77 lines
1.8 KiB
JavaScript

const TimetableHour = require("./TimetableHour");
class TimetableDay {
first = null;
last = null;
holiday = false;
constructor(data, holidays=defaultHolidays) {
this.hours = [];
for (let i = 0; i < data[0].length; i++) {
const hour = [
data[0][i],
data[1][i],
data[2][i],
data[3][i],
data[4][i],
];
const allSame = sameHours(data);
if(holidays.includes(allSame)) {
this.holiday = allSame;
return;
}
const hasContent = /[\da-zA-Z]/.test(JSON.stringify(hour));
if(hasContent) {
if(this.first === null) this.first = i;
this.last = i;
}
this.hours[i] = hasContent ? new TimetableHour(hour) : null;
}
}
get isHoliday() {
return this.holiday !== false;
}
get holidayName() {
return this.isHoliday ? this.holiday : null;
}
}
/**
* Checks if the day only has the same hours (e.g. "-", "Himmelfahrt")
*
* @param {Array} day (Nested) Day as an array.
* @returns {false|string} False if they differ. When not it returns the only existing value.
*/
const sameHours = day => {
// Only include column teacher, subject and room.
// Exam always "-", except for when there's exams.
day = [day[0], day[1], day[2]];
const flat = day.flat(); // from [["x","x"]] to ["x","x"]
const first = flat[0];
return flat.every(val => val === first) ? first : false;
};
const defaultHolidays = [
"Sommerferien",
"Tag der Deutschen Einheit",
"Herbstferien",
"Reformationstag",
"Weihnachtsferien",
"Winterferien",
"Osterferien",
"Tag der Arbeit",
"Himmelfahrt",
"Pfingsten",
];
module.exports = TimetableDay;