استعلامات ORM

post = Post.objects.create(title="أوّل منشور", body="...")
# أو
p = Post(title="آخر")
p.save()

Post.objects.all()                  # الكلّ
Post.objects.get(id=1)              # واحد (يرمي خطأً إن لم يوجد)
Post.objects.filter(published=True) # تصفية
Post.objects.filter(title__contains="درس")
Post.objects.exclude(published=False)
Post.objects.order_by("-created")   # ترتيب تنازلي
Post.objects.first()
Post.objects.count()

Post.objects.filter(views__gt=100)        # أكبر من
Post.objects.filter(title__startswith="ك")
Post.objects.filter(created__year=2026)

post = Post.objects.get(id=1)
post.title = "محدّث"
post.save()

Post.objects.filter(published=False).update(published=True)  # دفعة

Post.objects.get(id=1).delete()
Post.objects.filter(published=False).delete()