Contents

module Neo4j
	module Rails
    # Handle all the created_at, updated_at, created_on, updated_on type stuff.
		module Timestamps
			extend ActiveSupport::Concern
			
			TIMESTAMP_PROPERTIES = [ :created_at, :created_on, :updated_at, :updated_on ]
			
			def write_changed_attributes
				update_timestamp
				super
			end
			
			def init_on_create(*args)
				create_timestamp
				super
			end
			
			# Set the timestamps for this model if timestamps is set to true in the config
			# and the model is set up with the correct property name, e.g.:
			#
			#   class Trackable < Neo4j::Rails::Model
			#     property :updated_at, :type => DateTime
			#   end
			def update_timestamp
				write_date_or_timestamp(:updated_at) if Neo4j::Config[:timestamps] && respond_to?(:updated_at)
			end
			
			# Set the timestamps for this model if timestamps is set to true in the config
			# and the model is set up with the correct property name, e.g.:
			#
			#   class Trackable < Neo4j::Rails::Model
			#     property :created_at, :type => DateTime
			#   end
			def create_timestamp
				write_date_or_timestamp(:created_at) if Neo4j::Config[:timestamps] && respond_to?(:created_at)
			end
			
			# Write the timestamp as a Date, DateTime or Time depending on the property type
			def write_date_or_timestamp(attribute)
				value = case self.class._decl_props[attribute][:type].to_s
				when "DateTime"
					DateTime.now
				when "Date"
					Date.today
				when "Time"
					Time.now
				end
				
				send("#{attribute}=", value)
			end
			
			module ClassMethods
				def property_setup(property, options)
					super
					
					# ensure there's always a type on the timestamp properties
					if Neo4j::Config[:timestamps] && TIMESTAMP_PROPERTIES.include?(property)
						_decl_props[property][:type] = Time
					end
				end
			end
		end
	end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
neo4j-1.0.0.beta.30-java	lib/neo4j/rails/timestamps.rb
neo4j-1.0.0.beta.29-java	lib/neo4j/rails/timestamps.rb
neo4j-1.0.0.beta.28-java	lib/neo4j/rails/timestamps.rb