add:get and delete func

internal/services/storage.go

@@ -2,9 +2,23 @@ package services
 
 import (
 	"fmt"
+	"os"
+	"path/filepath"
 	"strings"
+	"time"
 )
 
+// debugLog appends a timestamped line to /tmp/filepass-debug.log.
+// Safe to call from any goroutine; errors are silently ignored.
+func debugLog(format string, args ...any) {
+	f, err := os.OpenFile("/tmp/filepass-debug.log", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o644)
+	if err != nil {
+		return
+	}
+	defer f.Close()
+	fmt.Fprintf(f, "[%s] %s\n", time.Now().Format("15:04:05.000"), fmt.Sprintf(format, args...))
+}
+
 // StorageService executes file operations against a single server's storage.
 type StorageService struct {
 	server Server
@@ -30,6 +44,30 @@ func (s *StorageService) Check() ([]string, error) {
 	return strings.Split(raw, "\n"), nil
 }
 
+// Get downloads a single file from remote storage into destDir.
+func (s *StorageService) Get(filename, destDir string) error {
+	src := RemotePath(s.server, filename)
+	dst := filepath.Join(destDir, filename)
+	cmd := RsyncCmd(s.server, src, dst)
+	if out, err := cmd.CombinedOutput(); err != nil {
+		return fmt.Errorf("get failed: %w\n%s", err, strings.TrimSpace(string(out)))
+	}
+	return nil
+}
+
+// Delete removes a single file from remote storage.
+func (s *StorageService) Delete(filename string) error {
+	remoteCmd := "rm -f " + defaultStoragePath + "/" + shellQuote(filename)
+	cmd := SSHCmd(s.server, remoteCmd)
+	debugLog("Delete | args: %v", cmd.Args)
+	out, err := cmd.CombinedOutput()
+	debugLog("Delete | exit_err: %v | output: %q", err, strings.TrimSpace(string(out)))
+	if err != nil {
+		return fmt.Errorf("delete failed: %w\n%s", err, strings.TrimSpace(string(out)))
+	}
+	return nil
+}
+
 // Send transfers one or more local files to the remote storage.
 // Multiple files are archived into a temp tarball first.
 func (s *StorageService) Send(localPaths []string) error {
@@ -37,16 +75,8 @@ func (s *StorageService) Send(localPaths []string) error {
 	return fmt.Errorf("send: not yet implemented")
 }
 
-// Get downloads one or more files from remote storage to destDir.
-// Multiple files are archived server-side, transferred, then extracted.
-func (s *StorageService) Get(remoteFiles []string, destDir string) error {
+// CleanAll removes all files from remote storage.
+func (s *StorageService) CleanAll() error {
 	// TODO: implement
-	return fmt.Errorf("get: not yet implemented")
-}
-
-// Clean removes specific files from remote storage.
-// Pass a nil or empty slice to remove all files.
-func (s *StorageService) Clean(remoteFiles []string) error {
-	// TODO: implement
-	return fmt.Errorf("clean: not yet implemented")
+	return fmt.Errorf("clean all: not yet implemented")
 }