Building a Clinic Booking App in Flutter: Slots, Reminders and Privacy
Clinic booking apps look like a calendar with a "Book" button. In practice, the hard parts are elsewhere: how you model free time, how you stop two patients from taking the same slot, how reminders reach people in the right time zone, and how you keep health data out of places it shouldn't be. I'm a freelance Flutter and WordPress developer in Famagusta, North Cyprus, where many clinics treat…
Slot collisions in booking apps arise when two patients attempt to book the same time slot simultaneously. To handle these scenarios, the booking process must be created using a transaction or with a unique constraint on the practitioner and start time on the server. If the transaction fails, indicating that the slot has already been taken, the app can display alternative available slots to the user.
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