feat: dashboard

src/utils.ts

@@ -2,6 +2,7 @@ import { NostrEvent, NostrLink, TaggedNostrEvent } from "@snort/system";
 
 import type { Tags } from "@/types";
 import { LIVE_STREAM } from "@/const";
+import { StreamState } from ".";
 
 export function toAddress(e: NostrEvent): string {
   if (e.kind && e.kind >= 30000 && e.kind <= 40000) {
@@ -82,3 +83,43 @@ export function uniqBy<T>(vals: Array<T>, key: (x: T) => string) {
 export function getPlaceholder(id: string) {
   return `https://robohash.v0l.io/${id}.png`;
 }
+
+interface StreamInfo {
+  title?: string;
+  summary?: string;
+  image?: string;
+  status?: string;
+  stream?: string;
+  recording?: string;
+  contentWarning?: string;
+  tags?: Array<string>;
+  goal?: string;
+  participants?: string;
+  starts?: string;
+  ends?: string;
+}
+export function extractStreamInfo(ev?: NostrEvent) {
+  const ret = {} as StreamInfo;
+  const matchTag = (tag: Array<string>, k: string, into: (v: string) => void) => {
+    if (tag[0] === k) {
+      into(tag[1]);
+    }
+  };
+
+  for (const t of ev?.tags ?? []) {
+    matchTag(t, "title", v => (ret.title = v));
+    matchTag(t, "summary", v => (ret.summary = v));
+    matchTag(t, "image", v => (ret.image = v));
+    matchTag(t, "status", v => (ret.status = v));
+    matchTag(t, "streaming", v => (ret.stream = v));
+    matchTag(t, "recording", v => (ret.recording = v));
+    matchTag(t, "content-warning", v => (ret.contentWarning = v));
+    matchTag(t, "current_participants", v => (ret.participants = v));
+    matchTag(t, "goal", v => (ret.goal = v));
+    matchTag(t, "starts", v => (ret.starts = v));
+    matchTag(t, "ends", v => (ret.ends = v));
+  }
+  ret.tags = ev?.tags.filter(a => a[0] === "t").map(a => a[1]) ?? [];
+
+  return ret;
+}