fix: build errors and merging projects and homepage

src/lib/server/r2.ts

@@ -0,0 +1,86 @@
+import { S3Client, PutObjectCommand, DeleteObjectCommand } from '@aws-sdk/client-s3';
+import { getSignedUrl } from '@aws-sdk/s3-request-presigner';
+import { env } from '$env/dynamic/private';
+import { randomUUID } from 'crypto';
+
+function isConfigured(): boolean {
+	return !!(
+		env.R2_ACCESS_KEY_ID &&
+		env.R2_SECRET_ACCESS_KEY &&
+		env.R2_ACCOUNT_ID &&
+		env.R2_BUCKET &&
+		env.R2_PUBLIC_URL
+	);
+}
+
+let _client: S3Client | null = null;
+
+function getClient(): S3Client {
+	if (!_client) {
+		if (!isConfigured()) throw new Error('R2 is not configured — check your .env');
+		_client = new S3Client({
+			region: 'auto',
+			endpoint: `https://${env.R2_ACCOUNT_ID}.r2.cloudflarestorage.com`,
+			credentials: {
+				accessKeyId: env.R2_ACCESS_KEY_ID!,
+				secretAccessKey: env.R2_SECRET_ACCESS_KEY!
+			}
+		});
+	}
+	return _client;
+}
+
+const ALLOWED_MIME_TYPES = ['image/jpeg', 'image/png', 'image/webp', 'image/heic'] as const;
+export type AllowedMimeType = (typeof ALLOWED_MIME_TYPES)[number];
+
+export function isAllowedMimeType(mime: string): mime is AllowedMimeType {
+	return (ALLOWED_MIME_TYPES as readonly string[]).includes(mime);
+}
+
+const EXT: Record<AllowedMimeType, string> = {
+	'image/jpeg': 'jpg',
+	'image/png': 'png',
+	'image/webp': 'webp',
+	'image/heic': 'heic'
+};
+
+export interface PresignedUpload {
+	/** R2 object key — store this in the DB */
+	key: string;
+	/** One-time presigned PUT URL — browser PUTs file directly here */
+	uploadUrl: string;
+	/** Permanent public URL to store in photos table */
+	publicUrl: string;
+}
+
+/**
+ * Generate a presigned PUT URL for a single photo.
+ *
+ * Flow:
+ *   1. Client POSTs to /api/upload/presign → gets { key, uploadUrl, publicUrl }
+ *   2. Client PUTs file to uploadUrl (direct to R2, server never sees the bytes)
+ *   3. Client submits sighting with photo keys included
+ *   4. Server stores key + publicUrl in photos table
+ */
+export async function createPresignedUpload(mimeType: AllowedMimeType): Promise<PresignedUpload> {
+	const key = `sightings/${randomUUID()}.${EXT[mimeType]}`;
+
+	const uploadUrl = await getSignedUrl(
+		getClient(),
+		new PutObjectCommand({
+			Bucket: env.R2_BUCKET,
+			Key: key,
+			ContentType: mimeType
+		}),
+		{ expiresIn: 3600 }
+	);
+
+	return { key, uploadUrl, publicUrl: `${env.R2_PUBLIC_URL}/${key}` };
+}
+
+/**
+ * Delete a photo from R2 by its key.
+ */
+export async function deleteObject(key: string): Promise<void> {
+	await getClient().send(new DeleteObjectCommand({ Bucket: env.R2_BUCKET, Key: key }));
+}