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fix: return clean errors and refund quota on AI provider failures

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AI routes had no consistent error handling — a provider failure (e.g.
OpenRouter returning a degraded-model error) crashed the route as an
uncaught 500 and, worse, still charged the user's monthly aiCall
quota for a request that never succeeded.

Adds withAiQuota()/aiErrorResponse() (lib/ai/ai-error.ts) and applies
them across all 12 AI generation routes: charges the quota, runs the
AI call, refunds the credit and returns a clean user-facing message
if it throws. Frontend needs no changes — existing dialogs already
toast whatever `error` string comes back.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
Arnaud
2026-07-02 12:32:31 +02:00
parent e5d1080fb9
commit 524310433c
16 changed files with 325 additions and 165 deletions
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apps/web/app/api/v1/ai/drinks/[id]/route.ts
+18 -16
View File
@@ -3,7 +3,7 @@ import { z } from "zod";
import { and, eq } from "@epicure/db";
import { db, recipes } from "@epicure/db";
import { requireSession } from "@/lib/api-auth";
import { checkAndIncrementTierLimit } from "@/lib/tiers";
import { withAiQuota } from "@/lib/ai/ai-error";
import { suggestDrinks } from "@/lib/ai/features/suggest-drinks";
import { withUserKey } from "@/lib/ai/resolve-user-key";
import { getUserPrivateBio } from "@/lib/ai/user-bio";
@@ -34,24 +34,26 @@ export async function POST(req: NextRequest, { params }: Params) {
const parsed = Schema.safeParse(body ?? {});
if (!parsed.success) return NextResponse.json({ error: "Validation error" }, { status: 400 });
await checkAndIncrementTierLimit(session!.user.id, session!.user.tier as "free" | "pro", "aiCall");
const [aiConfig, privateBio] = await Promise.all([
withUserKey(session!.user.id, { provider: parsed.data.provider, model: parsed.data.model }),
getUserPrivateBio(session!.user.id),
]);
const drinks = await suggestDrinks(
{
title: recipe.title,
description: recipe.description,
difficulty: recipe.difficulty,
dietaryTags: recipe.dietaryTags as Record<string, boolean> | null,
ingredients: recipe.ingredients,
},
parsed.data.count,
{ ...aiConfig, userContext: privateBio ?? undefined },
(session!.user as { locale?: string }).locale ?? "en"
);
return NextResponse.json({ drinks });
const result = await withAiQuota(session!.user.id, session!.user.tier as "free" | "pro", () =>
suggestDrinks(
{
title: recipe.title,
description: recipe.description,
difficulty: recipe.difficulty,
dietaryTags: recipe.dietaryTags as Record<string, boolean> | null,
ingredients: recipe.ingredients,
},
parsed.data.count,
{ ...aiConfig, userContext: privateBio ?? undefined },
(session!.user as { locale?: string }).locale ?? "en"
)
);
if (!result.ok) return result.response;
return NextResponse.json({ drinks: result.data });
}