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Feat: Add Gemini moderation for new comments

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multipleof4
2025-10-02 15:02:28 -07:00
parent 0994c7c6e4
commit 02f94fb09d
1 changed files with 4 additions and 0 deletions
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4
functions/api/comments.js
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@@ -32,6 +32,10 @@ export async function onRequestPost({request,env}){
const{post_id,parent_id,content}=body;
if(!post_id||!content)return json({error:'Missing fields'},{status:400},request);
const mod=await fetch(`https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash-lite:generateContent?key=${env.GOOGLE_KEY}`,{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({contents:[{parts:[{text:`Is this appropriate for a public forum? Respond ONLY "yes" or "no".\n\n${content}`}]}]})});
if(!mod.ok){const err=await mod.text();return json({error:{message:`Moderation failed: ${err}`}},{status:500},request)}
if((await mod.json()).candidates?.[0]?.content.parts[0].text.trim().toLowerCase()!=='yes')return json({error:{message:'Comment rejected by Gemini 2.5 Flash Lite.'}},{status:400},request);
const{meta}=await env.D1_SPCHCAP.prepare('INSERT INTO comments(post_id,user_id,parent_id,content)VALUES(?,?,?,?)').bind(post_id,user.id,parent_id||null,content).run();
await env.D1_SPCHCAP.prepare('UPDATE posts SET comment_count=comment_count+1 WHERE id=?').bind(post_id).run();
if(parent_id)await env.D1_SPCHCAP.prepare('UPDATE comments SET reply_count=reply_count+1 WHERE id=?').bind(parent_id).run();