Class: Patchboard::Endpoints

Inherits:
Object
  • Object
show all
Defined in:
lib/patchboard/endpoints.rb

Instance Method Summary collapse

Constructor Details

#initialize(context, api, klasses) ⇒ Endpoints

Returns a new instance of Endpoints.



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# File 'lib/patchboard/endpoints.rb', line 5

def initialize(context, api, klasses)
  @context = context
  @api = api
  @klasses = klasses

  @api.mappings.each do |name, mapping|
    if klass = @klasses[name]
      if mapping.template || mapping.query
        # A mapping with a template or query property requires
        # additional input before it can express a usable URL.
        # Thus the endpoint method takes parameters and instantiates
        # a resource of the correct class.

        define_singleton_method name do |params={}|
          if params.is_a? String
            url = params
          else
            url = mapping.generate_url(params)
          end
          klass.new(context, {:url => url})
        end
      elsif mapping.path
        # When a mapping has the 'path' property, all that is needed to
        # create a usable resource is the full URL.  Thus this endpoint
        # method returns an instantiated resource directly.
        define_singleton_method name do
          klass.new(context, :url => mapping.generate_url())
        end
      elsif mapping.url
        define_singleton_method name do
          klass.new(context, :url => mapping.url)
        end
      else
        raise "Mapping '#{name}' is invalid"
      end
    else
      raise "No resource class for mapping '#{name}'"
    end
  end
end