Add missing feature rememberance to client (#2275)

Fix #2249
Add the ability for the client to remember the missing features that it
received from the server it last connected to and not display the
"missing/optional feature" message at every login.

cockatrice/src/main.cpp

@@ -120,7 +120,6 @@ int main(int argc, char *argv[])
     installNewTranslator();
 
     qsrand(QDateTime::currentDateTime().toTime_t());
-
     qDebug("main(): starting main program");
 
     MainWindow ui;

cockatrice/src/remoteclient.cpp

@@ -25,6 +25,7 @@ RemoteClient::RemoteClient(QObject *parent)
     : AbstractClient(parent), timeRunning(0), lastDataReceived(0), messageInProgress(false), handshakeStarted(false), messageLength(0)
 {
 
+    clearNewClientFeatures();
     int keepalive = settingsCache->getKeepAlive();
     timer = new QTimer(this);
     timer->setInterval(keepalive * 1000);
@@ -135,6 +136,13 @@ void RemoteClient::processConnectionClosedEvent(const Event_ConnectionClosed & /
 void RemoteClient::loginResponse(const Response &response)
 {
     const Response_Login &resp = response.GetExtension(Response_Login::ext);
+    
+    QString possibleMissingFeatures;
+    if (resp.missing_features_size() > 0) {
+        for (int i = 0; i < resp.missing_features_size(); ++i)
+            possibleMissingFeatures.append("," + QString::fromStdString(resp.missing_features(i)));
+    }
+
     if (response.response_code() == Response::RespOk) {
         setStatus(StatusLoggedIn);
         emit userInfoChanged(resp.user_info());
@@ -149,8 +157,10 @@ void RemoteClient::loginResponse(const Response &response)
             ignoreList.append(resp.ignore_list(i));
         emit ignoreListReceived(ignoreList);
 
-        if (resp.missing_features_size() > 0 && settingsCache->getNotifyAboutUpdates())
-                emit notifyUserAboutUpdate();
+        if (newMissingFeatureFound(possibleMissingFeatures) && resp.missing_features_size() > 0 && settingsCache->getNotifyAboutUpdates()) {
+            settingsCache->setKnownMissingFeatures(possibleMissingFeatures);
+            emit notifyUserAboutUpdate();
+        }
 
     } else if (response.response_code() != Response::RespNotConnected) {
         QList<QString> missingFeatures;
@@ -380,3 +390,29 @@ QString RemoteClient::getSrvClientID(const QString _hostname)
     QString uniqueServerClientID = QCryptographicHash::hash(srvClientID.toUtf8(), QCryptographicHash::Sha1).toHex().right(15);
     return uniqueServerClientID;
 }
+
+bool RemoteClient::newMissingFeatureFound(QString _serversMissingFeatures)
+{
+    bool newMissingFeature = false;
+    QStringList serversMissingFeaturesList = _serversMissingFeatures.split(",");
+    foreach(const QString &feature, serversMissingFeaturesList) {
+        if (!feature.isEmpty()) {
+            if (!settingsCache->getKnownMissingFeatures().contains(feature))
+                return true;
+        }
+    }
+    return newMissingFeature;
+}
+
+void RemoteClient::clearNewClientFeatures()
+{
+    QString newKnownMissingFeatures;
+    QStringList existingKnownMissingFeatures = settingsCache->getKnownMissingFeatures().split(",");
+    foreach(const QString &existingKnownFeature, existingKnownMissingFeatures) {
+        if (!existingKnownFeature.isEmpty()) {
+            if (!clientFeatures.contains(existingKnownFeature))
+                newKnownMissingFeatures.append("," + existingKnownFeature);
+        }
+    }
+    settingsCache->setKnownMissingFeatures(newKnownMissingFeatures);
+}

cockatrice/src/remoteclient.h

@@ -45,6 +45,8 @@ private:
     QByteArray inputBuffer;
     bool messageInProgress;
     bool handshakeStarted;
+    bool newMissingFeatureFound(QString _serversMissingFeatures);
+    void clearNewClientFeatures();
     int messageLength;
     
     QTimer *timer;

cockatrice/src/settingscache.cpp

@@ -249,6 +249,12 @@ SettingsCache::SettingsCache()
     spectatorsCanSeeEverything = settings->value("game/spectatorscanseeeverything", false).toBool();
     rememberGameSettings = settings->value("game/remembergamesettings", true).toBool();
     clientID = settings->value("personal/clientid", "notset").toString();
+    knownMissingFeatures = settings->value("interface/knownmissingfeatures", "").toString();
+}
+
+void SettingsCache::setKnownMissingFeatures(QString _knownMissingFeatures) {
+    knownMissingFeatures = _knownMissingFeatures;
+    settings->setValue("interface/knownmissingfeatures", knownMissingFeatures);
 }
 
 void SettingsCache::setCardInfoViewMode(const int _viewMode) {

cockatrice/src/settingscache.h

@@ -86,6 +86,7 @@ private:
     QString picUrl;
     QString picUrlFallback;
     QString clientID;
+    QString knownMissingFeatures;
     int pixmapCacheSize;
     bool scaleCards;
     bool showMessagePopups;
@@ -181,7 +182,9 @@ public:
     bool getRememberGameSettings() const { return rememberGameSettings; }
     int getKeepAlive() const { return keepalive; }
     void setClientID(QString clientID);
+    void setKnownMissingFeatures(QString _knownMissingFeatures);
     QString getClientID() { return clientID; }
+    QString getKnownMissingFeatures() { return knownMissingFeatures; }
     ShortcutsSettings& shortcuts() const { return *shortcutsSettings; }
     CardDatabaseSettings& cardDatabase() const { return *cardDatabaseSettings; }
     ServersSettings& servers() const { return *serversSettings; }