utility: banner command

src/modules/utility.js

@@ -87,6 +87,48 @@ avatar.callback = async function (msg, line) {
 };
 hf.registerCommand(avatar);
 
+const banner = new Command("banner");
+banner.category = CATEGORY;
+banner.helpText = "Get banner of a user";
+banner.usage = "<user>";
+banner.callback = async function (msg, line) {
+  const color = getTopColor(msg, hf.bot.user.id, pastelize(hf.bot.user.id));
+
+  let id = msg.author.id;
+
+  if (line) {
+    const lookup = await lookupUser(msg, line);
+    if (
+      lookup == "No results" ||
+      lookup == "Canceled" ||
+      lookup == "Request timed out"
+    ) {
+      return lookup;
+    } else {
+      id = lookup.id;
+    }
+  }
+
+  const user = await hf.bot.requestHandler.request("GET", "/users/" + id, true);
+
+  if (!user.banner) return "This user does not have a banner.";
+
+  const url = `${BANNER_BASE}${user.id}/${user.banner}.${
+    user.banner.startsWith("a_") ? "gif?size=1024&_=.gif" : "png?size=1024"
+  }`;
+  return {
+    embed: {
+      color,
+      title: `Avatar for \`${user.username}#${user.discriminator}\``,
+      url,
+      image: {
+        url,
+      },
+    },
+  };
+};
+hf.registerCommand(banner);
+
 const lookupinvite = new Command("lookupinvite");
 lookupinvite.category = CATEGORY;
 lookupinvite.helpText = "Lookup an invite";