Notification summary

packages/system-web/src/index.ts

@@ -0,0 +1,40 @@
+import { NostrEvent, MetadataCache, RelayMetrics, UsersRelays } from "@snort/system";
+import Dexie, { Table } from "dexie";
+
+const NAME = "snort-system";
+const VERSION = 2;
+
+const STORES = {
+  users: "++pubkey, name, display_name, picture, nip05, npub",
+  relayMetrics: "++addr",
+  userRelays: "++pubkey",
+  events: "++id, pubkey, created_at",
+};
+
+export class SnortSystemDb extends Dexie {
+  ready = false;
+  users!: Table<MetadataCache>;
+  relayMetrics!: Table<RelayMetrics>;
+  userRelays!: Table<UsersRelays>;
+  events!: Table<NostrEvent>;
+
+  constructor() {
+    super(NAME);
+    this.version(VERSION).stores(STORES);
+  }
+
+  isAvailable() {
+    if ("indexedDB" in window) {
+      return new Promise<boolean>(resolve => {
+        const req = window.indexedDB.open("dummy", 1);
+        req.onsuccess = () => {
+          resolve(true);
+        };
+        req.onerror = () => {
+          resolve(false);
+        };
+      });
+    }
+    return Promise.resolve(false);
+  }
+}