NOISSUE Various changes from multiauth that are unrelated to it

logic/Exception.h

@@ -0,0 +1,41 @@
+// Licensed under the Apache-2.0 license. See README.md for details.
+
+#pragma once
+
+#include <QString>
+#include <QLoggingCategory>
+#include <exception>
+
+class Exception : public std::exception
+{
+public:
+	Exception(const QString &message) : std::exception(), m_message(message)
+	{
+		qCritical() << "Exception:" << message;
+	}
+	Exception(const Exception &other)
+		: std::exception(), m_message(other.cause())
+	{
+	}
+	virtual ~Exception() noexcept {}
+	const char *what() const noexcept
+	{
+		return m_message.toLatin1().constData();
+	}
+	QString cause() const
+	{
+		return m_message;
+	}
+
+private:
+	QString m_message;
+};
+
+#define DECLARE_EXCEPTION(name)                                                                \
+	class name##Exception : public ::Exception                                                 \
+	{                                                                                          \
+	public:                                                                                    \
+		name##Exception(const QString &message) : Exception(message)                           \
+		{                                                                                      \
+		}                                                                                      \
+	}