61 lines
1.9 KiB
TypeScript
61 lines
1.9 KiB
TypeScript
import { NextRequest, NextResponse } from "next/server";
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import { z } from "zod";
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import { db, recipes, eq, and, or } from "@epicure/db";
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import { requireSession } from "@/lib/api-auth";
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import { applyRateLimit } from "@/lib/rate-limit";
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import { getDefaultProviderWithKey } from "@/lib/ai/resolve-user-key";
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import { checkAndIncrementTierLimit } from "@/lib/tiers";
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import { scaleRecipe } from "@/lib/ai/features/scale-recipe";
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const Schema = z.object({
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recipeId: z.string(),
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targetServings: z.number().int().min(1).max(100),
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});
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export async function POST(req: NextRequest) {
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const { session, response } = await requireSession();
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if (response) return response;
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const limited = await applyRateLimit(`rl:ai:scale:${session!.user.id}`, 20, 60);
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if (limited) return limited;
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const body = await req.json() as unknown;
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const parsed = Schema.safeParse(body);
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if (!parsed.success) return NextResponse.json({ error: "Validation error" }, { status: 400 });
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const { recipeId, targetServings } = parsed.data;
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const recipe = await db.query.recipes.findFirst({
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where: and(
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eq(recipes.id, recipeId),
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or(
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eq(recipes.authorId, session!.user.id),
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eq(recipes.visibility, "public")
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)
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),
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with: { ingredients: true },
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});
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if (!recipe) {
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return NextResponse.json({ error: "Not found" }, { status: 404 });
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}
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await checkAndIncrementTierLimit(session!.user.id, session!.user.tier as "free" | "pro", "aiCall");
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const aiConfig = await getDefaultProviderWithKey(session!.user.id);
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const scaledIngredients = await scaleRecipe(
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{
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title: recipe.title,
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baseServings: recipe.baseServings,
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ingredients: recipe.ingredients,
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},
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targetServings,
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recipe.baseServings,
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aiConfig,
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(session!.user as { locale?: string }).locale ?? "en"
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);
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return NextResponse.json({ ingredients: scaledIngredients });
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}
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