import os from itertools import chain from citext import CIText from flask import current_app as app, g from sqlalchemy.dialects.postgresql import UUID from ereuse_devicehub.db import db from ereuse_devicehub.resources.user.models import User from sortedcontainers import SortedSet from ereuse_devicehub.resources.models import STR_SM_SIZE, Thing, listener_reset_field_updated_in_actual_time from sqlalchemy import BigInteger, Boolean, Column, Float, ForeignKey, Integer, \ Sequence, SmallInteger, Unicode, inspect, text from sqlalchemy.ext.declarative import declared_attr from sqlalchemy.orm import ColumnProperty, backref, relationship, validates from sqlalchemy.util import OrderedSet from sqlalchemy_utils import ColorType from teal.db import CASCADE_OWN, CASCADE_DEL, POLYMORPHIC_ID, POLYMORPHIC_ON, \ check_lower, check_range from teal.resource import url_for_resource from ereuse_devicehub.resources.utils import hashcode from ereuse_devicehub.resources.enums import BatteryTechnology, CameraFacing, ComputerChassis, \ DataStorageInterface, DisplayTech, PrinterTechnology, RamFormat, RamInterface, Severity, TransferState _sorted_documents = { 'order_by': lambda: TradeDocument.created, 'collection_class': SortedSet } class TradeDocument(Thing): """This represent a document involved in a trade action. Every document is added to a lot. When this lot is converted in one trade, the action trade is added to the document and the action trade need to be confirmed for the both users of the trade. This confirmation can be revoked and this revoked need to be ConfirmRevoke for have some efect. This documents can be invoices or list of devices or certificates of erasure of one disk. Like a Devices one document have actions and is possible add or delete of one lot if this lot don't have a trade The document is saved in the database """ id = Column(BigInteger, Sequence('device_seq'), primary_key=True) id.comment = """The identifier of the device for this database. Used only internally for software; users should not use this. """ # type = Column(Unicode(STR_SM_SIZE), nullable=False) date = Column(db.DateTime) date.comment = """The date of document, some documents need to have one date """ id_document = Column(CIText()) id_document.comment = """The id of one document like invoice so they can be linked.""" description = Column(db.CIText()) description.comment = """A description of document.""" owner_id = db.Column(UUID(as_uuid=True), db.ForeignKey(User.id), nullable=False, default=lambda: g.user.id) owner = db.relationship(User, primaryjoin=owner_id == User.id) lot_id = db.Column(UUID(as_uuid=True), db.ForeignKey('lot.id'), nullable=False) lot = db.relationship('Lot', backref=backref('documents', lazy=True, cascade=CASCADE_OWN, **_sorted_documents), primaryjoin='TradeDocument.lot_id == Lot.id') lot.comment = """Lot to which the document is associated""" file_name = Column(db.CIText()) file_name.comment = """This is the name of the file when user up the document.""" file_hash = Column(db.CIText()) file_hash.comment = """This is the hash of the file produced from frontend.""" url = Column(db.CIText()) url.comment = """This is the url where resides the document.""" __table_args__ = ( db.Index('document_id', id, postgresql_using='hash'), # db.Index('type_doc', type, postgresql_using='hash') ) @property def actions(self) -> list: """All the actions where the device participated, including: 1. Actions performed directly to the device. 2. Actions performed to a component. 3. Actions performed to a parent device. Actions are returned by descending ``created`` time. """ return sorted(self.actions_multiple_docs, key=lambda x: x.created) def last_action_of(self, *types): """Gets the last action of the given types. :raise LookupError: Device has not an action of the given type. """ try: # noinspection PyTypeHints actions = self.actions actions.sort(key=lambda x: x.created) return next(e for e in reversed(actions) if isinstance(e, types)) except StopIteration: raise LookupError('{!r} does not contain actions of types {}.'.format(self, types)) def _warning_actions(self, actions): return sorted(ev for ev in actions if ev.severity >= Severity.Warning) def __lt__(self, other): return self.id < other.id def __str__(self) -> str: return '{0.file_name}'.format(self)