first commit

postgres/migrate_v4_classes_auditlog.sql

@@ -0,0 +1,58 @@
+-- ══════════════════════════════════════════════════════════════════════════════
+-- MIGRATIE v4: Klassen zonder school_year_id + Auditlog tabel
+-- Uitvoeren op bestaande installaties:
+--   docker exec -i leerdoelen_db psql -U leerdoelen leerdoelen < postgres/migrate_v4_classes_auditlog.sql
+-- ══════════════════════════════════════════════════════════════════════════════
+
+BEGIN;
+
+-- 1. Verwijder school_year_id van classes (klassen zijn nu schooljaar-onafhankelijk)
+DO $$ BEGIN
+    IF EXISTS (
+        SELECT 1 FROM information_schema.columns
+        WHERE table_name='classes' AND column_name='school_year_id'
+    ) THEN
+        ALTER TABLE classes DROP CONSTRAINT IF EXISTS classes_school_year_id_fkey;
+        ALTER TABLE classes DROP COLUMN school_year_id;
+        RAISE NOTICE 'school_year_id verwijderd van classes';
+    ELSE
+        RAISE NOTICE 'school_year_id bestond al niet — niets te doen';
+    END IF;
+END $$;
+
+-- 2. Unieke constraint op (school_id, name) voor klassen
+DO $$ BEGIN
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_constraint WHERE conname = 'uq_class_school_name'
+    ) THEN
+        ALTER TABLE classes ADD CONSTRAINT uq_class_school_name UNIQUE (school_id, name);
+        RAISE NOTICE 'Unique constraint uq_class_school_name toegevoegd';
+    END IF;
+END $$;
+
+-- 3. Auditlog tabel aanmaken
+CREATE TABLE IF NOT EXISTS audit_logs (
+    id          SERIAL PRIMARY KEY,
+    timestamp   TIMESTAMP NOT NULL DEFAULT NOW(),
+    user_id     INTEGER REFERENCES users(id) ON DELETE SET NULL,
+    school_id   INTEGER REFERENCES schools(id) ON DELETE SET NULL,
+    action      VARCHAR(50) NOT NULL,
+    category    VARCHAR(20) NOT NULL,
+    target_type VARCHAR(50),
+    target_id   VARCHAR(100),
+    detail      TEXT,
+    ip_address  VARCHAR(45)
+);
+
+CREATE INDEX IF NOT EXISTS ix_audit_logs_timestamp ON audit_logs(timestamp);
+CREATE INDEX IF NOT EXISTS ix_audit_logs_action    ON audit_logs(action);
+CREATE INDEX IF NOT EXISTS ix_audit_logs_category  ON audit_logs(category);
+
+COMMIT;
+
+-- Controleer resultaat
+SELECT 'classes kolommen:' AS info;
+SELECT column_name, data_type FROM information_schema.columns WHERE table_name = 'classes' ORDER BY ordinal_position;
+
+SELECT 'audit_logs tabel:' AS info;
+SELECT COUNT(*) AS entries FROM audit_logs;