改 state 为 reducer state, Context 共享数据修改, 完善资料卡对话框逻辑, 完善

client/ui/MainSharedReducer.ts

@@ -0,0 +1,21 @@
+import { Chat, UserMySelf } from "lingchair-client-protocol"
+
+export interface SharedState {
+    favouriteChats: Chat[]
+    currentSelectedChatId: string
+}
+
+type Action =
+    | { type: 'update_favourite_chat', data: Chat[] }
+    | { type: 'update_selected_chat_id', data: string }
+
+export default function MainSharedReducer(state: SharedState, action: Action): SharedState {
+    switch (action.type) {
+        case 'update_favourite_chat':
+            return { ...state, favouriteChats: action.data }
+        case 'update_selected_chat_id':
+            return { ...state, currentSelectedChatId: action.data }
+        default:
+            return state
+    }
+}