init

workers/site/services/MetricsService.ts

@@ -0,0 +1,38 @@
+import { types, flow } from "mobx-state-tree";
+
+const MetricsService = types
+  .model("MetricsService", {
+    isCollectingMetrics: types.optional(types.boolean, true),
+  })
+  .volatile((self) => ({
+    env: {} as Env,
+    ctx: {} as ExecutionContext,
+  }))
+  .actions((self) => ({
+    setEnv(env: Env) {
+      self.env = env;
+    },
+    setCtx(ctx: ExecutionContext) {
+      self.ctx = ctx;
+    },
+    handleMetricsRequest: flow(function* (request: Request) {
+      const url = new URL(request.url);
+      const proxyUrl = `https://metrics.seemueller.io${url.pathname}${url.search}`;
+
+      try {
+        const response = yield fetch(proxyUrl, {
+          method: request.method,
+          headers: request.headers,
+          body: ["GET", "HEAD"].includes(request.method) ? null : request.body,
+          redirect: "follow",
+        });
+
+        return response;
+      } catch (error) {
+        console.error("Failed to proxy metrics request:", error);
+        return new Response("Failed to fetch metrics", { status: 500 });
+      }
+    }),
+  }));
+
+export default MetricsService;