43 lines
2 KiB
Python
43 lines
2 KiB
Python
from uuid import uuid4
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from sqlalchemy import BigInteger, Column, Enum as DBEnum, ForeignKey, 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 teal.db import CASCADE_OWN
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from ereuse_devicehub.db import db
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from ereuse_devicehub.resources.device.models import Device
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from ereuse_devicehub.resources.enums import ImageMimeTypes, Orientation
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from ereuse_devicehub.resources.models import STR_BIG_SIZE, Thing
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class ImageList(Thing):
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id = db.Column(UUID(as_uuid=True), primary_key=True, default=uuid4)
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device_id = Column(BigInteger, ForeignKey(Device.id), nullable=False)
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device = relationship(Device,
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primaryjoin=Device.id == device_id,
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backref=backref('images',
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lazy=True,
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cascade=CASCADE_OWN,
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order_by=lambda: ImageList.created,
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collection_class=OrderedSet))
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class Image(Thing):
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id = db.Column(UUID(as_uuid=True), primary_key=True, default=uuid4)
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name = Column(Unicode(STR_BIG_SIZE), default='', nullable=False)
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content = db.Column(db.LargeBinary, nullable=False)
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file_format = db.Column(DBEnum(ImageMimeTypes), nullable=False)
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orientation = db.Column(DBEnum(Orientation), nullable=False)
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image_list_id = Column(UUID(as_uuid=True), ForeignKey(ImageList.id), nullable=False)
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image_list = relationship(ImageList,
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primaryjoin=ImageList.id == image_list_id,
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backref=backref('images',
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cascade=CASCADE_OWN,
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order_by=lambda: Image.created,
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collection_class=OrderedSet))
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# todo make an image Field that converts to/from image object
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# todo which metadata we get from Photobox?
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