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https://github.com/MultiMC/MultiMC5.git
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2660418d58
Meta index will now always return valid objects. They just might never load if they don't exist on the server.
149 lines
3.3 KiB
C++
149 lines
3.3 KiB
C++
/* Copyright 2015-2017 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "Index.h"
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#include "VersionList.h"
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#include "JsonFormat.h"
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namespace Meta
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{
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Index::Index(QObject *parent)
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: QAbstractListModel(parent)
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{
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}
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Index::Index(const QVector<VersionListPtr> &lists, QObject *parent)
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: QAbstractListModel(parent), m_lists(lists)
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{
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for (int i = 0; i < m_lists.size(); ++i)
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{
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m_uids.insert(m_lists.at(i)->uid(), m_lists.at(i));
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connectVersionList(i, m_lists.at(i));
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}
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}
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QVariant Index::data(const QModelIndex &index, int role) const
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{
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if (index.parent().isValid() || index.row() < 0 || index.row() >= m_lists.size())
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{
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return QVariant();
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}
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VersionListPtr list = m_lists.at(index.row());
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switch (role)
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{
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case Qt::DisplayRole:
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switch (index.column())
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{
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case 0: return list->humanReadable();
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default: break;
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}
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case UidRole: return list->uid();
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case NameRole: return list->name();
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case ListPtrRole: return QVariant::fromValue(list);
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}
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return QVariant();
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}
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int Index::rowCount(const QModelIndex &parent) const
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{
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return m_lists.size();
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}
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int Index::columnCount(const QModelIndex &parent) const
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{
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return 1;
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}
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QVariant Index::headerData(int section, Qt::Orientation orientation, int role) const
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{
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if (orientation == Qt::Horizontal && role == Qt::DisplayRole && section == 0)
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{
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return tr("Name");
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}
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else
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{
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return QVariant();
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}
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}
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bool Index::hasUid(const QString &uid) const
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{
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return m_uids.contains(uid);
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}
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VersionListPtr Index::get(const QString &uid)
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{
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VersionListPtr out = m_uids.value(uid, nullptr);
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if(!out)
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{
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out = std::make_shared<VersionList>(uid);
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m_uids[uid] = out;
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}
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return out;
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}
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VersionPtr Index::get(const QString &uid, const QString &version)
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{
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auto list = get(uid);
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return list->getVersion(version);
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}
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void Index::parse(const QJsonObject& obj)
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{
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parseIndex(obj, this);
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}
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void Index::merge(const Ptr &other)
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{
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const QVector<VersionListPtr> lists = std::dynamic_pointer_cast<Index>(other)->m_lists;
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// initial load, no need to merge
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if (m_lists.isEmpty())
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{
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beginResetModel();
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m_lists = lists;
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for (int i = 0; i < lists.size(); ++i)
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{
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m_uids.insert(lists.at(i)->uid(), lists.at(i));
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connectVersionList(i, lists.at(i));
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}
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endResetModel();
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}
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else
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{
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for (const VersionListPtr &list : lists)
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{
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if (m_uids.contains(list->uid()))
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{
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m_uids[list->uid()]->merge(list);
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}
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else
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{
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beginInsertRows(QModelIndex(), m_lists.size(), m_lists.size());
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connectVersionList(m_lists.size(), list);
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m_lists.append(list);
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m_uids.insert(list->uid(), list);
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endInsertRows();
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}
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}
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}
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}
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void Index::connectVersionList(const int row, const VersionListPtr &list)
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{
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connect(list.get(), &VersionList::nameChanged, this, [this, row]()
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{
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emit dataChanged(index(row), index(row), QVector<int>() << Qt::DisplayRole);
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});
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}
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}
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