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devicehub-teal/ereuse_devicehub/modules/dpp/models.py

109 lines
3.8 KiB
Python

from citext import CIText
from flask import g
from sortedcontainers import SortedSet
from sqlalchemy import BigInteger, Column, ForeignKey, Sequence, Unicode
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import backref, relationship
from sqlalchemy.util import OrderedSet
from ereuse_devicehub.resources.action.models import Action, Snapshot
from ereuse_devicehub.resources.device.models import Device
from ereuse_devicehub.resources.models import STR_SM_SIZE, Thing
from ereuse_devicehub.resources.user.models import User
from ereuse_devicehub.teal.db import CASCADE_OWN
PROOF_ENUM = {
'Register': 'Register',
'IssueDPP': 'IssueDPP',
'proof_of_recycling': 'proof_of_recycling',
'Erase': 'Erase',
'EWaste': 'EWaste',
}
_sorted_proofs = {'order_by': lambda: Proof.created, 'collection_class': SortedSet}
class Proof(Thing):
id = Column(BigInteger, Sequence('proof_seq'), primary_key=True)
id.comment = """The identifier of the device for this database. Used only
internally for software; users should not use this."""
documentId = Column(CIText(), nullable=True)
documentId.comment = "is the uuid of snapshot"
documentSignature = Column(CIText(), nullable=True)
documentSignature.comment = "is the snapshot.json_hw with the signature of the user"
normalizeDoc = Column(CIText(), nullable=True)
timestamp = Column(BigInteger, nullable=False)
type = Column(Unicode(STR_SM_SIZE), nullable=False)
issuer_id = Column(
UUID(as_uuid=True),
ForeignKey(User.id),
nullable=False,
default=lambda: g.user.id,
)
issuer = relationship(
User,
backref=backref('issuered_proofs', lazy=True, collection_class=set),
primaryjoin=User.id == issuer_id,
)
issuer_id.comment = """The user that recorded this proof in the system."""
device_id = Column(BigInteger, ForeignKey(Device.id), nullable=False)
device = relationship(
Device,
backref=backref('proofs', lazy=True, cascade=CASCADE_OWN),
primaryjoin=Device.id == device_id,
)
action_id = Column(UUID(as_uuid=True), ForeignKey(Action.id), nullable=True)
action = relationship(
Action,
backref=backref('proofs', lazy=True),
collection_class=OrderedSet,
primaryjoin=Action.id == action_id,
)
class Dpp(Thing):
"""
Digital PassPort:
It is a type of proof with some field more.
Is the official Digital Passport
"""
id = Column(BigInteger, Sequence('dpp_seq'), primary_key=True)
key = Column(CIText(), nullable=False)
key.comment = "chid:phid, (chid it's in device and phid it's in the snapshot)"
documentId = Column(CIText(), nullable=True)
documentId.comment = "is the uuid of snapshot"
documentSignature = Column(CIText(), nullable=True)
documentSignature.comment = "is the snapshot.json_hw with the signature of the user"
timestamp = Column(BigInteger, nullable=False)
issuer_id = Column(
UUID(as_uuid=True),
ForeignKey(User.id),
nullable=False,
default=lambda: g.user.id,
)
issuer = relationship(
User,
backref=backref('issuered_dpp', lazy=True, collection_class=set),
primaryjoin=User.id == issuer_id,
)
issuer_id.comment = """The user that recorded this proof in the system."""
device_id = Column(BigInteger, ForeignKey(Device.id), nullable=False)
device = relationship(
Device,
backref=backref('dpps', lazy=True, cascade=CASCADE_OWN),
primaryjoin=Device.id == device_id,
)
snapshot_id = Column(UUID(as_uuid=True), ForeignKey(Snapshot.id), nullable=False)
snapshot = relationship(
Snapshot,
backref=backref('dpp', lazy=True),
collection_class=OrderedSet,
primaryjoin=Snapshot.id == snapshot_id,
)