Commit 4: Kategorien-API (CRUD + Reorder) und Favoriten-Toggle im Frontend

apps/backend/src/routes/categories.ts

@@ -0,0 +1,53 @@
+import type { FastifyInstance } from "fastify";
+import {
+  CategoryCreateSchema,
+  CategoryReorderSchema,
+  CategoryUpdateSchema,
+} from "@launchpad/shared";
+import * as categoryRepo from "../db/repositories/categories.js";
+
+export async function categoryRoutes(app: FastifyInstance): Promise<void> {
+  app.get("/api/categories", async () => {
+    return categoryRepo.listCategories();
+  });
+
+  app.post("/api/categories", async (request, reply) => {
+    const parsed = CategoryCreateSchema.safeParse(request.body);
+    if (!parsed.success) {
+      return reply.code(400).send({ error: "Ungültige Eingabe", issues: parsed.error.issues });
+    }
+    const category = categoryRepo.createCategory(parsed.data);
+    return reply.code(201).send(category);
+  });
+
+  // Muss vor der /:id-Route registriert sein, damit "reorder" nicht als ID interpretiert wird.
+  app.patch("/api/categories/reorder", async (request, reply) => {
+    const parsed = CategoryReorderSchema.safeParse(request.body);
+    if (!parsed.success) {
+      return reply.code(400).send({ error: "Ungültige Eingabe", issues: parsed.error.issues });
+    }
+    return categoryRepo.reorderCategories(parsed.data);
+  });
+
+  app.patch("/api/categories/:id", async (request, reply) => {
+    const { id } = request.params as { id: string };
+    const parsed = CategoryUpdateSchema.safeParse(request.body);
+    if (!parsed.success) {
+      return reply.code(400).send({ error: "Ungültige Eingabe", issues: parsed.error.issues });
+    }
+    const category = categoryRepo.updateCategory(id, parsed.data);
+    if (!category) {
+      return reply.code(404).send({ error: "Kategorie nicht gefunden" });
+    }
+    return category;
+  });
+
+  app.delete("/api/categories/:id", async (request, reply) => {
+    const { id } = request.params as { id: string };
+    const deleted = categoryRepo.deleteCategory(id);
+    if (!deleted) {
+      return reply.code(404).send({ error: "Kategorie nicht gefunden" });
+    }
+    return reply.code(204).send();
+  });
+}