Complete overhaul of code structure and relevant files (#639)

src/Config/CheckNotificationPermissions.js

@@ -0,0 +1,30 @@
+/**
+ * This function checks if the user has given permissions for notifications
+ * It is called by a change in any of the notification options
+ * Note that most browsers will stop asking if the user has ignored the prompt around 6 times
+ * @param 	{number}	ToggleOnOff		A number indicating whether the option has been turned off (0) or on (1)
+ */
+function CheckNotificationPermissions(ToggleOnOff) {
+	if (ToggleOnOff === 1)	{
+		// Check if browser support Promise version of Notification Permissions
+		const checkNotificationPromise = function () {
+			try {
+				Notification.requestPermission().then();
+			} catch (e) {
+				return false;
+			}
+			return true;
+		};
+
+		// Check if the browser supports notifications and which type
+		if (!('Notification' in window)) {
+			console.log('This browser does not support notifications.');
+		} else if (checkNotificationPromise()) {
+			Notification.requestPermission().then();
+		} else {
+			Notification.requestPermission();
+		}
+	}
+}
+
+export default CheckNotificationPermissions;