All files / apps/web/src/handlers/receipt-items update.ts

100% Statements 22/22
100% Branches 13/13
100% Functions 2/2
100% Lines 22/22

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import { TRPCError } from "@trpc/server";
import type { Updateable } from "kysely";
import { z } from "zod";
 
import {
	priceSchema,
	quantitySchema,
	receiptItemNameSchema,
} from "~app/utils/validation";
import type { DB } from "~db/types.gen";
import { getAccessRole } from "~web/handlers/receipts/utils";
import { authProcedure } from "~web/handlers/trpc";
import { receiptItemIdSchema } from "~web/handlers/validation";
 
export const procedure = authProcedure
	.meta({
		title: "Update receipt item",
		description:
			"Updates the name, price, or quantity of an item by id on its receipt.",
	})
	.input(
		z.strictObject({
			id: receiptItemIdSchema,
			update: z.discriminatedUnion("type", [
				z.strictObject({
					type: z.literal("name"),
					name: receiptItemNameSchema,
				}),
				z.strictObject({ type: z.literal("price"), price: priceSchema }),
				z.strictObject({
					type: z.literal("quantity"),
					quantity: quantitySchema,
				}),
			]),
		}),
	)
	.mutation(async ({ input, ctx }) => {
		const { database } = ctx;
		const receiptItem = await database
			.selectFrom("receiptItems")
			.innerJoin("receipts", (qb) =>
				qb.onRef("receipts.id", "=", "receiptItems.receiptId"),
			)
			.select(["receipts.id as receiptId", "receipts.ownerUserId"])
			.where("receiptItems.id", "=", input.id)
			.limit(1)
			.executeTakeFirst();
		if (!receiptItem) {
			throw new TRPCError({
				code: "NOT_FOUND",
				message: `Receipt item "${input.id}" is not found.`,
			});
		}
		if (receiptItem.receiptId === input.id) {
			throw new TRPCError({
				code: "FORBIDDEN",
				message: `Payers receipt item cannot be updated.`,
			});
		}
		const accessRole = await getAccessRole(
			database,
			{ id: receiptItem.receiptId, ownerUserId: receiptItem.ownerUserId },
			ctx.auth.userId,
		);
		if (!accessRole) {
			throw new TRPCError({
				code: "FORBIDDEN",
				message: `Receipt "${receiptItem.receiptId}" is not allowed to be modified by "${ctx.auth.email}".`,
			});
		}
		if (accessRole !== "owner" && accessRole !== "editor") {
			throw new TRPCError({
				code: "FORBIDDEN",
				message: `Receipt "${receiptItem.receiptId}" is not allowed to be modified by "${ctx.auth.email}" with role "${accessRole}"`,
			});
		}
		let setObject: Updateable<DB["receiptItems"]> = {};
		switch (input.update.type) {
			case "name":
				setObject = { name: input.update.name };
				break;
			case "price":
				setObject = { price: input.update.price.toString() };
				break;
			case "quantity":
				setObject = { quantity: input.update.quantity.toString() };
				break;
		}
		await database
			.updateTable("receiptItems")
			.set(setObject)
			.where("id", "=", input.id)
			.executeTakeFirst();
	});