feat: add database schema migrations and seed data

8 SQL migration files covering all 10 tables, RLS policies with SECURITY DEFINER helpers, and seed data for SCW1 site + 3 zones. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01AWxyMibCuGGtSQSqfajDQ7
2026-07-09 21:44:24 +08:00
parent 6939a21183
commit 05daf70177
8 changed files with 364 additions and 0 deletions
@@ -0,0 +1,69 @@
+-- supabase/migrations/20260709000003_incidents.sql
+CREATE TYPE incident_type AS ENUM (
+  'injury', 'near_miss', 'hazard', 'asset_damage', 'environmental', 'security', 'fire'
+);
+
+CREATE TYPE incident_status AS ENUM (
+  'reported', 'triaged', 'investigating', 'capa_pending', 'verification', 'closed'
+);
+
+CREATE TYPE medical_status AS ENUM (
+  'none', 'first_aid', 'medical_treatment', 'lti'
+);
+
+CREATE TABLE incidents (
+  id              UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  reference_no    TEXT UNIQUE,
+  incident_type   incident_type NOT NULL,
+  site_id         UUID NOT NULL REFERENCES sites(id),
+  zone_id         UUID REFERENCES zones(id),
+  reported_by     UUID NOT NULL REFERENCES users(id),
+  reported_at     TIMESTAMPTZ NOT NULL DEFAULT now(),
+  description     TEXT NOT NULL,
+  severity        SMALLINT CHECK (severity BETWEEN 1 AND 5),
+  status          incident_status NOT NULL DEFAULT 'reported',
+  injury_involved BOOLEAN NOT NULL DEFAULT false,
+  asset_involved  BOOLEAN NOT NULL DEFAULT false,
+  medical_status  medical_status,
+  lost_days       INT CHECK (lost_days >= 0),
+  closed_at       TIMESTAMPTZ,
+  created_at      TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+-- Auto-generate reference_no: SITECODE-YYYYMM-#### (e.g. SCW1-202607-0001)
+CREATE OR REPLACE FUNCTION public.generate_incident_reference()
+RETURNS TRIGGER
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  v_site_code TEXT;
+  v_month     TEXT;
+  v_seq       INT;
+BEGIN
+  SELECT UPPER(REGEXP_REPLACE(SUBSTRING(name, 1, 6), '[^A-Za-z0-9]', '', 'g'))
+  INTO v_site_code
+  FROM sites
+  WHERE id = NEW.site_id;
+
+  v_month := TO_CHAR(NEW.reported_at, 'YYYYMM');
+
+  SELECT COUNT(*) + 1
+  INTO v_seq
+  FROM incidents
+  WHERE site_id = NEW.site_id
+    AND TO_CHAR(reported_at, 'YYYYMM') = v_month;
+
+  NEW.reference_no := v_site_code || '-' || v_month || '-' || LPAD(v_seq::TEXT, 4, '0');
+  RETURN NEW;
+END;
+$$;
+
+CREATE TRIGGER set_incident_reference
+  BEFORE INSERT ON incidents
+  FOR EACH ROW
+  WHEN (NEW.reference_no IS NULL)
+  EXECUTE FUNCTION public.generate_incident_reference();
+
+CREATE INDEX incidents_site_id_idx   ON incidents(site_id);
+CREATE INDEX incidents_reported_by_idx ON incidents(reported_by);
+CREATE INDEX incidents_status_idx    ON incidents(status);