| import { and, count, desc, eq, inArray } from "drizzle-orm"; |
| import { NextRequest, NextResponse } from "next/server"; |
| import { getDb } from "@/db"; |
| import { comments, postLikes, posts, users } from "@/db/schema"; |
| import { apiResponseError, parseLimit } from "@/lib/api"; |
| import { getSessionUser } from "@/lib/session"; |
|
|
| export async function GET(request: NextRequest) { |
| try { |
| const limit = parseLimit(request.nextUrl.searchParams.get("limit"), 20, 50); |
| const session = await getSessionUser(request); |
| const db = getDb(); |
| const rows = await db.select({ |
| post: posts, |
| author: { |
| id: users.id, |
| name: users.name, |
| username: users.username, |
| headline: users.headline, |
| avatarUrl: users.avatarUrl, |
| }, |
| }) |
| .from(posts) |
| .innerJoin(users, eq(users.id, posts.authorId)) |
| .orderBy(desc(posts.createdAt)) |
| .limit(limit); |
|
|
| const postIds = rows.map((row) => row.post.id); |
| const likeRows = postIds.length |
| ? await db.select({ postId: postLikes.postId, value: count() }).from(postLikes).where(inArray(postLikes.postId, postIds)).groupBy(postLikes.postId) |
| : []; |
| const commentRows = postIds.length |
| ? await db.select({ postId: comments.postId, value: count() }).from(comments).where(inArray(comments.postId, postIds)).groupBy(comments.postId) |
| : []; |
| const myLikes = session && postIds.length |
| ? await db.select({ postId: postLikes.postId }).from(postLikes).where(and(inArray(postLikes.postId, postIds), eq(postLikes.userId, session.user.id))) |
| : []; |
|
|
| const likeCount = new Map(likeRows.map((row) => [row.postId, row.value])); |
| const commentCount = new Map(commentRows.map((row) => [row.postId, row.value])); |
| const liked = new Set(myLikes.map((row) => row.postId)); |
|
|
| return NextResponse.json({ |
| posts: rows.map((row) => ({ |
| ...row.post, |
| author: row.author, |
| likes: likeCount.get(row.post.id) ?? 0, |
| comments: commentCount.get(row.post.id) ?? 0, |
| liked: liked.has(row.post.id), |
| })), |
| }); |
| } catch (error) { |
| return apiResponseError(error); |
| } |
| } |
|
|
