Updates: Fix chat composer visible after join (#6633)

src/api/gramjs/apiBuilders/chats.ts

@@ -217,9 +217,24 @@ function buildApiChatRestrictions(peerEntity: Entity): {
     };
   }
 
-  const restrictions = {};
+  const restrictions: {
+    isNotJoined?: boolean;
+    isForbidden?: boolean;
+    isRestricted?: boolean;
+    restrictionReasons?: ApiRestrictionReason[];
+  } = {};
 
-  if ('restricted' in peerEntity && !peerEntity.min) {
+  const isMin = 'min' in peerEntity && peerEntity.min;
+  const hasRestricted = 'restricted' in peerEntity;
+
+  if (!isMin) {
+    Object.assign(restrictions, {
+      isForbidden: undefined,
+      isRestricted: undefined,
+    });
+  }
+
+  if (hasRestricted && !isMin) {
     const restrictionReasons = buildApiRestrictionReasons(peerEntity.restrictionReason);
 
     Object.assign(restrictions, {

src/api/gramjs/updates/mtpUpdateHandler.ts

@@ -243,6 +243,16 @@ export function updater(update: Update) {
             },
           });
         }
+      } else if (action instanceof GramJs.MessageActionChatJoinedByLink) {
+        const { fromId } = update.message;
+        if (fromId instanceof GramJs.PeerUser && update._entities?.some((e): e is GramJs.User => (
+          e instanceof GramJs.User && Boolean(e.self) && e.id === fromId.userId
+        ))) {
+          sendApiUpdate({
+            '@type': 'updateChatJoin',
+            id: message.chatId,
+          });
+        }
       } else if (action instanceof GramJs.MessageActionChatAddUser) {
         if (update._entities && update._entities.some((e): e is GramJs.User => (
           e instanceof GramJs.User && Boolean(e.self) && action.users.includes(e.id)

src/global/actions/apiUpdaters/chats.ts

@@ -124,7 +124,8 @@ addActionHandler('apiUpdate', (global, actions, update): ActionReturnType => {
       const listType = selectChatListType(global, update.id);
       const chat = selectChat(global, update.id);
 
-      global = updateChat(global, update.id, { isNotJoined: false });
+      global = updateChat(global, update.id, { isNotJoined: false, isForbidden: false });
+
       setGlobal(global);
 
       if (chat) {