Chats: handle null last_message

app/soapbox/actions/importer/normalizer.js

@@ -83,9 +83,10 @@ export function normalizePoll(poll) {
 
 export function normalizeChat(chat, normalOldChat) {
   const normalChat   = { ...chat };
+  const { account, last_message: lastMessage } = chat;
 
-  normalChat.account = chat.account.id;
-  normalChat.last_message = chat.last_message.id;
+  if (account) normalChat.account = account.id;
+  if (lastMessage) normalChat.last_message = lastMessage.id;
 
   return normalChat;
 }

app/soapbox/features/account_timeline/components/header.js

@@ -100,6 +100,7 @@ export default class Header extends ImmutablePureComponent {
           onBlock={this.handleBlock}
           onMention={this.handleMention}
           onDirect={this.handleDirect}
+          onMessage={this.handleMessage}
           onReblogToggle={this.handleReblogToggle}
           onReport={this.handleReport}
           onMute={this.handleMute}

app/soapbox/reducers/chat_message_lists.js

@@ -26,14 +26,19 @@ const importMessages = (state, chatMessages) => (
 
 const importLastMessages = (state, chats) =>
   state.withMutations(mutable =>
-    chats.forEach(chat => importMessage(mutable, chat.last_message)));
+    chats.forEach(chat => {
+      if (chat.last_message) importMessage(mutable, chat.last_message);
+    }));
 
 export default function chatMessageLists(state = initialState, action) {
   switch(action.type) {
   case CHATS_FETCH_SUCCESS:
     return importLastMessages(state, action.chats);
   case STREAMING_CHAT_UPDATE:
-    return importMessages(state, [action.chat.last_message]);
+    if (action.chat.last_message)
+      return importMessages(state, [action.chat.last_message]);
+    else
+      return state;
   case CHAT_MESSAGES_FETCH_SUCCESS:
     return updateList(state, action.chatId, action.chatMessages.map(chat => chat.id).reverse());
   case CHAT_MESSAGE_SEND_SUCCESS:

app/soapbox/reducers/chat_messages.js

@@ -18,7 +18,10 @@ const importMessages = (state, messages) =>
 
 const importLastMessages = (state, chats) =>
   state.withMutations(mutable =>
-    chats.forEach(chat => importMessage(mutable, chat.get('last_message'))));
+    chats.forEach(chat => {
+      if (chat.get('last_message'))
+        importMessage(mutable, chat.get('last_message'));
+    }));
 
 export default function chatMessages(state = initialState, action) {
   switch(action.type) {