diff --git a/src/ReadReceiptsModel.cpp b/src/ReadReceiptsModel.cpp
new file mode 100644
index 00000000..25262c59
--- /dev/null
+++ b/src/ReadReceiptsModel.cpp
@@ -0,0 +1,131 @@
+// SPDX-FileCopyrightText: 2021 Nheko Contributors
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "ReadReceiptsModel.h"
+
+#include <QLocale>
+
+#include "Cache.h"
+#include "Cache_p.h"
+#include "Logging.h"
+#include "Utils.h"
+
+ReadReceiptsModel::ReadReceiptsModel(QString event_id, QString room_id, QObject *parent)
+ : QAbstractListModel{parent}
+ , event_id_{event_id}
+ , room_id_{room_id}
+{
+ try {
+ addUsers(cache::readReceipts(event_id_, room_id_));
+ } catch (const lmdb::error &) {
+ nhlog::db()->warn("failed to retrieve read receipts for {} {}",
+ event_id_.toStdString(),
+ room_id_.toStdString());
+
+ return;
+ }
+
+ connect(cache::client(), &Cache::newReadReceipts, this, &ReadReceiptsModel::update);
+}
+
+void
+ReadReceiptsModel::update()
+{
+ try {
+ addUsers(cache::readReceipts(event_id_, room_id_));
+ } catch (const lmdb::error &) {
+ nhlog::db()->warn("failed to retrieve read receipts for {} {}",
+ event_id_.toStdString(),
+ room_id_.toStdString());
+
+ return;
+ }
+}
+
+QHash<int, QByteArray>
+ReadReceiptsModel::roleNames() const
+{
+ // Note: RawTimestamp is purposely not included here
+ return {
+ {Mxid, "mxid"},
+ {DisplayName, "displayName"},
+ {AvatarUrl, "avatarUrl"},
+ {Timestamp, "timestamp"},
+ };
+}
+
+QVariant
+ReadReceiptsModel::data(const QModelIndex &index, int role) const
+{
+ if (!index.isValid() || index.row() >= (int)readReceipts_.size() || index.row() < 0)
+ return {};
+
+ switch (role) {
+ case Mxid:
+ return readReceipts_[index.row()].first;
+ case DisplayName:
+ return cache::displayName(room_id_, readReceipts_[index.row()].first);
+ case AvatarUrl:
+ return cache::avatarUrl(room_id_, readReceipts_[index.row()].first);
+ case Timestamp:
+ return dateFormat(readReceipts_[index.row()].second);
+ case RawTimestamp:
+ return readReceipts_[index.row()].second;
+ default:
+ return {};
+ }
+}
+
+void
+ReadReceiptsModel::addUsers(
+ const std::multimap<uint64_t, std::string, std::greater<uint64_t>> &users)
+{
+ auto newReceipts = users.size() - readReceipts_.size();
+
+ if (newReceipts > 0) {
+ beginInsertRows(
+ QModelIndex{}, readReceipts_.size(), readReceipts_.size() + newReceipts - 1);
+
+ for (const auto &user : users) {
+ QPair<QString, QDateTime> item = {
+ QString::fromStdString(user.second),
+ QDateTime::fromMSecsSinceEpoch(user.first)};
+ if (!readReceipts_.contains(item))
+ readReceipts_.push_back(item);
+ }
+
+ endInsertRows();
+ }
+}
+
+QString
+ReadReceiptsModel::dateFormat(const QDateTime &then) const
+{
+ auto now = QDateTime::currentDateTime();
+ auto days = then.daysTo(now);
+
+ if (days == 0)
+ return QLocale::system().toString(then.time(), QLocale::ShortFormat);
+ else if (days < 2)
+ return tr("Yesterday, %1")
+ .arg(QLocale::system().toString(then.time(), QLocale::ShortFormat));
+ else if (days < 7)
+ //: %1 is the name of the current day, %2 is the time the read receipt was read. The
+ //: result may look like this: Monday, 7:15
+ return QString("%1, %2")
+ .arg(then.toString("dddd"))
+ .arg(QLocale::system().toString(then.time(), QLocale::ShortFormat));
+
+ return QLocale::system().toString(then.time(), QLocale::ShortFormat);
+}
+
+ReadReceiptsProxy::ReadReceiptsProxy(QString event_id, QString room_id, QObject *parent)
+ : QSortFilterProxyModel{parent}
+ , model_{event_id, room_id, this}
+{
+ setSourceModel(&model_);
+ setSortRole(ReadReceiptsModel::RawTimestamp);
+ sort(0, Qt::DescendingOrder);
+ setDynamicSortFilter(true);
+}
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