feat: Social-Bild-Generator auch für Posts (Endpoint, Modal, PostActions-Button)
Neuer Endpoint /api/social/post/[slug] mit gleichem Pattern wie für Termine: Logo, Tag-Pill aus Title/Tags-Keywords (Presse, Demo, Rückblick, Interview, Studie, Rechtlich, Meinung etc.), Datum, Headline mit dynamischer Fontsize, Subheadline/Excerpt-Snippet, QR zum Beitrag, Footer. 3 Formate × 3 Themes wie Kalender. SocialImageModal in eigene wiederverwendbare Komponente extrahiert und sowohl im PostActions als auch im CalendarBlock eingebunden. PostActions akzeptiert socialSlug-Prop und blendet bei vorhandenem Slug einen Modal-Trigger-Button neben den anderen Aktions-Icons ein. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Peter Meier
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<script lang="ts">
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import Icon from "@iconify/svelte";
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import "$lib/iconify-offline";
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let {
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open,
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title,
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slug,
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endpointBase,
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downloadPrefix = "social",
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onclose,
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}: {
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open: boolean;
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title: string;
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slug: string;
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/** "/api/social/calendar" oder "/api/social/post" */
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endpointBase: string;
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/** Prefix für Download-Dateinamen, z.B. "termin" oder "beitrag" */
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downloadPrefix?: string;
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onclose: () => void;
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} = $props();
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let theme = $state<"wald" | "transparent-onlight" | "transparent-ondark">("wald");
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const themeQ = $derived(theme === "wald" ? "" : `&theme=${theme}`);
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const ogUrl = $derived(`${endpointBase}/${slug}?format=og${themeQ}`);
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const sqUrl = $derived(`${endpointBase}/${slug}?format=square${themeQ}`);
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const storyUrl = $derived(`${endpointBase}/${slug}?format=story${themeQ}`);
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const previewBg = $derived(
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theme === "wald"
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? "bg-stein-50"
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: theme === "transparent-onlight"
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? "bg-[repeating-linear-gradient(45deg,#f5f5f4,#f5f5f4_10px,#e7e5e4_10px,#e7e5e4_20px)]"
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: "bg-[repeating-linear-gradient(45deg,#292524,#292524_10px,#1c1917_10px,#1c1917_20px)]",
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);
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</script>
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{#if open}
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<div
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class="fixed inset-0 z-[100] flex items-center justify-center bg-black/80 p-4"
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role="dialog"
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aria-modal="true"
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aria-label="Social-Bild-Vorschau"
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onclick={onclose}
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onkeydown={(e) => { if (e.key === 'Escape') onclose(); }}
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tabindex="-1"
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>
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<div
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class="relative max-h-[92vh] w-full max-w-5xl overflow-y-auto rounded-lg bg-white p-5 shadow-2xl"
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onclick={(e) => e.stopPropagation()}
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role="presentation"
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>
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<div class="mb-4 flex items-start justify-between gap-3">
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<div class="min-w-0">
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<p class="text-xs uppercase tracking-wider text-stein-500">Social-Bild</p>
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<p class="truncate text-sm font-semibold text-stein-800">{title}</p>
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</div>
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<button
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type="button"
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onclick={onclose}
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class="shrink-0 text-stein-400 hover:text-stein-700"
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aria-label="Schließen"
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>
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<Icon icon="mdi:close" class="size-5" />
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</button>
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</div>
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<div class="mb-4 rounded-lg border border-stein-200 bg-stein-50 p-3">
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<p class="mb-2 text-[11px] font-medium uppercase tracking-wider text-stein-500">Hintergrund</p>
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<div class="flex flex-wrap gap-2">
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<button
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type="button"
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onclick={() => (theme = "wald")}
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class="flex items-center gap-1.5 rounded-md border px-2.5 py-1.5 text-xs font-medium transition
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{theme === 'wald' ? 'border-wald-500 bg-wald-100 text-wald-800' : 'border-stein-300 bg-white text-stein-700 hover:bg-stein-50'}"
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>
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<span class="size-3 rounded-full bg-gradient-to-br from-wald-900 to-wald-600"></span>
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Wald (Standard)
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</button>
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<button
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type="button"
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onclick={() => (theme = "transparent-onlight")}
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class="flex items-center gap-1.5 rounded-md border px-2.5 py-1.5 text-xs font-medium transition
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{theme === 'transparent-onlight' ? 'border-wald-500 bg-wald-100 text-wald-800' : 'border-stein-300 bg-white text-stein-700 hover:bg-stein-50'}"
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title="Transparenter Hintergrund mit dunklem Text"
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>
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<span class="size-3 rounded-full border border-stein-300 bg-[repeating-linear-gradient(45deg,#fff,#fff_2px,#e5e5e5_2px,#e5e5e5_4px)]"></span>
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Transparent · helle Hintergründe
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</button>
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<button
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type="button"
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onclick={() => (theme = "transparent-ondark")}
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class="flex items-center gap-1.5 rounded-md border px-2.5 py-1.5 text-xs font-medium transition
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{theme === 'transparent-ondark' ? 'border-wald-500 bg-wald-100 text-wald-800' : 'border-stein-300 bg-white text-stein-700 hover:bg-stein-50'}"
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title="Transparenter Hintergrund mit hellem Text"
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>
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<span class="size-3 rounded-full border border-stein-300 bg-[repeating-linear-gradient(45deg,#1c1917,#1c1917_2px,#44403c_2px,#44403c_4px)]"></span>
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Transparent · dunkle Hintergründe
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</button>
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</div>
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{#if theme !== "wald"}
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<p class="mt-2 text-[10px] text-stein-500">
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Vorschau-Hintergrund zeigt nur, wie der Text aussieht — heruntergeladene PNG hat echten Alpha-Kanal.
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</p>
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{/if}
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</div>
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<div class="grid gap-4 sm:grid-cols-3">
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<div class="flex flex-col gap-2">
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<p class="text-xs font-medium text-stein-600">Quer · 1200 × 630</p>
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<img src={ogUrl} alt="Social-Bild Quer" class="w-full rounded-sm border border-stein-200 {previewBg}" loading="eager" />
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<a href={ogUrl} download={`${downloadPrefix}-${slug}-og-${theme}.png`} class="btn-outline btn-sm justify-center no-underline!">
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<Icon icon="mdi:download" class="size-3.5" />
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Quer herunterladen
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</a>
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</div>
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<div class="flex flex-col gap-2">
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<p class="text-xs font-medium text-stein-600">Quadrat · 1080 × 1080</p>
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<img src={sqUrl} alt="Social-Bild Quadrat" class="mx-auto w-full rounded-sm border border-stein-200 {previewBg}" loading="eager" />
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<a href={sqUrl} download={`${downloadPrefix}-${slug}-square-${theme}.png`} class="btn-outline btn-sm justify-center no-underline!">
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<Icon icon="mdi:download" class="size-3.5" />
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Quadrat herunterladen
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</a>
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</div>
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<div class="flex flex-col gap-2">
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<p class="text-xs font-medium text-stein-600">Story · 1080 × 1920</p>
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<img src={storyUrl} alt="Social-Bild Story" class="mx-auto w-auto max-h-[280px] rounded-sm border border-stein-200 {previewBg}" loading="eager" />
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<a href={storyUrl} download={`${downloadPrefix}-${slug}-story-${theme}.png`} class="btn-outline btn-sm justify-center no-underline!">
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<Icon icon="mdi:download" class="size-3.5" />
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Story herunterladen
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</a>
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</div>
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</div>
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<p class="mt-4 text-[11px] text-stein-400">
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Quer: Facebook/Twitter/Link-Preview. Quadrat: Instagram-Feed. Story: Instagram/WhatsApp Story.
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</p>
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</div>
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</div>
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{/if}
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