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

Made-with: Cursor

app/admin/courses/actions.ts

@@ -0,0 +1,153 @@
+"use server";
+
+import { revalidatePath } from "next/cache";
+import { redirect } from "next/navigation";
+import { getServerSession } from "next-auth";
+import { authOptions } from "@/lib/auth-options";
+import { prisma } from "@/lib/prisma";
+import { slugify } from "@/lib/slug";
+import { BillingInterval } from "@prisma/client";
+
+async function assertAdmin() {
+  const session = await getServerSession(authOptions);
+  if (!session?.user?.id || session.user.role !== "ADMIN") {
+    throw new Error("Keine Berechtigung.");
+  }
+  return session;
+}
+
+function parseBilling(v: FormDataEntryValue | null): BillingInterval {
+  const s = String(v ?? "NONE");
+  if (s === "MONTH" || s === "QUARTER" || s === "YEAR") return s;
+  return BillingInterval.NONE;
+}
+
+export async function createCourseAction(formData: FormData) {
+  const session = await assertAdmin();
+  const title = String(formData.get("title") ?? "").trim();
+  if (!title) redirect("/admin/courses/new?error=title");
+
+  let slug = String(formData.get("slug") ?? "").trim();
+  if (!slug) slug = slugify(title);
+
+  const exists = await prisma.course.findUnique({ where: { slug } });
+  if (exists) redirect(`/admin/courses/new?error=slug`);
+
+  const description = String(formData.get("description") ?? "").trim();
+  const authorName = String(formData.get("authorName") ?? "").trim() || session.user.name || "Admin";
+  const published = String(formData.get("published") ?? "") === "on";
+  const priceEuros = Number(String(formData.get("priceEuros") ?? "0").replace(",", "."));
+  const priceCents = Number.isFinite(priceEuros) ? Math.max(0, Math.round(priceEuros * 100)) : 0;
+
+  const course = await prisma.course.create({
+    data: {
+      slug,
+      title,
+      description,
+      published,
+      priceCents,
+      billingInterval: parseBilling(formData.get("billingInterval")),
+      authorId: session.user.id,
+      authorName,
+    },
+  });
+
+  revalidatePath("/kurse");
+  revalidatePath("/admin/courses");
+  redirect(`/admin/courses/${course.id}/edit`);
+}
+
+export async function updateCourseAction(courseId: string, formData: FormData) {
+  const session = await assertAdmin();
+  const title = String(formData.get("title") ?? "").trim();
+  if (!title) redirect(`/admin/courses/${courseId}/edit?error=title`);
+
+  let slug = String(formData.get("slug") ?? "").trim();
+  if (!slug) slug = slugify(title);
+
+  const clash = await prisma.course.findFirst({
+    where: { slug, NOT: { id: courseId } },
+  });
+  if (clash) redirect(`/admin/courses/${courseId}/edit?error=slug`);
+
+  const description = String(formData.get("description") ?? "").trim();
+  const authorName = String(formData.get("authorName") ?? "").trim() || session.user.name || "Admin";
+  const published = String(formData.get("published") ?? "") === "on";
+  const priceEuros = Number(String(formData.get("priceEuros") ?? "0").replace(",", "."));
+  const priceCents = Number.isFinite(priceEuros) ? Math.max(0, Math.round(priceEuros * 100)) : 0;
+
+  await prisma.course.update({
+    where: { id: courseId },
+    data: {
+      slug,
+      title,
+      description,
+      published,
+      priceCents,
+      billingInterval: parseBilling(formData.get("billingInterval")),
+      authorName,
+    },
+  });
+
+  revalidatePath("/kurse");
+  revalidatePath("/admin/courses");
+  revalidatePath(`/kurse/${slug}`);
+  redirect(`/admin/courses/${courseId}/edit?saved=1`);
+}
+
+export async function createModuleAction(courseId: string, formData: FormData) {
+  await assertAdmin();
+  const title = String(formData.get("title") ?? "").trim();
+  if (!title) redirect(`/admin/courses/${courseId}/edit?error=module`);
+
+  const max = await prisma.courseModule.aggregate({
+    where: { courseId },
+    _max: { sortOrder: true },
+  });
+  const sortOrder = (max._max.sortOrder ?? -1) + 1;
+
+  await prisma.courseModule.create({
+    data: { courseId, title, sortOrder },
+  });
+
+  revalidatePath(`/admin/courses/${courseId}/edit`);
+  redirect(`/admin/courses/${courseId}/edit`);
+}
+
+export async function createLessonAction(courseId: string, formData: FormData) {
+  await assertAdmin();
+  const moduleId = String(formData.get("moduleId") ?? "").trim();
+  const title = String(formData.get("lessonTitle") ?? "").trim();
+  if (!moduleId || !title) redirect(`/admin/courses/${courseId}/edit?error=lesson`);
+
+  const mod = await prisma.courseModule.findFirst({
+    where: { id: moduleId, courseId },
+  });
+  if (!mod) redirect(`/admin/courses/${courseId}/edit?error=lesson`);
+
+  let slug = String(formData.get("lessonSlug") ?? "").trim();
+  if (!slug) slug = slugify(title);
+
+  const contentHtml = String(formData.get("contentHtml") ?? "").trim();
+
+  const max = await prisma.lesson.aggregate({
+    where: { moduleId },
+    _max: { sortOrder: true },
+  });
+  const sortOrder = (max._max.sortOrder ?? -1) + 1;
+
+  const existing = await prisma.lesson.findUnique({
+    where: { moduleId_slug: { moduleId, slug } },
+  });
+  if (existing) redirect(`/admin/courses/${courseId}/edit?error=lessonSlug`);
+
+  await prisma.lesson.create({
+    data: { moduleId, slug, title, contentHtml, sortOrder, published: true },
+  });
+
+  const course = await prisma.course.findUnique({ where: { id: courseId }, select: { slug: true } });
+  if (course?.slug) revalidatePath(`/kurse/${course.slug}`);
+
+  revalidatePath(`/admin/courses/${courseId}/edit`);
+  redirect(`/admin/courses/${courseId}/edit`);
+}