import jsonapi_requests
from . my_meta import MyMeta


class Quantity(jsonapi_requests.orm.ApiModel):
	class Meta(MyMeta):
		type = 'quantity'

	measure = jsonapi_requests.orm.AttributeField('measure')
	json_value = jsonapi_requests.orm.AttributeField('value')
	units = jsonapi_requests.orm.RelationField('units')
	inventory_adjustment = jsonapi_requests.orm.AttributeField('inventory_adjustment')
	inventory_asset = jsonapi_requests.orm.RelationField('inventory_asset')
	
	@property
	def value(self):
		return float(self.json_value['decimal'])

class Standard(Quantity):
	class Meta(Quantity.Meta):
		name = 'standard'
		type, path = Quantity.Meta.get_type_and_path(name)
class Price(Quantity):
	class Meta(Quantity.Meta):
		name = 'price'
		type, path = Quantity.Meta.get_type_and_path(name)
	json_unit_price = jsonapi_requests.orm.AttributeField('unit_price')
	json_total_price = jsonapi_requests.orm.AttributeField('total_price')
	
	@property
	def unit_price(self):
		return float(self.json_unit_price['decimal'])
	@property
	def total_price(self):
		return float(self.json_total_price['decimal'])

class Material(Quantity):
	class Meta(Quantity.Meta):
		name = 'material'
		type, path = Quantity.Meta.get_type_and_path(name)
	material_types = jsonapi_requests.orm.RelationField('material_type')