DocManagerBackend/docmanager_backend/accounts/admin.py

from django.contrib import admin
from django.contrib.auth.admin import UserAdmin

from .models import CustomUser


class CustomUserAdmin(UserAdmin):
    model = CustomUser
    list_display = ("id", "full_name", "role", "is_active")
    readonly_fields = ("date_joined",)

    # Add this line to include the role field in the admin form
    fieldsets = UserAdmin.fieldsets + \
        ((None, {"fields": ("role", "sex", "birthday")}),)


admin.site.register(CustomUser, CustomUserAdmin)