chore: Projektbasis und PostgreSQL-Migrationen einrichten
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Paul SchoeneckandCopilot committed
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CREATE TABLE pickup_contacts (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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child_id uuid NOT NULL REFERENCES children(id) ON DELETE CASCADE,
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name text NOT NULL,
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relationship text NOT NULL,
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phone text NOT NULL DEFAULT '',
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authorized boolean NOT NULL DEFAULT true,
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notes text NOT NULL DEFAULT ''
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);
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CREATE INDEX pickup_contacts_child ON pickup_contacts(child_id);
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CREATE TABLE alone_rules (
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child_id uuid NOT NULL REFERENCES children(id) ON DELETE CASCADE,
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weekday integer NOT NULL CHECK (weekday BETWEEN 1 AND 7),
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earliest time NOT NULL,
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PRIMARY KEY(child_id, weekday)
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);
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ALTER TABLE attendance DROP CONSTRAINT attendance_pickup_kind_check;
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ALTER TABLE attendance ADD CONSTRAINT attendance_pickup_kind_check
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CHECK (pickup_kind IN ('planned', 'parents', 'alone'));
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ALTER TABLE attendance ADD CONSTRAINT attendance_chronology
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CHECK (picked_up_at IS NULL OR picked_up_at >= arrived_at);
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CREATE SEQUENCE attendance_revision;
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ALTER TABLE attendance ADD COLUMN version bigint NOT NULL DEFAULT nextval('attendance_revision');
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CREATE FUNCTION bump_attendance_revision() RETURNS trigger LANGUAGE plpgsql AS $$
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BEGIN
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NEW.version := nextval('attendance_revision');
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RETURN NEW;
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END;
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$$;
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CREATE TRIGGER attendance_revision_trigger BEFORE UPDATE ON attendance
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FOR EACH ROW EXECUTE FUNCTION bump_attendance_revision();
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CREATE TABLE audit_log (
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id bigint GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
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child_id uuid NOT NULL,
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entity text NOT NULL,
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entity_id text,
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day date,
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operation text NOT NULL CHECK (operation IN ('INSERT', 'UPDATE', 'DELETE')),
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actor_id uuid,
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actor_name text NOT NULL,
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reason text NOT NULL,
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before_data jsonb,
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after_data jsonb,
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created_at timestamptz NOT NULL DEFAULT clock_timestamp()
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);
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CREATE INDEX audit_log_child ON audit_log(child_id, id DESC);
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CREATE FUNCTION record_child_audit() RETURNS trigger LANGUAGE plpgsql AS $$
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DECLARE
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old_data jsonb;
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new_data jsonb;
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row_data jsonb;
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actor uuid;
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actor_label text;
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BEGIN
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IF TG_OP <> 'INSERT' THEN old_data := to_jsonb(OLD); END IF;
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IF TG_OP <> 'DELETE' THEN new_data := to_jsonb(NEW); END IF;
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IF TG_OP = 'UPDATE' AND old_data - 'version' = new_data - 'version' THEN RETURN NEW; END IF;
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row_data := COALESCE(new_data, old_data);
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actor := NULLIF(current_setting('kibu.actor_id', true), '')::uuid;
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SELECT name || ' (' || email || ')' INTO actor_label FROM staff WHERE id = actor;
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INSERT INTO audit_log(child_id, entity, entity_id, day, operation, actor_id, actor_name,
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reason, before_data, after_data)
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VALUES (
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CASE WHEN TG_TABLE_NAME = 'children' THEN (row_data->>'id')::uuid ELSE (row_data->>'child_id')::uuid END,
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TG_TABLE_NAME, row_data->>'id', (row_data->>'day')::date, TG_OP, actor,
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COALESCE(actor_label, 'Datenbank / Einrichtung'),
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COALESCE(NULLIF(current_setting('kibu.reason', true), ''), 'Direkte Datenbankänderung'),
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old_data, new_data
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);
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RETURN COALESCE(NEW, OLD);
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END;
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$$;
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CREATE TRIGGER children_audit AFTER INSERT OR UPDATE OR DELETE ON children FOR EACH ROW EXECUTE FUNCTION record_child_audit();
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CREATE TRIGGER weekly_audit AFTER INSERT OR UPDATE OR DELETE ON weekly_schedules FOR EACH ROW EXECUTE FUNCTION record_child_audit();
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CREATE TRIGGER override_audit AFTER INSERT OR UPDATE OR DELETE ON day_overrides FOR EACH ROW EXECUTE FUNCTION record_child_audit();
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CREATE TRIGGER attendance_audit AFTER INSERT OR UPDATE OR DELETE ON attendance FOR EACH ROW EXECUTE FUNCTION record_child_audit();
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CREATE TRIGGER contacts_audit AFTER INSERT OR UPDATE OR DELETE ON pickup_contacts FOR EACH ROW EXECUTE FUNCTION record_child_audit();
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CREATE TRIGGER alone_audit AFTER INSERT OR UPDATE OR DELETE ON alone_rules FOR EACH ROW EXECUTE FUNCTION record_child_audit();
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CREATE FUNCTION protect_audit_log() RETURNS trigger LANGUAGE plpgsql AS $$
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BEGIN
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RAISE EXCEPTION 'Das Audit-Log ist unveraenderlich.';
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END;
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$$;
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CREATE TRIGGER audit_immutable BEFORE UPDATE OR DELETE OR TRUNCATE ON audit_log
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FOR EACH STATEMENT EXECUTE FUNCTION protect_audit_log();
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INSERT INTO audit_log(child_id, entity, day, operation, actor_name, reason, after_data)
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SELECT child_id, 'attendance', day, 'INSERT', 'Datenbank / Einrichtung',
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'Bestandsübernahme bei Einführung des Audit-Logs; ursprünglicher Änderungsverlauf nicht verfügbar.',
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to_jsonb(a) FROM attendance a;
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@@ -0,0 +1,57 @@
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CREATE TABLE pickup_slots (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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starts_at time NOT NULL,
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ends_at time NOT NULL,
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active boolean NOT NULL DEFAULT true,
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CHECK (starts_at < ends_at),
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UNIQUE(starts_at, ends_at)
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);
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INSERT INTO pickup_slots(starts_at, ends_at) VALUES
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('14:00', '14:15'), ('15:00', '15:15'), ('16:00', '16:15'), ('17:00', '17:15');
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ALTER TABLE weekly_schedules ADD COLUMN pickup_end time;
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ALTER TABLE weekly_schedules ADD COLUMN pickup_slot_id uuid REFERENCES pickup_slots(id);
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ALTER TABLE weekly_schedules ADD CONSTRAINT weekly_pickup_window CHECK(pickup_end IS NULL OR pickup_end > pickup);
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ALTER TABLE day_overrides ADD COLUMN pickup_end time;
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ALTER TABLE day_overrides ADD COLUMN pickup_slot_id uuid REFERENCES pickup_slots(id);
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ALTER TABLE day_overrides ADD CONSTRAINT override_pickup_window CHECK(pickup_end IS NULL OR (attending AND pickup_end > pickup));
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UPDATE weekly_schedules w SET pickup_slot_id = s.id, pickup_end = s.ends_at FROM pickup_slots s WHERE w.pickup = s.starts_at;
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UPDATE day_overrides o SET pickup_slot_id = s.id, pickup_end = s.ends_at FROM pickup_slots s WHERE o.pickup = s.starts_at;
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CREATE TABLE admission_rounds (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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name text NOT NULL,
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code_hash text NOT NULL UNIQUE,
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expires_on date NOT NULL,
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status text NOT NULL DEFAULT 'open' CHECK(status IN ('open', 'closed', 'drawn')),
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created_by uuid NOT NULL REFERENCES staff(id),
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created_at timestamptz NOT NULL DEFAULT now(),
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drawn_by uuid REFERENCES staff(id),
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drawn_at timestamptz,
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places integer CHECK(places > 0),
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CHECK ((status = 'drawn' AND drawn_at IS NOT NULL AND drawn_by IS NOT NULL AND places IS NOT NULL)
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OR (status <> 'drawn' AND drawn_at IS NULL AND drawn_by IS NULL AND places IS NULL))
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);
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CREATE TABLE applications (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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round_id uuid NOT NULL REFERENCES admission_rounds(id),
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first_name text NOT NULL,
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last_name text NOT NULL,
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class_name text NOT NULL,
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parent_name text NOT NULL,
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email text NOT NULL,
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notes text NOT NULL DEFAULT '',
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status text NOT NULL DEFAULT 'waiting' CHECK(status IN ('waiting', 'selected', 'waitlisted', 'accepted')),
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child_id uuid UNIQUE REFERENCES children(id),
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submitted_at timestamptz NOT NULL DEFAULT now(),
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accepted_at timestamptz,
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accepted_by uuid REFERENCES staff(id),
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CHECK ((status = 'accepted' AND child_id IS NOT NULL AND accepted_at IS NOT NULL AND accepted_by IS NOT NULL)
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OR (status <> 'accepted' AND child_id IS NULL AND accepted_at IS NULL AND accepted_by IS NULL))
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);
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CREATE UNIQUE INDEX application_unique_child ON applications(round_id, lower(first_name), lower(last_name), lower(email));
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CREATE INDEX applications_round ON applications(round_id, submitted_at, id);
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CREATE TABLE application_limits (
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key_hash text PRIMARY KEY,
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attempts integer NOT NULL,
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window_start timestamptz NOT NULL
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);
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