refactored the managers

src/singletons/accountmanager.cpp

@@ -0,0 +1,45 @@
+#include "singletons/accountmanager.hpp"
+
+namespace chatterino {
+
+namespace {
+
+inline QString getEnvString(const char *target)
+{
+    char *val = std::getenv(target);
+    if (val == nullptr) {
+        return QString();
+    }
+
+    return QString(val);
+}
+
+}  // namespace
+
+AccountManager::AccountManager()
+{
+}
+
+AccountManager &AccountManager::getInstance()
+{
+    static AccountManager instance;
+    return instance;
+}
+
+void AccountManager::load()
+{
+    this->Twitch.reloadUsers();
+
+    auto currentUser = this->Twitch.findUserByUsername(
+        QString::fromStdString(this->Twitch.currentUsername.getValue()));
+
+    if (currentUser) {
+        this->Twitch.currentUser = currentUser;
+    } else {
+        this->Twitch.currentUser = this->Twitch.anonymousUser;
+    }
+
+    this->Twitch.userChanged.invoke();
+}
+
+}  // namespace chatterino