src/roomservice.cpp

@@ -148,7 +148,7 @@ void RoomService::loadRooms() {
         connect(&m_nam, &QNetworkAccessManager::finished, account->capabilities(), &Capabilities::checkTalkCapHash);
 
         QUrl endpoint = QUrl(account->host());
-        QString apiV = account->capabilities()->hasConversationV2() ? "v2" : "v1";
+        QString apiV = "v" + QString::number(account->capabilities()->getConversationApiLevel());
         endpoint.setPath(endpoint.path() + "/ocs/v2.php/apps/spreed/api/" + apiV + "/room");
         endpoint.setQuery("format=json");
         QNetworkRequest request = RequestFactory::getRequest(endpoint, account);

src/services/capabilities.cpp

@@ -14,16 +14,25 @@ bool Capabilities::areAvailable() const {
     return m_available;
 }
 
-bool Capabilities::hasConversationV2() const {
-    if(!m_available) {
-        qDebug() << "capabilities have not been requested yet!";
-        return false;
-    }
-
-    return m_capabilities
+int Capabilities::getConversationApiLevel() const
+{
+    if (m_capabilities
             .find("spreed").value().toObject()
             .find("features").value().toArray()
-            .toVariantList().contains("conversation-v2");
+            .toVariantList().contains("conversation-v4"))
+    {
+        return 4;
+    }
+
+    if (m_capabilities
+            .find("spreed").value().toObject()
+            .find("features").value().toArray()
+            .toVariantList().contains("conversation-v2"))
+    {
+        return 2;
+    }
+
+    return 1;
 }
 
 QColor Capabilities::primaryColor() const {

src/services/capabilities.h

@@ -16,7 +16,7 @@ public:
     bool areAvailable() const;
     void request();
     NextcloudAccount *m_account;
-    bool hasConversationV2() const;
+    int getConversationApiLevel() const;
     QColor primaryColor() const;
     QUrl logoUrl() const;
     QString name() const;

src/services/participants.cpp

@@ -83,7 +83,7 @@ void Participants::pullParticipants(QString token, int accountId)
         m_reply->abort();
     }
     QUrl endpoint = QUrl(m_activeAccount->host());
-    QString apiV = m_activeAccount->capabilities()->hasConversationV2() ? "v2" : "v1";
+    QString apiV = "v" + QString::number(m_activeAccount->capabilities()->getConversationApiLevel());
     endpoint.setPath(endpoint.path() + "/ocs/v2.php/apps/spreed/api/" + apiV+ "/room/" + token + "/participants");
     QUrlQuery q(endpoint);
     q.addQueryItem("format", "json");