Tag

#laravel

6 articles

Articles tagged #laravel

  1. The Discount That Knew You Were Hesitating: Rule-Based Personalisation in an Online Pharmacy

    How Zovita+ turns browsing into personal discounts without a machine-learning model: one visitor key for guests and customers, interaction counters, six offer rules, one pricing function for the bag and the charge, offers locked and redeemed once at checkout, guest-to-account merging, A/B tests, and the edge cases that shaped it.

    10 minThe Engineering Logs

  2. Zovita+: Building an Online Pharmacy That Adapts to Each Shopper

    How I rebuilt Zovita+, an online pharmacy with 1,186 real medicines, a 3D symptom body map, personal offers, drug-interaction warnings, refill reminders, pharmacist-reviewed prescriptions, Urdu, and card or cash payments, on Laravel, React and MySQL: stack, data model, checkout locking, payments, admin, security, SEO, testing, what broke and what I'd change.

    22 minThe Engineering Logs

  3. One Seat, Two Buyers: Race Conditions, IDOR and Keys in a Cinema Booking System

    How BookMyMovie makes sure one cinema seat is never sold twice, a guessed booking number shows nothing, and a leaked or missing key can't quietly break tickets: row locks, lock order, a NULL-tolerant unique key, status compare-and-set, idempotency, IDOR scoping, HMAC tickets, captcha step-up, and the bugs that still got through.

    11 minThe Engineering Logs

  4. BookMyMovie: Building a Cinema Ticketing Platform

    The story of BookMyMovie, a cinema booking site I built alone: why buying a ticket in Pakistan is still a hassle, the one rule the whole system is built around, how two people can never end up with the same seat, the back office, the design, and the bugs that slipped through.

    20 minThe Engineering Logs

  5. The Last Mango Problem: Race Conditions in a Real Marketplace

    What happens when fifty people try to buy the last item, use a single-use coupon or book a nearly full pickup window at the same instant, the MySQL snapshot detail that almost overbooked a stall, and the quieter races that hide in stock forms, restocks and payments.

    10 minThe Engineering Logs

  6. GleanGrid: Building a Pre-Order Marketplace for Farmers Markets

    How I designed and built GleanGrid on my own, a Laravel and React marketplace where Hyderabad's farmers publish weekly stock and customers reserve it, pay online or at the stall, and collect it: architecture, data model, payments, security and UX.

    15 minThe Engineering Logs