feat(lesereisen): implement lesereisen

frontend/src/routes/geschichten/+page.server.ts

@@ -6,21 +6,27 @@ import type { PageServerLoad } from './$types';
 
 type Person = components['schemas']['Person'];
 
+const UUID_PATTERN = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;
+
 export const load: PageServerLoad = async ({ url, fetch }) => {
 	const api = createApiClient(fetch);
 	const personIds = url.searchParams.getAll('personId');
-	const documentId = url.searchParams.get('documentId') ?? undefined;
+	const rawDocumentId = url.searchParams.get('documentId');
+	const documentId = rawDocumentId && UUID_PATTERN.test(rawDocumentId) ? rawDocumentId : null;
 
-	const [listResult, ...personResults] = await Promise.all([
+	const [listResult, docResult, ...personResults] = await Promise.all([
 		api.GET('/api/geschichten', {
 			params: {
 				query: {
 					status: 'PUBLISHED',
 					personId: personIds.length ? personIds : undefined,
-					documentId
+					documentId: documentId ?? undefined
 				}
 			}
 		}),
+		documentId
+			? api.GET('/api/documents/{id}', { params: { path: { id: documentId } } })
+			: Promise.resolve(null),
 		...personIds.map((id) => api.GET('/api/persons/{id}', { params: { path: { id } } }))
 	]);
 
@@ -32,9 +38,22 @@ export const load: PageServerLoad = async ({ url, fetch }) => {
 		.filter((r) => r && r.response.ok && r.data)
 		.map((r) => r!.data!) as Person[];
 
+	let documentFilter: { id: string; title: string | null } | null = null;
+	if (documentId) {
+		if (docResult && docResult.response.ok && docResult.data) {
+			const doc = docResult.data;
+			documentFilter = {
+				id: documentId,
+				title: doc.title ?? doc.originalFilename ?? null
+			};
+		} else {
+			documentFilter = { id: documentId, title: null };
+		}
+	}
+
 	return {
 		geschichten: listResult.data ?? [],
 		personFilters,
-		documentFilter: documentId ?? null
+		documentFilter
 	};
 };