initial login logic

models.py

@@ -0,0 +1,32 @@
+import os
+import bcrypt
+from flask_sqlalchemy import SQLAlchemy
+from flask_login import UserMixin
+
+db = SQLAlchemy()
+
+
+class User(UserMixin, db.Model):
+    __tablename__ = 'users'
+
+    id = db.Column(db.Integer, primary_key=True)
+    email = db.Column(db.String(255), unique=True, nullable=False, index=True)
+    password_hash = db.Column(db.String(255), nullable=False)
+    created_at = db.Column(db.DateTime, server_default=db.func.now())
+
+    def set_password(self, password):
+        """Hash password with bcrypt (includes salt automatically)."""
+        salt = bcrypt.gensalt()
+        self.password_hash = bcrypt.hashpw(
+            password.encode('utf-8'), salt
+        ).decode('utf-8')
+
+    def check_password(self, password):
+        """Verify password against stored hash."""
+        return bcrypt.checkpw(
+            password.encode('utf-8'),
+            self.password_hash.encode('utf-8')
+        )
+
+    def __repr__(self):
+        return f'<User {self.email}>'