X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=vendor%2Frails%2Factionpack%2Flib%2Faction_controller%2Fpolymorphic_routes.rb;fp=vendor%2Frails%2Factionpack%2Flib%2Faction_controller%2Fpolymorphic_routes.rb;h=0000000000000000000000000000000000000000;hb=36d9f3351a3b4e8159279445190e2287ffdea86c;hp=d9b614c2375a7f0b4d84b8c1f634ab6ea27820f6;hpb=913cf6054b1d29b5d2f5e620304af7ee77cc1f1f;p=feedcatcher.git
diff --git a/vendor/rails/actionpack/lib/action_controller/polymorphic_routes.rb b/vendor/rails/actionpack/lib/action_controller/polymorphic_routes.rb
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--- a/vendor/rails/actionpack/lib/action_controller/polymorphic_routes.rb
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-module ActionController
- # Polymorphic URL helpers are methods for smart resolution to a named route call when
- # given an Active Record model instance. They are to be used in combination with
- # ActionController::Resources.
- #
- # These methods are useful when you want to generate correct URL or path to a RESTful
- # resource without having to know the exact type of the record in question.
- #
- # Nested resources and/or namespaces are also supported, as illustrated in the example:
- #
- # polymorphic_url([:admin, @article, @comment])
- #
- # results in:
- #
- # admin_article_comment_url(@article, @comment)
- #
- # == Usage within the framework
- #
- # Polymorphic URL helpers are used in a number of places throughout the Rails framework:
- #
- # * url_for, so you can use it with a record as the argument, e.g.
- # url_for(@article);
- # * ActionView::Helpers::FormHelper uses polymorphic_path, so you can write
- # form_for(@article) without having to specify :url parameter for the form
- # action;
- # * redirect_to (which, in fact, uses url_for) so you can write
- # redirect_to(post) in your controllers;
- # * ActionView::Helpers::AtomFeedHelper, so you don't have to explicitly specify URLs
- # for feed entries.
- #
- # == Prefixed polymorphic helpers
- #
- # In addition to polymorphic_url and polymorphic_path methods, a
- # number of prefixed helpers are available as a shorthand to :action => "..."
- # in options. Those are:
- #
- # * edit_polymorphic_url, edit_polymorphic_path
- # * new_polymorphic_url, new_polymorphic_path
- #
- # Example usage:
- #
- # edit_polymorphic_path(@post) # => "/posts/1/edit"
- # polymorphic_path(@post, :format => :pdf) # => "/posts/1.pdf"
- module PolymorphicRoutes
- # 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"
- #
- # ==== Options
- #
- # * :action - Specifies the action prefix for the named route:
- # :new or :edit. Default is no prefix.
- # * :routing_type - Allowed values are :path or :url.
- # Default is :url.
- #
- # ==== Examples
- #
- # # 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()
- #
- 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
- record_or_hash_or_array = record_or_hash_or_array[0] if record_or_hash_or_array.size == 1
- end
-
- record = extract_record(record_or_hash_or_array)
- namespace = extract_namespace(record_or_hash_or_array)
-
- args = case record_or_hash_or_array
- when Hash; [ record_or_hash_or_array ]
- when Array; record_or_hash_or_array.dup
- else [ record_or_hash_or_array ]
- end
-
- inflection =
- case
- when options[:action].to_s == "new"
- args.pop
- :singular
- when record.respond_to?(:new_record?) && record.new_record?
- args.pop
- :plural
- else
- :singular
- end
-
- args.delete_if {|arg| arg.is_a?(Symbol) || arg.is_a?(String)}
-
- named_route = build_named_route_call(record_or_hash_or_array, namespace, inflection, options)
-
- url_options = options.except(:action, :routing_type)
- unless url_options.empty?
- args.last.kind_of?(Hash) ? args.last.merge!(url_options) : args << url_options
- end
-
- __send__(named_route, *args)
- end
-
- # Returns the path component of a URL for the given record. It uses
- # polymorphic_url with :routing_type => :path.
- def polymorphic_path(record_or_hash_or_array, options = {})
- options[:routing_type] = :path
- polymorphic_url(record_or_hash_or_array, options)
- end
-
- %w(edit new).each do |action|
- module_eval <<-EOT, __FILE__, __LINE__
- def #{action}_polymorphic_url(record_or_hash, options = {}) # def edit_polymorphic_url(record_or_hash, options = {})
- polymorphic_url( # polymorphic_url(
- record_or_hash, # record_or_hash,
- options.merge(:action => "#{action}")) # options.merge(:action => "edit"))
- end # end
- #
- def #{action}_polymorphic_path(record_or_hash, options = {}) # def edit_polymorphic_path(record_or_hash, options = {})
- polymorphic_url( # polymorphic_url(
- record_or_hash, # record_or_hash,
- options.merge(:action => "#{action}", :routing_type => :path)) # options.merge(:action => "edit", :routing_type => :path))
- end # end
- EOT
- end
-
- def formatted_polymorphic_url(record_or_hash, options = {})
- ActiveSupport::Deprecation.warn("formatted_polymorphic_url has been deprecated. Please pass :format to the polymorphic_url method instead", caller)
- options[:format] = record_or_hash.pop if Array === record_or_hash
- polymorphic_url(record_or_hash, options)
- end
-
- def formatted_polymorphic_path(record_or_hash, options = {})
- ActiveSupport::Deprecation.warn("formatted_polymorphic_path has been deprecated. Please pass :format to the polymorphic_path method instead", caller)
- options[:format] = record_or_hash.pop if record_or_hash === Array
- polymorphic_url(record_or_hash, options.merge(:routing_type => :path))
- end
-
- private
- def action_prefix(options)
- options[:action] ? "#{options[:action]}_" : ''
- end
-
- def routing_type(options)
- options[:routing_type] || :url
- end
-
- def build_named_route_call(records, namespace, inflection, options = {})
- unless records.is_a?(Array)
- record = extract_record(records)
- route = ''
- else
- record = records.pop
- route = records.inject("") do |string, parent|
- if parent.is_a?(Symbol) || parent.is_a?(String)
- string << "#{parent}_"
- else
- string << "#{RecordIdentifier.__send__("plural_class_name", parent)}".singularize
- string << "_"
- end
- end
- end
-
- if record.is_a?(Symbol) || record.is_a?(String)
- route << "#{record}_"
- else
- route << "#{RecordIdentifier.__send__("plural_class_name", record)}"
- route = route.singularize if inflection == :singular
- route << "_"
- end
-
- action_prefix(options) + namespace + route + routing_type(options).to_s
- end
-
- def extract_record(record_or_hash_or_array)
- case record_or_hash_or_array
- when Array; record_or_hash_or_array.last
- when Hash; record_or_hash_or_array[:id]
- else record_or_hash_or_array
- end
- end
-
- # Remove the first symbols from the array and return the url prefix
- # implied by those symbols.
- def extract_namespace(record_or_hash_or_array)
- return "" unless record_or_hash_or_array.is_a?(Array)
-
- namespace_keys = []
- while (key = record_or_hash_or_array.first) && key.is_a?(String) || key.is_a?(Symbol)
- namespace_keys << record_or_hash_or_array.shift
- end
-
- namespace_keys.map {|k| "#{k}_"}.join
- end
- end
-end