51 lines
1.6 KiB
TypeScript
51 lines
1.6 KiB
TypeScript
import { PrismaClient } from "@prisma/client";
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function middleware(prisma: PrismaClient) {
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/***********************************/
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/* SOFT DELETE MIDDLEWARE */
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/***********************************/
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prisma.$use(async (params, next) => {
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// Check incoming query type
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if (params.model === "BookingReference") {
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if (params.action === "delete") {
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// Delete queries
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// Change action to an update
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params.action = "update";
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params.args["data"] = { deleted: true };
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}
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if (params.action === "deleteMany") {
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// Delete many queries
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params.action = "updateMany";
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if (params.args.data !== undefined) {
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params.args.data["deleted"] = true;
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} else {
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params.args["data"] = { deleted: true };
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}
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}
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if (params.action === "findUnique") {
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// Change to findFirst - you cannot filter
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// by anything except ID / unique with findUnique
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params.action = "findFirst";
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// Add 'deleted' filter
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// ID filter maintained
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params.args.where["deleted"] = null;
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}
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if (params.action === "findMany" || params.action === "findFirst") {
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// Find many queries
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if (params.args.where !== undefined) {
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if (params.args.where.deleted === undefined) {
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// Exclude deleted records if they have not been explicitly requested
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params.args.where["deleted"] = null;
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}
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} else {
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params.args["where"] = { deleted: null };
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}
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}
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}
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return next(params);
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});
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}
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export default middleware;
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