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squawk/ui/models/messagefeed.cpp

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/*
* Squawk messenger.
* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "messagefeed.h"
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#include "element.h"
#include "room.h"
#include <QDebug>
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const QHash<int, QByteArray> Models::MessageFeed::roles = {
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{Text, "text"},
{Sender, "sender"},
{Date, "date"},
{DeliveryState, "deliveryState"},
{Correction, "correction"},
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{SentByMe,"sentByMe"},
{Avatar, "avatar"}
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};
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Models::MessageFeed::MessageFeed(const Element* ri, QObject* parent):
QAbstractListModel(parent),
storage(),
indexById(storage.get<id>()),
indexByTime(storage.get<time>()),
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rosterItem(ri),
syncState(incomplete)
{
}
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Models::MessageFeed::~MessageFeed()
{
for (Shared::Message* message : storage) {
delete message;
}
}
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void Models::MessageFeed::addMessage(const Shared::Message& msg)
{
QString id = msg.getId();
StorageById::const_iterator itr = indexById.find(id);
if (itr != indexById.end()) {
qDebug() << "received more then one message with the same id, skipping yet the new one";
return;
}
Shared::Message* copy = new Shared::Message(msg);
StorageByTime::const_iterator tItr = indexByTime.upper_bound(msg.getTime());
int position;
if (tItr == indexByTime.end()) {
position = storage.size();
} else {
position = indexByTime.rank(tItr);
}
beginInsertRows(QModelIndex(), position, position);
storage.insert(copy);
endInsertRows();
}
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void Models::MessageFeed::changeMessage(const QString& id, const Shared::Message& msg)
{
}
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void Models::MessageFeed::removeMessage(const QString& id)
{
}
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QVariant Models::MessageFeed::data(const QModelIndex& index, int role) const
{
int i = index.row();
QVariant answer;
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StorageByTime::const_iterator itr = indexByTime.nth(i);
if (itr != indexByTime.end()) {
const Shared::Message* msg = *itr;
switch (role) {
case Qt::DisplayRole:
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case Text:
answer = msg->getBody();
break;
case Sender:
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if (rosterItem->isRoom()) {
if (sentByMe(*msg)) {
answer = rosterItem->getDisplayedName();
} else {
answer = msg->getFromResource();
}
} else {
if (sentByMe(*msg)) {
answer = rosterItem->getAccountName();
} else {
answer = rosterItem->getDisplayedName();
}
}
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break;
case Date:
answer = msg->getTime();
break;
case DeliveryState:
answer = static_cast<unsigned int>(msg->getState());
break;
case Correction:
answer = msg->getEdited();
break;
case SentByMe:
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answer = sentByMe(*msg);
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break;
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case Avatar: {
QString path;
if (sentByMe(*msg)) {
path = rosterItem->getAccountAvatarPath();
} else if (!rosterItem->isRoom()) {
if (rosterItem->getAvatarState() != Shared::Avatar::empty) {
path = rosterItem->getAvatarPath();
}
} else {
const Room* room = static_cast<const Room*>(rosterItem);
path = room->getParticipantIconPath(msg->getFromResource());
}
if (path.size() == 0) {
answer = Shared::iconPath("user", true);
} else {
answer = path;
}
}
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break;
default:
break;
}
}
return answer;
}
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int Models::MessageFeed::rowCount(const QModelIndex& parent) const
{
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return storage.size();
}
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unsigned int Models::MessageFeed::unreadMessagesCount() const
{
return storage.size(); //let's say they are all new for now =)
}
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bool Models::MessageFeed::canFetchMore(const QModelIndex& parent) const
{
return syncState == incomplete;
}
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void Models::MessageFeed::fetchMore(const QModelIndex& parent)
{
if (syncState == incomplete) {
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emit requestStateChange(true);
if (storage.size() == 0) {
emit requestArchive("");
} else {
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emit requestArchive((*indexByTime.rbegin())->getId());
}
}
}
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void Models::MessageFeed::responseArchive(const std::list<Shared::Message> list)
{
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Storage::size_type size = storage.size();
if (syncState == syncing) {
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emit requestStateChange(false);
}
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beginInsertRows(QModelIndex(), size, size + list.size() - 1);
for (const Shared::Message& msg : list) {
Shared::Message* copy = new Shared::Message(msg);
storage.insert(copy);
}
endInsertRows();
}
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QHash<int, QByteArray> Models::MessageFeed::roleNames() const
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{
return roles;
}
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bool Models::MessageFeed::sentByMe(const Shared::Message& msg) const
{
if (rosterItem->isRoom()) {
const Room* room = static_cast<const Room*>(rosterItem);
return room->getNick().toLower() == msg.getFromResource().toLower();
} else {
return msg.getOutgoing();
}
}