добавил всего по мелочи, отредактировал urls, добавил файлы библиотеки Chart.js

users/admin.py

@@ -1,8 +1,13 @@
 from django.contrib import admin
 from .models import User
+from django.contrib.auth.models import Group
+
+
+admin.site.unregister(Group)
 
 
 @admin.register(User)
 class UserAdmin(admin.ModelAdmin):
-    list_display = ['id', 'login', 'is_superuser', 'registered', 'last_password_change']
-    readonly_fields = ['id', 'registered']
+    # fields = ['id', 'login', 'is_superuser', 'registered', 'last_password_change', 'last_login']
+    list_display = ['id', 'login', 'is_superuser', 'registered', 'last_password_change', 'last_login']
+    readonly_fields = ['id', 'registered', 'last_login', 'last_password_change']

users/models.py

@@ -6,14 +6,23 @@ from django.core.validators import MinLengthValidator
 from .managers import CustomUserManager
 
 
-class User(AbstractBaseUser, PermissionsMixin):
+class User(AbstractBaseUser):
     login = models.CharField(max_length=16, validators=[MinLengthValidator(4)], verbose_name="Логин", unique=True)
-    is_staff = models.BooleanField(default=False, verbose_name="Разрешение на вход в админку")
+    password = models.CharField(verbose_name="Пароль", max_length=128)
+    last_login = models.DateTimeField(verbose_name="Последний вход", blank=True, null=True)
     is_superuser = models.BooleanField(default=False, verbose_name="Администратор")
     registered = models.DateTimeField(default=timezone.now, editable=False, verbose_name="Время регистрации")
 
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.is_staff = self.is_superuser
+
     last_password_change = models.DateTimeField(default=timezone.now, verbose_name="Последняя смена пароля")
 
+    def set_password(self, raw_password):
+        super().set_password(raw_password)
+        self.last_password_change = timezone.now()
+
     USERNAME_FIELD = "login"
     REQUIRED_FIELDS = []
 
@@ -21,3 +30,12 @@ class User(AbstractBaseUser, PermissionsMixin):
 
     def __str__(self):
         return self.login
+
+    class Meta:
+        default_permissions = ()
+
+    def has_perm(self, perm, obj=None):
+        return self.is_superuser
+
+    def has_module_perms(self, package_name):
+        return self.is_superuser