Bryan Van Deusen
87 lines
3.3 KiB
Python
87 lines
3.3 KiB
Python
from . import db
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from flask_login import UserMixin
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from . import login_manager
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from datetime import datetime
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# tag to object relationship table
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image_tags = db.Table(
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"image_tags",
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db.Column(
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"image_id", db.Integer,
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db.ForeignKey("image_record.id", ondelete="CASCADE"),
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primary_key=True,
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),
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db.Column(
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"tag_id", db.Integer,
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db.ForeignKey("tag.id", ondelete="CASCADE"),
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primary_key=True,
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),
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db.UniqueConstraint("image_id", "tag_id", name="uq_image_tag"),
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)
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class User(UserMixin, db.Model):
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id = db.Column(db.Integer, primary_key=True)
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username = db.Column(db.String(64), unique=True, nullable=False)
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email = db.Column(db.String(120), unique=True, nullable=False)
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password_hash = db.Column(db.String(256), nullable=False)
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is_admin = db.Column(db.Boolean, default=False)
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class ImageRecord(db.Model):
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__tablename__ = "image_record"
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id = db.Column(db.Integer, primary_key=True)
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filename = db.Column(db.String(255), nullable=False)
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filepath = db.Column(db.String(512), nullable=False)
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thumb_path = db.Column(db.String(512))
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hash = db.Column(db.String(64), unique=True, nullable=False) # SHA256
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perceptual_hash = db.Column(db.String(16), nullable=True) # hex of 64-bit hash
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# artist = db.Column(db.String(255), nullable=True)
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file_size = db.Column(db.Integer, nullable=True)
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width = db.Column(db.Integer, nullable=True)
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height = db.Column(db.Integer, nullable=True)
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format = db.Column(db.String(10), nullable=True)
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camera_model = db.Column(db.String(255), nullable=True)
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taken_at = db.Column(db.DateTime, nullable=True)
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imported_at = db.Column(db.DateTime, default=db.func.now())
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is_thumbnail = db.Column(db.Boolean, default=False)
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tags = db.relationship(
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"Tag",
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secondary=image_tags,
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back_populates="images",
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passive_deletes=True, # <-- let DB handle deletes
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)
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class Tag(db.Model):
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# __tablename__ = "tag" (implicit)
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id = db.Column(db.Integer, primary_key=True)
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name = db.Column(db.String(255), unique=True, nullable=False)
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kind = db.Column(db.String(64), nullable=True)
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images = db.relationship(
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"ImageRecord",
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secondary=image_tags,
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back_populates="tags",
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passive_deletes=True,
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)
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class ArchiveRecord(db.Model):
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"""
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Tracks archives we've processed so we can skip re-importing the same large file.
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Also holds a Tag that marks images that came from this archive.
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"""
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__tablename__ = "archive_record"
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id = db.Column(db.Integer, primary_key=True)
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filename = db.Column(db.String(512), nullable=False) # full path or logical name
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file_size = db.Column(db.BigInteger, nullable=False)
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hash = db.Column(db.String(64), unique=True, nullable=False) # SHA256 of the archive file
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imported_at = db.Column(db.DateTime, default=db.func.now())
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# optional: where this archive lived in the source tree (e.g., artist dir)
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artist = db.Column(db.String(255), nullable=True)
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# Link to the tag we created for this archive so we can reuse it if the same archive returns
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tag_id = db.Column(db.Integer, db.ForeignKey("tag.id", ondelete="SET NULL"), nullable=True)
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tag = db.relationship("Tag")
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@login_manager.user_loader
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def load_user(user_id):
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return User.query.get(int(user_id))
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