Remember last used channel when selected

2026-08-06 16:53:38 +02:00 · 2026-02-20 17:03:13 -08:00
parent 41bf4eb73a
commit f9eb46f2ab
7 changed files with 409 additions and 20 deletions
@@ -0,0 +1,103 @@
+import type { Conversation } from '../types';
+import { parseHashConversation } from './urlHash';
+
+export const REOPEN_LAST_CONVERSATION_KEY = 'remoteterm-reopen-last-conversation';
+export const LAST_VIEWED_CONVERSATION_KEY = 'remoteterm-last-viewed-conversation';
+
+const SUPPORTED_TYPES: Conversation['type'][] = ['contact', 'channel', 'raw', 'map', 'visualizer'];
+
+function isSupportedType(value: unknown): value is Conversation['type'] {
+  return typeof value === 'string' && SUPPORTED_TYPES.includes(value as Conversation['type']);
+}
+
+export function getReopenLastConversationEnabled(): boolean {
+  try {
+    return localStorage.getItem(REOPEN_LAST_CONVERSATION_KEY) === '1';
+  } catch {
+    return false;
+  }
+}
+
+export function setReopenLastConversationEnabled(enabled: boolean): void {
+  try {
+    if (enabled) {
+      localStorage.setItem(REOPEN_LAST_CONVERSATION_KEY, '1');
+      return;
+    }
+
+    localStorage.removeItem(REOPEN_LAST_CONVERSATION_KEY);
+    localStorage.removeItem(LAST_VIEWED_CONVERSATION_KEY);
+  } catch {
+    // localStorage may be unavailable
+  }
+}
+
+export function saveLastViewedConversation(conversation: Conversation): void {
+  try {
+    localStorage.setItem(LAST_VIEWED_CONVERSATION_KEY, JSON.stringify(conversation));
+  } catch {
+    // localStorage may be unavailable
+  }
+}
+
+export function getLastViewedConversation(): Conversation | null {
+  try {
+    const raw = localStorage.getItem(LAST_VIEWED_CONVERSATION_KEY);
+    if (!raw) return null;
+
+    const parsed = JSON.parse(raw) as Partial<Conversation>;
+    if (
+      !isSupportedType(parsed.type) ||
+      typeof parsed.id !== 'string' ||
+      typeof parsed.name !== 'string'
+    ) {
+      return null;
+    }
+
+    if (parsed.type !== 'map') {
+      return {
+        type: parsed.type,
+        id: parsed.id,
+        name: parsed.name,
+      };
+    }
+
+    return {
+      type: 'map',
+      id: parsed.id,
+      name: parsed.name,
+      ...(typeof parsed.mapFocusKey === 'string' && { mapFocusKey: parsed.mapFocusKey }),
+    };
+  } catch {
+    return null;
+  }
+}
+
+export function captureLastViewedConversationFromHash(): void {
+  const hashConversation = parseHashConversation();
+  if (!hashConversation) return;
+
+  if (hashConversation.type === 'raw') {
+    saveLastViewedConversation({ type: 'raw', id: 'raw', name: 'Raw Packet Feed' });
+    return;
+  }
+  if (hashConversation.type === 'map') {
+    saveLastViewedConversation({
+      type: 'map',
+      id: 'map',
+      name: 'Node Map',
+      ...(hashConversation.mapFocusKey && { mapFocusKey: hashConversation.mapFocusKey }),
+    });
+    return;
+  }
+  if (hashConversation.type === 'visualizer') {
+    saveLastViewedConversation({ type: 'visualizer', id: 'visualizer', name: 'Mesh Visualizer' });
+    return;
+  }
+
+  saveLastViewedConversation({
+    type: hashConversation.type,
+    id: hashConversation.name,
+    name: hashConversation.label || hashConversation.name,
+  });
+}