refactor main, and fix bugs from initial manual run

Signed-off-by: Ava Affine <ava@sunnypup.io>

internal/discord/commands.go

@@ -1,6 +1,7 @@
 package discord
 
 import (
+	"fmt"
 	"time"
 
 	"github.com/bwmarrin/discordgo"
@@ -42,11 +43,18 @@ var (
 		i *discordgo.InteractionCreate,
 	) {
 		"confessional": func(s *discordgo.Session, i *discordgo.InteractionCreate) {
-			state.PublishEvent(state.ConfessionsChannelLinkEvent{
+			if err := state.PublishEvent(state.ConfessionsChannelLinkEvent{
 				GuildID: i.GuildID,
 				ChannelID: i.ChannelID,
 				Created: time.Now(),
-			})
+			}); err != nil {
+				logging.Error(fmt.Sprintf(
+					"failed to publish confession channel link: %s",
+					err.Error(),
+				))
+			} else {
+				logging.Info("published confession channel link")
+			}
 		},
 
 		// handle a confession
@@ -68,6 +76,10 @@ func handleCommand(s *discordgo.Session, e *discordgo.InteractionCreate) {
 	} else {
 		logging.Debug("no handler for command: %s", name)
 	}
+
+	s.InteractionRespond(e.Interaction, &discordgo.InteractionResponse{
+		// TODO: Some silent ACK
+	})
 }
 
 func registerCommands(s *discordgo.Session) {
@@ -79,12 +91,12 @@ func registerCommands(s *discordgo.Session) {
 		)
 
 		if err != nil {
-			logging.Error(
-				"Failed to register commands for guild",
-				guild.ID, ": ", err.Error(),
-			)
+			logging.Error(fmt.Sprintf(
+				"Failed to register commands for guild %s: %s",
+				guild.ID, err.Error(),
+			))
 		} else {
-			logging.Info("Registered commands for guild ", guild.ID)
+			logging.Info(fmt.Sprintf("Registered commands for guild %s", guild.ID))
 			registeredCommands[guild.ID] = cmds
 		}
 	}
@@ -98,15 +110,15 @@ func deregisterCommands(s *discordgo.Session) {
 				guild,
 				cmd.ID,
 			); err != nil {
-				logging.Error(
-					"Failed to delete", cmd.Name, "command (id:", cmd.ID,
-					") from guild ", guild,
-				)
+				logging.Error(fmt.Sprintf(
+					"Failed to delete %s command (id: %s) from guild %s",
+					cmd.Name, cmd.ID, guild,
+				))
 			} else {
-				logging.Info(
-					"Deregistered command ", cmd.Name,"(id:", cmd.ID,
-					") from guild ", guild,
-				)
+				logging.Info(fmt.Sprintf(
+					"Deregistered command %s (id: %s) from guild %s",
+					cmd.Name, cmd.ID, guild,
+				))
 			}
 		}
 	}