[network/ruqola] src: Use correct model

Git commit a3dc558c4d9151e481692b54eee9285655da9a12 by Laurent Montel.
Committed on 29/07/2026 at 06:15.
Pushed by mlaurent into branch 'master'.

Use correct model

M  +39   -4    src/core/model/usersforroomfilterproxymodel.cpp
M  +24   -6    src/widgets/room/usersinroomwidget.cpp

https://invent.kde.org/network/ruqola/-/commit/a3dc558c4d9151e481692b54eee9285655da9a12

diff --git a/src/core/model/usersforroomfilterproxymodel.cpp b/src/core/model/usersforroomfilterproxymodel.cpp
index 4137a68856..5ab640eac8 100644
--- a/src/core/model/usersforroomfilterproxymodel.cpp
+++ b/src/core/model/usersforroomfilterproxymodel.cpp
@@ -7,8 +7,31 @@
 #include "usersforroomfilterproxymodel.h"
 
 #include "usersforroommodel.h"
+#include <QAbstractProxyModel>
 
 using namespace Qt::Literals::StringLiterals;
+
+namespace
+{
+[[nodiscard]] const UsersForRoomModel *sourceUsersForRoomModel(const QAbstractItemModel *model)
+{
+    const QAbstractItemModel *currentModel = model;
+    while (currentModel) {
+        if (const auto *usersModel = qobject_cast<const UsersForRoomModel *>(currentModel)) {
+            return usersModel;
+        }
+
+        const auto *proxyModel = qobject_cast<const QAbstractProxyModel *>(currentModel);
+        if (!proxyModel) {
+            return nullptr;
+        }
+        currentModel = proxyModel->sourceModel();
+    }
+
+    return nullptr;
+}
+}
+
 UsersForRoomFilterProxyModel::UsersForRoomFilterProxyModel(QObject *parent)
     : SortFilterProxyModelBase(parent)
 {
@@ -28,7 +51,10 @@ void UsersForRoomFilterProxyModel::clearFilter()
 
 bool UsersForRoomFilterProxyModel::hasFullList() const
 {
-    return static_cast<UsersForRoomModel *>(sourceModel())->hasFullList();
+    if (const auto *usersModel = sourceUsersForRoomModel(sourceModel())) {
+        return usersModel->hasFullList();
+    }
+    return false;
 }
 
 bool UsersForRoomFilterProxyModel::lessThan(const QModelIndex &left, const QModelIndex &right) const
@@ -56,17 +82,26 @@ void UsersForRoomFilterProxyModel::setStatusType(UsersForRoomFilterProxyModel::F
 
 bool UsersForRoomFilterProxyModel::loadMoreUsersInProgress() const
 {
-    return static_cast<UsersForRoomModel *>(sourceModel())->loadMoreUsersInProgress();
+    if (const auto *usersModel = sourceUsersForRoomModel(sourceModel())) {
+        return usersModel->loadMoreUsersInProgress();
+    }
+    return false;
 }
 
 int UsersForRoomFilterProxyModel::total() const
 {
-    return static_cast<UsersForRoomModel *>(sourceModel())->total();
+    if (const auto *usersModel = sourceUsersForRoomModel(sourceModel())) {
+        return usersModel->total();
+    }
+    return 0;
 }
 
 int UsersForRoomFilterProxyModel::numberOfUsers() const
 {
-    return static_cast<UsersForRoomModel *>(sourceModel())->usersCount();
+    if (const auto *usersModel = sourceUsersForRoomModel(sourceModel())) {
+        return usersModel->usersCount();
+    }
+    return 0;
 }
 
 bool UsersForRoomFilterProxyModel::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
diff --git a/src/widgets/room/usersinroomwidget.cpp b/src/widgets/room/usersinroomwidget.cpp
index 3d95c7df7f..f45549020c 100644
--- a/src/widgets/room/usersinroomwidget.cpp
+++ b/src/widgets/room/usersinroomwidget.cpp
@@ -23,6 +23,20 @@
 #include <QVBoxLayout>
 
 using namespace Qt::Literals::StringLiterals;
+
+namespace
+{
+[[nodiscard]] UsersForRoomModel *usersForRoomModelFromTreeView(const UsersInRoomTreeView *treeView)
+{
+    if (!treeView) {
+        return nullptr;
+    }
+    auto *const roomFilterProxy = treeView->usersForRoomFilterProxy();
+    auto *const headingsProxy = qobject_cast<UsersForRoomListHeadingsProxyModel *>(roomFilterProxy ? roomFilterProxy->sourceModel() : nullptr);
+    return headingsProxy ? qobject_cast<UsersForRoomModel *>(headingsProxy->sourceModel()) : nullptr;
+}
+}
+
 UsersInRoomWidget::UsersInRoomWidget(RocketChatAccount *account, QWidget *parent)
     : QWidget(parent)
     , mListView(new UsersInRoomTreeView(this))
@@ -159,20 +173,24 @@ void UsersInRoomWidget::slotShowUserInfo(const QModelIndex &index)
 
 void UsersInRoomWidget::updateLabel()
 {
-    auto *const roomFilterProxy = mListView->usersForRoomFilterProxy();
-    if (roomFilterProxy->loadMoreUsersInProgress()) {
+    const auto *const usersForRoomModel = usersForRoomModelFromTreeView(mListView);
+    if (usersForRoomModel && usersForRoomModel->loadMoreUsersInProgress()) {
         mMessageListInfo->setText(i18n("Loading…"));
     } else {
-        mMessageListInfo->setText(roomFilterProxy->numberOfUsers() == 0 ? i18n("No Message found") : displayShowMessageInRoom());
+        mMessageListInfo->setText((usersForRoomModel && usersForRoomModel->usersCount() > 0) ? displayShowMessageInRoom() : i18n("No Message found"));
     }
 }
 
 QString UsersInRoomWidget::displayShowMessageInRoom() const
 {
-    auto *const roomFilterProxy = mListView->usersForRoomFilterProxy();
+    const auto *const usersForRoomModel = usersForRoomModelFromTreeView(mListView);
+    if (!usersForRoomModel) {
+        return {};
+    }
+
     QString displayMessageStr =
-        i18np("%1 User in room (Total: %2)", "%1 Users in room (Total: %2)", roomFilterProxy->numberOfUsers(), roomFilterProxy->total());
-    if (!roomFilterProxy->hasFullList()) {
+        i18np("%1 User in room (Total: %2)", "%1 Users in room (Total: %2)", usersForRoomModel->usersCount(), usersForRoomModel->total());
+    if (!usersForRoomModel->hasFullList()) {
         displayMessageStr += u" <a href=\"loadmoreelement\">%1</a>"_s.arg(i18n("(Click here for Loading more…)"));
     }
     return displayMessageStr;