graduation: fix constructor and fetching

2 files changed, 3 insertions, 4 deletions

diff --git a/src/graduation-common.ts b/src/graduation-common.ts
index eada103..68f91c3 100644
--- a/src/graduation-common.ts
+++ b/src/graduation-common.ts
@@ -53,8 +53,8 @@ class GraduationChange {
 		const change = JSON.parse(json);
 		return new GraduationChange(
 			new Date(date),
+			Number(change.studentId),
 			change.change,
-			change.student,
 			change.reason,
 			coach,
 			change.context,
diff --git a/src/graduation-prod.ts b/src/graduation-prod.ts
index 5fe9bf8..2d4087f 100644
--- a/src/graduation-prod.ts
+++ b/src/graduation-prod.ts
@@ -8,11 +8,10 @@ const _graduationChangesPromise = (async function () {
 	let entries = await db.fetchEntries();
 	for (const e of entries) {
 		const gradChange = GraduationChange.fromDBEntry(e);
-		const studentChanges = changes.get(gradChange.studentId);
-		if (studentChanges === null) {
+		if (!changes.has(gradChange.studentId)) {
 			changes.set(gradChange.studentId, [gradChange]);
 		} else {
-			studentChanges.push(gradChange);
+			changes.get(gradChange.studentId).push(gradChange);
 		}
 	}
 	return changes;