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/identityserverhelper.cpp

@@ -0,0 +1,121 @@
+// SPDX-FileCopyrightText: 2024 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 "identityserverhelper.h"
+
+#include <QNetworkReply>
+
+#include <KLocalizedString>
+
+#include <Quotient/networkaccessmanager.h>
+
+#include "neochatconnection.h"
+
+using namespace Qt::StringLiterals;
+
+IdentityServerHelper::IdentityServerHelper(QObject *parent)
+    : QObject(parent)
+{
+}
+
+NeoChatConnection *IdentityServerHelper::connection() const
+{
+    return m_connection;
+}
+
+void IdentityServerHelper::setConnection(NeoChatConnection *connection)
+{
+    if (m_connection == connection) {
+        return;
+    }
+
+    if (m_connection != nullptr) {
+        m_connection->disconnect(this);
+    }
+
+    m_connection = connection;
+    Q_EMIT connectionChanged();
+}
+
+QString IdentityServerHelper::url() const
+{
+    return m_url;
+}
+
+void IdentityServerHelper::setUrl(const QString &url)
+{
+    if (url == m_url) {
+        return;
+    }
+    m_url = url;
+    Q_EMIT urlChanged();
+
+    checkUrl();
+}
+
+IdentityServerHelper::IdServerStatus IdentityServerHelper::status() const
+{
+    return m_status;
+}
+
+void IdentityServerHelper::checkUrl()
+{
+    if (m_idServerCheckRequest != nullptr) {
+        m_idServerCheckRequest->abort();
+        m_idServerCheckRequest.clear();
+    }
+
+    if (m_url == m_connection->identityServer().toString()) {
+        m_status = Match;
+        Q_EMIT statusChanged();
+        return;
+    }
+
+    if (m_url.isEmpty()) {
+        m_status = Valid;
+        Q_EMIT statusChanged();
+        return;
+    }
+
+    const auto requestUrl = QUrl(m_url + u"/_matrix/identity/v2"_s);
+    if (!(requestUrl.scheme() == u"https"_s || requestUrl.scheme() == u"http"_s)) {
+        m_status = Invalid;
+        Q_EMIT statusChanged();
+        return;
+    }
+
+    QNetworkRequest request(requestUrl);
+    m_idServerCheckRequest = Quotient::NetworkAccessManager::instance()->get(request);
+    connect(m_idServerCheckRequest, &QNetworkReply::finished, this, [this]() {
+        if (m_idServerCheckRequest->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt() == 200) {
+            m_status = Valid;
+            Q_EMIT statusChanged();
+        } else {
+            m_status = Invalid;
+            Q_EMIT statusChanged();
+        }
+    });
+}
+
+void IdentityServerHelper::setIdentityServer()
+{
+    if (m_url == m_connection->identityServer().toString()) {
+        return;
+    }
+
+    m_connection->setAccountData(u"m.identity_server"_s, {{"base_url"_L1, m_url}});
+    m_status = Ready;
+    Q_EMIT statusChanged();
+}
+
+void IdentityServerHelper::clearIdentityServer()
+{
+    if (m_connection->identityServer().isEmpty()) {
+        return;
+    }
+    m_connection->setAccountData(u"m.identity_server"_s, {{"base_url"_L1, QString()}});
+    m_status = Ready;
+    Q_EMIT statusChanged();
+}
+
+#include "moc_identityserverhelper.cpp"