from marshmallow import post_load, pre_load from marshmallow.fields import Float, Integer, Str from marshmallow.validate import Length, OneOf, Range from sqlalchemy.util import OrderedSet from ereuse_devicehub.marshmallow import NestedOn from ereuse_devicehub.resources.device import models as m from ereuse_devicehub.resources.enums import ComputerMonitorTechnologies, RamFormat, RamInterface from ereuse_devicehub.resources.models import STR_BIG_SIZE, STR_SIZE from ereuse_devicehub.resources.schemas import Thing, UnitCodes from teal.marshmallow import EnumField, ValidationError class Device(Thing): id = Integer(description=m.Device.id.comment.strip(), dump_only=True) hid = Str(dump_only=True, description=m.Device.hid.comment.strip()) tags = NestedOn('Tag', many=True, collection_class=OrderedSet, description='The set of tags that identify the device.') model = Str(validate=Length(max=STR_BIG_SIZE)) manufacturer = Str(validate=Length(max=STR_SIZE)) serial_number = Str(data_key='serialNumber') weight = Float(validate=Range(0.1, 3), unit=UnitCodes.kgm, description=m.Device.weight.comment.strip()) width = Float(validate=Range(0.1, 3), unit=UnitCodes.m, description=m.Device.width.comment.strip()) height = Float(validate=Range(0.1, 3), unit=UnitCodes.m, description=m.Device.height.comment.strip()) events = NestedOn('Event', many=True, dump_only=True, description=m.Device.events.__doc__) events_one = NestedOn('Event', many=True, load_only=True, collection_class=OrderedSet) @pre_load def from_events_to_events_one(self, data: dict): """ Not an elegant way of allowing submitting events to a device (in the context of Snapshots) without creating an ``events`` field at the model (which is not possible). :param data: :return: """ # Note that it is secure to allow uploading events_one # as the only time an user can send a device object is # in snapshots. data['events_one'] = data.pop('events', []) return data @post_load def validate_snapshot_events(self, data): """Validates that only snapshot-related events can be uploaded.""" from ereuse_devicehub.resources.event.models import EraseBasic, Test, Rate, Install, \ Benchmark for event in data['events_one']: if not isinstance(event, (Install, EraseBasic, Rate, Test, Benchmark)): raise ValidationError('You cannot upload {}'.format(event), field_names=['events']) class Computer(Device): components = NestedOn('Component', many=True, dump_only=True, collection_class=OrderedSet) class Desktop(Computer): pass class Laptop(Computer): pass class Netbook(Computer): pass class Server(Computer): pass class Microtower(Computer): pass class ComputerMonitor(Device): size = Float(description=m.ComputerMonitor.size.comment.strip(), validate=Range(2, 150)) technology = EnumField(ComputerMonitorTechnologies, description=m.ComputerMonitor.technology.comment.strip()) resolution_width = Integer(data_key='resolutionWidth', validate=Range(10, 20000), description=m.ComputerMonitor.resolution_width.comment.strip()) resolution_height = Integer(data_key='resolutionHeight', validate=Range(10, 20000), description=m.ComputerMonitor.resolution_height.comment.strip()) class Component(Device): parent = NestedOn(Device, dump_only=True) class GraphicCard(Component): memory = Integer(validate=Range(0, 10000), unit=UnitCodes.mbyte, description='The amount of memory of the Graphic Card in MB.') class DataStorage(Component): size = Integer(validate=Range(0, 10 ** 8), unit=UnitCodes.mbyte, description='The size of the hard-drive in MB.') class HardDrive(DataStorage): pass class SolidStateDrive(DataStorage): pass class Motherboard(Component): slots = Integer(validate=Range(1, 20), description='PCI slots the motherboard has.') usb = Integer(validate=Range(0, 20)) firewire = Integer(validate=Range(0, 20)) serial = Integer(validate=Range(0, 20)) pcmcia = Integer(validate=Range(0, 20)) class NetworkAdapter(Component): speed = Integer(validate=Range(min=10, max=10000), unit=UnitCodes.mbps, description='The maximum speed this network adapter can handle, in mbps.') class Processor(Component): speed = Float(validate=Range(min=0.1, max=15), unit=UnitCodes.ghz) cores = Integer(validate=Range(min=1, max=10)) # todo from numberOfCores address = Integer(validate=OneOf({8, 16, 32, 64, 128, 256})) class RamModule(Component): size = Integer(validate=Range(min=128, max=17000), unit=UnitCodes.mbyte) speed = Float(validate=Range(min=100, max=10000), unit=UnitCodes.mhz) interface = EnumField(RamInterface) format = EnumField(RamFormat)