107 lines
3.8 KiB
Python
107 lines
3.8 KiB
Python
from citext import CIText
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from flask import g
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from sortedcontainers import SortedSet
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from sqlalchemy import BigInteger, Column, ForeignKey, Sequence, Unicode
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from sqlalchemy.dialects.postgresql import UUID
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from sqlalchemy.orm import backref, relationship
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from sqlalchemy.util import OrderedSet
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from ereuse_devicehub.resources.action.models import Snapshot
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from ereuse_devicehub.resources.device.models import Device
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from ereuse_devicehub.resources.models import STR_SM_SIZE, Thing
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from ereuse_devicehub.resources.user.models import User
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from ereuse_devicehub.teal.db import CASCADE_OWN
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PROOF_ENUM = {
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'Register': 'Register',
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'IssueDPP': 'IssueDPP',
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'proof_of_recycling': 'proof_of_recycling',
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'Erase': 'Erase',
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}
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_sorted_proofs = {'order_by': lambda: Proof.created, 'collection_class': SortedSet}
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class Proof(Thing):
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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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documentId = Column(CIText(), nullable=True)
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documentId.comment = "is the hash of snapshot.json_wb"
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documentSignature = Column(CIText(), nullable=True)
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documentSignature.comment = "is the snapshot.json_wb with the signature of the user"
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timestamp = Column(BigInteger, nullable=False)
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type = Column(Unicode(STR_SM_SIZE), nullable=False)
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issuer_id = Column(
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UUID(as_uuid=True),
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ForeignKey(User.id),
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nullable=False,
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default=lambda: g.user.id,
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)
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issuer = relationship(
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User,
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backref=backref('issuered_proofs', lazy=True, collection_class=set),
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primaryjoin=User.id == issuer_id,
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)
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issuer_id.comment = """The user that recorded this proof in the system."""
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device_id = Column(BigInteger, ForeignKey(Device.id), nullable=False)
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device = relationship(
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Device,
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backref=backref('proofs', lazy=True, cascade=CASCADE_OWN),
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primaryjoin=Device.id == device_id,
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)
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snapshot_id = Column(UUID(as_uuid=True), ForeignKey(Snapshot.id), nullable=True)
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snapshot = relationship(
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Snapshot,
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backref=backref('proofs', lazy=True),
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collection_class=OrderedSet,
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primaryjoin=Snapshot.id == snapshot_id,
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)
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class Dpp(Thing):
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"""
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Digital PassPort:
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It is a type of proof with some field more.
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Is the official Digital Passport
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"""
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id = Column(BigInteger, Sequence('device_seq'), primary_key=True)
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key = Column(CIText(), nullable=False)
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key.comment = "chid:phid, (chid it's in device and phid it's in the snapshot)"
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documentId = Column(CIText(), nullable=True)
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documentId.comment = "is the hash of snapshot.json_wb"
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documentSignature = Column(CIText(), nullable=True)
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documentSignature.comment = "is the snapshot.json_wb with the signature of the user"
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timestamp = Column(BigInteger, nullable=False)
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issuer_id = Column(
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UUID(as_uuid=True),
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ForeignKey(User.id),
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nullable=False,
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default=lambda: g.user.id,
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)
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issuer = relationship(
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User,
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backref=backref('issuered_dpp', lazy=True, collection_class=set),
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primaryjoin=User.id == issuer_id,
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)
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issuer_id.comment = """The user that recorded this proof in the system."""
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device_id = Column(BigInteger, ForeignKey(Device.id), nullable=False)
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device = relationship(
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Device,
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backref=backref('dpps', lazy=True, cascade=CASCADE_OWN),
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primaryjoin=Device.id == device_id,
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)
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snapshot_id = Column(UUID(as_uuid=True), ForeignKey(Snapshot.id), nullable=False)
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snapshot = relationship(
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Snapshot,
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backref=backref('dpp', lazy=True),
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collection_class=OrderedSet,
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primaryjoin=Snapshot.id == snapshot_id,
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)
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