com.kasite.client.uniapp.base/service/request.ts

import { common } from '../utils';
import { useSmallProgramLogin } from '../hook';
let _app;

/**
 * HTTP POST 请求封装
 * complete:是否成功失败都往下执行
 */
const httpPost = (url: string, data: any, options: any = {}, complete = undefined) => {
	let has = getApp().globalData.accountInfo.miniProgram.envVersion != 'develop'; // 如果不等于开发版本，默认启用请求加密
	let querData: any = {};
	// 判断当前请求接口不需要加密请求
	if (common.isNotEmpty(getApp().globalData.noNeedSecretKeyApiArr)) {
		for (let i of getApp().globalData.noNeedSecretKeyApiArr) {
			if (url.indexOf(i) != '-1') {
				has = false;
				break;
			}
		}
	}
	// 新增判断请求的url 如果不存在callApiJSON，callApi.do请求，全部不加密（后续callApi.do接口前端也统一加密）
	if (url.indexOf('callApiJSON') == -1 && url.indexOf('callApi.do') == -1) {
		has = false;
	}
	let showLoading = true;
	if (options != undefined && options.showLoading != undefined) {
		showLoading = options.showLoading;
	}
	if (showLoading) {
		common.showLoading();
	}

	let header: any = {
		'content-type': 'application/json',
		token: getApp().globalData.token || uni.getStorageSync('token'),
		'call-appId': uni.getStorageSync('frontEndConfig').fixedAppjsGlobalData.appId,
	};
	// 如果has 为true 代表当前请求接口需要加密 且获取的加密秘钥不为空
	if (has && common.isNotEmpty(getApp().globalData.apiSecretKey)) {
		(header.appId = 'KASIET_alismaillpro'),
			(querData.data = common.desEncrypt(JSON.stringify(data), getApp().globalData.apiSecretKey));
	}
	if (options) {
		const extOptions = [
			'showLoading', // 显示加载中
			'onChunkReceived', // 分块传输监听
			'timeout', // 超时时间, 默认取/app.json里的networkTimeout配置
			'responseType', // 响应结果
		];
		Object.keys(options).forEach((key) => {
			if (!extOptions.includes(key)) {
				header[key] = options[key];
			}
		});
	}
	return new Promise((resolve, reject) => {
		const enableChunked = options && typeof options.onChunkReceived == 'function';
		const requestOptions: any = {
			url: url,
			data: common.isEmpty(querData) ? data : querData,
			method: 'POST',
			header: header,
			enableChunked: enableChunked, // 新增分块数据
			success(res) {
				if (showLoading) {
					common.hideLoading();
				}
				if (!complete) {
					if (options && options.construction) {
						resolve({ data: { Data: res.data, RespCode: 10000 } });
					} else {
						resolve(res);
					}
				}
			},
			fail(error) {
				if (showLoading) {
					common.hideLoading();
				}
				if (!complete) {
					reject(error);
				}
				console.error(error);
				common.showToast(`连接超时，请重试`);
			},
			complete(res) {
				if (complete) {
					resolve(res);
				}
			},
		};
		if (options && options.timeout != undefined && options.timeout != null) {
			requestOptions.timeout = options.timeout;
		}
		if (options && options.responseType != undefined && options.responseType != null) {
			requestOptions.responseType = options.responseType;
		}
		const wxRequest = uni.request(requestOptions);
		if (enableChunked) {
			wxRequest.onChunkReceived(options.onChunkReceived);
		}
	});
};

/**
 * 微信请求post方法封装
 * url
 * data 以对象的格式传入
 * 后端返回 401 token超时时，会重新发起调用登陆
 */
const doPost = async (url: string, data: any, options: any = {}, complete = undefined) => {
	const response = httpPost(url, data, options, complete);
	let loginAgain = false;
	await response.then((resp: any) => {
		if (resp.data.RespCode == 401) {
			loginAgain = true;
		}
	});
	// token未超时，直接返回
	if (!loginAgain) {
		return response;
	}
	// token超时时，调用接口重新登录
	if (uni.getStorageSync('isCall') != 1) {
		// 防止页面并发调用登录接口
		uni.setStorageSync('isCall', 1);
		uni.setStorageSync('data_expiration', 0);
		// 获取登录失败轮询次数,，默认5次
		let retry = getApp().globalData.retryNum;
		while (retry > 0) {
			await useSmallProgramLogin(_app).then((resp: any) => {
				if (resp.data.RespCode != '10000') {
					// 登录失败，需轮询，次数减一
					retry--;
				} else {
					// 登录成功
					retry = 0;
					// uni.clearStorageSync()
				}
			});
			if (retry != 0) {
				// 需要重试时，先休眠300毫秒
				await sleep(300);
			}
		}
	}
	// 接口调用重试次数，默认判断5次，每次间隔500毫秒
	let retry = getApp().globalData.retryNum;
	while (retry > 0) {
		if (uni.getStorageSync('isCall') != 1) {
			// 如果已经重新登录成功，返回重新请求接口结果
			return httpPost(url, data, options);
		} else {
			// 还未登录成功，休眠500毫秒再判断
			await sleep(500);
			retry--;
		}
	}
	// 重试5次后，再次重新发起请求
	return httpPost(url, data, options);
};

/**
 * 微信请求get方法封装
 * url
 * data 以对象的格式传入
 * 后端返回 401 token超时时，会重新发起调用登陆
 */
const doGet = async (url: string, data: any, options: any = {}) => {
	const response = httpGet(url, data, options);
	let loginAgain = false;
	await response.then((resp: any) => {
		if (resp.data.RespCode == 401) {
			loginAgain = true;
		}
	});
	// token未超时，直接返回
	if (!loginAgain) {
		return response;
	}
	// token超时时，调用接口重新登录
	if (uni.getStorageSync('isCall') != 1) {
		// 防止页面并发调用登录接口
		uni.setStorageSync('isCall', 1);
		uni.setStorageSync('data_expiration', 0);
		// 获取登录失败轮询次数,默认5次
		let retry = getApp().globalData.retryNum;
		while (retry > 0) {
			await useSmallProgramLogin(_app).then((resp: any) => {
				if (resp.data.RespCode != '10000') {
					// 登录失败，需轮询，次数减一
					retry--;
				} else {
					// 登录成功
					retry = 0;
				}
			});
			if (retry != 0) {
				// 需要重试时，先休眠300毫秒
				await sleep(300);
			}
		}
	}
	// 接口调用重试次数，默认判断5次，每次间隔500毫秒
	let retry = getApp().globalData.retryNum;
	while (retry > 0) {
		if (uni.getStorageSync('isCall') != 1) {
			// 如果已经重新登录成功，返回重新请求接口结果
			return httpGet(url, data, options);
		} else {
			// 还未登录成功，休眠500毫秒再判断
			await sleep(500);
			retry--;
		}
	}
	// 重试5次后，再次重新发起请求
	return httpGet(url, data, options);
};

// 新增 httpGet 基础方法
const httpGet = (url: string, data: any, options: any = {}) => {
	let showLoading = true;
	if (options != undefined && options.showLoading != undefined) {
		showLoading = options.showLoading;
	}
	if (showLoading) {
		common.showLoading();
	}

	let header = {
		'content-type': 'application/json',
		token: getApp().globalData.token || uni.getStorageSync('token'),
		'call-appId': uni.getStorageSync('frontEndConfig').fixedAppjsGlobalData.appId,
	};

	if (options) {
		Object.keys(options).forEach((key) => {
			if (key != 'showLoading') {
				header[key] = options[key];
			}
		});
	}

	return new Promise((resolve, reject) => {
		uni.request({
			url: url,
			data: data,
			method: 'GET',
			header: header,
			success(res) {
				if (showLoading) {
					common.hideLoading();
				}
				if (options && options.construction) {
					resolve({ data: { Data: res.data, RespCode: 10000 } });
				} else {
					resolve(res);
				}
			},
			fail(error) {
				if (showLoading) {
					common.hideLoading();
				}
				reject(error);
				common.showToast(`连接超时，请重试`);
			},
		});
	});
};

//模拟线程休眠，需配合 async和await使用
const sleep = (ms: number) => new Promise((resolve) => setTimeout(resolve, ms));

export default {
	doPost,
	doGet,
};