25 lines
1014 B
TypeScript
25 lines
1014 B
TypeScript
import { Ressources } from "@/class/class";
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import { db } from "@/firebase_config";
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import { doc, runTransaction, increment, arrayUnion } from "firebase/firestore";
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export async function borrowRessource(chantierId: string, ressource: Ressources, quantity: number) {
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const chantierRef = doc(db, "chantier", chantierId);
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const ressourceRef = doc(db, "ressources", ressource.id.toString());
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await runTransaction(db, async (transaction) => {
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const resSnap = await transaction.get(ressourceRef);
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if (!resSnap.exists()) throw new Error("Ressource not found");
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const available = resSnap.data().available_quantity;
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if (available < quantity) throw new Error("Not enough quantity available");
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transaction.update(ressourceRef, {
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available_quantity: increment(-quantity),
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});
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const borrowed: Ressources = { ...ressource, quantity };
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transaction.update(chantierRef, {
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vehicules: arrayUnion(borrowed),
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});
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});
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}
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