import type { GraphQLClient } from "graphql-request";
import { gql } from "graphql-request";
import { z } from "zod";
import type { StoreManager } from "../stores/storeManager.js";
// Input schema for updating a product variant
const UpdateProductVariantInputSchema = z.object({
storeId: z.string().min(1).describe("The store ID to update variant in"),
productId: z.string().min(1).describe("Product ID (GID format: gid://shopify/Product/...)"),
id: z.string().min(1).describe("Variant ID (GID format: gid://shopify/ProductVariant/...)"),
price: z.string().optional().describe("Price of the variant"),
compareAtPrice: z.string().optional().describe("Compare at price for the variant"),
sku: z.string().optional().describe("SKU of the variant"),
barcode: z.string().optional().describe("Barcode of the variant"),
inventoryPolicy: z.enum(["DENY", "CONTINUE"]).optional().describe("Whether to allow purchases when inventory is zero"),
inventoryQuantities: z.array(z.object({
availableQuantity: z.number(),
locationId: z.string().describe("Location ID (GID format)")
})).optional().describe("Inventory quantities at different locations"),
optionValues: z.array(z.object({
optionName: z.string(),
name: z.string()
})).optional().describe("Variant option values with option names"),
taxable: z.boolean().optional().describe("Whether the variant is taxable"),
});
type UpdateProductVariantInput = z.infer<typeof UpdateProductVariantInputSchema>;
// Will be initialized in index.ts
let storeManager: StoreManager;
const updateProductVariant = {
name: "update-product-variant",
description: "Update an existing product variant's information in a specific store",
schema: UpdateProductVariantInputSchema,
// Add initialize method to set up the store manager
initialize(manager: StoreManager) {
storeManager = manager;
},
execute: async (input: UpdateProductVariantInput) => {
try {
const { storeId, productId, id, ...variantFields } = input;
// Get the appropriate client for this store
const shopifyClient = storeManager.getClient(storeId);
const query = gql`
mutation productVariantsBulkUpdate($productId: ID!, $variants: [ProductVariantsBulkInput!]!) {
productVariantsBulkUpdate(productId: $productId, variants: $variants) {
productVariants {
id
title
price
compareAtPrice
sku
barcode
inventoryPolicy
inventoryQuantity
selectedOptions {
name
value
}
taxable
}
userErrors {
field
message
}
}
}
`;
const variables = {
productId,
variants: [{
id,
...variantFields,
}],
};
const data = (await shopifyClient.request(query, variables)) as {
productVariantsBulkUpdate: {
productVariants: any[];
userErrors: Array<{
field: string;
message: string;
}>;
};
};
// If there are user errors, throw an error
if (data.productVariantsBulkUpdate.userErrors.length > 0) {
throw new Error(
`Failed to update product variant: ${data.productVariantsBulkUpdate.userErrors
.map((e) => `${e.field}: ${e.message}`)
.join(", ")}`
);
}
// Return the first (and only) variant updated
return { productVariant: data.productVariantsBulkUpdate.productVariants[0] };
} catch (error) {
console.error("Error updating product variant:", error);
throw new Error(
`Failed to update product variant: ${
error instanceof Error ? error.message : String(error)
}`
);
}
},
};
export { updateProductVariant };
