Generalize goToMessage

src/app/routes.ts

@@ -1,6 +1,19 @@
 import type {Page} from "@sveltejs/kit"
+import {goto} from "$app/navigation"
+import {nthEq, sleep} from "@welshman/lib"
+import type {TrustedEvent} from "@welshman/util"
+import {tracker} from "@welshman/app"
+import {scrollToEvent} from "@lib/html"
 import {identity} from "@welshman/lib"
-import {makeChatId, decodeRelay, encodeRelay, userRoomsByUrl} from "@app/state"
+import {
+  getTagValue,
+  DIRECT_MESSAGE,
+  DIRECT_MESSAGE_FILE,
+  MESSAGE,
+  THREAD,
+  EVENT_TIME,
+} from "@welshman/util"
+import {makeChatId, decodeRelay, encodeRelay, userRoomsByUrl, ROOM} from "@app/state"
 
 export const makeSpacePath = (url: string, ...extra: (string | undefined)[]) => {
   let path = `/spaces/${encodeRelay(url)}`
@@ -46,3 +59,50 @@ export const getPrimaryNavItemIndex = ($page: Page) => {
       return 0
   }
 }
+
+export const goToMessage = async (url: string, room: string | undefined, id: string) => {
+  await goto(room ? makeRoomPath(url, room) : makeSpacePath(url, "chat"))
+  await sleep(300)
+
+  return scrollToEvent(id)
+}
+
+export const goToEvent = async (event: TrustedEvent) => {
+  if (event.kind === DIRECT_MESSAGE || event.kind === DIRECT_MESSAGE_FILE) {
+    return await scrollToEvent(event.id)
+  }
+
+  const [url] = tracker.getRelays(event.id)
+  const room = getTagValue(ROOM, event.tags)
+
+  if (url) {
+    if (event.kind === THREAD) {
+      return goto(makeThreadPath(url, event.id))
+    }
+
+    if (event.kind === EVENT_TIME) {
+      return goto(makeCalendarPath(url, event.id))
+    }
+
+    if (event.kind === MESSAGE) {
+      return goToMessage(url, room, event.id)
+    }
+
+    const kind = event.tags.find(nthEq(0, "K"))?.[1]
+    const id = event.tags.find(nthEq(0, "E"))?.[1]
+
+    if (id && kind) {
+      if (parseInt(kind) === THREAD) {
+        return goto(makeThreadPath(url, id))
+      }
+
+      if (parseInt(kind) === EVENT_TIME) {
+        return goto(makeCalendarPath(url, id))
+      }
+
+      if (parseInt(kind) === MESSAGE) {
+        return goToMessage(url, room, id)
+      }
+    }
+  }
+}