feat(dl): improve logging for deleted groups/channels and skipped messages

Author: powerfulsaber

app/dl/dl.go

@@ -168,21 +168,20 @@ func Run(ctx context.Context, c *telegram.Client, kvd storage.Storage, opts Opti
 		}
 	}
 
-	// Show summary of skipped files
+	// Display information of skipped messages and files
 	if it.skippedDB > 0 || it.skippedName > 0 {
-		color.Yellow("\nDownload Summary:")
 		if it.skippedDB > 0 {
 			if it.skippedDB == it.totalCount {
-				color.Yellow("All %d messages were skipped (already in database)", it.skippedDB)
+				color.Green("All messages were skipped")
 			} else {
-				color.Yellow("Skipped %d/%d messages (already in database)", it.skippedDB, it.totalCount)
+				color.Green("Skipped %d/%d messages", it.skippedDB, it.totalCount)
 			}
 		}
 		if it.skippedName > 0 {
 			if it.skippedName == it.totalCount {
-				color.Yellow("All %d files were skipped (already exist)", it.skippedName)
+				color.Green("All files were skipped")
 			} else {
-				color.Yellow("Skipped %d/%d files (already exist)", it.skippedName, it.totalCount)
+				color.Green("Skipped %d/%d files", it.skippedName, it.totalCount)
 			}
 		}
 	}

app/dl/iter.go

@@ -260,8 +260,8 @@ func (i *iter) process(ctx context.Context) (ret bool, skip bool) {
 			os.Exit(1)
 		}
 
-		i.err = errors.Wrap(err, "resolve message")
-		return false, false
+		color.Red("Channel or group is unavailable")
+		os.Exit(1)
 	}
 
 	if _, ok := message.GetGroupedID(); ok && i.opts.Group {