177,7 @@ module ActionDispatch
if parent.is_a?(Symbol) || parent.is_a?(String)
parent
else
- ActiveModel::Naming.plural(parent).singularize
+ ActiveModel::Naming.route_key(parent).singularize
end
end
end
@@ -163,7 +185,7 @@ module ActionDispatch
if record.is_a?(Symbol) || record.is_a?(String)
route << record
else
- route << ActiveModel::Naming.plural(record)
+ route << ActiveModel::Naming.route_key(record)
route = [route.join("_").singularize] if inflection == :singular
route << "index" if ActiveModel::Naming.uncountable?(record) && inflection == :plural
end