Respond to interaction with error feedback on command handler fail

helpers.go

@@ -307,18 +307,19 @@ func DumpResponse(res *http.Response) {
 
 // ResponseError responds to an interaction with an error message
 // TODO: Improve with a proper embed and colors
-func RespondError(session *discordgo.Session, interaction *discordgo.Interaction, message string, err error) {
+func RespondError(session *discordgo.Session, interaction *discordgo.Interaction, message string, err error) error {
 	// Optional: log the error
 	if err != nil {
 		log.Err(err).Msg(message)
 	}
 
-	session.InteractionRespond(interaction, &discordgo.InteractionResponse{
+	return session.InteractionRespond(interaction, &discordgo.InteractionResponse{
 		Type: discordgo.InteractionResponseChannelMessageWithSource,
 		Data: &discordgo.InteractionResponseData{
 			Content: message,
 		},
 	})
+
 }
 
 func GetFooter(time time.Time) *discordgo.MessageEmbedFooter {

main.go

@@ -158,11 +158,18 @@ func main() {
 			// Call handler
 			err := handler(internalSession, interaction)
 
-			// Log error
+			// Log & respond error
 			if err != nil {
 				// TODO: Find a way to merge the response with the handler's error
 				log.Error().Str("commandName", name).Err(err).Msg("Command Handler Error")
+
+				// Respond with error
+				err = RespondError(internalSession, interaction.Interaction, fmt.Sprintf("Unexpected Error: %s", err.Error()), nil)
+				if err != nil {
+					log.Error().Str("commandName", name).Err(err).Msg("Failed to respond with error feedback")
+				}
 			}
+
 		} else {
 			log.Error().Str("commandName", name).Msg("Command Interaction Has No Handler")