reorganization

js/background.js

@@ -0,0 +1,137 @@
+chrome.runtime.onMessage.addListener(function(request, sender, response) {
+	if(request.command == "courseStorage") {
+		if(request.action == "add"){
+			add(request,sender,response);
+		}
+		if(request.action == "remove"){
+			remove(request,sender,response);
+		}
+	}
+	else if(request.command == "isSingleConflict"){
+		isSingleConflict(request.dtarr,request.unique,response);
+	}
+	else if(request.command == "checkConflicts"){
+		checkConflicts(response);
+	}
+	else if(request.command == "alreadyContains"){
+		alreadyContains(request.unique,response);
+	}
+	else{
+		const xhr = new XMLHttpRequest();
+		const method = request.method ? request.method.toUpperCase() : "GET";
+		xhr.open(method, request.url, true);
+		xhr.onload = () => response(xhr.responseText);
+		xhr.onerror = () => response(xhr.statusText);
+		if (method == "POST") {
+			xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
+		}
+		xhr.send(request.data);
+	}
+	return true;
+});
+
+ chrome.runtime.onInstalled.addListener(function() {
+ 	var arr = new Array();
+    chrome.storage.sync.set({savedCourses: arr}, function() {
+      console.log('initial course list');
+    });
+});
+
+function checkConflicts(sendResponse) {
+	chrome.storage.sync.get('savedCourses', function(data) {
+		var conflicts = [];
+		var courses = data.savedCourses;
+		for(var i = 0; i<courses.length;i++){
+			for(var j=i+1; j<courses.length; j++){
+				if(isConflict(courses[i].datetimearr,courses[j].datetimearr)){
+					console.log("conflict");
+					conflicts.push([courses[i],courses[j]]);
+				}
+			}
+		}
+		if(conflicts.length == 0){
+			sendResponse({isConflict:false});
+		} else {
+			console.log(conflicts);
+			sendResponse({isConflict:true,between: conflicts});
+		}
+	});
+}
+
+function isSingleConflict(currdatearr, unique, sendResponse){
+	chrome.storage.sync.get('savedCourses', function(data) {
+		var courses = data.savedCourses;
+		var conflict = false;
+		for(var i = 0; i<courses.length;i++){
+			if(isConflict(currdatearr,courses[i].datetimearr)){
+				conflict = true;
+				break;
+			}
+		}
+		var contains = false;
+		var i = 0;
+		while(i < courses.length && !contains){
+			if(courses[i].unique == unique){
+				contains = true;
+			}
+			i++;
+		}
+		sendResponse({isConflict:conflict,alreadyContains:contains});
+	});
+}
+
+function isConflict(adtarr, bdtarr){
+	for(var i = 0; i<adtarr.length;i++){
+		var currday = adtarr[i][0];
+		var currtimes = adtarr[i][1];
+		for(var j = 0; j<bdtarr.length;j++){
+			var nextday = bdtarr[j][0];
+			var nextimes = bdtarr[j][1];
+			if(nextday == currday){
+				if(currtimes[0] < nextimes[1] && currtimes[1] > nextimes[0]){
+					return true;
+				}
+			}
+		}
+	}
+	return false;
+}
+
+function add(request, sender, sendResponse) {
+	chrome.storage.sync.get('savedCourses', function(data) {
+		var courses = data.savedCourses;
+		courses.push(request.course)
+		console.log(courses);
+		chrome.storage.sync.set({savedCourses: courses});
+		sendResponse({done:"Added: ("+request.course.unique+") "+request.course.coursename,label:"Remove Course -"});
+	});
+}
+function remove(request, sender, sendResponse) {
+	chrome.storage.sync.get('savedCourses', function(data) {
+		var courses = data.savedCourses;
+		console.log(courses);
+		var index = 0;
+		console.log(courses.length);
+		while(index<courses.length && courses[index].unique != request.course.unique){
+			index++;
+		}
+		courses.splice(index,1);
+		chrome.storage.sync.set({savedCourses: courses});
+		sendResponse({done:"Removed: ("+request.course.unique+") "+request.course.coursename,label:"Add Course +"});
+	});
+}
+
+function alreadyContains(unique,sendResponse){
+	chrome.storage.sync.get('savedCourses', function(data) {
+		var courses = data.savedCourses;
+		var contains = false;
+		var i = 0;
+		while(i < courses.length && !contains){
+			if(courses[i].unique == unique){
+				contains = true;
+			}
+			i++;
+		}
+		sendResponse({alreadyContains: contains});
+	});
+}