feat:big update to public finds

src/routes/api/finds/[findId]/+server.ts

@@ -0,0 +1,115 @@
+import { json, error } from '@sveltejs/kit';
+import type { RequestHandler } from './$types';
+import { db } from '$lib/server/db';
+import { find, findMedia, user, findLike, findComment } from '$lib/server/db/schema';
+import { eq, sql } from 'drizzle-orm';
+import { getLocalR2Url } from '$lib/server/r2';
+
+export const GET: RequestHandler = async ({ params, locals }) => {
+	const findId = params.findId;
+
+	if (!findId) {
+		throw error(400, 'Find ID is required');
+	}
+
+	try {
+		// Get the find with user info and like count
+		const findResult = await db
+			.select({
+				id: find.id,
+				title: find.title,
+				description: find.description,
+				latitude: find.latitude,
+				longitude: find.longitude,
+				locationName: find.locationName,
+				category: find.category,
+				isPublic: find.isPublic,
+				createdAt: find.createdAt,
+				userId: find.userId,
+				username: user.username,
+				profilePictureUrl: user.profilePictureUrl,
+				likeCount: sql<number>`COALESCE(COUNT(DISTINCT ${findLike.id}), 0)`,
+				commentCount: sql<number>`COALESCE((
+					SELECT COUNT(*) FROM ${findComment}
+					WHERE ${findComment.findId} = ${find.id}
+				), 0)`,
+				isLikedByUser: locals.user
+					? sql<boolean>`CASE WHEN EXISTS(
+						SELECT 1 FROM ${findLike}
+						WHERE ${findLike.findId} = ${find.id}
+						AND ${findLike.userId} = ${locals.user.id}
+					) THEN 1 ELSE 0 END`
+					: sql<boolean>`0`
+			})
+			.from(find)
+			.innerJoin(user, eq(find.userId, user.id))
+			.leftJoin(findLike, eq(find.id, findLike.findId))
+			.where(eq(find.id, findId))
+			.groupBy(find.id, user.username, user.profilePictureUrl)
+			.limit(1);
+
+		if (findResult.length === 0) {
+			throw error(404, 'Find not found');
+		}
+
+		const findData = findResult[0];
+
+		// Check if the find is public or if user has access
+		const isOwner = locals.user && findData.userId === locals.user.id;
+		const isPublic = findData.isPublic === 1;
+
+		if (!isPublic && !isOwner) {
+			throw error(403, 'This find is private');
+		}
+
+		// Get media for the find
+		const media = await db
+			.select({
+				id: findMedia.id,
+				findId: findMedia.findId,
+				type: findMedia.type,
+				url: findMedia.url,
+				thumbnailUrl: findMedia.thumbnailUrl,
+				orderIndex: findMedia.orderIndex
+			})
+			.from(findMedia)
+			.where(eq(findMedia.findId, findId))
+			.orderBy(findMedia.orderIndex);
+
+		// Generate signed URLs for media
+		const mediaWithSignedUrls = await Promise.all(
+			media.map(async (mediaItem) => {
+				const localUrl = getLocalR2Url(mediaItem.url);
+				const localThumbnailUrl =
+					mediaItem.thumbnailUrl && !mediaItem.thumbnailUrl.startsWith('/')
+						? getLocalR2Url(mediaItem.thumbnailUrl)
+						: mediaItem.thumbnailUrl;
+
+				return {
+					...mediaItem,
+					url: localUrl,
+					thumbnailUrl: localThumbnailUrl
+				};
+			})
+		);
+
+		// Generate local proxy URL for user profile picture
+		let userProfilePictureUrl = findData.profilePictureUrl;
+		if (userProfilePictureUrl && !userProfilePictureUrl.startsWith('http')) {
+			userProfilePictureUrl = getLocalR2Url(userProfilePictureUrl);
+		}
+
+		return json({
+			...findData,
+			profilePictureUrl: userProfilePictureUrl,
+			media: mediaWithSignedUrls,
+			isLikedByUser: Boolean(findData.isLikedByUser)
+		});
+	} catch (err) {
+		console.error('Error loading find:', err);
+		if (err instanceof Error && 'status' in err) {
+			throw err;
+		}
+		throw error(500, 'Failed to load find');
+	}
+};