mirror of
https://github.com/Since-3/Kuma.git
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Merge pull request #136 from Since-3/refactor/automatic-image-downsizer
added automatic image downsizer for vercel image optimization
This commit is contained in:
commit
9ef2acb5bd
5 changed files with 263 additions and 17 deletions
78
DEPLOYMENT.md
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78
DEPLOYMENT.md
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@ -0,0 +1,78 @@
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# Deployment: Staging (Vercel)
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Kumasy läuft als Staging-Umgebung auf Vercel, getriggert über den `dev`-Branch. Dieses Dokument beschreibt den aktuellen Aufbau, damit er reproduzierbar ist und man bei Fehlern schnell die Ursache findet.
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Kein Docker: die App ist ein reines Next.js 16 (App Router) Full-Stack-Projekt ohne separaten Server/WebSockets — alles läuft als Vercel Serverless/Edge Functions. Ein eigenes Image würde hier nur Komplexität ohne Nutzen hinzufügen.
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## Architektur
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- **Hosting:** Vercel, Git-Integration mit `Since-3/Kuma`. Push auf `dev` → automatisches Preview-Deployment (= Staging). `main` ist als Production-Branch gesetzt, aber Production ist bislang **nicht** eingerichtet (kein eigenes Supabase-Projekt, keine Production-Env-Vars) — dieses Dokument behandelt nur Staging.
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- **Staging-URL (fest, an `dev` gepinnt):** `https://kumasy-git-dev-kumasy.vercel.app`
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- **Region:** Vercel Functions laufen in `fra1` (Frankfurt) — bewusst umgestellt, weil die Default-Region (Cleveland/US East) wegen der Entfernung zur Supabase-DB in `eu-central-1` spürbar langsam war.
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- **Datenbank/Auth:** eigenes, separates Supabase-Projekt für Staging (Projekt-Ref `pyxjpsalchmnlyqfnzfw`), **nicht** dasselbe wie Produktion. Postgres + Supabase Auth (E-Mail/Passwort + Google OAuth).
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- **Storage:** Supabase Storage, Bucket `avatars` (public) — wird für Profilbilder und Kursbilder verwendet.
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- **Zahlungen:** Stripe, Test-Mode. Eigener Webhook-Endpoint für die Staging-URL (Webhook-Secrets sind pro Endpoint eindeutig, können nicht mit Produktion geteilt werden).
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- **E-Mail:** Resend, gleicher API-Key wie lokal/Produktion (kein Test/Live-Split wie bei Stripe).
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## Environment-Variablen
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Alle in Vercel unter **Project Settings → Environment Variables**, Scope **"Preview"** (niemals "Production" — das hält Staging- und Produktions-Secrets sauber getrennt).
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| Variable | Quelle |
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| ---------------------------------------------------------- | ----------------------------------------------------------------------------------------------------- |
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| `DATABASE_URL` | Supabase Staging, Transaction Pooler, Port 6543, `?pgbouncer=true&connection_limit=1` |
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| `DIRECT_URL` | Supabase Staging, **Session Pooler** (nicht Direct Connection!), Port 5432 — siehe Stolperfalle unten |
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| `NEXT_PUBLIC_SUPABASE_URL` | Supabase Staging Projekt-URL |
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| `NEXT_PUBLIC_SUPABASE_ANON_KEY` | Supabase Staging anon key |
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| `SUPABASE_SERVICE_ROLE_KEY` | Supabase Staging service_role key |
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| `RESEND_API_KEY` / `RESEND_FROM` / `SMTP_TEST_MAIL` | wiederverwendet von lokal |
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| `STRIPE_SECRET_KEY` / `NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY` | Test-Mode-Keys, wiederverwendet von lokal |
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| `STRIPE_WEBHOOK_SECRET` | eigener Wert, siehe Stripe-Webhook unten |
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| `STRIPE_PLATFORM_FEE_PERCENT` | gleicher Wert wie lokal |
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| `NEXT_PUBLIC_SITE_URL` / `NEXT_PUBLIC_APP_URL` | `https://kumasy-git-dev-kumasy.vercel.app` |
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| `COMPANY_NAME` | `"Kumasy"` |
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Lokales Pendant für einmalige DB-Operationen gegen Staging (z.B. neue Migrationen einspielen): `.env.staging` im Repo-Root, gitignored (`.env*` steht in `.gitignore`), wird nie committed.
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## Build Command (Vercel Project Settings → Build & Development Settings)
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```
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npx prisma generate && npx prisma migrate deploy && next build
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```
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`package.json` hat kein `postinstall` für Prisma — ohne diesen Override würde der Build mit fehlendem/veraltetem Prisma Client scheitern, und neue Migrationen würden nie automatisch angewendet.
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## Bekannte Stolperfallen (aufgetreten während des Erstaufbaus)
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1. **`prisma.config.ts` + Vercel = Crash beim Config-Laden.** Prisma 6.19's `env()`-Helper wirft synchron beim Laden der Config, wenn die Variable zu dem Zeitpunkt nicht sichtbar ist (bekannter Prisma-Bug, siehe [prisma/prisma#28607](https://github.com/prisma/prisma/issues/28607)). Fix: in `prisma.config.ts` `process.env.DATABASE_URL!` statt `env("DATABASE_URL")` verwenden.
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2. **Supabase Direct Connection ist IPv6-only.** `db.<project-ref>.supabase.co:5432` (die klassische "Direct Connection") funktioniert nicht von Vercels Build-Containern aus (`P1001: Can't reach database server`), weil dort kein IPv6 verfügbar ist. Für `DIRECT_URL` stattdessen den **Session Pooler** verwenden: `aws-0-eu-central-1.pooler.supabase.com:5432` (gleicher Host wie der Transaction Pooler, nur Port 5432 statt 6543, ohne `pgbouncer=true`).
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3. **`.env.example` hat einen Fehler:** zeigt `DIRECT_URL` mit Port 6543, obwohl der Kommentar "für Migrationen" sagt. Der Pooler/Direct-Unterschied ist der Port, nicht nur der Host — siehe Punkt 2 für den korrekten Wert.
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4. **Schema-Drift zwischen `schema.prisma` und den committeten Migrationen.** Mehrere Felder (`Employee.permissions/roles/locations/onboardingToken`, `Business.stripeAccountId/slug`, `CourseBooking`-Zahlungsfelder, `GuestLead`-Tabelle) existierten im Schema, aber in keiner Migrationsdatei — offenbar wurden sie irgendwann per `prisma db push` direkt an einer DB angelegt, ohne die Migration zu committen. Behoben durch `prisma migrate diff --from-url $DIRECT_URL --to-schema-datamodel prisma/schema.prisma --script`, das Ergebnis als neue Migration (`prisma/migrations/20260729161133_sync_schema_drift/`) committed. **Wichtig für Produktion:** dort existieren dieselben Spalten vermutlich schon (per `db push`) — diese Migration darf dort nicht ausgeführt, sondern muss mit `prisma migrate resolve --applied 20260729161133_sync_schema_drift` als bereits angewendet markiert werden, sonst schlägt `migrate deploy` mit "column already exists" fehl.
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5. **Next.js Image Optimization braucht die Storage-Domain explizit.** `next.config.ts` → `images.remotePatterns` muss den Hostnamen des jeweiligen Supabase-Projekts enthalten. Staging-Domain wurde ergänzt, Produktions-Domain bleibt zusätzlich bestehen (dieselbe Datei bedient später auch Production).
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6. **Storage-Buckets werden nicht mitkopiert.** Ein neues Supabase-Projekt hat keine Buckets — `avatars` (public) musste manuell im Staging-Projekt angelegt werden, sonst schlagen Uploads mit "Bucket not found" fehl.
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## Reihenfolge, falls das Setup je neu aufgebaut werden muss
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1. Neues Supabase-Projekt anlegen, Connection-Strings/Keys notieren (Pooler für `DATABASE_URL`, **Session Pooler** für `DIRECT_URL`).
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2. Migrationen einmalig lokal einspielen: `npx prisma migrate deploy` mit `.env.staging`.
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3. Storage-Bucket `avatars` (public) im neuen Projekt anlegen.
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4. Vercel-Projekt importieren, Branch-Domain auf `dev` pinnen (Project Settings → Domains).
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5. Region auf `fra1` stellen (Project Settings → Functions).
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6. Stripe-Test-Webhook auf die Staging-Domain anlegen, Signing Secret notieren.
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7. Alle Env-Vars in Vercel eintragen (Scope: Preview), Build Command überschreiben.
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8. Ersten Deploy auslösen, danach Google OAuth in Supabase (Site URL, Redirect URLs) auf die bestätigte Staging-Domain konfigurieren.
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9. `next.config.ts` um die neue Storage-Domain ergänzen, committen.
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## Verifikations-Checkliste
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- [x] Homepage lädt, Bilder rendern (dicebear, Supabase Storage, Google-Avatare)
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- [x] Öffentliche Listing-Seite zeigt echte Daten aus der Staging-DB
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- [x] E-Mail/Passwort-Registrierung funktioniert
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- [x] Google-Login funktioniert Ende-zu-Ende
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- [x] Schreibvorgang (z.B. Kurs anlegen) funktioniert
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- [x] Bild-Upload rendert korrekt
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- [ ] Stripe-Checkout mit Testkarte `4242 4242 4242 4242` — **noch offen**, hängt an Stripe Connect Onboarding
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- [ ] Stripe-Webhook zeigt "delivered", `CourseBooking.paymentStatus` wechselt auf `"paid"` — **noch offen**
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- [ ] Buchungsbestätigungs-Mail kommt tatsächlich an (Resend) — **noch offen**
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- [ ] Stripe Connect Onboarding — **noch offen**
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- [x] Beide Sprachen (de/en) spot-gecheckt
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@ -2,7 +2,9 @@
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import { useRef, useState } from "react";
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import Image from "next/image";
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import { Camera, X } from "lucide-react";
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import { Camera, Loader2, X } from "lucide-react";
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import { downsizeImage } from "@/src/lib/image/downsize";
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import { Progress } from "@/src/components/ui/progress";
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interface ImageUploadComponentProps {
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value: File | null;
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@ -14,11 +16,18 @@ interface ImageUploadComponentProps {
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const ImageUploadComponent = ({ value, preview, onChange, error }: ImageUploadComponentProps) => {
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const inputRef = useRef<HTMLInputElement>(null);
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const [isDragging, setIsDragging] = useState(false);
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const [isOptimizing, setIsOptimizing] = useState(false);
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const handleFile = (file: File) => {
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const handleFile = async (file: File) => {
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if (!file.type.startsWith("image/")) return;
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const url = URL.createObjectURL(file);
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onChange(file, url);
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setIsOptimizing(true);
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try {
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const resizedFile = await downsizeImage(file);
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const url = URL.createObjectURL(resizedFile);
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onChange(resizedFile, url);
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} finally {
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setIsOptimizing(false);
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}
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};
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const handleInputChange = (e: React.ChangeEvent<HTMLInputElement>) => {
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@ -42,19 +51,26 @@ const ImageUploadComponent = ({ value, preview, onChange, error }: ImageUploadCo
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return (
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<div className="flex flex-col items-center gap-3">
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<div
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onClick={() => inputRef.current?.click()}
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onClick={() => !isOptimizing && inputRef.current?.click()}
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onDragOver={(e) => {
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e.preventDefault();
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setIsDragging(true);
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if (!isOptimizing) setIsDragging(true);
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}}
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onDragLeave={() => setIsDragging(false)}
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onDrop={handleDrop}
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className={`relative w-28 h-28 rounded-full border-2 border-dashed flex items-center justify-center cursor-pointer transition-colors overflow-hidden
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onDrop={isOptimizing ? undefined : handleDrop}
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className={`relative w-28 h-28 rounded-full border-2 border-dashed flex items-center justify-center transition-colors overflow-hidden
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${isOptimizing ? "cursor-wait" : "cursor-pointer"}
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${isDragging ? "border-blue bg-blue/5" : "border-gray-300 hover:border-blue hover:bg-gray-50"}
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${preview ? "border-solid border-blue" : ""}
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`}
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>
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{preview ? (
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{isOptimizing ? (
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<div className="flex flex-col items-center gap-1.5 text-gray-400 px-3 w-full">
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<Loader2 size={22} className="animate-spin" />
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<span className="text-[11px] text-center leading-tight">Bild wird optimiert…</span>
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<Progress value={60} className="w-full max-w-16" />
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</div>
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) : preview ? (
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<>
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<Image src={preview} alt="Profilbild Vorschau" fill className="object-cover" />
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<button
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@ -76,7 +92,8 @@ const ImageUploadComponent = ({ value, preview, onChange, error }: ImageUploadCo
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<button
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type="button"
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onClick={() => inputRef.current?.click()}
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className="text-sm text-blue underline cursor-pointer"
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disabled={isOptimizing}
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className="text-sm text-blue underline cursor-pointer disabled:opacity-50 disabled:cursor-not-allowed"
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>
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{preview ? "Bild ändern" : "Bild auswählen"}
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</button>
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@ -86,6 +103,7 @@ const ImageUploadComponent = ({ value, preview, onChange, error }: ImageUploadCo
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type="file"
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accept="image/*"
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className="hidden"
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disabled={isOptimizing}
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onChange={handleInputChange}
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/>
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25
src/components/ui/progress.tsx
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25
src/components/ui/progress.tsx
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@ -0,0 +1,25 @@
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import { cn } from "@/src/lib/utils"
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function Progress({
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className,
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value = 0,
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...props
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}: React.ComponentProps<"div"> & { value?: number }) {
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return (
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<div
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role="progressbar"
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aria-valuenow={value}
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aria-valuemin={0}
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aria-valuemax={100}
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className={cn("bg-gray-200 relative h-1.5 w-full overflow-hidden rounded-full", className)}
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{...props}
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>
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<div
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className="bg-blue h-full transition-all duration-300 ease-out"
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style={{ width: `${Math.min(100, Math.max(0, value))}%` }}
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/>
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</div>
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)
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}
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export { Progress }
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96
src/lib/image/downsize.ts
Normal file
96
src/lib/image/downsize.ts
Normal file
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@ -0,0 +1,96 @@
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"use client";
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const MAX_DIMENSION = 1920;
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const JPEG_QUALITY = 0.8;
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const MAX_BYTES = 4 * 1024 * 1024;
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const MIN_DIMENSION = 320;
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const MIN_QUALITY = 0.5;
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/**
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* Downsizes the Image on the Client via Canvas so it will
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* get through Vercels Image-Optimization-Limits (max. 4 MB).
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* Animated GIFs and non-image files are returned unchanged, since
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* rasterizing them via Canvas would destroy the animation.
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*/
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export async function downsizeImage(
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file: File,
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maxDimension: number = MAX_DIMENSION,
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quality: number = JPEG_QUALITY,
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maxBytes: number = MAX_BYTES
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): Promise<File> {
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if (
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!file.type.startsWith("image/") ||
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file.type === "image/svg+xml" ||
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file.type === "image/gif"
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) {
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return file;
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}
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const bitmap = await createImageBitmap(file).catch(() => null);
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if (!bitmap) return file;
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const { width, height } = bitmap;
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const canvas = document.createElement("canvas");
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const ctx = canvas.getContext("2d");
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if (!ctx) {
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bitmap.close();
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return file;
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}
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const outputType = file.type === "image/png" ? "image/png" : "image/jpeg";
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let currentScale = Math.min(1, maxDimension / Math.max(width, height));
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let currentQuality = quality;
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let bestBlob: Blob | null = null;
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// Iteratively shrink dimensions/quality until the output fits under maxBytes,
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// or we hit the floor (MIN_DIMENSION / MIN_QUALITY) and give up further shrinking.
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for (let attempt = 0; attempt < 8; attempt++) {
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const targetWidth = Math.max(1, Math.round(width * currentScale));
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const targetHeight = Math.max(1, Math.round(height * currentScale));
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canvas.width = targetWidth;
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canvas.height = targetHeight;
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ctx.clearRect(0, 0, targetWidth, targetHeight);
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ctx.drawImage(bitmap, 0, 0, targetWidth, targetHeight);
|
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|
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const blob = await new Promise<Blob | null>((resolve) =>
|
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canvas.toBlob(resolve, outputType, outputType === "image/jpeg" ? currentQuality : undefined)
|
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);
|
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|
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if (!blob) break;
|
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bestBlob = blob;
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|
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if (blob.size <= maxBytes) break;
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|
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const atMinDimension = Math.max(targetWidth, targetHeight) <= MIN_DIMENSION;
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const atMinQuality = outputType !== "image/jpeg" || currentQuality <= MIN_QUALITY;
|
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if (atMinDimension && atMinQuality) break;
|
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|
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if (outputType === "image/jpeg" && currentQuality > MIN_QUALITY) {
|
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currentQuality = Math.max(MIN_QUALITY, currentQuality - 0.15);
|
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} else if (!atMinDimension) {
|
||||
currentScale *= 0.75;
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
bitmap.close();
|
||||
|
||||
if (!bestBlob || bestBlob.size >= file.size) {
|
||||
return file;
|
||||
}
|
||||
|
||||
if (bestBlob.size > maxBytes) {
|
||||
throw new Error(
|
||||
"Das Bild ist zu groß und konnte nicht ausreichend komprimiert werden. Bitte ein kleineres Bild wählen."
|
||||
);
|
||||
}
|
||||
|
||||
const newName = outputType === file.type ? file.name : file.name.replace(/\.[^.]+$/, "") + ".jpg";
|
||||
|
||||
return new File([bestBlob], newName, { type: outputType, lastModified: Date.now() });
|
||||
}
|
||||
|
|
@ -13,9 +13,11 @@ import { getMyRooms } from "@/src/modules/rooms/actions/room-actions";
|
|||
import { getMyTrainers } from "@/src/modules/employee/actions/employee-actions";
|
||||
import { toast } from "sonner";
|
||||
import { Course } from "../../types/course.types";
|
||||
import { Trash2, ImagePlus, X } from "lucide-react";
|
||||
import { Trash2, ImagePlus, X, Loader2 } from "lucide-react";
|
||||
import Image from "next/image";
|
||||
import DeleteDialog from "@/src/components/layout/DeleteDialog";
|
||||
import { Progress } from "@/src/components/ui/progress";
|
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import { downsizeImage } from "@/src/lib/image/downsize";
|
||||
import { useDeleteCourse } from "../../hooks/useDeleteCourse";
|
||||
import {
|
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StandingOrderScopeDialog,
|
||||
|
|
@ -149,6 +151,7 @@ const CourseCreateView = ({
|
|||
isEdit ? (initialData!.coverImage ?? null) : null
|
||||
);
|
||||
const [isUploadingImage, setIsUploadingImage] = useState(false);
|
||||
const [imageUploadPhase, setImageUploadPhase] = useState<"optimizing" | "uploading" | null>(null);
|
||||
|
||||
const isStandingOrderRelated =
|
||||
isEdit && !!(initialData?.parentCourseId || initialData?.isStandingOrder);
|
||||
|
|
@ -219,9 +222,12 @@ const CourseCreateView = ({
|
|||
const file = e.target.files?.[0];
|
||||
if (!file) return;
|
||||
setIsUploadingImage(true);
|
||||
setImageUploadPhase("optimizing");
|
||||
try {
|
||||
const resizedFile = await downsizeImage(file);
|
||||
setImageUploadPhase("uploading");
|
||||
const formData = new FormData();
|
||||
formData.append("file", file);
|
||||
formData.append("file", resizedFile);
|
||||
const res = await fetch("/api/upload/course-image", { method: "POST", body: formData });
|
||||
const json = await res.json();
|
||||
if (!res.ok) throw new Error(json.error);
|
||||
|
|
@ -229,6 +235,7 @@ const CourseCreateView = ({
|
|||
} catch (err) {
|
||||
toast.error(err instanceof Error ? err.message : "Fehler beim Hochladen");
|
||||
} finally {
|
||||
setImageUploadPhase(null);
|
||||
setIsUploadingImage(false);
|
||||
}
|
||||
};
|
||||
|
|
@ -352,6 +359,10 @@ const CourseCreateView = ({
|
|||
};
|
||||
|
||||
const handleSubmit = async (status: "draft" | "published") => {
|
||||
if (isUploadingImage) {
|
||||
toast.info("Bitte warten Sie, bis das Kursbild hochgeladen wurde.");
|
||||
return;
|
||||
}
|
||||
if (status === "published" && !validateForm()) {
|
||||
toast.error("Bitte füllen Sie alle erforderlichen Felder aus");
|
||||
return;
|
||||
|
|
@ -577,9 +588,20 @@ const CourseCreateView = ({
|
|||
</button>
|
||||
</div>
|
||||
) : (
|
||||
<label className="flex flex-col items-center justify-center w-full h-32 border-2 border-dashed border-gray-300 rounded-xl cursor-pointer hover:border-gray-400 transition-colors">
|
||||
<label className="flex flex-col items-center justify-center w-full h-32 border-2 border-dashed border-gray-300 rounded-xl cursor-pointer hover:border-gray-400 transition-colors px-6">
|
||||
{isUploadingImage ? (
|
||||
<span className="text-sm text-gray-500">Wird hochgeladen…</span>
|
||||
<div className="flex flex-col items-center gap-2 w-full">
|
||||
<Loader2 size={20} className="text-gray-400 animate-spin" />
|
||||
<span className="text-sm text-gray-500">
|
||||
{imageUploadPhase === "optimizing"
|
||||
? "Bild wird optimiert…"
|
||||
: "Wird hochgeladen…"}
|
||||
</span>
|
||||
<Progress
|
||||
value={imageUploadPhase === "optimizing" ? 40 : 85}
|
||||
className="w-full max-w-48"
|
||||
/>
|
||||
</div>
|
||||
) : (
|
||||
<>
|
||||
<ImagePlus size={24} className="text-gray-400 mb-1" />
|
||||
|
|
@ -717,21 +739,28 @@ const CourseCreateView = ({
|
|||
</>
|
||||
)}
|
||||
<div className="flex gap-2">
|
||||
<Button onClick={() => handleSubmit("published")} disabled={isSubmitting}>
|
||||
<Button
|
||||
onClick={() => handleSubmit("published")}
|
||||
disabled={isSubmitting || isUploadingImage}
|
||||
>
|
||||
{isSubmitting
|
||||
? "Wird gespeichert..."
|
||||
: mode === "edit"
|
||||
? "Änderungen speichern"
|
||||
: "Veröffentlichen"}
|
||||
</Button>
|
||||
<Button variant="outline" onClick={() => router.push("/courses")} disabled={isSubmitting}>
|
||||
<Button
|
||||
variant="outline"
|
||||
onClick={() => router.push("/courses")}
|
||||
disabled={isSubmitting || isUploadingImage}
|
||||
>
|
||||
Abbrechen
|
||||
</Button>
|
||||
</div>
|
||||
<button
|
||||
className="mt-6 mb-4 w-fit cursor-pointer hover:underline disabled:opacity-50 disabled:cursor-not-allowed"
|
||||
onClick={() => handleSubmit("draft")}
|
||||
disabled={isSubmitting}
|
||||
disabled={isSubmitting || isUploadingImage}
|
||||
>
|
||||
{mode === "edit" ? "Als Entwurf speichern" : "Entwurf speichern"}
|
||||
</button>
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue