feat: added promocode creation and view

solution/apps/user/models.py

@@ -0,0 +1,53 @@
+from datetime import timedelta
+
+import jwt
+from django.conf import settings
+from django.core.validators import (
+    MaxValueValidator,
+    MinLengthValidator,
+    RegexValidator,
+)
+from django.db import models
+from django.utils import timezone
+from django_countries.fields import CountryField
+
+from apps.core.models import BaseModel
+
+
+class User(BaseModel):
+    name = models.CharField(max_length=100, validators=[MinLengthValidator(1)])
+    surname = models.CharField(
+        max_length=120,
+        validators=[MinLengthValidator(1)],
+    )
+    email = models.EmailField(
+        unique=True,
+        max_length=120,
+        validators=[MinLengthValidator(8)],
+    )
+    avatar_url = models.URLField(max_length=350, blank=True, null=True)
+    age = models.PositiveSmallIntegerField(validators=[MaxValueValidator(100)])
+    country = CountryField(max_length=2)
+    password = models.CharField(
+        max_length=60,
+        validators=[
+            RegexValidator(
+                r"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$",
+            ),
+        ],
+    )
+    token_version = models.BigIntegerField(default=0)
+
+    def __str__(self) -> str:
+        return f"{self.surname} {self.name}"
+
+    def generate_token(self) -> str:
+        return jwt.encode(
+            {
+                "user_id": str(self.id),
+                "token_version": self.token_version,
+                "exp": timezone.now() + timedelta(hours=24),
+            },
+            settings.SECRET_KEY,
+            algorithm="HS256",
+        )