music: implement queue command

src/modules/music.js

@@ -596,7 +596,42 @@ command.callback = async function (msg, line) {
       };
     }
     case "queue":
-    case "q":
+    case "q": {
+      if (!voiceStorage.has(msg.guildID))
+        return "The bot is not in a voice channel";
+
+      const connection = voiceStorage.get(msg.guildID);
+      const queue = connection._music_queue;
+      if (queue.length === 0) return "Nothing else is currently queued";
+
+      const nowPlaying = connection._music_nowplaying;
+
+      const now = Date.now();
+      let nextTrack = now + (nowPlaying.length - (now - nowPlaying.start));
+      const fields = [];
+      for (const index in queue.slice(0, 8)) {
+        const item = queue[index];
+        fields.push({
+          name: item.title ? `[${item.title}](${item.url})` : item.url,
+          value: `${formatTime(item.length)}\nAdded by: <@${
+            item.addedBy
+          }>\n<t:${nextTrack}:R>`,
+          inline: true,
+        });
+        nextTrack += item.length;
+      }
+
+      return {
+        embed: {
+          title: "Currently Queued",
+          color: 0x0088cc,
+          fields,
+          footer: {
+            text: queue.length > 9 ? `Showing 9/${queue.length}` : "",
+          },
+        },
+      };
+    }
     case "remove":
     case "qr":
     case "lock":