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canina/.ai_agency/specs/reviews/backend_review.md

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⚙️ Backend Technical Review (05_dev_backend)

Architectural Overview

  • Framework: NestJS v10+ with TypeScript
  • Database / ORM: PostgreSQL + Prisma ORM v5+
  • Auth: JWT Authentication + Passport.js with Role Guards (User_PetOwner, User_Wholesale, ADMIN)

Critical Review Findings & Required Enhancements

  1. Database & Seeding:
    • prisma/seed.ts must accurately populate 30+ official Canina products from canina.md and canina.pdf with both retail (priceValue) and B2B wholesale (wholesalePrice) fields, dosage logic, ingredients, and symptoms.
    • Dynamic tables: HeroBanner, VetTestimonial, SmartAdvisorRule, ScientificTerm, UiText, Blog, Category, Product.
  2. REST Controllers & Security:
    • ValidationPipe: Enforce global NestJS DTO validation pipe in main.ts with strict whitelisting.
    • RolesGuard: Enforce role checking for B2B endpoints (/api/v1/wholesale/*) and Admin endpoints (/api/v1/admin/*).
    • B2B Document Verification: Admin endpoints for reviewing and approving wholesale business registrations.
  3. Data Integrity & Sync:
    • Provide REST APIs for all dynamic CMS entities so the frontend application renders zero hardcoded text/banners/testimonials.
    • Provide complete admin endpoints (/api/v1/admin/*) for CRUD operations on banners, testimonials, advisor rules, products, categories, orders, users, coupons, and terms.