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lcbp3/frontend/lib/api/client.ts
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251225:1703 On going update to 1.7.0: Refoctory drawing Module not finish
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TypeScript

// File: lib/api/client.ts
import axios, { AxiosInstance, InternalAxiosRequestConfig, AxiosError } from "axios";
import { v4 as uuidv4 } from "uuid";
// อ่านค่า Base URL จาก Environment Variable
const baseURL = process.env.NEXT_PUBLIC_API_URL || "http://localhost:3001/api";
// สร้าง Axios Instance หลัก
const apiClient: AxiosInstance = axios.create({
baseURL,
headers: {
"Content-Type": "application/json",
},
timeout: 15000, // Timeout 15 วินาที
});
// ---------------------------------------------------------------------------
// Request Interceptors
// ---------------------------------------------------------------------------
apiClient.interceptors.request.use(
async (config: InternalAxiosRequestConfig) => {
// 1. Idempotency Key Injection
// ป้องกันการทำรายการซ้ำสำหรับ Method ที่เปลี่ยนแปลงข้อมูล
const method = config.method?.toLowerCase();
if (method && ["post", "put", "delete", "patch"].includes(method)) {
config.headers["Idempotency-Key"] = uuidv4();
}
// 2. Authentication Token Injection
// ดึง Token จาก Zustand persist store (localStorage)
if (typeof window !== "undefined") {
try {
const authStorage = localStorage.getItem('auth-storage');
if (authStorage) {
const parsed = JSON.parse(authStorage);
const token = parsed?.state?.token;
if (token) {
config.headers["Authorization"] = `Bearer ${token}`;
}
}
} catch (error) {
console.warn("Failed to retrieve auth token:", error);
}
}
return config;
},
(error) => {
return Promise.reject(error);
}
);
// ---------------------------------------------------------------------------
// Response Interceptors
// ---------------------------------------------------------------------------
apiClient.interceptors.response.use(
(response) => {
return response;
},
(error: AxiosError) => {
if (error.response) {
const { status } = error.response;
// กรณี Token หมดอายุ หรือ ไม่มีสิทธิ์
if (status === 401) {
console.error("Unauthorized: Please login again.");
// สามารถเพิ่ม Logic Redirect ไปหน้า Login ได้ถ้าต้องการ
}
}
return Promise.reject(error);
}
);
export default apiClient;