axios 攔截封裝，全局統一處理異常

封裝 axios 以更好的適應現有業務!!
所有接口請求均應通過此方法來實現。!!

統一處理：Android平臺 cookie 不存在情況
統一處理：錯誤提示和錯誤上報
統一處理：雙平臺（Android | IOS）netHeader

import { Platform } from 'react-native';
import axios from 'axios';
import lodash from 'lodash';
import { fetchError } from '../util/fetchError';
import { headerMap } from './netHeader';
import * as BridgeAPI from '../config/bridge';

// 默認永不超時
axios.defaults.timeout = 0;

axios.interceptors.request.use(async config => {

    let result = await BridgeAPI.getInfo();
    let { userId } = result;

    let DefaultOptions = {
        headers: { ...headerMap }
    };

    if (Platform.OS === 'android') {
        DefaultOptions = {
            headers: { 
                ...headerMap, 
                uuid: userId 
            }
        }
    }
    return lodash.merge(config, DefaultOptions);
}, error => {
    return Promise.reject(error);
});

axios.interceptors.response.use(response => {
    let { data, config } = response;

    if (data === '') {
        let message = '數據不存在';
        fetchError(message, 200, config);
        return Promise.reject(message);
    }

    let { success, errCode, errMsg } = data;

    if (success === undefined) {
        fetchError(data.errMessage, errCode, config);
        return Promise.reject(errMsg);
    }

    if (!success) {
        fetchError(errMsg, errCode, config);
        return Promise.reject(errMsg);
    }
    
    return response;
}, error => {
    if (error && error.response) {
        switch (error.response.status) {
            case 400:
                error.message = '錯誤請求';
                break;
            case 401:
                error.message = '未授權，請重新登錄';
                break;
            case 403:
                error.message = '拒絕訪問';
                break;
            case 404:
                error.message = '請求錯誤,未找到該資源';
                break;
            case 405:
                error.message = '請求方法未允許';
                break;
            case 408:
                error.message = '請求超時';
                break;
            case 500:
                error.message = '服務器端出錯';
                break;
            case 501:
                error.message = '網絡未實現';
                break;
            case 502:
                error.message = '網絡錯誤';
                break;
            case 503:
                error.message = '服務不可用';
                break;
            case 504:
                error.message = '網絡超時';
                break;
            case 505:
                error.message = 'http版本不支持該請求';
                break;
            default:
                error.message = `連接錯誤${error.response.status}`;
        }
        let errorData = {
            status: error.response.status,
            message: error.message,
            config: error.response.config
        };
        fetchError(errorData.message, errorData.status, errorData.config);
    } else {
        fetchError(error.message, '000', error.config);
    }
    return Promise.reject(error);
});