From 812d01edbd929c4d6140ed54a49cd493e9ab2b06 Mon Sep 17 00:00:00 2001
From: Max Isom <hi@maxisom.me>
Date: Thu, 16 Dec 2021 15:18:50 -0500
Subject: [PATCH] Handle if queue reply is deleted

---
 src/bot.ts                           | 13 ++++---
 src/services/updating-queue-embed.ts | 55 ++++++++++++++++++++++------
 2 files changed, 52 insertions(+), 16 deletions(-)

diff --git a/src/bot.ts b/src/bot.ts
index 6152d2f..b9c31a7 100644
--- a/src/bot.ts
+++ b/src/bot.ts
@@ -70,11 +70,14 @@ export default class {
       } catch (error: unknown) {
         debug(error);
 
-        if (interaction.replied || interaction.deferred) {
-          await interaction.editReply(errorMsg('something went wrong'));
-        } else {
-          await interaction.reply({content: errorMsg(error as Error), ephemeral: true});
-        }
+        // This can fail if the message was deleted, and we don't want to crash the whole bot
+        try {
+          if (interaction.replied || interaction.deferred) {
+            await interaction.editReply(errorMsg('something went wrong'));
+          } else {
+            await interaction.reply({content: errorMsg(error as Error), ephemeral: true});
+          }
+        } catch {}
       }
     });
 
diff --git a/src/services/updating-queue-embed.ts b/src/services/updating-queue-embed.ts
index 31d58ff..6496fb5 100644
--- a/src/services/updating-queue-embed.ts
+++ b/src/services/updating-queue-embed.ts
@@ -1,4 +1,4 @@
-import {CommandInteraction, MessageActionRow, MessageButton, MessageEmbed} from 'discord.js';
+import {CommandInteraction, MessageActionRow, MessageButton, MessageEmbed, DiscordAPIError} from 'discord.js';
 import getYouTubeID from 'get-youtube-id';
 import getProgressBar from '../utils/get-progress-bar.js';
 import {prettyTime} from '../utils/time.js';
@@ -40,13 +40,23 @@ export default class {
    * @param interaction
    */
   async createFromInteraction(interaction: CommandInteraction) {
-    this.interaction = interaction;
-    this.currentPage = 1;
+    const oldInteraction = this.interaction;
 
-    await interaction.reply({
-      embeds: [this.buildEmbed()],
-      components: this.buildButtons(this.player),
-    });
+    this.resetState();
+
+    this.interaction = interaction;
+
+    await Promise.all([
+      interaction.reply({
+        embeds: [this.buildEmbed()],
+        components: this.buildButtons(this.player),
+      }),
+      (async () => {
+        if (oldInteraction) {
+          await oldInteraction.deleteReply();
+        }
+      })(),
+    ]);
 
     if (!this.refreshTimeout) {
       this.refreshTimeout = setInterval(async () => this.update(), REFRESH_INTERVAL_MS);
@@ -58,10 +68,23 @@ export default class {
       this.currentPage = 1;
     }
 
-    await this.interaction?.editReply({
-      embeds: [this.buildEmbed()],
-      components: this.buildButtons(this.player),
-    });
+    try {
+      await this.interaction?.editReply({
+        embeds: [this.buildEmbed()],
+        components: this.buildButtons(this.player),
+      });
+    } catch (error: unknown) {
+      if (error instanceof DiscordAPIError) {
+        // Interaction / message was deleted
+        if (error.code === 10008) {
+          this.resetState();
+
+          return;
+        }
+      }
+
+      throw error;
+    }
   }
 
   async pageBack() {
@@ -80,6 +103,16 @@ export default class {
     await this.update();
   }
 
+  private resetState() {
+    if (this.refreshTimeout) {
+      clearInterval(this.refreshTimeout);
+      this.refreshTimeout = undefined;
+    }
+
+    this.currentPage = 1;
+    this.interaction = undefined;
+  }
+
   private buildButtons(player: Player): MessageActionRow[] {
     const queuePageControls = new MessageActionRow()
       .addComponents(