forked from Bangee44/MMM-swisstransport
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MMM-swisstransport.js
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MMM-swisstransport.js
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/* Timetable for Trains Module */
/* Magic Mirror
* Module: SwissTransport
*
* By Sebastian Plattner
* based on https://github.com/Bangee44/MMM-swisstransport from Benjamin Angst http://www.beny.ch
* MIT Licensed.
*/
Module.register("MMM-swisstransport", {
// Define module defaults
defaults: {
maximumEntries: 10, // Total Maximum Entries
updateInterval: 2 * 60 * 1000, // Update Trains Data every 2 minutes.
animationSpeed: 2000,
fade: true,
fadePoint: 0.25, // Start on 1/4th of the list.
initialLoadDelay: 0, // start delay seconds.
domRefresh: 1000 * 30, // Refresh Dom each 30 s
apiBase: 'http://transport.opendata.ch/v1/stationboard',
id: "008503203",
minWalkingTime: 4,
titleReplace: {
"Zeittabelle ": ""
},
},
// Define required scripts.
getStyles: function() {
return ["swisstransport.css", "font-awesome.css"];
},
// Define required scripts.
getScripts: function() {
return ["moment.js"];
},
// Define start sequence.
start: function() {
Log.info("Starting module: " + this.name);
// Set locale.
moment.locale(config.language);
this.trains = [];
this.loaded = false;
this.scheduleUpdate(this.config.initialLoadDelay);
// Update DOM seperatly and not only on schedule Update
var self = this;
setInterval(function() {
self.updateDom(this.config.animationSpeed);
}, this.config.domRefresh);
this.updateTimer = null;
},
// Override dom generator.
getDom: function() {
var wrapper = document.createElement("div");
var currentTime = moment();
if (this.config.id === "") {
wrapper.innerHTML = "Please set the correct Station ID: " + this.name + ".";
wrapper.className = "dimmed light small";
return wrapper;
}
if (!this.loaded) {
wrapper.innerHTML = "Loading trains ...";
wrapper.className = "dimmed light small";
return wrapper;
}
var table = document.createElement("table");
table.className = "small";
for (var t in this.trains) {
var trains = this.trains[t];
var row = document.createElement("tr");
table.appendChild(row);
// Number
var trainNumberCell = document.createElement("td");
switch (trains.category) {
case "NFT":
trainNumberCell.innerHTML = "<i class=\"fa fa-train\"></i> " + trains.number;
break;
case "NFB":
trainNumberCell.innerHTML = "<i class=\"fa fa-bus\"></i> " + trains.number;
break;
default:
trainNumberCell.innerHTML = "<i class=\"fa fa-train\"></i> " + trains.number;
}
trainNumberCell.className = "align-left";
row.appendChild(trainNumberCell);
// To
var trainToCell = document.createElement("td");
trainToCell.innerHTML = trains.to;
trainToCell.className = "align-left trainto";
row.appendChild(trainToCell);
// Time + delay
var dTime = moment(trains.departureTimestampRaw);
var diff = dTime.diff(currentTime, 'minutes');
var depCell = document.createElement("td");
depCell.className = "align-left departuretime";
depCell.innerHTML = trains.departureTimestamp;
if (diff <= this.config.minWalkingTime) {
row.className = "red";
}
row.appendChild(depCell);
if (trains.delay) {
var delayCell = document.createElement("td");
delayCell.className = "delay red";
delayCell.innerHTML = "+" + trains.delay + " min";
row.appendChild(delayCell);
} else {
var delayCell = document.createElement("td");
delayCell.className = "delay red";
delayCell.innerHTML = trains.delay;
row.appendChild(delayCell);
}
/*var trainNameCell = document.createElement("td");
trainNameCell.innerHTML = trains.name;
trainNameCell.className = "align-right bright";
row.appendChild(trainNameCell);
*/
if (this.config.fade && this.config.fadePoint < 1) {
if (this.config.fadePoint < 0) {
this.config.fadePoint = 0;
}
var startingPoint = this.trains.length * this.config.fadePoint;
var steps = this.trains.length - startingPoint;
if (t >= startingPoint) {
var currentStep = t - startingPoint;
row.style.opacity = 1 - (1 / steps * currentStep);
}
}
}
return table;
},
/* updateTimetable(compliments)
* Calls processTrains on succesfull response.
*/
updateTimetable: function() {
var url = this.config.apiBase + this.getParams();
var self = this;
var retry = true;
var trainRequest = new XMLHttpRequest();
trainRequest.open("GET", url, true);
trainRequest.onreadystatechange = function() {
if (this.readyState === 4) {
if (this.status === 200) {
self.processTrains(JSON.parse(this.response));
} else if (this.status === 401) {
self.config.id = "";
self.updateDom(self.config.animationSpeed);
Log.error(self.name + ": Incorrect waht so ever...");
retry = false;
} else {
Log.error(self.name + ": Could not load trains.");
}
if (retry) {
self.scheduleUpdate((self.loaded) ? -1 : self.config.retryDelay);
}
}
};
trainRequest.send();
},
/* getParams(compliments)
* Generates an url with api parameters based on the config.
*
* return String - URL params.
*/
getParams: function() {
var params = "?";
params += "id=" + this.config.id;
params += "&limit=" + this.config.maximumEntries;
return params;
},
/* processTrains(data)
* Uses the received data to set the various values.
*
* argument data object - Weather information received form openweather.org.
*/
processTrains: function(data) {
this.trains = [];
for (var i = 0, count = data.stationboard.length; i < count; i++) {
var trains = data.stationboard[i];
// Only get trains where next stop is as configured, if not configured, display all
if (trains.passList[1].station.id == this.config.directionTo || !this.config.directionTo) {
this.trains.push({
departureTimestampRaw: trains.stop.departureTimestamp * 1000,
departureTimestamp: moment(trains.stop.departureTimestamp * 1000).format("HH:mm"),
delay: trains.stop.delay,
name: trains.name,
to: trains.to,
number: trains.number,
category: trains.category
});
}
}
this.loaded = true;
this.updateDom(this.config.animationSpeed);
},
/* scheduleUpdate()
* Schedule next update.
*
* argument delay number - Milliseconds before next update. If empty, this.config.updateInterval is used.
*/
scheduleUpdate: function(delay) {
var nextLoad = this.config.updateInterval;
if (typeof delay !== "undefined" && delay >= 0) {
nextLoad = delay;
}
var self = this;
clearTimeout(this.updateTimer);
this.updateTimer = setTimeout(function() {
self.updateTimetable();
}, nextLoad);
},
});