Initial commit: FL-Akademie LMS mit Docker, Admin, Portal und Dokumentation.

Made-with: Cursor

lib/certificates.ts

@@ -0,0 +1,50 @@
+import { randomBytes } from "crypto";
+import { prisma } from "@/lib/prisma";
+import { getUserCourseProgress } from "@/lib/course-progress";
+
+function makeCode() {
+  return `FA-${randomBytes(5).toString("hex").toUpperCase()}`;
+}
+
+export async function syncCertificateForCourse(userId: string, courseId: string) {
+  const { total, completed } = await getUserCourseProgress(userId, courseId);
+
+  const existing = await prisma.certificate.findUnique({
+    where: { userId_courseId: { userId, courseId } },
+  });
+
+  if (total === 0 || completed < total) {
+    if (existing) {
+      await prisma.certificate.delete({ where: { id: existing.id } });
+    }
+    return { issued: false as const };
+  }
+
+  if (existing) {
+    return { issued: true as const, code: existing.code };
+  }
+
+  let code = makeCode();
+  for (let i = 0; i < 8; i++) {
+    const clash = await prisma.certificate.findUnique({ where: { code } });
+    if (!clash) break;
+    code = makeCode();
+  }
+
+  await prisma.certificate.create({
+    data: { userId, courseId, code },
+  });
+
+  return { issued: true as const, code };
+}
+
+export async function clearCourseProgress(userId: string, courseId: string) {
+  const lessons = await prisma.lesson.findMany({
+    where: { module: { courseId } },
+    select: { id: true },
+  });
+  await prisma.lessonProgress.deleteMany({
+    where: { userId, lessonId: { in: lessons.map((l) => l.id) } },
+  });
+  await prisma.certificate.deleteMany({ where: { userId, courseId } });
+}