Module: CopperEgg::Mixins::Persistence

Included in:
CustomDashboard, CopperEgg::MetricGroup, CopperEgg::MetricSample, Tag
Defined in:
lib/copperegg/mixins/persistence.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#error ⇒ Object (readonly)

Returns the value of attribute error.



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# File 'lib/copperegg/mixins/persistence.rb', line 79

def error
  @error
end

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/copperegg/mixins/persistence.rb', line 79

def id
  @id
end

Class Method Details

.included(klass) ⇒ Object 



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# File 'lib/copperegg/mixins/persistence.rb', line 8

def self.included(klass)
	klass.class_eval do
		class << self
			attr_reader :resource_name

			def find(*args)
				params = args.last.class == Hash ? args.pop : {}
				id = args.first
				response = request(params.merge(:request_type => "get", :id => id))
				if response.code == "200"
					json = JSON.parse(response.body)
					if json.is_a?(Array)
						json.map {|attributes| new(attributes)}
					else
						new(json)
					end
				end
			end

			def create(params)
				params.delete(:id)
				params.delete("id")
				new(params).save
			end

			def delete(id)
				request(:id => id, :request_type => "delete")
			end

			def request(params={})
				request_type = params.delete(:request_type)
				raise "invalid type `#{request_type}`" if !%w(get post put delete).include?(request_type)
				id = params.delete(:id)

				uri = id ? URI.parse("#{Api.uri}/#{self.resource_name}/#{id}.json") : URI.parse("#{Api.uri}/#{self.resource_name}.json")

				http = Net::HTTP.new(uri.host, uri.port)
				http.use_ssl = uri.scheme == 'https'
	      http.verify_mode = OpenSSL::SSL::VERIFY_NONE if !Api.ssl_verify_peer

	      request = Net::HTTP.const_get(request_type.capitalize).new(uri.request_uri)
	      request.body = JSON.generate(params) unless params.empty?
	      request.basic_auth(Api.apikey, "U")
	      request["Content-Type"] = "application/json"

	      begin
	        response = http.request(request)
	      rescue Exception => e
	         raise e
	      end

	      response
			end

			def request_200(params={})
				response = request(params)
				unless response.code === "200"
					raise HttpError.new("HTTP request failed with code `#{response.code}`: `#{response.body}`")
				end
				response
			end

			private

			def resource(value)
				@resource_name = value
			end
		end
	end
end

Instance Method Details

#delete ⇒ Object 



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# File 'lib/copperegg/mixins/persistence.rb', line 99

def delete
	self.class.request(:id => @id, :request_type => "delete")
end

#initialize(attributes = {}) ⇒ Object 



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# File 'lib/copperegg/mixins/persistence.rb', line 81

def initialize(attributes={})
	load_attributes(attributes)
end

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/copperegg/mixins/persistence.rb', line 103

def persisted?
	!@id.nil?
end

#save ⇒ Object 



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# File 'lib/copperegg/mixins/persistence.rb', line 85

def save
	if valid?
		response = persisted? ? update : create
		attributes = JSON.parse(response.body)
		if response.code != "200"
			@error = attributes.merge("code" => response.code)
		else
			load_attributes(attributes)
		end
	else
		raise ValidationError.new(@error)
	end
end