2025-10-20 13:06:06 +08:00

65 lines
2.3 KiB
TypeScript

import { NextRequest, NextResponse } from 'next/server';
import { prisma } from '@/lib/prisma';
import type { FeedItem, FeedResponse } from '@/app/types/feed';
// Contract
// Inputs: search params { before?: ISOString, limit?: number }
// Output: { items: FeedItem[], nextCursor: ISOString | null }
export async function GET(req: NextRequest) {
const { searchParams } = new URL(req.url);
const limitParam = searchParams.get('limit');
const beforeParam = searchParams.get('before');
const limit = Math.min(Math.max(Number(limitParam ?? '24'), 1), 60); // 1..60
const before = beforeParam ? new Date(beforeParam) : null;
// fetch chunk from both tables
const [videos, posts] = await Promise.all([
prisma.video.findMany({
where: before ? { created_at: { lt: before } } : undefined,
orderBy: { created_at: 'desc' },
take: limit,
include: { author: true },
}),
prisma.imagePost.findMany({
where: before ? { created_at: { lt: before } } : undefined,
orderBy: { created_at: 'desc' },
take: limit,
include: { author: true, images: { orderBy: { order: 'asc' }, take: 1 } },
}),
]);
const merged: FeedItem[] = [
...videos.map((v) => ({
type: 'video' as const,
aweme_id: v.aweme_id,
created_at: v.created_at,
desc: v.desc,
video_url: v.video_url,
cover_url: v.cover_url ?? null,
width: v.width ?? null,
height: v.height ?? null,
author: { nickname: v.author.nickname, avatar_url: v.author.avatar_url ?? null },
likes: Number(v.digg_count),
})),
...posts.map((p) => ({
type: 'image' as const,
aweme_id: p.aweme_id,
created_at: p.created_at,
desc: p.desc,
cover_url: p.images?.[0]?.url ?? null,
width: p.images?.[0]?.width ?? null,
height: p.images?.[0]?.height ?? null,
author: { nickname: p.author.nickname, avatar_url: p.author.avatar_url ?? null },
likes: Number(p.digg_count),
})),
]
.sort((a, b) => +new Date(b.created_at as any) - +new Date(a.created_at as any))
.slice(0, limit);
const nextCursor = merged.length > 0 ? new Date(merged[merged.length - 1].created_at as any).toISOString() : null;
const payload: FeedResponse = { items: merged, nextCursor };
return NextResponse.json(payload);
}