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module ActionController
module Resources
class Resource #:nodoc:
attr_reader :collection_methods, :member_methods, :new_methods
attr_reader :path_prefix, :name_prefix
attr_reader :plural, :singular
attr_reader :options
def initialize(entities, options)
@plural = entities
@singular = options[:singular] || plural.to_s.singularize
@options = options
arrange_actions
add_default_actions
set_prefixes
end
def controller
(options[:controller] || plural).to_s
end
def path
"#{path_prefix}/#{plural}"
end
def new_path
"#{path}/new"
end
def member_path
"#{path}/:id"
end
def nesting_path_prefix
"#{path_prefix}/#{plural}/:#{singular}_id"
end
private
def arrange_actions
@collection_methods = arrange_actions_by_methods(options.delete(:collection))
@member_methods = arrange_actions_by_methods(options.delete(:member))
@new_methods = arrange_actions_by_methods(options.delete(:new))
end
def add_default_actions
add_default_action(collection_methods, :post, :create)
add_default_action(member_methods, :get, :edit)
add_default_action(member_methods, :put, :update)
add_default_action(member_methods, :delete, :destroy)
add_default_action(new_methods, :get, :new)
end
def set_prefixes
@path_prefix = options.delete(:path_prefix)
@name_prefix = options.delete(:name_prefix)
end
def arrange_actions_by_methods(actions)
(actions || {}).inject({}) do |flipped_hash, (key, value)|
(flipped_hash[value] ||= []) << key
flipped_hash
end
end
def add_default_action(collection, method, action)
(collection[method] ||= []).unshift(action)
end
end
def resources(*entities, &block)
options = entities.last.is_a?(Hash) ? entities.pop : { }
entities.each { |entity| map_resource entity, options.dup, &block }
end
private
def map_resource(entities, options = {}, &block)
resource = Resource.new(entities, options)
with_options :controller => resource.controller do |map|
map_collection_actions(map, resource)
map_new_actions(map, resource)
map_member_actions(map, resource)
if block_given?
with_options(:path_prefix => resource.nesting_path_prefix, &block)
end
end
end
def map_collection_actions(map, resource)
resource.collection_methods.each do |method, actions|
primary = actions.shift.to_s if method != :get
route_options = requirements_for(method)
actions.each do |action|
map.named_route(
"#{resource.name_prefix}#{action}_#{resource.plural}",
"#{resource.path};#{action}",
route_options.merge(:action => action.to_s)
)
map.named_route(
"formatted_#{resource.name_prefix}#{action}_#{resource.plural}",
"#{resource.path}.:format;#{action}",
route_options.merge(:action => action.to_s)
)
end
unless primary.blank?
map.connect(resource.path, route_options.merge(:action => primary))
map.connect("#{resource.path}.:format", route_options.merge(:action => primary))
end
map.named_route("#{resource.name_prefix}#{resource.plural}", resource.path, :action => "index", :conditions => { :method => :get })
map.named_route("formatted_#{resource.name_prefix}#{resource.plural}", "#{resource.path}.:format", :action => "index", :conditions => { :method => :get })
end
end
def map_new_actions(map, resource)
resource.new_methods.each do |method, actions|
route_options = requirements_for(method)
actions.each do |action|
path = action == :new ? resource.new_path : "#{resource.new_path};#{action}"
name = "new_#{resource.singular}"
name = "#{action}_#{name}" unless action == :new
map.named_route("#{resource.name_prefix}#{name}", path, route_options.merge(:action => action.to_s))
map.named_route("formatted_#{resource.name_prefix}#{name}", action == :new ? "#{resource.new_path}.:format" : "#{resource.new_path}.:format;#{action}", route_options.merge(:action => action.to_s))
end
end
end
def map_member_actions(map, resource)
resource.member_methods.each do |method, actions|
route_options = requirements_for(method)
primary = actions.shift.to_s unless [ :get, :post, :any ].include?(method)
actions.each do |action|
map.named_route("#{resource.name_prefix}#{action}_#{resource.singular}", "#{resource.member_path};#{action}", route_options.merge(:action => action.to_s))
map.named_route("formatted_#{resource.name_prefix}#{action}_#{resource.singular}", "#{resource.member_path}.:format;#{action}", route_options.merge(:action => action.to_s))
end
map.connect(resource.member_path, route_options.merge(:action => primary)) unless primary.blank?
map.named_route("#{resource.name_prefix}#{resource.singular}", resource.member_path, :action => "show", :conditions => { :method => :get })
map.named_route("formatted_#{resource.name_prefix}#{resource.singular}", "#{resource.member_path}.:format", :action => "show", :conditions => { :method => :get })
end
end
def requirements_for(method)
method == :any ? {} : { :conditions => { :method => method } }
end
end
end
ActionController::Routing::RouteSet::Mapper.send :include, ActionController::Resources
|
