RUG kalender naar Google Calendar dmv CSV

rug-to-csv.js

NodeList.prototype.forEach = Array.prototype.forEach;

HTMLCollection.prototype.forEach = Array.prototype.forEach;

Date.prototype.getSimpleDateString = function(){
  return this.getDate() + '-' + (this.getMonth()+1) + '-' + this.getFullYear();
};

function Vakkenlijst(){
  this.lijst = [];
}

Vakkenlijst.prototype.push = function(vak){
  this.lijst.push(vak);
};

Vakkenlijst.prototype.toCSV = function(){
  var csv = "Subject,Start Date,Start Time,End Time,Location\n";

  this.lijst.forEach(function(a){
    csv += '"' + [a.vak, a.dag, a.van, a.tot, a.locatie].join('","') + '"\n';
  });
  
  return csv;
};

function Vak(dag, vanEnTot, locatie, type, vak){
  var aVanEnTot = vanEnTot.split('-');
  
  this.dag = dag;
  this.locatie = locatie;
  this.vak = vak;
  this.van = aVanEnTot[0];
  this.tot = aVanEnTot[1];
  this.voegToe(this, type, kalenders);
}

Vak.prototype.voegToe = function(les, type, kalenderLijst){
  for(var i=0; i<kalenderLijst.length; i++){
    if(kalenderLijst[i].regex.test(type)){
      this.type = i;
      kalenderLijst[i].items.push(les);
      return;
    }
  }
};

var kalenders = [
  {regex: /hoorcollege/, naam: "RUG Hoorcolleges", items: new Vakkenlijst()},
  {regex: /werkcollege/, naam: "RUG Werkcolleges", items: new Vakkenlijst()},
  {regex: /prakticum|practicum|practikum/, naam: "RUG Praktica", items: new Vakkenlijst()},
  {regex: /toets|tentamen|examen/, naam: "RUG Toetsen", items: new Vakkenlijst()},
  {regex: /./, naam: "RUG Algemeen", items: new Vakkenlijst()}
];

var table, rooster = [];
    
document.querySelectorAll('.tableContainer .userContentTable tbody').forEach(function(elm){
  if(elm.children[0].children[1].innerText == 'Dag'){
    table = elm;
  }
});

var currDate;
table.children.forEach(function(el){  
  if(el.children.length == 9 && el.children[0].tagName.toLowerCase() == 'td' && el.children[6].innerText.trim().length > 0){
    var dateField = el.children[2].innerText.split('-');
    if(dateField.length === 3){
      splitDate = dateField.map(function(dateEl, i){
        var asInt = parseInt(dateEl, 10);
        if(i == 1) asInt--;
        if(i == 2) asInt += 2000;
        
        return asInt;
      });
      
      
      currDate = new Date(splitDate[2], splitDate[1], splitDate[0]);
    }
    
    rooster.push(new Vak(
      currDate.getSimpleDateString(), 
      el.children[3].innerText,
      el.children[4].innerText,
      el.children[5].innerText,
      el.children[6].innerText
    ));
  }
});

for(var i=0; i<kalenders.length; i++){
  var asCSV = kalenders[i].items.toCSV(), 
      title = document.createElement('h2'), 
      textarea = document.createElement('textarea');
      
  console.group(kalenders[i].naam);
  console.log(asCSV);
  console.groupEnd();
  
  title.innerHTML = kalenders[i].naam;
  textarea.value = asCSV;
  textarea.style.width = '100%';
  textarea.style.height = '200px';

  table.parentNode.parentNode.parentNode.insertBefore(textarea, table.nextSibling);
  textarea.parentNode.insertBefore(title, textarea);
}