feat: implement file upload functionality and create file serving endpoint

.gitignore

@@ -27,3 +27,6 @@ vite.config.ts.timestamp-*
 
 # Script outputs
 /scraped-data
+
+# Uploads
+/uploads

src/routes/(admin)/admin/characters/+page.server.ts

@@ -3,6 +3,9 @@ import { character, devilFruit, arc, characterOverride } from '$lib/server/db/sc
 import { eq } from 'drizzle-orm';
 import { fail } from '@sveltejs/kit';
 import type { PageServerLoad, Actions } from './$types';
+import { writeFile } from 'fs/promises';
+import { join } from 'path';
+import { existsSync, mkdirSync } from 'fs';
 
 export const load: PageServerLoad = async () => {
 	const [charactersData, devilFruits, arcs, overrides] = await Promise.all([
@@ -101,8 +104,38 @@ export const actions: Actions = {
 
 			const updates: Record<string, any> = {};
 
+			// Handle file upload
+			const pictureFile = formData.get('pictureFile') as File;
+			const hasUploadedPicture = !!pictureFile && pictureFile.size > 0;
+			if (hasUploadedPicture) {
+				try {
+					const uploadsDir = join(process.cwd(), 'uploads');
+					if (!existsSync(uploadsDir)) {
+						mkdirSync(uploadsDir, { recursive: true });
+					}
+
+					// Get file extension
+					const extension = pictureFile.name.split('.').pop();
+					const filename = `${id}.${extension}`;
+					const filepath = join(uploadsDir, filename);
+
+					// Convert file to buffer and save
+					const buffer = Buffer.from(await pictureFile.arrayBuffer());
+					await writeFile(filepath, buffer);
+
+					// Update pictureUrl to point to the handler route
+					updates.pictureUrl = `/uploads/${filename}`;
+				} catch (error) {
+					console.error('File upload error:', error);
+					return fail(500, { error: 'Failed to upload file' });
+				}
+			}
+
 			formData.forEach((value, key) => {
-				if (key !== 'id') {
+				if (key !== 'id' && key !== 'pictureFile') {
+					if (hasUploadedPicture && key === 'pictureUrl') {
+						return;
+					}
 					// Handle integers (age, bounty, height, devilFruitId, arcId)
 					if (key === 'age' || key === 'bounty' || key === 'height' || key === 'devilFruitId' || key === 'arcId') {
 						const strValue = value as string;

src/routes/(admin)/admin/characters/+page.svelte

@@ -30,6 +30,14 @@
 		}, 3000);
 	};
 
+	const handleFileSelect = (event: Event) => {
+		const target = event.target as HTMLInputElement;
+		if (target.files && target.files.length > 0) {
+			// Clear pictureUrl when a file is selected
+			editForm.pictureUrl = '';
+		}
+	};
+
 	const getFandomUrl = (url: string | null | undefined) => {
 		if (!url) return null;
 		if (url.startsWith('http://') || url.startsWith('https://')) return url;
@@ -516,6 +524,7 @@
 					class="mt-6 space-y-4"
 					method="POST"
 					action="?/update"
+					enctype="multipart/form-data"
 					use:enhance={() => {
 						isSaving = true;
 						return async ({ result }) => {
@@ -780,6 +789,20 @@
 							/>
 						</div>
 
+						<div>
+							<label for="char-picture-file" class="block text-sm font-medium text-gray-300 mb-2">Or Upload Picture</label>
+							<input
+								type="file"
+								id="char-picture-file"
+								name="pictureFile"
+								accept="image/*"
+								onchange={handleFileSelect}
+								class="w-full rounded-lg border border-gray-500 bg-slate-800 px-3 py-2 text-white file:mr-4 file:py-2 file:px-4 file:rounded file:border-0 file:text-sm file:font-semibold file:bg-amber-600 file:text-white hover:file:bg-amber-700"
+							/>
+							<p class="mt-1 text-xs text-gray-400">File will be saved as {selectedChar?.id}.jpg/png/etc</p>
+						</div>
+
+
 						<div>
 							<label for="char-url" class="block text-sm font-medium text-gray-300 mb-2">Fandom URL</label>
 							<input

src/routes/uploads/[filename]/+server.ts

@@ -0,0 +1,51 @@
+import { readFile } from 'fs/promises';
+import { join } from 'path';
+import { existsSync } from 'fs';
+import type { RequestHandler } from '@sveltejs/kit';
+
+export const GET: RequestHandler = async ({ params }) => {
+	const filename = params.filename as string;
+
+	if (!filename || typeof filename !== 'string' || filename.includes('..') || filename.includes('/')) {
+		return new Response('Invalid filename', { status: 400 });
+	}
+
+	try {
+		const uploadsDir = join(process.cwd(), 'uploads');
+		const filepath = join(uploadsDir, filename);
+
+		if (!existsSync(filepath)) {
+			return new Response('File not found', { status: 404 });
+		}
+
+		// Verify the file is within uploads directory (prevent directory traversal)
+		if (!filepath.startsWith(uploadsDir)) {
+			return new Response('Access denied', { status: 403 });
+		}
+
+		const fileBuffer = await readFile(filepath);
+		
+		// Determine content type based on file extension
+		const ext = (filename as string).split('.').pop()?.toLowerCase() || '';
+		const contentTypes: Record<string, string> = {
+			'jpg': 'image/jpeg',
+			'jpeg': 'image/jpeg',
+			'png': 'image/png',
+			'gif': 'image/gif',
+			'webp': 'image/webp',
+			'svg': 'image/svg+xml'
+		};
+		const contentType = contentTypes[ext] || 'application/octet-stream';
+
+		return new Response(fileBuffer, {
+			status: 200,
+			headers: {
+				'Content-Type': contentType,
+				'Cache-Control': 'public, max-age=86400'
+			}
+		});
+	} catch (error) {
+		console.error('File serving error:', error);
+		return new Response('Internal server error', { status: 500 });
+	}
+};