cleanup metadata generation

src/common/embed-fallback.ts

@@ -1,23 +0,0 @@
-import { Metadata } from "next";
-
-type Fallback = {
-  title: string;
-  description: string;
-};
-
-/**
- * Generates metadata for a fallback embed.
- *
- * @param title the title of the embed
- * @param description the description of the embed
- * @returns the metadata for the embed
- */
-export function embedFallback({ title, description }: Fallback): Metadata {
-  return {
-    title: `${title}`,
-    openGraph: {
-      title: `${title}`,
-      description: description,
-    },
-  };
-}

src/common/embed.ts

@@ -0,0 +1,37 @@
+import { Metadata } from "next";
+
+type Embed = {
+  title: string;
+  description: string;
+  image?: string | null;
+};
+
+/**
+ * Generates metadata for a embed.
+ *
+ * @param title the title of the embed
+ * @param description the description of the embed
+ * @returns the metadata for the embed
+ */
+export function generateEmbed({ title, description, image }: Embed): Metadata {
+  const metadata: Metadata = {
+    title: `${title}`,
+    openGraph: {
+      title: `${title}`,
+      description: description,
+    },
+    twitter: {
+      card: "summary",
+    },
+  };
+
+  if (image) {
+    metadata.openGraph!.images = [
+      {
+        url: image || "",
+      },
+    ];
+  }
+
+  return metadata;
+}