Move remaining code to app module

There's still some stuff that could potentially go elsewhere but I think it's enough for now.

src/app/models/serverlistmodel.cpp

@@ -0,0 +1,182 @@
+// SPDX-FileCopyrightText: 2022 James Graham <james.h.graham@protonmail.com>
+// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+
+#include "serverlistmodel.h"
+
+#include <QDebug>
+
+#include <KConfig>
+#include <KConfigGroup>
+#include <KSharedConfig>
+
+#include "neochatconnection.h"
+
+using namespace Qt::StringLiterals;
+
+ServerListModel::ServerListModel(QObject *parent)
+    : QAbstractListModel(parent)
+{
+}
+
+QVariant ServerListModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid()) {
+        return {};
+    }
+
+    if (index.row() >= m_servers.count()) {
+        qDebug() << "ServerListModel, something's wrong: index.row() >= m_notificationRules.count()";
+        return {};
+    }
+
+    if (role == UrlRole) {
+        return m_servers.at(index.row()).url;
+    }
+
+    if (role == IsHomeServerRole) {
+        return m_servers.at(index.row()).isHomeServer;
+    }
+
+    if (role == IsAddServerDelegateRole) {
+        return m_servers.at(index.row()).isAddServerDelegate;
+    }
+
+    if (role == IsDeletableRole) {
+        return m_servers.at(index.row()).isDeletable;
+    }
+
+    return {};
+}
+
+int ServerListModel::rowCount(const QModelIndex &parent) const
+{
+    Q_UNUSED(parent)
+
+    return m_servers.count();
+}
+
+void ServerListModel::checkServer(const QString &url)
+{
+    const auto stateConfig = KSharedConfig::openStateConfig();
+    const KConfigGroup serverGroup = stateConfig->group(u"Servers"_s);
+
+    if (!serverGroup.hasKey(url)) {
+        if (Quotient::isJobPending(m_checkServerJob)) {
+            m_checkServerJob->abandon();
+        }
+
+        m_checkServerJob = m_connection->callApi<Quotient::QueryPublicRoomsJob>(url, 1);
+        connect(m_checkServerJob, &Quotient::BaseJob::success, this, [this, url] {
+            Q_EMIT serverCheckComplete(url, true);
+        });
+    }
+}
+
+void ServerListModel::addServer(const QString &url)
+{
+    const auto stateConfig = KSharedConfig::openStateConfig();
+    KConfigGroup serverGroup = stateConfig->group(u"Servers"_s);
+
+    if (!serverGroup.hasKey(url)) {
+        Server newServer = Server{
+            url,
+            false,
+            false,
+            true,
+        };
+
+        beginInsertRows(QModelIndex(), m_servers.count() - 1, m_servers.count() - 1);
+        m_servers.insert(rowCount() - 1, newServer);
+        endInsertRows();
+    }
+
+    serverGroup.writeEntry(url, url);
+    stateConfig->sync();
+}
+
+void ServerListModel::removeServerAtIndex(int row)
+{
+    const auto stateConfig = KSharedConfig::openStateConfig();
+    KConfigGroup serverGroup = stateConfig->group(u"Servers"_s);
+
+    serverGroup.deleteEntry(data(index(row), UrlRole).toString());
+
+    beginRemoveRows(QModelIndex(), row, row);
+    m_servers.removeAt(row);
+    endRemoveRows();
+
+    stateConfig->sync();
+}
+
+QHash<int, QByteArray> ServerListModel::roleNames() const
+{
+    return {
+        {UrlRole, QByteArrayLiteral("url")},
+        {IsHomeServerRole, QByteArrayLiteral("isHomeServer")},
+        {IsAddServerDelegateRole, QByteArrayLiteral("isAddServerDelegate")},
+        {IsDeletableRole, QByteArrayLiteral("isDeletable")},
+    };
+}
+
+NeoChatConnection *ServerListModel::connection() const
+{
+    return m_connection;
+}
+
+void ServerListModel::setConnection(NeoChatConnection *connection)
+{
+    if (m_connection == connection) {
+        return;
+    }
+    m_connection = connection;
+    Q_EMIT connectionChanged();
+
+    initialize();
+}
+
+void ServerListModel::initialize()
+{
+    if (m_connection == nullptr) {
+        return;
+    }
+
+    beginResetModel();
+    const auto stateConfig = KSharedConfig::openStateConfig();
+    const KConfigGroup serverGroup = stateConfig->group(u"Servers"_s);
+
+    QString domain = m_connection->domain();
+
+    // Add the user's homeserver
+    m_servers.append(Server{
+        domain,
+        true,
+        false,
+        false,
+    });
+    // Add matrix.org
+    m_servers.append(Server{
+        u"matrix.org"_s,
+        false,
+        false,
+        false,
+    });
+    // Add each of the saved custom servers
+    for (const auto &i : serverGroup.keyList()) {
+        m_servers.append(Server{
+            serverGroup.readEntry(i, QString()),
+            false,
+            false,
+            true,
+        });
+    }
+    // Add add server delegate entry
+    m_servers.append(Server{
+        QString(),
+        false,
+        true,
+        false,
+    });
+    beginResetModel();
+}
+
+#include "moc_serverlistmodel.cpp"