Add idiomatic error handling in mattermost commands (#9147)

cmd/mattermost/commands/config.go

@@ -90,9 +90,13 @@ func configSubpathCmdF(command *cobra.Command, args []string) error {
 	path, err := command.Flags().GetString("path")
 	if err != nil {
 		return errors.Wrap(err, "failed reading path")
-	} else if path == "" {
+	}
+
+	if path == "" {
 		return utils.UpdateAssetsSubpathFromConfig(a.Config())
-	} else if err := utils.UpdateAssetsSubpath(path); err != nil {
+	}
+
+	if err := utils.UpdateAssetsSubpath(path); err != nil {
 		return errors.Wrap(err, "failed to update assets subpath")
 	}
 

cmd/mattermost/commands/import.go

@@ -125,7 +125,9 @@ func bulkImportCmdF(command *cobra.Command, args []string) error {
 	if apply && validate {
 		CommandPrettyPrintln("Use only one of --apply or --validate.")
 		return nil
-	} else if apply && !validate {
+	}
+
+	if apply && !validate {
 		CommandPrettyPrintln("Running Bulk Import. This may take a long time.")
 	} else {
 		CommandPrettyPrintln("Running Bulk Import Data Validation.")
@@ -141,12 +143,12 @@ func bulkImportCmdF(command *cobra.Command, args []string) error {
 			CommandPrettyPrintln(fmt.Sprintf("Error occurred on data file line %v", lineNumber))
 		}
 		return err
+	}
+
+	if apply {
+		CommandPrettyPrintln("Finished Bulk Import.")
 	} else {
-		if apply {
-			CommandPrettyPrintln("Finished Bulk Import.")
-		} else {
-			CommandPrettyPrintln("Validation complete. You can now perform the import by rerunning this command with the --apply flag.")
-		}
+		CommandPrettyPrintln("Validation complete. You can now perform the import by rerunning this command with the --apply flag.")
 	}
 
 	return nil

cmd/mattermost/commands/message_export.go

@@ -78,23 +78,27 @@ func scheduleExportCmdF(command *cobra.Command, args []string) error {
 	}
 
 	// for now, format is hard-coded to actiance. In time, we'll have to support other formats and inject them into job data
-	if format, err := command.Flags().GetString("format"); err != nil {
+	format, err := command.Flags().GetString("format")
+	if err != nil {
 		return errors.New("format flag error")
-	} else if format != "actiance" {
+	}
+	if format != "actiance" {
 		return errors.New("unsupported export format")
 	}
 
 	startTime, err := command.Flags().GetInt64("exportFrom")
 	if err != nil {
 		return errors.New("exportFrom flag error")
-	} else if startTime < 0 {
+	}
+	if startTime < 0 {
 		return errors.New("exportFrom must be a positive integer")
 	}
 
 	timeoutSeconds, err := command.Flags().GetInt("timeoutSeconds")
 	if err != nil {
 		return errors.New("timeoutSeconds error")
-	} else if timeoutSeconds < 0 {
+	}
+	if timeoutSeconds < 0 {
 		return errors.New("timeoutSeconds must be a positive integer")
 	}
 
@@ -128,7 +132,8 @@ func buildExportCmdF(format string) func(command *cobra.Command, args []string)
 		startTime, err := command.Flags().GetInt64("exportFrom")
 		if err != nil {
 			return errors.New("exportFrom flag error")
-		} else if startTime < 0 {
+		}
+		if startTime < 0 {
 			return errors.New("exportFrom must be a positive integer")
 		}