Fix last active time in devices page

(cherry picked from commit ab4bb41979)

src/models/devicesmodel.cpp

@@ -5,6 +5,9 @@
 
 #include "controller.h"
 
+#include <QDateTime>
+#include <QLocale>
+
 #include <KLocalizedString>
 
 #include <Quotient/csapi/device_management.h>
@@ -52,6 +55,12 @@ QVariant DevicesModel::data(const QModelIndex &index, int role) const
         } else {
             return false;
         }
+    case TimestampString:
+        if (device.lastSeenTs) {
+            return QDateTime::fromMSecsSinceEpoch(*device.lastSeenTs).toString(QLocale().dateTimeFormat(QLocale::ShortFormat));
+        } else {
+            return false;
+        }
     case Type:
         if (device.deviceId == m_connection->deviceId()) {
             return This;
@@ -85,6 +94,7 @@ QHash<int, QByteArray> DevicesModel::roleNames() const
         {DisplayName, "displayName"},
         {LastIp, "lastIp"},
         {LastTimestamp, "lastTimestamp"},
+        {TimestampString, "timestamp"},
         {Type, "type"},
     };
 }

src/models/devicesmodel.h

@@ -40,6 +40,7 @@ public:
         DisplayName, /**< Display name set by the user for this device. */
         LastIp, /**< The IP address where this device was last seen. */
         LastTimestamp, /**< The timestamp when this devices was last seen. */
+        TimestampString, /**< String for the timestamp when this devices was last seen. */
         Type, /**< The category to sort this device into. */
     };
     Q_ENUM(Roles)

src/qml/Settings/DeviceDelegate.qml

@@ -15,7 +15,7 @@ MobileForm.AbstractFormDelegate {
     id: deviceDelegate
 
     required property string id
-    required property int lastTimestamp
+    required property string timestamp
     required property string displayName
 
     property bool editDeviceName: false
@@ -49,7 +49,7 @@ MobileForm.AbstractFormDelegate {
 
             QQC2.Label {
                 Layout.fillWidth: true
-                text: deviceDelegate.id + ", Last activity: " +  (new Date(deviceDelegate.lastTimestamp)).toLocaleString(Qt.locale(), Locale.ShortFormat)
+                text: i18nc("@label", "%1, Last activity: %2", deviceDelegate.id, deviceDelegate.timestamp)
                 color: Kirigami.Theme.disabledTextColor
                 font: Kirigami.Theme.smallFont
                 elide: Text.ElideRight
@@ -131,4 +131,4 @@ MobileForm.AbstractFormDelegate {
             }
         }
     }
-}
+}