method
polymorphic_url
v5.0.0.1 -
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Class: ActionDispatch::Routing::PolymorphicRoutes
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- What's this?
polymorphic_url(record_or_hash_or_array, options = {})
public
Constructs a call to a named RESTful route for the given record and returns the resulting URL string. For example:
# calls post_url(post) polymorphic_url(post) # => "http://example.com/posts/1" polymorphic_url([blog, post]) # => "http://example.com/blogs/1/posts/1" polymorphic_url([:admin, blog, post]) # => "http://example.com/admin/blogs/1/posts/1" polymorphic_url([user, :blog, post]) # => "http://example.com/users/1/blog/posts/1" polymorphic_url(Comment) # => "http://example.com/comments"
Options
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:action - Specifies the action prefix for the named route: :new or :edit. Default is no prefix.
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:routing_type - Allowed values are :path or :url. Default is :url.
Also includes all the options from url_for. These include such things as :anchor or :trailing_slash. Example usage is given below:
polymorphic_url([blog, post], anchor: 'my_anchor') # => "http://example.com/blogs/1/posts/1#my_anchor" polymorphic_url([blog, post], anchor: 'my_anchor', script_name: "/my_app") # => "http://example.com/my_app/blogs/1/posts/1#my_anchor"
For all of these options, see the documentation for url_for.
Functionality
# an Article record polymorphic_url(record) # same as article_url(record) # a Comment record polymorphic_url(record) # same as comment_url(record) # it recognizes new records and maps to the collection record = Comment.new polymorphic_url(record) # same as comments_url() # the class of a record will also map to the collection polymorphic_url(Comment) # same as comments_url()