Added login functionality and login required

application/auth/models.py

@@ -0,0 +1,19 @@
+from application import db
+from flask_login import UserMixin
+from werkzeug.security import generate_password_hash, check_password_hash
+
+
+# User model
+class User(db.Model, UserMixin):
+    __tablename__ = "user"
+    id = db.Column(db.Integer, primary_key=True)
+    username = db.Column(db.String(150), unique=True, nullable=False)
+    password = db.Column(db.String, nullable=False)
+
+    # Initialize user, prevents red stuff
+    def __init__(self, username: str, password: str, is_admin: bool = False):
+        self.username = username
+        self.password = generate_password_hash(password)
+
+    def check_password(self, password: str):
+        return check_password_hash(self.password, password=password)