refactor: split flask app structure

app/models.py

@@ -0,0 +1,38 @@
+from __future__ import annotations
+
+from datetime import datetime
+
+from flask_login import UserMixin
+from werkzeug.security import check_password_hash, generate_password_hash
+
+from .extensions import db
+
+
+class User(UserMixin, db.Model):
+    __tablename__ = "users"
+
+    id = db.Column(db.Integer, primary_key=True)
+    username = db.Column(db.String(100), unique=True, nullable=False)
+    password_hash = db.Column(db.String(255), nullable=False)
+    is_admin = db.Column(db.Boolean, default=False, nullable=False)
+    created_at = db.Column(db.DateTime, default=datetime.utcnow)
+
+    def set_password(self, password: str) -> None:
+        self.password_hash = generate_password_hash(password)
+
+    def check_password(self, password: str) -> bool:
+        return check_password_hash(self.password_hash, password)
+
+
+class UploadRecord(db.Model):
+    __tablename__ = "upload_records"
+
+    id = db.Column(db.Integer, primary_key=True)
+    user_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=False)
+    original_filename = db.Column(db.String(255), nullable=False)
+    saved_path = db.Column(db.String(500), nullable=False)
+    prediction_path = db.Column(db.String(500), nullable=False)
+    image_path = db.Column(db.String(500), nullable=False)
+    upload_time = db.Column(db.DateTime, default=datetime.utcnow)
+
+    user = db.relationship("User", backref=db.backref("uploads", lazy=True))