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