feat:add Finds feature with media upload and R2 support

src/routes/api/finds/+server.ts

@@ -0,0 +1,131 @@
+import { json, error } from '@sveltejs/kit';
+import type { RequestHandler } from './$types';
+import { db } from '$lib/server/db';
+import { find, findMedia, user } from '$lib/server/db/schema';
+import { eq, and, sql } from 'drizzle-orm';
+import { encodeBase64url } from '@oslojs/encoding';
+
+function generateFindId(): string {
+	const bytes = crypto.getRandomValues(new Uint8Array(15));
+	return encodeBase64url(bytes);
+}
+
+export const GET: RequestHandler = async ({ url, locals }) => {
+	if (!locals.user) {
+		throw error(401, 'Unauthorized');
+	}
+
+	const lat = url.searchParams.get('lat');
+	const lng = url.searchParams.get('lng');
+	const radius = url.searchParams.get('radius') || '10';
+
+	if (!lat || !lng) {
+		throw error(400, 'Latitude and longitude are required');
+	}
+
+	// Query finds within radius (simplified - in production use PostGIS)
+	// For MVP, using a simple bounding box approach
+	const latNum = parseFloat(lat);
+	const lngNum = parseFloat(lng);
+	const radiusNum = parseFloat(radius);
+
+	// Rough conversion: 1 degree ≈ 111km
+	const latDelta = radiusNum / 111;
+	const lngDelta = radiusNum / (111 * Math.cos((latNum * Math.PI) / 180));
+
+	const finds = await db
+		.select({
+			find: find,
+			user: {
+				id: user.id,
+				username: user.username
+			}
+		})
+		.from(find)
+		.innerJoin(user, eq(find.userId, user.id))
+		.where(
+			and(
+				eq(find.isPublic, 1),
+				// Simple bounding box filter
+				sql`CAST(${find.latitude} AS NUMERIC) BETWEEN ${latNum - latDelta} AND ${latNum + latDelta}`,
+				sql`CAST(${find.longitude} AS NUMERIC) BETWEEN ${lngNum - lngDelta} AND ${lngNum + lngDelta}`
+			)
+		)
+		.orderBy(find.createdAt);
+
+	// Get media for each find
+	const findsWithMedia = await Promise.all(
+		finds.map(async (item) => {
+			const media = await db
+				.select()
+				.from(findMedia)
+				.where(eq(findMedia.findId, item.find.id))
+				.orderBy(findMedia.orderIndex);
+
+			return {
+				...item.find,
+				user: item.user,
+				media: media
+			};
+		})
+	);
+
+	return json(findsWithMedia);
+};
+
+export const POST: RequestHandler = async ({ request, locals }) => {
+	if (!locals.user) {
+		throw error(401, 'Unauthorized');
+	}
+
+	const data = await request.json();
+	const { title, description, latitude, longitude, locationName, category, isPublic, media } = data;
+
+	if (!title || !latitude || !longitude) {
+		throw error(400, 'Title, latitude, and longitude are required');
+	}
+
+	if (title.length > 100) {
+		throw error(400, 'Title must be 100 characters or less');
+	}
+
+	if (description && description.length > 500) {
+		throw error(400, 'Description must be 500 characters or less');
+	}
+
+	const findId = generateFindId();
+
+	// Create find
+	const newFind = await db
+		.insert(find)
+		.values({
+			id: findId,
+			userId: locals.user.id,
+			title,
+			description,
+			latitude: latitude.toString(),
+			longitude: longitude.toString(),
+			locationName,
+			category,
+			isPublic: isPublic ? 1 : 0
+		})
+		.returning();
+
+	// Create media records if provided
+	if (media && media.length > 0) {
+		const mediaRecords = media.map(
+			(item: { type: string; url: string; thumbnailUrl?: string }, index: number) => ({
+				id: generateFindId(),
+				findId,
+				type: item.type,
+				url: item.url,
+				thumbnailUrl: item.thumbnailUrl,
+				orderIndex: index
+			})
+		);
+
+		await db.insert(findMedia).values(mediaRecords);
+	}
+
+	return json({ success: true, find: newFind[0] });
+};