If dump does no write to file, output the result as log

internal/backends/dump/dump.go

@@ -73,14 +73,17 @@ func (b *DumpBackend) InitConfig(config *config.ServiceConfig) error {
 
 func (b *DumpBackend) StartImport() error { return nil }
 
-func (b *DumpBackend) FinishImport() error {
+func (b *DumpBackend) FinishImport(result *models.ImportResult) error {
 	if b.print {
 		out := new(strings.Builder)
 		_, err := io.Copy(out, b.buffer)
 		if err != nil {
 			return err
 		}
-		fmt.Println(out.String())
+
+		if result != nil {
+			result.Log(models.Output, out.String())
+		}
 	}
 
 	// Close the io writer if it is closable

internal/backends/import.go

@@ -107,7 +107,7 @@ func process[R models.LovesResult | models.ListensResult, P ImportProcessor[R]](
 
 	for exportResult := range results {
 		if err := ctx.Err(); err != nil {
-			processor.ImportBackend().FinishImport()
+			processor.ImportBackend().FinishImport(&result)
 			out <- handleError(result, err, progress)
 			return
 		}
@@ -116,14 +116,14 @@ func process[R models.LovesResult | models.ListensResult, P ImportProcessor[R]](
 			ctx, exportResult, result.Copy(), out, progress)
 		result.Update(&importResult)
 		if err != nil {
-			processor.ImportBackend().FinishImport()
+			processor.ImportBackend().FinishImport(&result)
 			out <- handleError(result, err, progress)
 			return
 		}
 		progress <- p.FromImportResult(result, false)
 	}
 
-	if err := processor.ImportBackend().FinishImport(); err != nil {
+	if err := processor.ImportBackend().FinishImport(&result); err != nil {
 		out <- handleError(result, err, progress)
 		return
 	}

internal/backends/jspf/jspf.go

@@ -90,7 +90,7 @@ func (b *JSPFBackend) StartImport() error {
 	return b.readJSPF()
 }
 
-func (b *JSPFBackend) FinishImport() error {
+func (b *JSPFBackend) FinishImport(result *models.ImportResult) error {
 	return b.writeJSPF()
 }
 

internal/backends/lastfm/lastfm.go

@@ -70,8 +70,10 @@ func (b *LastfmApiBackend) InitConfig(config *config.ServiceConfig) error {
 	return nil
 }
 
-func (b *LastfmApiBackend) StartImport() error  { return nil }
+func (b *LastfmApiBackend) StartImport() error { return nil }
-func (b *LastfmApiBackend) FinishImport() error { return nil }
+func (b *LastfmApiBackend) FinishImport(result *models.ImportResult) error {
+	return nil
+}
 
 func (b *LastfmApiBackend) OAuth2Strategy(redirectURL *url.URL) auth.OAuth2Strategy {
 	return lastfmStrategy{

internal/backends/listenbrainz/listenbrainz.go

@@ -73,8 +73,10 @@ func (b *ListenBrainzApiBackend) InitConfig(config *config.ServiceConfig) error
 	return nil
 }
 
-func (b *ListenBrainzApiBackend) StartImport() error  { return nil }
+func (b *ListenBrainzApiBackend) StartImport() error { return nil }
-func (b *ListenBrainzApiBackend) FinishImport() error { return nil }
+func (b *ListenBrainzApiBackend) FinishImport(result *models.ImportResult) error {
+	return nil
+}
 
 func (b *ListenBrainzApiBackend) ExportListens(ctx context.Context, oldestTimestamp time.Time, results chan models.ListensResult, progress chan models.TransferProgress) {
 	startTime := time.Now()

internal/backends/maloja/maloja.go

@@ -61,8 +61,10 @@ func (b *MalojaApiBackend) InitConfig(config *config.ServiceConfig) error {
 	return nil
 }
 
-func (b *MalojaApiBackend) StartImport() error  { return nil }
+func (b *MalojaApiBackend) StartImport() error { return nil }
-func (b *MalojaApiBackend) FinishImport() error { return nil }
+func (b *MalojaApiBackend) FinishImport(result *models.ImportResult) error {
+	return nil
+}
 
 func (b *MalojaApiBackend) ExportListens(ctx context.Context, oldestTimestamp time.Time, results chan models.ListensResult, progress chan models.TransferProgress) {
 	page := 0

internal/backends/scrobblerlog/scrobblerlog.go

@@ -126,7 +126,7 @@ func (b *ScrobblerLogBackend) StartImport() error {
 	return nil
 }
 
-func (b *ScrobblerLogBackend) FinishImport() error {
+func (b *ScrobblerLogBackend) FinishImport(result *models.ImportResult) error {
 	return b.file.Close()
 }
 

internal/cli/transfer.go

@@ -157,7 +157,11 @@ func (c *TransferCmd[E, I, R]) Transfer(exp backends.ExportProcessor[R], imp bac
 		fmt.Println()
 		fmt.Println(i18n.Tr("Import log:"))
 		for _, entry := range result.ImportLog {
-			fmt.Println(i18n.Tr("%v: %v", entry.Type, entry.Message))
+			if entry.Type != models.Output {
+				fmt.Println(i18n.Tr("%v: %v", entry.Type, entry.Message))
+			} else {
+				fmt.Println(entry.Message)
+			}
 		}
 	}
 

internal/models/interfaces.go

@@ -46,7 +46,7 @@ type ImportBackend interface {
 
 	// The implementation can perform all steps here to finalize the
 	// export/import and free used resources.
-	FinishImport() error
+	FinishImport(result *ImportResult) error
 }
 
 // Must be implemented by services supporting the export of listens.

internal/models/models.go

@@ -169,6 +169,7 @@ type LovesResult ExportResult[LovesList]
 type LogEntryType string
 
 const (
+	Output  LogEntryType = ""
 	Info    LogEntryType = "Info"
 	Warning LogEntryType = "Warning"
 	Error   LogEntryType = "Error"