Move all timeline relevant models and classes to the module

src/timeline/models/pollanswermodel.cpp

@@ -0,0 +1,80 @@
+// SPDX-FileCopyrightText: 2025 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 "pollanswermodel.h"
+
+#include "neochatroom.h"
+#include "pollhandler.h"
+
+PollAnswerModel::PollAnswerModel(PollHandler *parent)
+    : QAbstractListModel(parent)
+{
+    Q_ASSERT(parent != nullptr);
+
+    connect(parent, &PollHandler::selectionsChanged, this, [this]() {
+        dataChanged(index(0), index(rowCount() - 1), {CountRole, LocalChoiceRole, IsWinnerRole});
+    });
+    connect(parent, &PollHandler::answersChanged, this, [this]() {
+        dataChanged(index(0), index(rowCount() - 1), {TextRole});
+    });
+}
+
+QVariant PollAnswerModel::data(const QModelIndex &index, int role) const
+{
+    Q_ASSERT(checkIndex(index, QAbstractItemModel::CheckIndexOption::IndexIsValid));
+
+    const auto row = index.row();
+    if (row < 0 || row >= rowCount()) {
+        return {};
+    }
+
+    const auto pollHandler = dynamic_cast<PollHandler *>(this->parent());
+    if (pollHandler == nullptr) {
+        qWarning() << "PollAnswerModel created with nullptr parent.";
+        return 0;
+    }
+
+    if (role == IdRole) {
+        return pollHandler->answerAtRow(row).id;
+    }
+    if (role == TextRole) {
+        return pollHandler->answerAtRow(row).text;
+    }
+    if (role == CountRole) {
+        return pollHandler->answerCountAtId(pollHandler->answerAtRow(row).id);
+    }
+    if (role == LocalChoiceRole) {
+        const auto room = pollHandler->room();
+        if (room == nullptr) {
+            return {};
+        }
+        return pollHandler->checkMemberSelectedId(room->localMember().id(), pollHandler->answerAtRow(row).id);
+    }
+    if (role == IsWinnerRole) {
+        return pollHandler->winningAnswerIds().contains(pollHandler->answerAtRow(row).id) && pollHandler->hasEnded();
+    }
+    return {};
+}
+
+int PollAnswerModel::rowCount(const QModelIndex &parent) const
+{
+    Q_UNUSED(parent);
+    const auto pollHandler = dynamic_cast<PollHandler *>(this->parent());
+    if (pollHandler == nullptr) {
+        qWarning() << "PollAnswerModel created with nullptr parent.";
+        return 0;
+    }
+
+    return pollHandler->numAnswers();
+}
+
+QHash<int, QByteArray> PollAnswerModel::roleNames() const
+{
+    return {
+        {IdRole, "id"},
+        {TextRole, "answerText"},
+        {CountRole, "count"},
+        {LocalChoiceRole, "localChoice"},
+        {IsWinnerRole, "isWinner"},
+    };
+}