feat:profile pictures

src/lib/server/media-processor.ts

@@ -123,3 +123,85 @@ export async function processAndUploadVideo(
 		fallbackThumbnailUrl: thumbnailUrl
 	};
 }
+
+export async function processAndUploadProfilePicture(
+	file: File,
+	userId: string
+): Promise<{
+	url: string;
+	thumbnailUrl: string;
+	fallbackUrl?: string;
+	fallbackThumbnailUrl?: string;
+}> {
+	const buffer = Buffer.from(await file.arrayBuffer());
+
+	// Generate unique filename
+	const timestamp = Date.now();
+	const randomId = Math.random().toString(36).substring(2, 15);
+	const filename = `users/${userId}/profile-${timestamp}-${randomId}`;
+
+	// Process full-size image in WebP format (with JPEG fallback)
+	const processedWebP = await sharp(buffer)
+		.resize(400, 400, {
+			fit: 'cover',
+			position: 'centre'
+		})
+		.webp({ quality: 85, effort: 4 })
+		.toBuffer();
+
+	// Generate JPEG fallback for older browsers
+	const processedJPEG = await sharp(buffer)
+		.resize(400, 400, {
+			fit: 'cover',
+			position: 'centre'
+		})
+		.jpeg({ quality: 85, progressive: true })
+		.toBuffer();
+
+	// Generate smaller thumbnail in WebP format
+	const thumbnailWebP = await sharp(buffer)
+		.resize(150, 150, {
+			fit: 'cover',
+			position: 'centre'
+		})
+		.webp({ quality: 80, effort: 4 })
+		.toBuffer();
+
+	// Generate JPEG thumbnail fallback
+	const thumbnailJPEG = await sharp(buffer)
+		.resize(150, 150, {
+			fit: 'cover',
+			position: 'centre'
+		})
+		.jpeg({ quality: 80 })
+		.toBuffer();
+
+	// Upload all variants to R2
+	const webpFile = new File([new Uint8Array(processedWebP)], `${filename}.webp`, {
+		type: 'image/webp'
+	});
+	const jpegFile = new File([new Uint8Array(processedJPEG)], `${filename}.jpg`, {
+		type: 'image/jpeg'
+	});
+	const thumbWebPFile = new File([new Uint8Array(thumbnailWebP)], `${filename}-thumb.webp`, {
+		type: 'image/webp'
+	});
+	const thumbJPEGFile = new File([new Uint8Array(thumbnailJPEG)], `${filename}-thumb.jpg`, {
+		type: 'image/jpeg'
+	});
+
+	const [webpPath, jpegPath, thumbWebPPath, thumbJPEGPath] = await Promise.all([
+		uploadToR2(webpFile, `${filename}.webp`, 'image/webp'),
+		uploadToR2(jpegFile, `${filename}.jpg`, 'image/jpeg'),
+		uploadToR2(thumbWebPFile, `${filename}-thumb.webp`, 'image/webp'),
+		uploadToR2(thumbJPEGFile, `${filename}-thumb.jpg`, 'image/jpeg')
+	]);
+
+	// Return WebP URLs as primary, JPEG as fallback (client can choose based on browser support)
+	return {
+		url: webpPath,
+		thumbnailUrl: thumbWebPPath,
+		fallbackUrl: jpegPath,
+		fallbackThumbnailUrl: thumbJPEGPath
+	};
+}