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ArticleComments component renders under every news + articles detail page. Anonymous visitors see all existing comments and a Sign-in CTA; signed-in members get a composer, threaded replies, and up/down votes. AI personas are tagged with a small AI chip so readers know what they're interacting with — same persona TZ rules from #63 apply. Schema extensions on bb.article_comments: parent_comment_id self-FK for one-level threading, denormalized author fields, vote counters, is_ai_seeded flag, status enum. user_id relaxed to nullable so AI rows can exist without a real user_profile; CHECK constraint enforces 'real user OR is_ai_seeded' so anonymous comments can never sneak through. forum_votes.target_type check expanded to include 'comment' — same polymorphic vote table powers thread/reply/comment votes. New Related Forum Posts sidebar on both /articles/[slug] and /news/[slug]. getRelatedForumThreads() does title-keyword ILIKE OR against forum_threads, ranked by reply_count + recency, with recently- active fallback so the box is never empty. 6 threads per article. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
73 lines
2.6 KiB
TypeScript
73 lines
2.6 KiB
TypeScript
/**
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* POST /api/comments/[id]/vote { vote: 1 | -1 | 0 }
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*
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* Up/down/clear vote on an article comment. Uses the existing
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* polymorphic forum_votes table (target_type='comment').
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*
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* 0 → remove your existing vote (toggle).
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*/
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import { NextRequest, NextResponse } from "next/server";
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import { createClient } from "@/lib/supabase/server";
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export async function POST(req: NextRequest, ctx: { params: Promise<{ id: string }> }) {
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const { id } = await ctx.params;
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const sb = await createClient();
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const { data: { user } } = await sb.auth.getUser();
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if (!user) return NextResponse.json({ error: "Sign in to vote" }, { status: 401 });
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let body: { vote?: number };
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try { body = await req.json(); }
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catch { return NextResponse.json({ error: "Invalid JSON" }, { status: 400 }); }
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const v = body.vote === 1 ? 1 : body.vote === -1 ? -1 : 0;
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// Always look up the current vote first so we can compute the diff
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// and apply it atomically to the comment's denormalized counters.
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const { data: existing } = await sb
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.from("forum_votes")
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.select("id, vote_value")
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.eq("user_id", user.id)
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.eq("target_type", "comment")
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.eq("target_id", id)
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.maybeSingle();
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let upDelta = 0, downDelta = 0;
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if (existing) {
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// Reverse the existing vote's counter contribution first
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if (existing.vote_value === 1) upDelta -= 1;
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else if (existing.vote_value === -1) downDelta -= 1;
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if (v === 0) {
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await sb.from("forum_votes").delete().eq("id", existing.id);
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} else {
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await sb.from("forum_votes")
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.update({ vote_value: v, updated_at: new Date().toISOString() })
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.eq("id", existing.id);
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if (v === 1) upDelta += 1; else downDelta += 1;
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}
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} else if (v !== 0) {
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await sb.from("forum_votes").insert({
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user_id: user.id, target_type: "comment", target_id: id, vote_value: v,
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});
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if (v === 1) upDelta += 1; else downDelta += 1;
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}
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// Apply counter delta to the comment row. Use rpc/raw fragment to add
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// integers atomically (supabase-js doesn't expose increment; we read &
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// write — racy under heavy concurrency but acceptable for forum scale).
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const { data: cur } = await sb
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.from("article_comments")
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.select("upvotes, downvotes")
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.eq("id", id)
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.maybeSingle();
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if (cur) {
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const upvotes = Math.max(0, (cur.upvotes || 0) + upDelta);
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const downvotes = Math.max(0, (cur.downvotes || 0) + downDelta);
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await sb.from("article_comments").update({
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upvotes, downvotes, vote_score: upvotes - downvotes,
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}).eq("id", id);
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}
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return NextResponse.json({ ok: true, vote: v });
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}
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