presence: game icon large image fallback (client behavior)

src/modules/utility/presence.js

@@ -316,7 +316,35 @@ presence.callback = async function (msg, line) {
               smallUrl = CDNEndpoints.APP_ASSET(activity.application_id, activity.assets.small_image);
             }
 
-            thumbnail = fixMediaProxyURL(smallUrl);
+            const game = Games.find((game) => game.id == activity.application_id);
+            if (game?.icon) {
+              const gameIcon = `${CDNEndpoints.APP_ICON(game.id, game.icon)}?keep_aspect_ratio=false`;
+              image_links.push({label: "App Icon", url: gameIcon});
+
+              const largeImage = await fetch(gameIcon)
+                .then((res) => res.arrayBuffer())
+                .then((b) => Buffer.from(b));
+              const presenceImage = sharp(largeImage).resize(100, 100);
+              const smallImage = await fetch(smallUrl)
+                .then((res) => res.arrayBuffer())
+                .then((b) => Buffer.from(b));
+              const smallImageBuffer = await sharp(smallImage).resize(32, 32).toBuffer();
+
+              presenceImage.composite([
+                {
+                  input: smallImageBuffer,
+                  gravity: "southeast",
+                },
+              ]);
+
+              files.push({
+                contents: await presenceImage.toBuffer(),
+                name: `${index}.png`,
+              });
+              thumbnail = `attachment://${index}.png`;
+            } else {
+              thumbnail = fixMediaProxyURL(smallUrl);
+            }
             image_links.push({label: "Small Image", url: thumbnail});
           }
         }