Files
homepage/src/routes/[recipeLang=recipeLang]/[name]/+page.svelte
Alexander Bocken 9ff30b28cd feat: add PWA offline support for recipe pages
- Add service worker with caching for build assets, static files, images, and pages
- Add IndexedDB storage for recipes (brief and full data)
- Add offline-db API endpoint for bulk recipe download
- Add offline sync button component in header
- Add offline-shell page for direct navigation fallback
- Pre-cache __data.json for client-side navigation
- Add +page.ts universal load functions with IndexedDB fallback
- Add PWA manifest and icons for installability
- Update recipe page to handle missing data gracefully
2026-01-28 21:38:33 +01:00

368 lines
9.2 KiB
Svelte

<script lang="ts">
import { writable } from 'svelte/store';
export const multiplier = writable(0);
import type { PageData } from './$types';
import "$lib/css/nordtheme.css"
import EditButton from '$lib/components/EditButton.svelte';
import InstructionsPage from '$lib/components/InstructionsPage.svelte';
import IngredientsPage from '$lib/components/IngredientsPage.svelte';
import TitleImgParallax from '$lib/components/TitleImgParallax.svelte';
import { afterNavigate } from '$app/navigation';
import {season} from '$lib/js/season_store';
import RecipeNote from '$lib/components/RecipeNote.svelte';
import FavoriteButton from '$lib/components/FavoriteButton.svelte';
import { onDestroy } from 'svelte';
import { recipeTranslationStore } from '$lib/stores/recipeTranslation';
let { data } = $props<{ data: PageData }>();
// Set store for recipe translation data so UserHeader can access it
// Use $effect instead of onMount to react to data changes during client-side navigation
$effect(() => {
recipeTranslationStore.set({
germanShortName: data.germanShortName || data.short_name,
englishShortName: data.englishShortName,
hasEnglishTranslation: data.hasEnglishTranslation || false
});
});
// Clear store when leaving recipe page
onDestroy(() => {
recipeTranslationStore.set(null);
});
const isEnglish = $derived(data.lang === 'en');
// Use mediapath from images array (includes hash for cache busting)
// Fallback to short_name.webp for backward compatibility
const img_filename = $derived(
data.images?.[0]?.mediapath ||
`${data.germanShortName || data.short_name}.webp`
);
const hero_img_src = $derived("https://bocken.org/static/rezepte/full/" + img_filename);
const placeholder_src = $derived("https://bocken.org/static/rezepte/placeholder/" + img_filename);
// Get alt text from images array
const img_alt = $derived(data.images?.[0]?.alt || '');
const months = $derived(isEnglish
? ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]
: ["Januar", "Februar", "März", "April", "Mai", "Juni", "Juli", "August", "September", "Oktober", "November", "Dezember"]);
function season_intervals() {
// Guard against missing season data (can happen in offline mode)
if (!data.season || !Array.isArray(data.season) || data.season.length === 0) {
return [];
}
let interval_arr = []
let start_i = 0
for(var i = 12; i > 0; i--){
if(data.season.includes(i)){
start_i = data.season.indexOf(i);
}
else{
break
}
}
var start = data.season[start_i]
var end_i
const len = data.season.length
for(var i = 0; i < len -1; i++){
if(data.season.includes((start + i) %12 + 1)){
end_i = (start_i + i + 1) % len
}
else{
interval_arr.push([start, data.season[end_i]])
start = data.season[(start + i + 1) % len]
}
}
if(interval_arr.length == 0){
interval_arr.push([start, data.season[end_i]])
}
return interval_arr
}
const season_iv = $derived(season_intervals());
const display_date = $derived(data.updatedAt ? new Date(data.updatedAt) : new Date(data.dateCreated));
const options = {
day: '2-digit',
month: 'short',
year: 'numeric',
hour: '2-digit',
minute: '2-digit',
};
const formatted_display_date = $derived(display_date.toLocaleDateString(isEnglish ? 'en-US' : 'de-DE', options));
const labels = $derived({
season: isEnglish ? 'Season:' : 'Saison:',
keywords: isEnglish ? 'Keywords:' : 'Stichwörter:',
lastModified: isEnglish ? 'Last modified:' : 'Letzte Änderung:',
title: isEnglish ? "Bocken Recipes" : "Bocken'sche Rezepte"
});
</script>
<style>
*{
font-family: sans-serif;
}
h1{
text-align: center;
padding-block: 0.5em;
border-radius: 10000px;
margin:0;
font-size: 3rem;
overflow-wrap: break-word;
hyphens: auto;
text-wrap: balance;
}
/* Position overrides for global classes */
.category{
--size: 1.75rem;
position: absolute;
top: calc(-1* var(--size));
left: calc(-3/2 * var(--size));
font-size: var(--size);
padding: calc(var(--size) * 2/3);
}
.category:hover,
.category:focus-visible{
scale: 1.1;
}
.tags{
margin-block: 1rem;
display: flex;
flex-direction: row;
align-items: center;
flex-wrap: wrap;
gap: 1em;
}
.tags h2,
h2.section-label{
font-size: 1.2rem;
font-weight: bold;
}
.center{
justify-content: center;
}
.wrapper_wrapper{
--bg-color: #fbf9f3;
display: grid;
grid-template-columns: 1fr 2fr;
max-width: 1000px;
margin-inline: auto;
padding-top: 10rem;
margin-bottom: 3rem;
transform: translateY(-7rem);
z-index: -2;
position: relative;
}
.wrapper_wrapper::before {
content: '';
position: absolute;
inset: 0;
left: 50%;
transform: translateX(-50%);
width: 100vw;
background-color: var(--bg-color);
z-index: -1;
}
.addendum, .date {
grid-column: 1 / -1;
justify-self: center;
}
@media (prefers-color-scheme: dark) {
.wrapper_wrapper{
--bg-color: var(--background-dark);
}
}
@media screen and (max-width: 700px){
.wrapper_wrapper{
display: flex;
flex-direction: column;
align-items: center;
}
.wrapper_wrapper > :global(.ingredients),
.wrapper_wrapper > :global(.instructions) {
width: 100%;
}
}
.title{
position: relative;
width: min(800px, 80vw);
margin-inline: auto;
background-color: var(--nord6);
padding: 1rem 2rem;
translate: 0 1px; /*bruh*/
z-index: 1;
}
@media (prefers-color-scheme: dark) {
.title{
background-color: var(--nord6-dark);
}
}
.icon{
position: absolute;
top: -1em;
right: -0.75em;
padding: 0.5em;
font-size: 1.5rem;
background-color: #FAFAFE;
}
@media (prefers-color-scheme: dark) {
.icon{
background-color: var(--accent-dark);
}
}
.icon:hover,
.icon:focus-visible{
scale: 1.2;
animation: shake 0.5s ease forwards;
}
h2{
margin-block: 0;
}
.addendum{
max-width: 800px;
justify-self: center;
padding-inline: 2rem;
}
@media screen and (max-width: 800px){
.title{
width: 100%;
}
.icon{
right: 1rem;
top: -1.75rem;
}
.category{
left: 1rem;
top: calc(var(--size) * -1.5);
}
}
@keyframes shake{
0%{
transform: rotate(0)
scale(1,1);
}
25%{
box-shadow: 0em 0em 1em 0.2em rgba(0, 0, 0, 0.6);
transform: rotate(var(--angle))
scale(1.2,1.2)
;
}
50%{
box-shadow: 0em 0em 1em 0.2em rgba(0, 0, 0, 0.6);
transform: rotate(calc(-1* var(--angle)))
scale(1.2,1.2);
}
74%{
box-shadow: 0em 0em 1em 0.2em rgba(0, 0, 0, 0.6);
transform: rotate(var(--angle))
scale(1.2, 1.2);
}
100%{
transform: rotate(0)
scale(1.2,1.2);
}
}
.description{
text-align: center;
margin-bottom: 2em;
margin-top: -0.5em;
}
.date{
margin-bottom: 0;
}
</style>
<svelte:head>
<title>{data.strippedName} - {labels.title}</title>
<meta name="description" content="{data.strippedDescription}" />
<meta property="og:image" content="https://bocken.org/static/rezepte/thumb/{img_filename}" />
<meta property="og:image:secure_url" content="https://bocken.org/static/rezepte/thumb/{img_filename}" />
<meta property="og:image:type" content="image/webp" />
<meta property="og:image:alt" content="{data.strippedName}" />
{@html `<script type="application/ld+json">${JSON.stringify(data.recipeJsonLd)}</script>`}
<!-- SEO: hreflang tags -->
<link rel="alternate" hreflang="de" href="https://bocken.org/rezepte/{data.germanShortName}" />
{#if isEnglish || data.hasEnglishTranslation}
<link rel="alternate" hreflang="en" href="https://bocken.org/recipes/{isEnglish ? data.short_name : data.englishShortName}" />
{/if}
<link rel="alternate" hreflang="x-default" href="https://bocken.org/rezepte/{data.germanShortName}" />
</svelte:head>
<TitleImgParallax src={hero_img_src} {placeholder_src} alt={img_alt}>
<div class=title>
{#if data.category}
<a class="category g-pill g-btn-dark" href='/{data.recipeLang}/category/{data.category}'>{data.category}</a>
{/if}
{#if data.icon}
<a class="icon g-icon-badge" href='/{data.recipeLang}/icon/{data.icon}'>{data.icon}</a>
{/if}
<h1>{@html data.name}</h1>
{#if data.description && ! data.preamble}
<p class=description>{data.description}</p>
{/if}
{#if data.preamble}
<p>{@html data.preamble}</p>
{/if}
{#if season_iv.length > 0}
<div class=tags>
<h2>{labels.season}</h2>
{#each season_iv as season}
<a class="g-tag" href="/{data.recipeLang}/season/{season[0]}">
{#if season[0]}
{months[season[0] - 1]}
{/if}
{#if season[1]}
- {months[season[1] - 1]}
{/if}
</a>
{/each}
</div>
{/if}
{#if data.tags && data.tags.length > 0}
<h2 class="section-label">{labels.keywords}</h2>
<div class="tags center">
{#each data.tags as tag}
<a class="g-tag" href="/{data.recipeLang}/tag/{tag}">{tag}</a>
{/each}
</div>
{/if}
<FavoriteButton
recipeId={data.germanShortName}
isFavorite={data.isFavorite || false}
isLoggedIn={!!data.session?.user}
/>
{#if data.note && data.note.trim()}
<RecipeNote note={data.note}></RecipeNote>
{/if}
</div>
<div class=wrapper_wrapper>
<IngredientsPage {data}></IngredientsPage>
<InstructionsPage {data}></InstructionsPage>
<div class=addendum>
{#if data.addendum}
{@html data.addendum}
{/if}
</div>
<p class=date>{labels.lastModified} {formatted_display_date}</p>
</div>
</TitleImgParallax>
<EditButton href="/rezepte/edit/{data.germanShortName}"></EditButton>