Panduan praktis dan terstruktur mengenai panduan react tanstack query: edit dan update data ke api (usequery & usemutation) (part 7) berstandar enterprise. Pelajari konsep, implementasi kode modern, dan tips arsitektur enterprise siap produksi.
Selamat datang di seri tutorial engineering SiHubung! Pada artikel ini, kita akan membedah secara komprehensif implementasi Panduan React Tanstack Query: Edit Dan Update Data Ke Api (Usequery & Usemutation) (Part 7) Berstandar Enterprise dengan standar kode bersih (clean code), performa tinggi, dan arsitektur siap produksi.

Membangun aplikasi web di era modern memerlukan pondasi yang kokoh. Framework modern memberikan fleksibilitas luar biasa bagi developer untuk menghadirkan fitur kompleks secara cepat tanpa mengabaikan aspek keamanan dan keandalan sistem.

Tahapan Implementasi & Walkthrough Kode

Berikut adalah langkah demi langkah teknis yang dapat Anda ikuti langsung pada codebase Anda:

Tahap 1: Penulisan Kode & Konfigurasi

// import hook useState, useEffect dari react
import { useState, useEffect } from "react";

// import useNavigate dan useParams dari react-router
import { useNavigate, useParams } from "react-router";

// import useMutation dan useQuery dari react-query
import { useMutation, useQuery } from "@tanstack/react-query";

// import api dari folder api
import Api from "../../api";

const ProductEdit = () => {

    // State for image, title, description, price, stock and errors
    const [image, setImage] = useState(null);
    const [title, setTitle] = useState("");
    const [description, setDescription] = useState("");
    const [price, setPrice] = useState("");
    const [stock, setStock] = useState("");
    const [errors, setErrors] = useState({});

    // Initialize useNavigate
    const navigate = useNavigate();

    // Initialize useParams
    const { id } = useParams();

    // fetch detail product by id
    const { data, isLoading, isError } = useQuery({

        // Set the query key
        queryKey: ['product', id],

        // Set the query function
        queryFn: async () => {
            const res = await Api.get(`/api/products/${id}`);
            return res.data.data;
        }
    });

    // Then use useEffect to handle the data when it changes
    useEffect(() => {
        if (data) {
            setTitle(data.title);
            setDescription(data.description);
            setPrice(data.price);
            setStock(data.stock);
        }
    }, [data]);

    //function to handle file change
    const handleFileChange = (e) => {
        if (e.target.files && e.target.files[0]) {
            setImage(e.target.files[0]);
        }
    };

    // Initialize useMutation
    const mutationProduct = useMutation({

        //mutation function
        mutationFn: async (formData) => {

            // Call the API to update the product by id
            return await Api.post(`/api/products/${id}`, formData);
        },
        onSuccess: () => {

            // Redirect to the product index page
            navigate("/products");
        },
        onError: (error) => {

            // set errors if there is an error
            setErrors(error.response.data);
        },
    });

    //function to handle form submission
    const updateProduct = (e) => {
        e.preventDefault();

        // Initialize formData
        const formData = new FormData();

        // Append data to formData
        if (image) formData.append("image", image);
        formData.append("title", title);
        formData.append("description", description);
        formData.append("price", price);
        formData.append("stock", stock);
        formData.append("_method", "PUT");

        // Call the mutationProduct function
        mutationProduct.mutate(formData);
    };

    return (
        <div className="container mt-5">
            <div className="row">
                <div className="col-md-12">
                    <div className="card border-0 rounded-3 shadow">
                        <div className="card-body">

                            {/* Loading State */}
                            {isLoading && (
                                <div className="alert alert-info text-center">Loading product...</div>
                            )}

                            {/* Error State */}
                            {isError && (
                                <div className="alert alert-danger text-center">
                                    Error loading product. Please try again.
                                </div>
                            )}

                            <form onSubmit={updateProduct}>
                                <div className="mb-3">
                                    <label className="form-label fw-bold">Image</label>
                                    <input
                                        type="file"
                                        onChange={handleFileChange}
                                        className="form-control"
                                    />
                                    {errors.image && (
                                        <div className="alert alert-danger mt-2">
                                            {errors.image[0]}
                                        </div>
                                    )}
                                </div>
                                <div className="mb-3">
                                    <label className="form-label fw-bold">Title</label>
                                    <input
                                        type="text"
                                        className="form-control"
                                        value={title}
                                        onChange={(e) => setTitle(e.target.value)}
                                        placeholder="Title Product"
                                    />
                                    {errors.title && (
                                        <div className="alert alert-danger mt-2">
                                            {errors.title[0]}
                                        </div>
                                    )}
                                </div>
                                <div className="mb-3">
                                    <label className="form-label fw-bold">Description</label>
                                    <textarea
                                        className="form-control"
                                        value={description}
                                        onChange={(e) => setDescription(e.target.value)}
                                        rows={5}
                                        placeholder="Description Product"
                                    />
                                    {errors.description && (
                                        <div className="alert alert-danger mt-2">
                                            {errors.description[0]}
                                        </div>
                                    )}
                                </div>
                                <div className="row">
                                    <div className="col-md-6">
                                        <div className="mb-3">
                                            <label className="form-label fw-bold">Price</label>
                                            <input
                                                type="number"
                                                className="form-control"
                                                value={price}
                                                onChange={(e) => setPrice(e.target.value)}
                                                placeholder="Price Product"
                                            />
                                            {errors.price && (
                                                <div className="alert alert-danger mt-2">
                                                    {errors.price[0]}
                                                </div>
                                            )}
                                        </div>
                                    </div>
                                    <div className="col-md-6">
                                        <div className="mb-3">
                                            <label className="form-label fw-bold">Stock</label>
                                            <input
                                                type="number"
                                                className="form-control"
                                                value={stock}
                                                onChange={(e) => setStock(e.target.value)}
                                                placeholder="Stock Product"
                                            />
                                            {errors.stock && (
                                                <div className="alert alert-danger mt-2">
                                                    {errors.stock[0]}
                                                </div>
                                            )}
                                        </div>
                                    </div>
                                </div>
                                <button
                                    type="submit"
                                    className="btn btn-md btn-primary rounded-5 shadow border-0"
                                    disabled={mutationProduct.isPending}
                                >
                                    {mutationProduct.isPending ? "Updating..." : "Update"}
                                </button>
                            </form>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    );
};

export default ProductEdit;

Tahap 2: Penulisan Kode & Konfigurasi

// import hook useState, useEffect dari react
import { useState, useEffect } from "react";

Tahap 3: Penulisan Kode & Konfigurasi

// import useNavigate dan useParams dari react-router
import { useNavigate, useParams } from "react-router";

Tahap 4: Penulisan Kode & Konfigurasi

// import useMutation dan useQuery dari react-query
import { useMutation, useQuery } from "@tanstack/react-query";

Tahap 5: Penulisan Kode & Konfigurasi

// import api dari folder api
import Api from "../../api";

Tahap 6: Penulisan Kode & Konfigurasi

// State for image, title, description, price, stock and errors
const [image, setImage] = useState(null);
const [title, setTitle] = useState("");
const [description, setDescription] = useState("");
const [price, setPrice] = useState("");
const [stock, setStock] = useState("");
const [errors, setErrors] = useState({});

Tahap 7: Penulisan Kode & Konfigurasi

// Initialize useNavigate
const navigate = useNavigate();

// Initialize useParams
const { id } = useParams();

Tahap 8: Penulisan Kode & Konfigurasi

// fetch detail product by id
const { data, isLoading, isError } = useQuery({

    // Set the query key
    queryKey: ['product', id],

    // Set the query function
    queryFn: async () => {
        const res = await Api.get(`/api/products/${id}`);
        return res.data.data;
    }
    
});

Tahap 9: Penulisan Kode & Konfigurasi

const { data, isLoading, isError } = useQuery({

	//...
	
});

Tahap 10: Penulisan Kode & Konfigurasi

// Set the query key
queryKey: ['product', id],

Tahap 11: Penulisan Kode & Konfigurasi

const res = await Api.get(`/api/products/${id}`);

Tahap 12: Penulisan Kode & Konfigurasi

useEffect(() => {
    if (data) {
        setTitle(data.title);
        setDescription(data.description);
        setPrice(data.price);
        setStock(data.stock);
    }
}, [data]);

Tahap 13: Penulisan Kode & Konfigurasi

<input
    type="file"
    onChange={handleFileChange}
    className="form-control"
/>

Tahap 14: Penulisan Kode & Konfigurasi

//function to handle file change
 const handleFileChange = (e) => {
     if (e.target.files && e.target.files[0]) {
        setImage(e.target.files[0]);
     }
 };

Tahap 15: Penulisan Kode & Konfigurasi

// Initialize useMutation
const mutationProduct = useMutation({

    //mutation function
    mutationFn: async (formData) => {

        // Call the API to update the product by id
        return await Api.post(`/api/products/${id}`, formData);
    },
    onSuccess: () => {

        // Redirect to the product index page
        navigate("/products");
    },
    onError: (error) => {

        // set errors if there is an error
        setErrors(error.response.data);
    },
});

Tahap 16: Penulisan Kode & Konfigurasi

//mutation function
mutationFn: async (formData) => {

    // Call the API to update the product by id
    return await Api.post(`/api/products/${id}`, formData);
},

Tahap 17: Penulisan Kode & Konfigurasi

onSuccess: () => {

    // Redirect to the product index page
    navigate("/products");
},

Tahap 18: Penulisan Kode & Konfigurasi

onError: (error) => {

    // set errors if there is an error
    setErrors(error.response.data);
},

Tahap 19: Penulisan Kode & Konfigurasi

<form onSubmit={updateProduct}>

	//...
	
</form>

Tahap 20: Penulisan Kode & Konfigurasi

//function to handle form submission
const updateProduct = (e) => {

	//...
	
}

Tahap 21: Penulisan Kode & Konfigurasi

// Initialize formData
const formData = new FormData();

// Append data to formData
if (image) formData.append("image", image);
formData.append("title", title);
formData.append("description", description);
formData.append("price", price);
formData.append("stock", stock);
formData.append("_method", "PUT");

Tahap 22: Penulisan Kode & Konfigurasi

// Call the mutationProduct function
mutationProduct.mutate(formData);

Tahap 23: Penulisan Kode & Konfigurasi

// Import React Router
import { Routes, Route } from "react-router";

// Import view HomePage
import Home from "../views/home";

//import view ProductIndex
import ProductIndex from "../views/products/index";

// Import view ProductCreate
import ProductCreate from "../views/products/create";

// Import view ProductEdit
import ProductEdit from "../views/products/edit";

// Definisikan component dengan (Functional Component)
const RoutesIndex = () => {
    return (
        <Routes>
            {/* Route untuk halaman utama */}
            <Route path="/" element={<Home />} />

            {/* Route untuk halaman produk */}
            <Route path="/products" element={<ProductIndex />} />

            {/* Route untuk halaman tambah produk */}
            <Route path="/products/create" element={<ProductCreate />} />

            {/* Route untuk halaman edit produk */}
            <Route path="/products/edit/:id" element={<ProductEdit />} />
        </Routes>
    );
};

export default RoutesIndex;

Tahap 24: Penulisan Kode & Konfigurasi

// Import view ProductEdit
import ProductEdit from "../views/products/edit";

Tahap 25: Penulisan Kode & Konfigurasi

{/* Route untuk halaman edit produk */}
<Route path="/products/edit/:id" element={<ProductEdit />} />
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Kesimpulan

Dengan mengikuti langkah-langkah terstruktur di atas, implementasi modul Anda akan jauh lebih rapi, aman dari bug umum, serta siap diskalakan ke lingkungan produksi.

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