forked from blue/squawk
569 lines
18 KiB
C++
569 lines
18 KiB
C++
/*
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* Squawk messenger.
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* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "messagefeed.h"
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#include "element.h"
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#include "room.h"
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#include <QDebug>
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const QHash<int, QByteArray> Models::MessageFeed::roles = {
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{Text, "text"},
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{Sender, "sender"},
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{Date, "date"},
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{DeliveryState, "deliveryState"},
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{Correction, "correction"},
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{SentByMe,"sentByMe"},
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{Avatar, "avatar"},
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{Attach, "attach"},
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{Id, "id"},
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{Error, "error"},
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{Bulk, "bulk"}
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};
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Models::MessageFeed::MessageFeed(const Element* ri, QObject* parent):
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QAbstractListModel(parent),
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storage(),
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indexById(storage.get<id>()),
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indexByTime(storage.get<time>()),
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rosterItem(ri),
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syncState(incomplete),
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uploads(),
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downloads(),
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unreadMessages(new std::set<QString>()),
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observersAmount(0)
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{
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}
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Models::MessageFeed::~MessageFeed()
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{
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delete unreadMessages;
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for (Shared::Message* message : storage) {
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delete message;
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}
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}
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void Models::MessageFeed::addMessage(const Shared::Message& msg)
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{
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QString id = msg.getId();
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StorageById::const_iterator itr = indexById.find(id);
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if (itr != indexById.end()) {
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qDebug() << "received more then one message with the same id, skipping yet the new one";
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return;
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}
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Shared::Message* copy = new Shared::Message(msg);
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StorageByTime::const_iterator tItr = indexByTime.upper_bound(msg.getTime());
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int position;
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if (tItr == indexByTime.end()) {
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position = storage.size();
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} else {
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position = indexByTime.rank(tItr);
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}
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beginInsertRows(QModelIndex(), position, position);
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storage.insert(copy);
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endInsertRows();
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emit newMessage(msg);
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if (observersAmount == 0 && !msg.getForwarded()) { //not to notify when the message is delivered by the carbon copy
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unreadMessages->insert(msg.getId()); //cuz it could be my own one or the one I read on another device
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emit unreadMessagesCountChanged();
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emit unnoticedMessage(msg);
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}
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}
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void Models::MessageFeed::changeMessage(const QString& id, const QMap<QString, QVariant>& data)
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{
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StorageById::iterator itr = indexById.find(id);
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if (itr == indexById.end()) {
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qDebug() << "received a command to change a message, but the message couldn't be found, skipping";
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return;
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}
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Shared::Message* msg = *itr;
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std::set<MessageRoles> changeRoles = detectChanges(*msg, data);
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QModelIndex index = modelIndexByTime(id, msg->getTime());
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Shared::Message::Change functor(data);
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bool success = indexById.modify(itr, functor);
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if (!success) {
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qDebug() << "received a command to change a message, but something went wrong modifying message in the feed, throwing error";
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throw 872;
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}
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if (functor.hasIdBeenModified()) {
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changeRoles.insert(MessageRoles::Id);
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std::set<QString>::const_iterator umi = unreadMessages->find(id);
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if (umi != unreadMessages->end()) {
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unreadMessages->erase(umi);
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unreadMessages->insert(msg->getId());
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}
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}
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if (changeRoles.size() > 0) {
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//change message is a final event in download/upload event train
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//only after changeMessage we can consider the download is done
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Progress::const_iterator dItr = downloads.find(id);
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bool attachOrError = changeRoles.count(MessageRoles::Attach) > 0 || changeRoles.count(MessageRoles::Error);
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if (dItr != downloads.end()) {
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if (attachOrError) {
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downloads.erase(dItr);
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} else if (changeRoles.count(MessageRoles::Id) > 0) {
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qreal progress = dItr->second;
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downloads.erase(dItr);
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downloads.insert(std::make_pair(msg->getId(), progress));
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}
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} else {
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dItr = uploads.find(id);
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if (dItr != uploads.end()) {
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if (attachOrError) {
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uploads.erase(dItr);
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} else if (changeRoles.count(MessageRoles::Id) > 0) {
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qreal progress = dItr->second;
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uploads.erase(dItr);
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uploads.insert(std::make_pair(msg->getId(), progress));
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}
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}
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}
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QVector<int> cr;
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for (MessageRoles role : changeRoles) {
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cr.push_back(role);
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}
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emit dataChanged(index, index, cr);
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}
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}
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std::set<Models::MessageFeed::MessageRoles> Models::MessageFeed::detectChanges(const Shared::Message& msg, const QMap<QString, QVariant>& data) const
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{
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std::set<MessageRoles> roles;
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Shared::Message::State state = msg.getState();
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QMap<QString, QVariant>::const_iterator itr = data.find("state");
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if (itr != data.end() && static_cast<Shared::Message::State>(itr.value().toUInt()) != state) {
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roles.insert(MessageRoles::DeliveryState);
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}
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itr = data.find("outOfBandUrl");
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bool att = false;
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if (itr != data.end() && itr.value().toString() != msg.getOutOfBandUrl()) {
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roles.insert(MessageRoles::Attach);
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att = true;
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}
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if (!att) {
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itr = data.find("attachPath");
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if (itr != data.end() && itr.value().toString() != msg.getAttachPath()) {
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roles.insert(MessageRoles::Attach);
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}
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}
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if (state == Shared::Message::State::error) {
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itr = data.find("errorText");
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if (itr != data.end() && itr.value().toString() != msg.getErrorText()) {
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roles.insert(MessageRoles::Error);
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}
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}
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itr = data.find("body");
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if (itr != data.end() && itr.value().toString() != msg.getBody()) {
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QMap<QString, QVariant>::const_iterator dItr = data.find("stamp");
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QDateTime correctionDate;
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if (dItr != data.end()) {
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correctionDate = dItr.value().toDateTime();
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} else {
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correctionDate = QDateTime::currentDateTimeUtc(); //in case there is no information about time of this correction it's applied
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}
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if (!msg.getEdited() || msg.getLastModified() < correctionDate) {
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roles.insert(MessageRoles::Text);
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roles.insert(MessageRoles::Correction);
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}
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}
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return roles;
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}
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void Models::MessageFeed::removeMessage(const QString& id)
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{
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}
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QVariant Models::MessageFeed::data(const QModelIndex& index, int role) const
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{
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int i = index.row();
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QVariant answer;
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StorageByTime::const_iterator itr = indexByTime.nth(i);
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if (itr != indexByTime.end()) {
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const Shared::Message* msg = *itr;
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switch (role) {
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case Qt::DisplayRole:
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case Text: {
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QString body = msg->getBody();
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if (body != msg->getOutOfBandUrl()) {
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answer = body;
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}
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}
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break;
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case Sender:
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if (sentByMe(*msg)) {
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answer = rosterItem->getAccountName();
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} else {
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if (rosterItem->isRoom()) {
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answer = msg->getFromResource();
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} else {
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answer = rosterItem->getDisplayedName();
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}
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}
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break;
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case Date:
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answer = msg->getTime();
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break;
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case DeliveryState:
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answer = static_cast<unsigned int>(msg->getState());
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break;
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case Correction:
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answer = msg->getEdited();
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break;
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case SentByMe:
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answer = sentByMe(*msg);
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break;
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case Avatar: {
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QString path;
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if (sentByMe(*msg)) {
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path = rosterItem->getAccountAvatarPath();
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} else if (!rosterItem->isRoom()) {
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if (rosterItem->getAvatarState() != Shared::Avatar::empty) {
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path = rosterItem->getAvatarPath();
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}
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} else {
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const Room* room = static_cast<const Room*>(rosterItem);
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path = room->getParticipantIconPath(msg->getFromResource());
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}
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if (path.size() == 0) {
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answer = Shared::iconPath("user", true);
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} else {
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answer = path;
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}
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}
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break;
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case Attach:
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answer.setValue(fillAttach(*msg));
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break;
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case Id:
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answer.setValue(msg->getId());
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break;
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break;
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case Error:
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answer.setValue(msg->getErrorText());
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break;
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case Bulk: {
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FeedItem item;
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item.id = msg->getId();
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std::set<QString>::const_iterator umi = unreadMessages->find(item.id);
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if (umi != unreadMessages->end()) {
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unreadMessages->erase(umi);
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emit unreadMessagesCount();
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}
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item.sentByMe = sentByMe(*msg);
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item.date = msg->getTime();
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item.state = msg->getState();
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item.error = msg->getErrorText();
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item.correction = msg->getEdited();
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QString body = msg->getBody();
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if (body != msg->getOutOfBandUrl()) {
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item.text = body;
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}
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item.avatar.clear();
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if (item.sentByMe) {
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item.sender = rosterItem->getAccountName();
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item.avatar = rosterItem->getAccountAvatarPath();
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} else {
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if (rosterItem->isRoom()) {
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item.sender = msg->getFromResource();
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const Room* room = static_cast<const Room*>(rosterItem);
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item.avatar = room->getParticipantIconPath(msg->getFromResource());
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} else {
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item.sender = rosterItem->getDisplayedName();
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if (rosterItem->getAvatarState() != Shared::Avatar::empty) {
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item.avatar = rosterItem->getAvatarPath();
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}
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}
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}
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if (item.avatar.size() == 0) {
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item.avatar = Shared::iconPath("user", true);
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}
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item.attach = fillAttach(*msg);
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answer.setValue(item);
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}
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break;
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default:
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break;
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}
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}
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return answer;
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}
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int Models::MessageFeed::rowCount(const QModelIndex& parent) const
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{
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return storage.size();
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}
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unsigned int Models::MessageFeed::unreadMessagesCount() const
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{
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return unreadMessages->size();
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}
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bool Models::MessageFeed::canFetchMore(const QModelIndex& parent) const
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{
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return syncState == incomplete;
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}
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void Models::MessageFeed::fetchMore(const QModelIndex& parent)
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{
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if (syncState == incomplete) {
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syncState = syncing;
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emit syncStateChange(syncState);
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emit requestStateChange(true);
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if (storage.size() == 0) {
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emit requestArchive("");
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} else {
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emit requestArchive((*indexByTime.rbegin())->getId());
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}
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}
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}
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void Models::MessageFeed::responseArchive(const std::list<Shared::Message> list, bool last)
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{
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Storage::size_type size = storage.size();
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beginInsertRows(QModelIndex(), size, size + list.size() - 1);
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for (const Shared::Message& msg : list) {
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Shared::Message* copy = new Shared::Message(msg);
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storage.insert(copy);
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}
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endInsertRows();
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if (syncState == syncing) {
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if (last) {
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syncState = complete;
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} else {
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syncState = incomplete;
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}
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emit syncStateChange(syncState);
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emit requestStateChange(false);
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}
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}
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QModelIndex Models::MessageFeed::index(int row, int column, const QModelIndex& parent) const
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{
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if (!hasIndex(row, column, parent)) {
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return QModelIndex();
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}
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StorageByTime::iterator itr = indexByTime.nth(row);
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if (itr != indexByTime.end()) {
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Shared::Message* msg = *itr;
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return createIndex(row, column, msg);
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} else {
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return QModelIndex();
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}
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}
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QHash<int, QByteArray> Models::MessageFeed::roleNames() const
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{
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return roles;
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}
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bool Models::MessageFeed::sentByMe(const Shared::Message& msg) const
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{
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if (rosterItem->isRoom()) {
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const Room* room = static_cast<const Room*>(rosterItem);
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return room->getNick().toLower() == msg.getFromResource().toLower();
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} else {
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return msg.getOutgoing();
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}
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}
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Models::Attachment Models::MessageFeed::fillAttach(const Shared::Message& msg) const
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{
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::Models::Attachment att;
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att.localPath = msg.getAttachPath();
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att.remotePath = msg.getOutOfBandUrl();
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if (att.remotePath.size() == 0) {
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if (att.localPath.size() == 0) {
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att.state = none;
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} else {
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Progress::const_iterator itr = uploads.find(msg.getId());
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if (itr == uploads.end()) {
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att.state = local;
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} else {
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att.state = uploading;
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att.progress = itr->second;
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}
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}
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} else {
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if (att.localPath.size() == 0) {
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Progress::const_iterator itr = downloads.find(msg.getId());
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if (itr == downloads.end()) {
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att.state = remote;
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} else {
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att.state = downloading;
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att.progress = itr->second;
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}
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} else {
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att.state = ready;
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}
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}
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return att;
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}
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void Models::MessageFeed::downloadAttachment(const QString& messageId)
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{
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QModelIndex ind = modelIndexById(messageId);
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if (ind.isValid()) {
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std::pair<Progress::iterator, bool> progressPair = downloads.insert(std::make_pair(messageId, 0));
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if (progressPair.second) { //Only to take action if we weren't already downloading it
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Shared::Message* msg = static_cast<Shared::Message*>(ind.internalPointer());
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emit dataChanged(ind, ind, {MessageRoles::Attach});
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emit fileDownloadRequest(msg->getOutOfBandUrl());
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} else {
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qDebug() << "Attachment download for message with id" << messageId << "is already in progress, skipping";
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}
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} else {
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qDebug() << "An attempt to download an attachment for the message that doesn't exist. ID:" << messageId;
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}
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}
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void Models::MessageFeed::uploadAttachment(const QString& messageId)
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{
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qDebug() << "request to upload attachment of the message" << messageId;
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}
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bool Models::MessageFeed::registerUpload(const QString& messageId)
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{
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return uploads.insert(std::make_pair(messageId, 0)).second;
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}
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void Models::MessageFeed::fileProgress(const QString& messageId, qreal value, bool up)
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{
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Progress* pr = 0;
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if (up) {
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pr = &uploads;
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} else {
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pr = &downloads;
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}
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Progress::iterator itr = pr->find(messageId);
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if (itr != pr->end()) {
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itr->second = value;
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QModelIndex ind = modelIndexById(messageId);
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emit dataChanged(ind, ind); //the type of the attach didn't change, so, there is no need to relayout, there is no role in event
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}
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}
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void Models::MessageFeed::fileComplete(const QString& messageId, bool up)
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{
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fileProgress(messageId, 1, up);
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}
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void Models::MessageFeed::fileError(const QString& messageId, const QString& error, bool up)
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{
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//TODO
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}
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void Models::MessageFeed::incrementObservers()
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{
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++observersAmount;
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}
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void Models::MessageFeed::decrementObservers()
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{
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--observersAmount;
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}
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QModelIndex Models::MessageFeed::modelIndexById(const QString& id) const
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{
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StorageById::const_iterator itr = indexById.find(id);
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if (itr != indexById.end()) {
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Shared::Message* msg = *itr;
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return modelIndexByTime(id, msg->getTime());
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}
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return QModelIndex();
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}
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QModelIndex Models::MessageFeed::modelIndexByTime(const QString& id, const QDateTime& time) const
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{
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StorageByTime::const_iterator tItr = indexByTime.upper_bound(time);
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StorageByTime::const_iterator tBeg = indexByTime.begin();
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bool found = false;
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while (tItr != tBeg) {
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if (id == (*tItr)->getId()) {
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found = true;
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break;
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}
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--tItr;
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}
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if (found || id == (*tItr)->getId()) {
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int position = indexByTime.rank(tItr);
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return createIndex(position, 0, *tItr);
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}
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return QModelIndex();
|
|
}
|
|
|
|
void Models::MessageFeed::reportLocalPathInvalid(const QString& messageId)
|
|
{
|
|
StorageById::iterator itr = indexById.find(messageId);
|
|
if (itr == indexById.end()) {
|
|
qDebug() << "received a command to change a message, but the message couldn't be found, skipping";
|
|
return;
|
|
}
|
|
|
|
Shared::Message* msg = *itr;
|
|
|
|
emit localPathInvalid(msg->getAttachPath());
|
|
|
|
//gonna change the message in current model right away, to prevent spam on each attemt to draw element
|
|
QModelIndex index = modelIndexByTime(messageId, msg->getTime());
|
|
msg->setAttachPath("");
|
|
|
|
emit dataChanged(index, index, {MessageRoles::Attach});
|
|
}
|
|
|
|
Models::MessageFeed::SyncState Models::MessageFeed::getSyncState() const
|
|
{
|
|
return syncState;
|
|
}
|