feat: use postgres

notification/internal/adapters/postgres/notificationstore/retention.go

@@ -0,0 +1,67 @@
+package notificationstore
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"time"
+
+	pgtable "galaxy/notification/internal/adapters/postgres/jet/notification/table"
+
+	pg "github.com/go-jet/jet/v2/postgres"
+)
+
+// DeleteRecordsOlderThan removes records rows whose `accepted_at` predates
+// cutoff. The records FK CASCADE clears the dependent routes and
+// dead_letters rows in the same statement.
+func (store *Store) DeleteRecordsOlderThan(ctx context.Context, cutoff time.Time) (int64, error) {
+	if store == nil {
+		return 0, errors.New("delete notification records: nil store")
+	}
+	operationCtx, cancel, err := store.operationContext(ctx, "delete notification records")
+	if err != nil {
+		return 0, err
+	}
+	defer cancel()
+
+	stmt := pgtable.Records.DELETE().
+		WHERE(pgtable.Records.AcceptedAt.LT(pg.TimestampzT(cutoff.UTC())))
+
+	query, args := stmt.Sql()
+	result, err := store.db.ExecContext(operationCtx, query, args...)
+	if err != nil {
+		return 0, fmt.Errorf("delete notification records: %w", err)
+	}
+	rows, err := result.RowsAffected()
+	if err != nil {
+		return 0, fmt.Errorf("delete notification records: rows affected: %w", err)
+	}
+	return rows, nil
+}
+
+// DeleteMalformedIntentsOlderThan removes malformed-intent rows whose
+// `recorded_at` predates cutoff.
+func (store *Store) DeleteMalformedIntentsOlderThan(ctx context.Context, cutoff time.Time) (int64, error) {
+	if store == nil {
+		return 0, errors.New("delete malformed intents: nil store")
+	}
+	operationCtx, cancel, err := store.operationContext(ctx, "delete malformed intents")
+	if err != nil {
+		return 0, err
+	}
+	defer cancel()
+
+	stmt := pgtable.MalformedIntents.DELETE().
+		WHERE(pgtable.MalformedIntents.RecordedAt.LT(pg.TimestampzT(cutoff.UTC())))
+
+	query, args := stmt.Sql()
+	result, err := store.db.ExecContext(operationCtx, query, args...)
+	if err != nil {
+		return 0, fmt.Errorf("delete malformed intents: %w", err)
+	}
+	rows, err := result.RowsAffected()
+	if err != nil {
+		return 0, fmt.Errorf("delete malformed intents: rows affected: %w", err)
+	}
+	return rows, nil
+}