namespace tracking and creation

server/main.ts

@@ -120,6 +120,33 @@ router.route("/api/pack")
     return new Response(JSON.stringify({ packName }), { status: 200 });
   });
 
+router.route("/api/pack/namespaces")
+  .get(async () => {
+    using store = new BearMetalStore();
+
+    const namespaces = Array.from(Deno.readDirSync(store.get("packlocation")))
+      .filter((dir) => dir.isDirectory).map((dir) => dir.name);
+    return new Response(JSON.stringify(namespaces), { status: 200 });
+  })
+  .post(async (req) => {
+    using store = new BearMetalStore();
+
+    const namespace = await req.text();
+    if (!namespace) {
+      return new Response("Namespace is required", { status: 400 });
+    }
+
+    const namespaceRx = /^[a-zA-Z0-9_\-]+$/;
+    if (!namespaceRx.test(namespace)) {
+      return new Response(
+        "Namespace must only contain letters, numbers, underscores, and dashes",
+        { status: 400 },
+      );
+    }
+    await ensureDir(store.get("packlocation") + "/" + namespace);
+    return new Response(null, { status: 200 });
+  });
+
 router.route("/api/packs")
   .get(async () => {
     using store = new BearMetalStore();