feat: added promocode creation and view

solution/apps/business/models.py

@@ -1,7 +1,10 @@
+from datetime import timedelta
+
 import jwt
 from django.conf import settings
 from django.core.validators import MinLengthValidator, RegexValidator
 from django.db import models
+from django.utils import timezone
 
 from apps.core.models import BaseModel
 
@@ -17,7 +20,7 @@ class Business(BaseModel):
         max_length=60,
         validators=[
             RegexValidator(
-                r"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$"
+                r"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$",
             ),
         ],
     )
@@ -31,6 +34,7 @@ class Business(BaseModel):
             {
                 "business_id": str(self.id),
                 "token_version": self.token_version,
+                "exp": timezone.now() + timedelta(hours=24),
             },
             settings.SECRET_KEY,
             algorithm="HS256",