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fix(affiliate): validate commission inputs #62

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Merged
ralyodio merged 1 commit into from
Jul 30, 2026
Merged

fix(affiliate): validate commission inputs #62

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7 changes: 6 additions & 1 deletion app/api/affiliate/route.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,12 @@ export async function POST(req: NextRequest) {
if (aff.plan !== "paid") {
return NextResponse.json({ error: `Free plan is floored at ${AFFILIATE_FLOOR}%. Upgrade to $1/mo to lower it.` }, { status: 403 });
}
await setAffiliateCommission(id, Number(body.commission_pct));
const raw = body.commission_pct;
const pct = typeof raw === "number" ? raw : typeof raw === "string" ? Number(raw) : NaN;
if (!Number.isFinite(pct) || pct < 1 || pct > 100) {
return NextResponse.json({ error: "commission_pct must be a number between 1 and 100." }, { status: 400 });
}
await setAffiliateCommission(id, pct);
} else {
// Default action: enroll (idempotent).
await enrollAffiliate(id);
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