feat: checkpoint

platform/server/socket.ts

@@ -0,0 +1,50 @@
+import { logger } from "@platform/logger";
+import { context } from "@platform/relay";
+import { storage } from "@platform/storage";
+import { toJsonRpc } from "@valkyr/json-rpc";
+
+import type { Api } from "./api.ts";
+
+/**
+ * TODO ...
+ */
+export function upgradeWebSocket(request: Request, _api: Api) {
+  const { socket, response } = Deno.upgradeWebSocket(request);
+
+  socket.addEventListener("open", () => {
+    logger.prefix("Socket").info("socket connected", {});
+    context.sockets.add(socket);
+  });
+
+  socket.addEventListener("close", () => {
+    logger.prefix("Socket").info("socket disconnected", {});
+    context.sockets.del(socket);
+  });
+
+  socket.addEventListener("message", (event) => {
+    if (event.data === "ping") {
+      return;
+    }
+
+    const message = toJsonRpc(event.data);
+
+    logger.prefix("Socket").info(message);
+
+    storage.run({}, async () => {
+      // api
+      //   .send(body)
+      //   .then((response) => {
+      //     if (response !== undefined) {
+      //       logger.info({ response });
+      //       socket.send(JSON.stringify(response));
+      //     }
+      //   })
+      //   .catch((error) => {
+      //     logger.info({ error });
+      //     socket.send(JSON.stringify(error));
+      //   });
+    });
+  });
+
+  return response;
+}