Strapi Not able to save cart collections and not event showing detailing error
src/api/cart/controllers/cart.js
"use strict";
/**
* cart controller
*/
const { createCoreController } = require("@strapi/strapi").factories;
module.exports = createCoreController("api::cart.cart", ({ strapi }) => ({
async createCartData(ctx) {
try {
function isCartIdOnlyNumbers(cartId) {
return /^[0-9]+$/.test(cartId);
}
const { id } = ctx.params; // guest_id or numeric user id
const { user, items = [] } = ctx.request.body;
const userId = user?.id;
let cart = null;
// 🧠 Helper to calculate totals
const processProducts = (items) => {
return items.map((item) => {
const total = item.extra_info.reduce((sum, ei) => sum + ei.price, 0);
const line_price = total * item.quantity;
return {
__component: "shared.product-detail",
product:
typeof item.product === "object" && item?.product?.id
? Number(item.product.id)
: Number(item.product),
quantity: Number(item.quantity),
total: Number(total),
line_price: Number(line_price),
extra_info: item.extra_info.map((ei) => ({
__component: "shared.extra-info",
license:
typeof ei.license === "object" && ei?.license?.id
? Number(ei.license.id)
: Number(ei.license),
price: Number(ei.price),
})),
};
});
};
const formattedProducts = processProducts(items);
const totalCartPrice = formattedProducts.reduce(
(sum, p) => sum + p.line_price,
0
);
if (!isCartIdOnlyNumbers(id)) {
// id is guest_id
cart = await strapi.db.query("api::cart.cart").findOne({
where: { guest_id: id },
});
if (cart) {
if (userId) {
// Update guest cart to assign user and null guest_id
cart = await strapi.db.query("api::cart.cart").update({
where: { id: cart.id },
data: {
user: userId,
guest_id: null,
products: formattedProducts,
totalPrice: totalCartPrice,
},
});
} else {
// Just update products in guest cart
cart = await strapi.db.query("api::cart.cart").update({
where: { id: cart.id },
data: {
products: formattedProducts,
totalPrice: totalCartPrice,
},
});
}
return ctx.send({
result: true,
message: "Cart updated successfully",
data: cart,
});
}
// No guest cart found
if (userId) {
const existingUserCart = await strapi.db
.query("api::cart.cart")
.findOne({
where: { user: userId },
});
if (existingUserCart) {
// Update user cart with guest_id + new products
cart = await strapi.db.query("api::cart.cart").update({
where: { id: existingUserCart.id },
data: {
guest_id: id,
products: formattedProducts,
totalPrice: totalCartPrice,
},
});
} else {
// Create new cart
cart = await strapi.db.query("api::cart.cart").create({
data: {
guest_id: id,
user: userId,
products: formattedProducts,
totalPrice: totalCartPrice,
},
});
}
return ctx.send({
result: true,
message: "Cart created or updated with guest ID and user",
data: cart,
});
}
// Guest-only cart
cart = await strapi.db.query("api::cart.cart").create({
data: {
guest_id: id,
products: formattedProducts,
totalPrice: totalCartPrice,
},
});
return ctx.send({
result: true,
message: "Guest cart created",
data: cart,
});
} else {
// id is a numeric user ID
const existingUserCart = await strapi.db
.query("api::cart.cart")
.findOne({
where: { user: id },
});
if (existingUserCart) {
// Update existing cart
cart = await strapi.db.query("api::cart.cart").update({
where: { id: existingUserCart.id },
data: {
user: parseInt(id),
guest_id: null,
products: formattedProducts,
totalPrice: totalCartPrice,
},
});
} else {
// Create new cart
cart = await strapi.db.query("api::cart.cart").create({
data: {
user: parseInt(id),
guest_id: null,
products: formattedProducts,
totalPrice: totalCartPrice,
},
});
}
return ctx.send({
result: true,
message: "User cart created or updated",
data: cart,
});
}
} catch (error) {
console.error("Error in createCartData:", error);
return ctx.throw(500, "Internal server error");
}
},
}));
showing error like
Error in createCartData: Error: Invalid id, expected a string or integer, got [object Object]
at /var/www/demo.com/node_modules/@strapi/database/dist/index.js:6450:19
at Array.map ()
at toIdArray (/var/www/demo.com/node_modules/@strapi/database/dist/index.js:6440:70)
at toAssocs (/var/www/demo.com/node_modules/@strapi/database/dist/index.js:6459:42)
at Object.updateRelations (/var/www/demo.com/node_modules/@strapi/database/dist/index.js:6986:43)
at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
at async Object.update (/var/www/demo.com/node_modules/@strapi/database/dist/index.js:6681:17)
at async Object.createCartData (/var/www/demo.com/src/api/cart/controllers/cart.js:216:16)
at async returnBodyMiddleware (/var/www/demo.com/node_modules/@strapi/core/dist/index.js:2485:20)
at async policiesMiddleware (/var/www/demo.com/node_modules/@strapi/core/dist/index.js:2443:9)
[2025-04-18 06:40:56.832] error: Internal server error
InternalServerError: Internal server error
at Object.throw (/var/www/demo.com/node_modules/koa/lib/context.js:97:11)
at Object.createCartData (/var/www/demo.com/src/api/cart/controllers/cart.js:245:21)
at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
at async returnBodyMiddleware (/var/www/demo.com/node_modules/@strapi/core/dist/index.js:2485:20)
at async policiesMiddleware (/var/www/demo.com/node_modules/@strapi/core/dist/index.js:2443:9)
at async /var/www/demo.com/node_modules/@strapi/core/dist/index.js:2466:20
at async /var/www/demo.com/node_modules/@strapi/core/dist/index.js:4691:17
at async /var/www/demo.com/node_modules/@strapi/core/dist/index.js:4649:9
at async cors (/var/www/demo.com/node_modules/@koa/cors/index.js:106:16)
at async /var/www/demo.com/node_modules/@strapi/core/dist/index.js:4580:13 enter code here
Answer
Not getting this question answer i also have same problem