Middle

Promo-koddan foydalanishda Frontend va Backend o'rtasidagi o'zaro ta'sirning ketma-ketlik diagrammasini chizish

sobes.tech AI

AIdan javob

mermaid sequenceDiagram participant User participant Frontend participant Backend

User->>Frontend: Promokodni kiriting va "Qo'llash" tugmasini bosadi
Frontend->>Backend: Promokod bilan so'rov yuboradi (masalan, POST /apply-promo)
Backend->>Backend: Promokodning amal qilish muddatini tekshiradi (mavjudmi, muddati o'tmaganmi, buyurtmaga mos keladimi)
alt Promokod valid
    Backend->>Frontend: Muvaffaqiyatli javob bilan chegirma haqida ma'lumotlarni qaytaradi
    Frontend->>User: Chegirmani ko'rsatadi va buyurtma summasini yangilaydi
else Promokod invalid
    Backend->>Frontend: Xato bilan xabar yuboradi
    Frontend->>User: Xato xabarini ko'rsatadi
end

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