UntisBot/src/modules/scanForTimetableChanges.ts

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import Discord from "discord.js";
import { Lesson, ShortData } from "webuntis";
import main from "../index";
const { defaultEmbedColor, untis, db, sendEmbed } = main;
function addProp(prop: ShortData) {
let str = "";
if ((!prop.name && !prop.longname) || prop.name == "---") {
str += "None";
} else if (prop.longname) {
str += `${prop.longname} `;
if (prop.name && prop.name != prop.longname) str += `(${prop.name}) `;
} else {
str += prop.name;
}
return str;
}
export async function run() {
const timetable = await untis.getOwnTimetableForRange(new Date(Date.now() - 86400000), new Date(Date.now() + (86400000 * 7)), true);
const sentClasses = {};
timetable.forEach(lesson => {
const kLesson = db.knownLessons.get(`${lesson.id}`);
if (kLesson && hasChanged(lesson, kLesson)) {
if (sentClasses["" + (lesson.sg || lesson.su?.[0]?.id) + " -- " + lesson.date]) return;
const dateInfo = {
year: Number(`${lesson.date}`.substr(0, 4)),
month: Number(`${lesson.date}`.substr(4, 2)),
day: Number(`${lesson.date}`.substr(6, 2)),
};
const date = new Date(dateInfo.year, dateInfo.month - 1, dateInfo.day);
const weekDay = ["Sunday", "Monday", "Thursday", "Wednesday", "Thursday", "Friday", "Saturday"][date.getDay()];
const embed = new Discord.MessageEmbed()
.setTitle("Lesson updated")
.setColor(defaultEmbedColor)
.setAuthor(`${weekDay}, ${date.getDate()}. ${date.getMonth() + 1}.: ${lesson.sg || "(Unnamed lesson)"} - ${lesson.te[0].longname || "No teacher"}`);
let desc = "";
const propFullName = {
kl: "Class",
te: "Teacher",
su: "Subject",
ro: "Room",
};
for (const prop of ["kl", "te", "su", "ro"]) {
const lessonStr = JSON.stringify(lesson[prop]);
const kLessonStr = JSON.stringify(kLesson[prop]);
if (lessonStr != kLessonStr) {
desc += `**${propFullName[prop]}**: ${(addProp(kLesson[prop][0]) || "None")}${(addProp(lesson[prop][0] || "None"))}\n`;
}
}
if (lesson.activityType != kLesson.activityType) {
desc += `**Type:** ${kLesson.activityType} \u200b → \u200b ${lesson.activityType} \n`;
}
if (lesson.substText) {
desc += `\n ${lesson.substText}`;
}
if (lesson.info) {
desc += `\n ${lesson.info}`;
}
// if (lesson.code) embed.setColor(lesson.code == 'irregular' ? 'A781B4' : 'B1B3B4');
// Change the embed color when teacher ID is 0.
// Teacher ID 0 means that the class is canelled (at least on my school),
// although I don't know if this is always the case.
if (lesson.code == "irregular" || lesson.te[0].id == 0) embed.setColor(0xA781B4);
embed.setDescription(desc);
sentClasses[`${lesson.sg || lesson.su?.[ 0 ]?.id} -- ${lesson.date}`] = true;
sendEmbed(embed);
console.log("Sent timetable update");
}
db.knownLessons.set(`${lesson.id}`, lesson);
});
}
function hasChanged(lesson1: Lesson, lesson2: Lesson) {
return (JSON.stringify(lesson1) != JSON.stringify(lesson2));
}