const mongoose = require('mongoose');

class Database {

    static connect() {
        mongoose.connect('mongodb://admin:123456@localhost:27017/analysis-tmp?authSource=admin', {
            useNewUrlParser: true
        }).catch(error => console.error(error)).then(suc => {
            console.log("数据库mongodb连接成功")
        });
    }

    static asyncConnect() {
        return new Promise((resolve, reject) => {
            mongoose.connect('mongodb://admin:123456@localhost:27017/analysis-tmp?authSource=admin', {
                useNewUrlParser: true
            }).catch(error => reject(error)).then(suc => {
                console.log("数据库mongodb连接成功");
                resolve();
            });
        })
    }

    static close() {
        mongoose.connections.forEach(con => {
            con.close();
        });
        console.log("mongo数据库已关闭")
    }

}

module.exports = Database;