admin-tools: implement mass course update

1 files changed, 120 insertions, 0 deletions

diff --git a/src/moodle-prod.ts b/src/moodle-prod.ts
new file mode 100644
index 0000000..39bb190
--- /dev/null
+++ b/src/moodle-prod.ts
@@ -0,0 +1,120 @@
+import { getCourseId, getSesskey } from "./utils-ENV.js";
+
+export class Activity {
+	id: number;
+	title: string;
+
+	constructor(id: number, title: string) {
+		this.id = id;
+		this.title = title;
+	}
+
+	async update(text: string) {
+		const url = `https://lernplattform.bycs.de/course/modedit.php?update=${this.id}`;
+		const editRes = await fetch(url);
+		const editDoc = new DOMParser().parseFromString(await editRes.text(), "text/html");
+		const form = editDoc.querySelector<HTMLFormElement>('div[role="main"] > form');
+		const formData = new FormData(form!);
+
+		formData.set("page[text]", text);
+		formData.set("submitbutton", "Speichern und anzeigen");
+		return await fetch("/course/modedit.php", {
+			method: "POST",
+			body: formData,
+		});
+	}
+}
+
+export class Course {
+	id: Number;
+	title: string;
+	activities: Promise<Array<Activity>>;
+
+	constructor(id: number, title: string, courseDoc?: Document) {
+		this.id = id;
+		this.title = title;
+		this.activities = this.fetchActivities(courseDoc);
+	}
+
+	async fetchActivities(courseDoc?: Document) {
+		if (typeof courseDoc === "undefined") {
+			const courseUrl = `https://lernplattform.bycs.de/course/view.php?id=${this.id}`;
+			const courseRes = await fetch(courseUrl);
+			courseDoc = new DOMParser().parseFromString(await courseRes.text(), "text/html");
+		}
+
+		const activities = [];
+		for (const n of courseDoc.querySelectorAll(".activity-name-area")) {
+			const url = n.querySelector<HTMLAnchorElement>(".aalink")?.href!;
+			const match = /id=(\d+)/.exec(url);
+			const a = new Activity(Number(match![1]), n.textContent.trim());
+			activities.push(a);
+		}
+
+		return activities;
+	}
+
+	async getActivity(name: string) {
+		const activities = await this.activities;
+		for (const a of activities) {
+			if (a.title.includes(name)) {
+				return a;
+			}
+		}
+		return null;
+	}
+}
+
+export async function fetchCourse(courseId?: number) {
+	if (typeof courseId === "undefined") {
+		courseId = Number(getCourseId());
+	}
+
+	const courseUrl = `https://lernplattform.bycs.de/course/view.php?id=${courseId}`;
+	const courseRes = await fetch(courseUrl);
+	const courseDoc = new DOMParser().parseFromString(await courseRes.text(), "text/html");
+
+	return new Course(courseId, courseDoc.querySelector("h1")?.innerText!, courseDoc);
+}
+
+export async function fetchCourses(pattern: string) {
+	const params = {
+		index: 0,
+		methodname: "core_course_get_enrolled_courses_by_timeline_classification",
+		args: {
+			offset: 0,
+			limit: 0,
+			classification: "search",
+			sort: "fullname",
+			customfieldname: "schule",
+			customfieldvalue: "Gymnasium Messestadt Riem",
+			searchvalue: pattern,
+			requiredfields: [
+				"id",
+				"fullname",
+				"shortname",
+				"showcoursecategory",
+				"showshortname",
+				"visible",
+				"enddate",
+			],
+		},
+	};
+
+	const coursesRes = await fetch(
+		`/lib/ajax/service.php?sesskey=${getSesskey()}&info=core_course_get_enrolled_courses_by_timeline_classification`,
+		{
+			method: "POST",
+			body: JSON.stringify([params]),
+		},
+	);
+
+	const coursesJSON = JSON.parse(await coursesRes.text());
+	const courses = [];
+	for (const o of coursesJSON[0].data.courses) {
+		const c = new Course(o.id, o.fullname);
+		courses.push(c);
+	}
+
+	return courses;
+}