refactor: share .records file discovery (ask u3)

Extract ListNonEmptyFiles and HostFromFileName into internal/recordsdir
for aggregate and storage ImportFromDir. Behavior unchanged.

Made-with: Cursor

1 files changed, 40 insertions, 0 deletions

diff --git a/internal/recordsdir/recordsdir.go b/internal/recordsdir/recordsdir.go
new file mode 100644
index 0000000..9f3ce5b
--- /dev/null
+++ b/internal/recordsdir/recordsdir.go
@@ -0,0 +1,40 @@
+package recordsdir
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+type Entry struct {
+	Path string
+	Host string
+}
+
+func HostFromFileName(name string) string {
+	host := strings.TrimSuffix(name, filepath.Ext(name))
+	if idx := strings.Index(host, "."); idx > 0 {
+		host = host[:idx]
+	}
+	return host
+}
+
+func ListNonEmptyFiles(dir string) ([]Entry, error) {
+	entries, err := os.ReadDir(dir)
+	if err != nil {
+		return nil, err
+	}
+	var out []Entry
+	for _, e := range entries {
+		if e.IsDir() || !strings.HasSuffix(e.Name(), ".records") {
+			continue
+		}
+		path := filepath.Join(dir, e.Name())
+		info, err := os.Stat(path)
+		if err != nil || info.Size() == 0 {
+			continue
+		}
+		out = append(out, Entry{Path: path, Host: HostFromFileName(e.Name())})
+	}
+	return out, nil
+}