Class: Roda::RodaPlugins::RestApi::Resource

Inherits:
Object
  • Object
show all
Defined in:
lib/roda/plugins/rest_api.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(request, options = {}) ⇒ Resource

Returns a new instance of Resource.



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# File 'lib/roda/plugins/rest_api.rb', line 20

def initialize(request, options={})
	@request = request
	@singleton = options.delete(:singleton) || false
	@primary_key = options.delete(:primary_key) || "id"
	@content_type = options.delete(:content_type) || APPLICATION_JSON
end

Instance Attribute Details

#content_type ⇒ Object (readonly)

Returns the value of attribute content_type.



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# File 'lib/roda/plugins/rest_api.rb', line 18

def content_type
  @content_type
end

#singleton ⇒ Object (readonly)

Returns the value of attribute singleton.



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# File 'lib/roda/plugins/rest_api.rb', line 18

def singleton
  @singleton
end

Instance Method Details

#delete(&block) ⇒ Object 



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# File 'lib/roda/plugins/rest_api.rb', line 42

def delete(&block)
	@delete = block if block
	@delete || ->(_){raise NotImplementedError, "delete"}
end

#list(&block) ⇒ Object 



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# File 'lib/roda/plugins/rest_api.rb', line 27

def list(&block)
	@list = block if block
	@list || ->(_){raise NotImplementedError, "list"}
end

#one(&block) ⇒ Object 



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# File 'lib/roda/plugins/rest_api.rb', line 32

def one(&block)
	@one = block if block
	@one || ->(_){raise NotImplementedError, "one"}
end

#perform(method, id = nil) ⇒ Object 



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# File 'lib/roda/plugins/rest_api.rb', line 64

def perform(method, id = nil)
	begin
		args = method === :save ? JSON.parse(@request.body) : @request.GET
		args.merge!(@primary_key => id) if id
		self.send(method).call(args)
	rescue StandardError => e
		@request.response.status = method === :save ? 422 : 404
	end
end

#routes(*routes) ⇒ Object 



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# File 'lib/roda/plugins/rest_api.rb', line 52

def routes(*routes)
	@routes = routes
end

#routes! ⇒ Object 



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# File 'lib/roda/plugins/rest_api.rb', line 56

def routes!
	unless @routes
		@routes = SINGLETON_ROUTES.dup
		@routes << :index unless @singleton
	end
	@routes.each { |route| @request.send(route) }
end

#save(&block) ⇒ Object 



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# File 'lib/roda/plugins/rest_api.rb', line 37

def save(&block)
	@save = block if block
	@save || ->(_){raise NotImplementedError, "save"}
end

#serialize(&block) ⇒ Object 



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# File 'lib/roda/plugins/rest_api.rb', line 47

def serialize(&block)
	@serialize = block if block
	@serialize || ->(obj){obj.is_a?(String) ? obj : obj.send(:to_json)}
end