yangdaxia/libs/login.js

import store from "../store";
import Cache from '../utils/cache';
// #ifdef H5 || APP-PLUS
import {
	isWeixin
} from "../utils";
import auth from './wechat';
// #endif

import {
	LOGIN_STATUS,
	USER_INFO,
	EXPIRES_TIME,
	STATE_R_KEY
} from './../config/cache';

function prePage() {
	let pages = getCurrentPages();
	let prePage = pages[pages.length - 2];
	// #ifdef H5
	return prePage;
	// #endif
	return prePage.$vm;
}

export function toLogin(push, pathLogin) {
	// store.commit("LOGOUT");
	let path = prePage();
	if (path) {
		path = path.router;
		if (path == undefined) {
			path = location.pathname;
		}
	}
	// #ifdef H5
	else {
		path = location.pathname;
	}
	// #endif

	if (!pathLogin)
		pathLogin = '/page/users/login/index'
	Cache.set('login_back_url', path);
	// #ifdef H5 || APP-PLUS
	if (isWeixin()) {
		auth.oAuth();
	} else {
		if (path !== pathLogin) {
			push ? uni.navigateTo({
				url: '/pages/users/login/index'
			}) : uni.reLaunch({
				url: '/pages/users/login/index'
			});
		}
	}
	// #endif

	// #ifdef MP 


	// #endif
}


export function checkLogin() {
	let token = Cache.get(LOGIN_STATUS);
	let expiresTime = Cache.get(EXPIRES_TIME);
	let newTime = Math.round(new Date() / 1000);
	if (expiresTime < newTime || !token) {
		Cache.clear(LOGIN_STATUS);
		Cache.clear(EXPIRES_TIME);
		Cache.clear(USER_INFO);
		Cache.clear(STATE_R_KEY);
		return false;
	} else {
		store.commit('UPDATE_LOGIN', token);
		let userInfo = Cache.get(USER_INFO, true);
		if (userInfo) {
			store.commit('UPDATE_USERINFO', userInfo);
		}
		return true;
	}

}