korochki/app/admin.py

from django.contrib import admin
from models import Application, Review
# Register your models here.
@admin.register(Application)
class ApplicationAdmin(admin.ModelAdmin):
    list_display = ("id", "user", "course_name", "payment_method", "status", "created_at", "date_start")
    list_filter = ("payment_method", "status", "created_at")
    search_fields = ("username", "user__full_name", "course_name")
    list_per_page = 10
    readonly_fields = ("created_at",)

@admin.register(Review)
class ReviewAdmin(admin.ModelAdmin):
    list_display = ["id", "username", "text", "created_at"]
    search_fields = ("user__username", "user__full_name", "text")
    list_per_page = 10