UI_Client/SourceFiles/Chats/fetchChats.cpp - master - Shymer123/Messenger

UI_Client/SourceFiles/Chats/fetchChats.cpp
117 строк4 KB
Shymer123
the code has been refactored (now there are no incomprehensible 'UserRole + n') so far only in the list of chats and the list of messages
09 май 2025, 05:48
09 май 2025, 05:48f0d1c4e
#include "fetchChats.h"
#include "RequestResponseHandler/dependencyManager.h"
#include "DataModels/user_data.h"
#include "DataModels/chat_data.h"
#include "SharedEnums/ChatTypes.h"
#include <QJsonObject>
#include <QJsonArray>

FetchChats::FetchChats()
{
    m_communicationHandler = DependencyManager::instance().communicationHandler();
    m_userID = UserData::instance().getID();
}

void FetchChats::getSingleChat(const int chatID, std::function<void(const QVariantList&)> callback) const
{
    m_communicationHandler->getSingleChat(chatID);

    disconnect(m_communicationHandler, &CommunicationHandler::getSingleChatReceived, nullptr, nullptr);
    connect(m_communicationHandler, &CommunicationHandler::getSingleChatReceived,
            [callback](const QJsonObject& response)
    {
        MessageType lastMessageType = static_cast<MessageType>(
                                                    response.value("lastMessageType").toInt());
        QDateTime lastMessageDateTime = QDateTime::fromString(response.value("lastMessageTime").toString(),
                                                              "yyyy-MM-dd HH:mm:ss");
        QString lastMessage;
        if(lastMessageType == MessageType::Text)
        {
            lastMessage = response.value("lastMessage").toString();
        }
        else if(lastMessageType == MessageType::File)
        {
            lastMessage = "files";
        }

        QVariantList chatSummaryInfo;
        chatSummaryInfo.append(lastMessage);
        chatSummaryInfo.append(static_cast<int>(lastMessageType));
        chatSummaryInfo.append(lastMessageDateTime);

        callback(chatSummaryInfo);
    });
}

void FetchChats::getAllChatsList(std::function<void(const QList<ChatData>&)> callback) const
{
    m_communicationHandler->getChats(m_userID);

    disconnect(m_communicationHandler, &CommunicationHandler::getChatsReceived, nullptr, nullptr);
    connect(m_communicationHandler, &CommunicationHandler::getChatsReceived,
            [callback](const QJsonObject& response)
    {
        QJsonArray chatArray = response.value("chats").toArray();
        QList<ChatData> chatList;

        for(const QJsonValue& chatValue : std::as_const(chatArray))
        {
            QJsonObject chatObject = chatValue.toObject();

            ChatData data;

            ChatTypes chatType = static_cast<ChatTypes>
                                        (chatObject.value("chatType").toInt());
            int id = chatObject.value("id").toInt();
            MessageType lastMessageType = static_cast<MessageType>
                                                    (chatObject.value("lastMessageType").toInt());
            QDateTime lastMessageTime = QDateTime::fromString(chatObject.value("lastMessageTime").toString(), "yyyy-MM-dd HH:mm:ss");

            QString lastMessage;
            if(lastMessageType == MessageType::Text)
            {
                lastMessage = chatObject.value("lastMessage").toString();
            }
            else if(lastMessageType == MessageType::File)
            {
                lastMessage = "files";
            }

            switch (chatType)
            {
                case ChatTypes::Dialog: {
                    QString title = chatObject.value("title").toString();
                    int participantID = chatObject.value("participantID").toInt();
                    data.setTitle(title);
                    data.setParticipantID(participantID);
                    break;
                }
                case ChatTypes::Favourite: {
                    QString title = tr("Saved Messages");
                    data.setTitle(title);
                    break;
                }
                case ChatTypes::Group: {
                    QString title = chatObject.value("title").toString();
                    MemberRole memberRole = static_cast<MemberRole>
                        (chatObject.value("memberRole").toInt());
                    data.setTitle(title);
                    data.setMemberRole(memberRole);
                    break;
                }
                case ChatTypes::Unknown:
                    break;
            }

            data.setChatType(chatType);
            data.setChatID(id);
            data.setAvatar(QPixmap());
            data.setLastMessage(lastMessage);
            data.setLastMessageTime(lastMessageTime);

            chatList.append(data);
        }

        callback(chatList);
    });
}