fix: id not init in some cases

Author: fengkx

source/middlewares/user_allow_list.ts

@@ -7,12 +7,11 @@ import { isSome } from '../types/option';
 export default async (ctx: MContext, next: Next) => {
     let id: number;
     switch (ctx.updateType) {
-        case 'message':
-            id = ctx.message.chat.id;
-            break;
         case 'callback_query':
             id = ctx.callbackQuery.from.id;
             break;
+        default:
+            id = ctx.chat.id;
     }
     const user = await getUserById(id);
     if (isSome(user)) ctx.state.lang = user.value.lang;

test/test-data/ctx/send-error-ctx.ts

@@ -1,4 +1,4 @@
-export const messageCtx = {
+const messageCtx: any = {
     state: {}, // wait for data
     updateType: 'message',
     updateSubTypes: ['text'],
@@ -48,3 +48,20 @@ export const messageCtx = {
         text: 'Processing, please wait for a while'
     })
 };
+
+// https://github.com/telegraf/telegraf/blob/master/context.js#L123
+Object.defineProperty(messageCtx, 'chat', {
+    get(): any {
+        return (
+            (messageCtx.message && messageCtx.message.chat) ||
+            (messageCtx.editedMessage && messageCtx.editedMessage.chat) ||
+            (messageCtx.callbackQuery &&
+                messageCtx.callbackQuery.message &&
+                messageCtx.callbackQuery.message.chat) ||
+            (messageCtx.channelPost && messageCtx.channelPost.chat) ||
+            (messageCtx.editedChannelPost && messageCtx.editedChannelPost.chat)
+        );
+    }
+});
+
+export { messageCtx };