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mail.js
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/*
name: Server-Side Mailing Function of Virus Notificator
author: TonyHe
link: https://www.ouorz.com
last Update: 19-2-2020
*/
const request = require("request");
const mongo = require("mongodb").MongoClient;
const nodemailer = require("nodemailer");
var databaseUrl = process.env.MONGODB_URL;
/*
name: 邮件发送模板
*/
async function sendEmail(titleContent, textContent, htmlContent, receiver) {
let mailer = nodemailer.createTransport({
host: "smtp.163.com",
port: 465,
secure: true,
auth: {
user: process.env.SMTP_USER,
pass: process.env.SMTP_PASSWORD,
},
});
let message = {
from: process.env.SMTP_USER,
to: receiver,
subject: titleContent,
text: textContent,
html: htmlContent,
};
let result = await new Promise(function (resolve, reject) {
setTimeout(
() =>
mailer.sendMail(message, function (err, msg) {
if (err) {
return reject({
msg: {
response: err.response,
code: err.responseCode,
},
});
} else {
return resolve({
msg: "已接收到每日推送邮件: " + msg.accepted,
});
}
}),
1000
);
});
console.log(result.msg);
}
/*
name: 取得 PHP 爬取数据
*/
async function mailDaily() {
global.dataObject = await new Promise((resolve, reject) => {
request(
"https://files.snapaper.com/virus",
function (error, response, data) {
if (!error && response.statusCode == 200) {
let dataObject = JSON.parse(data.toString()); //获取
return resolve(dataObject);
} else {
let dataObject = {};
return reject(dataObject);
}
}
);
});
//连接 MongoDB 数据库
mongo.connect(
databaseUrl,
{
useNewUrlParser: true,
useUnifiedTopology: true,
},
function (err, db) {
if (err) {
console.log(err);
return;
} else {
var coll = db.db("notificator");
//获取数据
coll
.collection("mail_users")
.find()
.toArray(function (err, result) {
if (err) {
console.log(err);
} else {
if (result.length) {
for (var i = 0; i < result.length; ++i) {
//订阅用户信息结构
let receiverData = {
email: null,
province: null,
city: null,
data: {
country: {
name: "中国",
confirm: 0,
death: 0,
cured: 0,
},
province: {
name: null,
confirm: 0,
death: 0,
cured: 0,
},
city: {
name: null,
confirm: 0,
death: 0,
cured: 0,
},
},
};
//基础信息
receiverData.email = result[i]["email"].toString();
receiverData.province = result[i]["pro"];
receiverData.city = result[i]["city"];
//数据获取状态
var dataStatus = {
total: false,
country: false,
province: false,
city: false,
};
if (typeof global.dataObject !== undefined) {
//获取到总数据
let dataNow = global.dataObject;
//全国信息获取
if (dataNow.total_confirmed !== 0) {
//获取到全国数据
receiverData.data.country = {
//得到全国数据对象
confirm: parseInt(dataNow.total_confirmed),
death: parseInt(dataNow.total_death),
cured: parseInt(dataNow.total_cured),
};
dataStatus.country = true;
} else {
//未获取到全国数据
dataStatus.country = false;
}
//省份信息获取
if (
receiverData.province !== undefined &&
typeof dataNow.provinces_data[receiverData.province] !==
undefined
) {
//获取到省份数据
let dataNowTemp =
dataNow.provinces_data[receiverData.province];
receiverData.data.province = {
//得到省份数据对象
name: receiverData.province,
confirm: parseInt(dataNowTemp.confirmed),
death: parseInt(dataNowTemp.death),
cured: parseInt(dataNowTemp.cured),
};
dataStatus.province = true;
} else {
//未获取到省份数据
dataStatus.province = false;
}
//城市信息获取
if (
receiverData.city !== undefined &&
typeof dataNow.cities_data[receiverData.city] !==
undefined
) {
//获取到省份数据
let dataNowTemp = dataNow.cities_data[receiverData.city];
if (receiverData.city !== "无城市") {
receiverData.data.city = {
//得到省份数据对象
name: receiverData.city,
confirm: parseInt(dataNowTemp.confirmed),
death: parseInt(dataNowTemp.death),
cured: parseInt(dataNowTemp.cured),
};
dataStatus.city = true;
} else {
dataStatus.city = false;
}
} else {
//未获取到省份数据
dataStatus.city = false;
}
if (
dataStatus.city &&
dataStatus.province &&
dataStatus.country
) {
//全部信息都可获取
var htmlContent =
`<div style="width:100%;padding-bottom:50px"><div style="border:1px solid #eee;margin-bottom:40px;width:80%;margin:40px auto;border-radius:10px;box-shadow:0 1px 5px 0 rgba(0,0,0,.12)"><img src="https://i.loli.net/2020/02/05/b3adxQsVHX6voY4.jpg" style="max-width:100%;height:auto"></div><div><div style="border:1px solid #eee;width:80%;margin:0 auto;border-radius:10px"><h3 style="text-align:center;background:#f1f2f3;font-size:1.4rem;font-weight:500;color:#666;padding:5px 0 8px 0;letter-spacing:1px;margin-top: 0px;">全国数据</h3><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#f5a623;border-radius:5px">确诊人数</b><em style="color:#999"> |</em> ` +
receiverData.data.country.confirm +
` 人</p><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#ff0100;border-radius:5px">死亡人数</b><em style="color:#999"> |</em> ` +
receiverData.data.country.death +
` 人</p><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#006ff4;border-radius:5px">治愈人数</b><em style="color:#999"> |</em> ` +
receiverData.data.country.cured +
` 人</p></div><div style="border:1px solid #eee;width:80%;margin:0 auto;border-radius:10px;margin-top:20px"><h3 style="text-align:center;background:#f1f2f3;font-size:1.4rem;font-weight:500;color:#666;padding:5px 0 8px 0;letter-spacing:1px;margin-top: 0px;">` +
receiverData.province +
`数据</h3><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#f5a623;border-radius:5px">确诊人数</b><em style="color:#999"> |</em> ` +
receiverData.data.province.confirm +
` 人</p><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#ff0100;border-radius:5px">死亡人数</b><em style="color:#999"> |</em> ` +
receiverData.data.province.death +
` 人</p><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#006ff4;border-radius:5px">治愈人数</b><em style="color:#999"> |</em> ` +
receiverData.data.province.cured +
` 人</p></div><div style="border:1px solid #eee;width:80%;margin:0 auto;border-radius:10px;margin-top:20px"><h3 style="text-align:center;background:#f1f2f3;font-size:1.4rem;font-weight:500;color:#666;padding:5px 0 8px 0;letter-spacing:1px;margin-top: 0px;">` +
receiverData.city +
`数据</h3><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#f5a623;border-radius:5px">确诊人数</b><em style="color:#999"> |</em> ` +
receiverData.data.city.confirm +
` 人</p><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#ff0100;border-radius:5px">死亡人数</b><em style="color:#999"> |</em> ` +
receiverData.data.city.death +
` 人</p><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#006ff4;border-radius:5px">治愈人数</b><em style="color:#999"> |</em> ` +
receiverData.data.city.cured +
` 人</p></div></div></div>`;
sendEmail(
"今日新型冠状病毒疫情数据推送",
"今日新型冠状病毒肺炎疫情数据",
htmlContent,
receiverData.email
);
} else if (dataStatus.province && dataStatus.country) {
//全国和省份信息可获取
var htmlContent =
`<div style="width:100%;padding-bottom:50px"><div style="border:1px solid #eee;margin-bottom:40px;width:80%;margin:40px auto;border-radius:10px;box-shadow:0 1px 5px 0 rgba(0,0,0,.12)"><img src="https://i.loli.net/2020/02/05/b3adxQsVHX6voY4.jpg" style="max-width:100%;height:auto"></div><div><div style="border:1px solid #eee;width:80%;margin:0 auto;border-radius:10px"><h3 style="text-align:center;background:#f1f2f3;font-size:1.4rem;font-weight:500;color:#666;padding:5px 0 8px 0;letter-spacing:1px;margin-top: 0px;">全国数据</h3><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#f5a623;border-radius:5px">确诊人数</b><em style="color:#999"> |</em> ` +
receiverData.data.country.confirm +
` 人</p><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#ff0100;border-radius:5px">死亡人数</b><em style="color:#999"> |</em> ` +
receiverData.data.country.death +
` 人</p><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#006ff4;border-radius:5px">治愈人数</b><em style="color:#999"> |</em> ` +
receiverData.data.country.cured +
` 人</p></div><div style="border:1px solid #eee;width:80%;margin:0 auto;border-radius:10px;margin-top:20px"><h3 style="text-align:center;background:#f1f2f3;font-size:1.4rem;font-weight:500;color:#666;padding:5px 0 8px 0;letter-spacing:1px;margin-top: 0px;">` +
receiverData.province +
`数据</h3><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#f5a623;border-radius:5px">确诊人数</b><em style="color:#999"> |</em> ` +
receiverData.data.province.confirm +
` 人</p><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#ff0100;border-radius:5px">死亡人数</b><em style="color:#999"> |</em> ` +
receiverData.data.province.death +
` 人</p><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#006ff4;border-radius:5px">治愈人数</b><em style="color:#999"> |</em> ` +
receiverData.data.province.cured +
` 人</p></div></div></div>`;
sendEmail(
"今日新型冠状病毒疫情数据推送",
"今日新型冠状病毒肺炎疫情数据",
htmlContent,
receiverData.email
);
} else if (dataStatus.country) {
//只全国信息可获取
var htmlContent =
`<div style="width:100%;padding-bottom:50px"><div style="border:1px solid #eee;margin-bottom:40px;width:80%;margin:40px auto;border-radius:10px;box-shadow:0 1px 5px 0 rgba(0,0,0,.12)"><img src="https://i.loli.net/2020/02/05/b3adxQsVHX6voY4.jpg" style="max-width:100%;height:auto"></div><div><div style="border:1px solid #eee;width:80%;margin:0 auto;border-radius:10px"><h3 style="text-align:center;background:#f1f2f3;font-size:1.4rem;font-weight:500;color:#666;padding:5px 0 8px 0;letter-spacing:1px;margin-top: 0px;">全国数据</h3><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#f5a623;border-radius:5px">确诊人数</b><em style="color:#999"> |</em> ` +
receiverData.data.country.confirm +
` 人</p><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#ff0100;border-radius:5px">死亡人数</b><em style="color:#999"> |</em> ` +
receiverData.data.country.death +
` 人</p><p style="text-align:center;color:#666;font-size:1.2rem"><b style="color:#006ff4;border-radius:5px">治愈人数</b><em style="color:#999"> |</em> ` +
receiverData.data.country.cured +
` 人</p></div><div style="border:1px solid #eee;width:80%;margin:0 auto;border-radius:10px;margin-top:20px"><h3 style="text-align:center;background:#f1f2f3;font-size:1.4rem;font-weight:500;color:#666;padding:5px 0 8px 0;letter-spacing:1px;margin-top: 0px;">数据指南</h3><p style="text-align:center;color:#666;font-size:1.2rem">你可以前往 <a href="https://virus-notificator-vue.onrender.com" target="_blank">https://virus-notificator-vue.onrender.com</a> 增加省份/城市订阅源</p></div></div></div>`;
sendEmail(
"今日新型冠状病毒疫情数据推送",
"今日新型冠状病毒肺炎疫情数据",
htmlContent,
receiverData.email
);
} else {
console.log("未发送:" + receiverData.email);
}
} else {
dataStatus.total = false;
}
}
} else {
console.log("无人订阅，停止推送");
}
}
});
}
}
);
}
module.exports = mailDaily;