blob: ebf435bcbcc103a4f26d93fe082f3440c92b5d3b [file] [log] [blame]
Number.prototype.mod = function(n) {
return ((this % n) + n) % n;
}
var scheduleController = {
maxSchedules: 6,
recommendedSchedulesPerLine: 2,
fetchInterval: 8*60*1000,
_times: [],
_queueTimes: [],
_lastTime: -1,
_lastDestinations: [],
_numRoutes: -1,
_stop: -1,
init: function() {
scheduleController.setStop();
scheduleController.removeDummy();
scheduleController.fetchTimes();
scheduleController.timer();
},
setStop: function() {
var params = new URLSearchParams(window.location.search);
scheduleController._stop = params.get("station");
},
isOldView: function() {
return document.body.classList.contains("view-old");
},
numSchedules: function() {
return Math.min(scheduleController.maxSchedules, 2 * scheduleController.recommendedSchedulesPerLine * scheduleController._numRoutes);
},
numSchedulesDetailed: function() {
return Math.ceil(scheduleController.numSchedules() / 2);
},
isDetailed: function(i) {
return (i < scheduleController.numSchedulesDetailed());
},
removeElement: function(el) {
el.parentNode.removeChild(el);
},
removeDummy: function() {
document.getElementById("trains").innerHTML = "";
},
timeSinceMidnight: function() {
var now = new Date();
var then = new Date(
now.getFullYear(),
now.getMonth(),
now.getDate(),
0,0,0);
return Math.floor((now.getTime() - then.getTime())/1000);
},
prettyTime: function(seconds, detailed = true) {
if (detailed) return (Math.floor(seconds/60)).toString().padStart(2, '0')+":"+(seconds % 60).toString().padStart(2, '0');
return Math.floor(seconds/60)+"min";
},
addCurrentTime: function(data) {
var trains = document.getElementById("trains");
var train = document.createElement("div");
train.setAttribute("class", "train");
var logo = document.createElement("div");
logo.setAttribute("class", "logo");
logo.style.backgroundColor = "#"+data.color;
logo.style.color = "#"+data.textColor;
logo.style.fontSize = ("calc("+((scheduleController.isOldView() ? 20 : 18)/data.route.length)+"*var(--unit-size))");
logo.textContent = data.route;
train.appendChild(logo);
var destination = document.createElement("div");
destination.setAttribute("class", "destination");
destination.textContent = data.destination;
train.appendChild(destination);
var time = document.createElement("div");
time.setAttribute("class", "time");
train.appendChild(time);
trains.appendChild(train);
data._element = time;
data._markedToRemove = false;
scheduleController._times.push(data);
},
addTime: function(data) {
if (data.departureTime > scheduleController._lastTime) {
scheduleController._lastTime = data.departureTime;
scheduleController._lastDestinations = [data.destination];
} else if (data.departureTime == scheduleController.lastTime) {
var flag = false;
scheduleController._lastDestinations.forEach(dest => {
if (data.destination == dest) flag = true;
});
if (flag) {
return;
}
scheduleController._lastDestinations.push(dest);
} else return;
if (scheduleController._times.length < scheduleController.numSchedules()) {
scheduleController.addCurrentTime(data);
} else {
scheduleController._queueTimes.push(data);
}
},
fetchTimes: function() {
fetch("ajax/api.php?action=getTimes&stop="+scheduleController._stop).then(res => {
return res.json();
}).then(json => {
if (json.status != "ok") throw Error("Not ok");
scheduleController._numRoutes = json.data.numRoutes;
json.data.schedules.forEach(data => {
scheduleController.addTime(data);
});
});
setTimeout(scheduleController.fetchTimes, scheduleController.fetchInterval);
},
timer: function() {
var timeSinceMidnight = scheduleController.timeSinceMidnight();
var removed = 0;
for (var i = 0;; ++i) {
if (scheduleController._times[i - removed] === undefined) break;
if (scheduleController._times[i - removed]._markedToRemove) {
scheduleController.removeElement(scheduleController._times[i - removed]._element.parentNode);
scheduleController._times.shift();
++removed;
} else if (scheduleController._times[i - removed].departureTime - timeSinceMidnight == 0) {
scheduleController._times[i - removed]._markedToRemove = true;
}
}
for (var i = 0; i < removed; ++i) {
if (scheduleController._queueTimes.length > 0) {
scheduleController.addCurrentTime(scheduleController._queueTimes.shift());
}
}
var i = 0;
scheduleController._times.forEach(time => {
var diff = (time.departureTime - timeSinceMidnight).mod(24*60*60);
time._element.textContent = scheduleController.prettyTime(diff, scheduleController.isDetailed(i));
++i;
});
setTimeout(scheduleController.timer, (1000 - (new Date().getTime()) % 1000));
}
};
window.addEventListener("load", _ => {
scheduleController.init();
});