coaching: add hint if no coachees are available

1 files changed, 18 insertions, 3 deletions

diff --git a/src/coaching.js b/src/coaching.js
index 2fd2429..27ce2ea 100644
--- a/src/coaching.js
+++ b/src/coaching.js
@@ -32,12 +32,27 @@ async function loadGroup() {
 		li.appendChild(i);
 	}
 
-	const graduations = await Promise.all(graduationPromises);
+	await Promise.all(graduationPromises);
+
+	const coaches = new Set();
+	const coachees = [];
 
 	for (const li of listEntries) {
-		const student = li.student;
-		if (!student.graduation.coaches.includes(name)) continue;
+		for (const coach of li.student.graduation.coaches) {
+			coaches.add(coach);
+		}
+		if (!li.student.graduation.coaches.includes(name)) continue;
+		coachees.push(li);
+	}
 
+	if (coachees.length === 0) {
+		ul.innerHTML = `
+		<li>Du hast keine Coachees</li>
+		<li>Coaches der Klasse: ${Array.from(coaches)}</li>`;
+	}
+
+	for (const li of coachees) {
+		const student = li.student;
 		const n = document.createElement("span");
 		n.classList.add("group-member-name");
 		n.innerHTML = `${student.name}`;