Started ChatRoom getLastChatMessage

include/linphone/api/c-chat-room.h

@@ -202,6 +202,13 @@ LINPHONE_PUBLIC bctbx_list_t *linphone_chat_room_get_history_events (LinphoneCha
  */
 LINPHONE_PUBLIC bctbx_list_t *linphone_chat_room_get_history_range_events (LinphoneChatRoom *cr, int begin, int end);
 
+/**
+ * Gets the last chat message sent or received in this chat room
+ * @param[in] cr The #LinphoneChatRoom object corresponding to the conversation for which last message should be retrieved
+ * @return the latest #LinphoneChatMessage
+ */
+LINPHONE_PUBLIC LinphoneChatMessage *linphone_chat_room_get_last_message_in_history(LinphoneChatRoom *cr);
+
 LINPHONE_PUBLIC LinphoneChatMessage * linphone_chat_room_find_message(LinphoneChatRoom *cr, const char *message_id);
 
 /**

src/c-wrapper/api/c-chat-room.cpp

@@ -217,6 +217,10 @@ bctbx_list_t *linphone_chat_room_get_history_range_events (LinphoneChatRoom *cr,
 	);
 }
 
+LinphoneChatMessage *linphone_chat_room_get_last_message_in_history(LinphoneChatRoom *cr) {
+	return L_GET_C_BACK_PTR(L_GET_CPP_PTR_FROM_C_OBJECT(cr)->getLastMessageInHistory());
+}
+
 LinphoneChatMessage *linphone_chat_room_find_message (LinphoneChatRoom *cr, const char *message_id) {
 	return L_GET_C_BACK_PTR(L_GET_CPP_PTR_FROM_C_OBJECT(cr)->findMessage(message_id));
 }

src/chat/chat-room/chat-room.cpp

@@ -447,6 +447,10 @@ list<shared_ptr<ChatMessage> > ChatRoom::getHistoryRange (int startm, int endm)
 	return list<shared_ptr<ChatMessage>>();
 }
 
+shared_ptr<ChatMessage> ChatRoom::getLastMessageInHistory() const {
+	return getCore()->getPrivate()->mainDb->getLastChatMessage(getChatRoomId());
+}
+
 int ChatRoom::getUnreadChatMessagesCount () {
 	return getCore()->getPrivate()->mainDb->getUnreadChatMessagesCount(getChatRoomId());
 }

src/chat/chat-room/chat-room.h

@@ -58,6 +58,8 @@ public:
 
 	virtual CapabilitiesMask getCapabilities () const = 0;
 
+	std::shared_ptr<ChatMessage> getLastMessageInHistory() const;
+
 	// TODO: Remove useless functions.
 	void compose ();
 	std::shared_ptr<ChatMessage> createFileTransferMessage (const LinphoneContent *initialContent);

src/db/main-db.cpp

@@ -1389,6 +1389,11 @@ MainDb::MainDb (const shared_ptr<Core> &core) : AbstractDb(*new MainDbPrivate),
 		return list<shared_ptr<ChatMessage>>();
 	}
 
+	shared_ptr<ChatMessage> MainDb::getLastChatMessage(const ChatRoomId &chatRoomId) const {
+		// TODO.
+		return nullptr;
+	}
+
 	list<shared_ptr<EventLog>> MainDb::getHistory (const ChatRoomId &chatRoomId, int nLast, FilterMask mask) const {
 		return getHistoryRange(chatRoomId, 0, nLast - 1, mask);
 	}

src/db/main-db.h

@@ -77,6 +77,7 @@ public:
 	int getUnreadChatMessagesCount (const ChatRoomId &chatRoomId = ChatRoomId()) const;
 	void markChatMessagesAsRead (const ChatRoomId &chatRoomId = ChatRoomId()) const;
 	std::list<std::shared_ptr<ChatMessage>> getUnreadChatMessages (const ChatRoomId &chatRoomId = ChatRoomId()) const;
+	std::shared_ptr<ChatMessage> getLastChatMessage(const ChatRoomId &chatRoomId = ChatRoomId()) const;
 
 	// ---------------------------------------------------------------------------
 	// Conference events.