Move all timeline relevant models and classes to the module

src/timeline/models/searchmodel.h

@@ -0,0 +1,74 @@
+// SPDX-FileCopyrightText: 2022 Tobias Fella <tobias.fella@kde.org>
+// SPDX-License-Identifier: LGPL-2.0-or-later
+
+#pragma once
+
+#include <QAbstractListModel>
+#include <QQmlEngine>
+
+#include <Quotient/csapi/search.h>
+
+#include "messagemodel.h"
+
+namespace Quotient
+{
+class Connection;
+}
+
+class NeoChatRoom;
+
+/**
+ * @class SearchModel
+ *
+ * This class defines the model for visualising the results of a room message search.
+ */
+class SearchModel : public MessageModel
+{
+    Q_OBJECT
+    QML_ELEMENT
+
+    /**
+     * @brief The text to search messages for.
+     */
+    Q_PROPERTY(QString searchText READ searchText WRITE setSearchText NOTIFY searchTextChanged)
+
+    /**
+     * @brief Whether the model is currently searching for messages.
+     */
+    Q_PROPERTY(bool searching READ searching NOTIFY searchingChanged)
+
+public:
+    explicit SearchModel(QObject *parent = nullptr);
+
+    QString searchText() const;
+    void setSearchText(const QString &searchText);
+
+    bool searching() const;
+
+    /**
+     * @brief Number of rows in the model.
+     *
+     * @sa QAbstractItemModel::rowCount
+     */
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+
+    /**
+     * @brief Start searching for messages.
+     */
+    Q_INVOKABLE void search();
+
+Q_SIGNALS:
+    void searchTextChanged();
+    void roomChanged();
+    void searchingChanged();
+
+private:
+    std::optional<std::reference_wrapper<const Quotient::RoomEvent>> getEventForIndex(QModelIndex index) const override;
+
+    void setSearching(bool searching);
+
+    QString m_searchText;
+    std::optional<Quotient::SearchJob::ResultRoomEvents> m_result = std::nullopt;
+    Quotient::SearchJob *m_job = nullptr;
+    bool m_searching = false;
+};