server/script.js: only allow new requests after five minutes

django/server/static/server/js/script.js

@@ -120,6 +120,22 @@ function toggleLectureMode() {
 	populateMap();
 }
 
+//Set timecookie from lastRequest
+function setLastTutorRequestTime(){
+	var requestWaitTime = 0 * 60 * 1000; // Wait 5 minutes before a tutor can be requested again.
+
+	var date = new Date();
+	date.setTime(date.getTime() + requestWaitTime);
+
+	// Safe time and not date directly, otherwise he saves a string (?) representing this date...
+	$.cookie('lastTutorRequest', date.getTime());
+}
+
+function waitedEnoughTime(){
+	var lastReq = $.cookie('lastTutorRequest');
+	return lastReq === undefined || lastReq < (new Date());
+}
+
 //sends a request for a tutor and draws tutordata afterwards
 function requestTutor(){
 	if (!isHostInRoom(getHostname(), currentRoom())) {
@@ -127,6 +143,12 @@ function requestTutor(){
 		return;
 	}
 
+	if(!waitedEnoughTime()){
+		displayErrorPopup("Du hast erst vor kurzem nach einem Tutor gefragt");
+		return;
+	}
+
+	// FIXME
 	var lecture = $("#lectureSelector").val();
 	if (lecture === undefined) {
 		return;
@@ -153,6 +175,8 @@ function cancelTutorRequest(){
 		return;
 	}
 
+	setLastTutorRequestTime();
+
 	$.ajax(server+"/request", {
 		type: "DELETE",
 		data: {