Release 0.4.0

src/routes/sendungen/+page.server.ts

@@ -1,5 +1,74 @@
-import { getPieces, getShow } from '#lib/server/previews.js';
+import { fail, redirect } from '@sveltejs/kit';
+import type { Actions, PageServerLoad } from './$types';
+import { requireUser } from '#lib/server/auth.js';
+import { createShow, listShows, listShowTemplates } from '#lib/server/shows.js';
 
-export function load() {
-	return { pieces: getPieces(), show: getShow() };
+function berlinLocalToUtc(value: string): string | null {
+	if (!value) return null;
+	const match = /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})$/.exec(value);
+	if (!match) throw new Error('INVALID_TIMESTAMP');
+	const parts = match.slice(1).map(Number);
+	const localMilliseconds = Date.UTC(parts[0], parts[1] - 1, parts[2], parts[3], parts[4]);
+	let candidate = localMilliseconds;
+	for (let attempt = 0; attempt < 2; attempt += 1) {
+		const formatted = new Intl.DateTimeFormat('en-CA', {
+			timeZone: 'Europe/Berlin',
+			year: 'numeric',
+			month: '2-digit',
+			day: '2-digit',
+			hour: '2-digit',
+			minute: '2-digit',
+			hourCycle: 'h23'
+		}).formatToParts(new Date(candidate));
+		const read = (type: Intl.DateTimeFormatPartTypes) =>
+			Number(formatted.find((part) => part.type === type)?.value);
+		const represented = Date.UTC(
+			read('year'),
+			read('month') - 1,
+			read('day'),
+			read('hour'),
+			read('minute')
+		);
+		candidate += localMilliseconds - represented;
+	}
+	return new Date(candidate).toISOString();
 }
+
+export const load: PageServerLoad = ({ locals }) => {
+	requireUser(locals.user);
+	return { shows: listShows(), templates: listShowTemplates() };
+};
+
+export const actions = {
+	create: async ({ locals, request }) => {
+		requireUser(locals.user);
+		const data = await request.formData();
+		const title = String(data.get('title') || '');
+		const startsAt = String(data.get('startsAt') || '');
+		const templateId = String(data.get('templateId') || '') || null;
+		let id: string;
+		try {
+			id = createShow({ title, startsAtUtc: berlinLocalToUtc(startsAt), templateId }).id;
+		} catch (cause) {
+			const code = cause instanceof Error ? cause.message : '';
+			if (code === 'INVALID_TITLE') {
+				return fail(400, { error: 'Bitte einen Titel eingeben.', title, startsAt, templateId });
+			}
+			if (code === 'INVALID_TIMESTAMP') {
+				return fail(400, {
+					error: 'Bitte einen gültigen Termin eingeben.',
+					title,
+					startsAt,
+					templateId
+				});
+			}
+			return fail(400, {
+				error: 'Die Sendung konnte nicht angelegt werden.',
+				title,
+				startsAt,
+				templateId
+			});
+		}
+		redirect(303, `/sendungen/${id}`);
+	}
+} satisfies Actions;