refactor: remove obsolete member management API module

apps/web/supabase/migrations/20260417000004_courses_events_bookings_constraints.sql

@@ -0,0 +1,143 @@
+-- =====================================================
+-- Data Integrity Constraints for Courses, Events, Bookings
+--
+-- Adds CHECK constraints and partial unique indexes to
+-- enforce business rules at the database level.
+--
+-- All constraint additions are idempotent — wrapped in
+-- DO blocks that check pg_constraint before adding.
+-- =====================================================
+
+-- -------------------------------------------------------
+-- COURSES
+-- -------------------------------------------------------
+
+-- reduced_fee must not exceed fee
+DO $$
+BEGIN
+  IF NOT EXISTS (
+    SELECT 1 FROM pg_constraint WHERE conname = 'chk_courses_reduced_fee_lte_fee'
+  ) THEN
+    ALTER TABLE public.courses
+      ADD CONSTRAINT chk_courses_reduced_fee_lte_fee
+      CHECK (reduced_fee IS NULL OR reduced_fee <= fee);
+  END IF;
+END;
+$$;
+
+-- min_participants must not exceed capacity
+DO $$
+BEGIN
+  IF NOT EXISTS (
+    SELECT 1 FROM pg_constraint WHERE conname = 'chk_courses_min_lte_capacity'
+  ) THEN
+    ALTER TABLE public.courses
+      ADD CONSTRAINT chk_courses_min_lte_capacity
+      CHECK (min_participants IS NULL OR min_participants <= capacity);
+  END IF;
+END;
+$$;
+
+-- end_date must be on or after start_date
+DO $$
+BEGIN
+  IF NOT EXISTS (
+    SELECT 1 FROM pg_constraint WHERE conname = 'chk_courses_date_range'
+  ) THEN
+    ALTER TABLE public.courses
+      ADD CONSTRAINT chk_courses_date_range
+      CHECK (end_date IS NULL OR start_date IS NULL OR end_date >= start_date);
+  END IF;
+END;
+$$;
+
+-- registration_deadline must be on or before start_date
+DO $$
+BEGIN
+  IF NOT EXISTS (
+    SELECT 1 FROM pg_constraint WHERE conname = 'chk_courses_deadline_before_start'
+  ) THEN
+    ALTER TABLE public.courses
+      ADD CONSTRAINT chk_courses_deadline_before_start
+      CHECK (registration_deadline IS NULL OR start_date IS NULL OR registration_deadline <= start_date);
+  END IF;
+END;
+$$;
+
+-- Unique course_number per account (partial index — allows NULLs and empty strings)
+CREATE UNIQUE INDEX IF NOT EXISTS uix_courses_number_per_account
+  ON public.courses(account_id, course_number)
+  WHERE course_number IS NOT NULL AND course_number != '';
+
+-- -------------------------------------------------------
+-- EVENTS
+-- -------------------------------------------------------
+
+-- min_age must not exceed max_age
+DO $$
+BEGIN
+  IF NOT EXISTS (
+    SELECT 1 FROM pg_constraint WHERE conname = 'chk_events_age_range'
+  ) THEN
+    ALTER TABLE public.events
+      ADD CONSTRAINT chk_events_age_range
+      CHECK (min_age IS NULL OR max_age IS NULL OR min_age <= max_age);
+  END IF;
+END;
+$$;
+
+-- end_date must be on or after event_date
+DO $$
+BEGIN
+  IF NOT EXISTS (
+    SELECT 1 FROM pg_constraint WHERE conname = 'chk_events_date_range'
+  ) THEN
+    ALTER TABLE public.events
+      ADD CONSTRAINT chk_events_date_range
+      CHECK (end_date IS NULL OR end_date >= event_date);
+  END IF;
+END;
+$$;
+
+-- registration_deadline must be on or before event_date
+DO $$
+BEGIN
+  IF NOT EXISTS (
+    SELECT 1 FROM pg_constraint WHERE conname = 'chk_events_deadline_before_event'
+  ) THEN
+    ALTER TABLE public.events
+      ADD CONSTRAINT chk_events_deadline_before_event
+      CHECK (registration_deadline IS NULL OR registration_deadline <= event_date);
+  END IF;
+END;
+$$;
+
+-- -------------------------------------------------------
+-- BOOKINGS
+-- -------------------------------------------------------
+
+-- At least 1 adult required
+DO $$
+BEGIN
+  IF NOT EXISTS (
+    SELECT 1 FROM pg_constraint WHERE conname = 'chk_bookings_min_adults'
+  ) THEN
+    ALTER TABLE public.bookings
+      ADD CONSTRAINT chk_bookings_min_adults
+      CHECK (adults >= 1);
+  END IF;
+END;
+$$;
+
+-- total_price must be non-negative
+DO $$
+BEGIN
+  IF NOT EXISTS (
+    SELECT 1 FROM pg_constraint WHERE conname = 'chk_bookings_price_non_negative'
+  ) THEN
+    ALTER TABLE public.bookings
+      ADD CONSTRAINT chk_bookings_price_non_negative
+      CHECK (total_price >= 0);
+  END IF;
+END;
+$$;