Major addition. User register, login and update is now functional on frontend, removed UUID5 for UUID4 for users and many more changes

backend/app/database/models/user_model.py

@@ -4,7 +4,7 @@ from typing import Optional
 from uuid import UUID
 
 from sqlalchemy import Column
-from sqlmodel import Enum, Field, Relationship, SQLModel
+from sqlmodel import Enum, Field, Relationship, SQLModel, UniqueConstraint
 
 
 class UserRole(PyEnum):
@@ -17,6 +17,9 @@ class UserRole(PyEnum):
 
 class User(SQLModel, table=True):
     __tablename__ = "user"
+    __table_args__ = (
+        UniqueConstraint("email", "shop_id", name="uix_email_shop_id"),
+    )
 
     id: int = Field(primary_key=True)
     uuid: UUID = Field(nullable=False, unique=True)