Adds option to mute ping sound for specific channels (#990)

Co-Authored-By: hemirt <hemirt@hemirt.com>

src/controllers/pings/PingController.cpp

@@ -0,0 +1,70 @@
+#include "controllers/pings/PingController.hpp"
+#include "controllers/pings/PingModel.hpp"
+
+namespace chatterino {
+
+void PingController::initialize(Settings &settings, Paths &paths)
+{
+    this->initialized_ = true;
+    for (const QString &channelName : this->pingSetting_.getValue())
+    {
+        this->channelVector.appendItem(channelName);
+    }
+
+    this->channelVector.delayedItemsChanged.connect([this] {  //
+        this->pingSetting_.setValue(this->channelVector.getVector());
+    });
+}
+
+PingModel *PingController::createModel(QObject *parent)
+{
+    PingModel *model = new PingModel(parent);
+    model->init(&this->channelVector);
+    return model;
+}
+
+bool PingController::isMuted(const QString &channelName)
+{
+    for (const auto &channel : this->channelVector.getVector())
+    {
+        if (channelName.toLower() == channel.toLower())
+        {
+            return true;
+        }
+    }
+    return false;
+}
+
+void PingController::muteChannel(const QString &channelName)
+{
+    channelVector.appendItem(channelName);
+}
+
+void PingController::unmuteChannel(const QString &channelName)
+{
+    for (std::vector<int>::size_type i = 0;
+         i != channelVector.getVector().size(); i++)
+    {
+        if (channelVector.getVector()[i].toLower() == channelName.toLower())
+        {
+            channelVector.removeItem(i);
+            i--;
+        }
+    }
+}
+
+bool PingController::toggleMuteChannel(const QString &channelName)
+{
+    if (this->isMuted(channelName))
+    {
+        unmuteChannel(channelName);
+        return false;
+    }
+    else
+    {
+        muteChannel(channelName);
+        return true;
+    }
+}
+
+}  // namespace chatterino