records robot v1.0

+node_modules
+package-lock.json
\ No newline at end of file

+const TelegramBot = require('node-telegram-bot-api');
+const express = require('express');
+const app = express();
+const mongoose = require('mongoose');
+
+const token = 'your bot token';
+const db = require('./config').mongoURI;
+
+const User = require('./models/User');
+// Bot
+const bot = new TelegramBot(token, { polling: true });
+
+// connect to mongoDB
+mongoose
+    .connect(db, { useNewUrlParser: true })
+    // { useCreateIndex: true, useUnifiedTopology: true, useNewUrlParser: true, useUnifiedTopology: true }
+    .then(() => console.log("MongoDB Connected"))
+    .catch(err => console.log(err));
+
+// start
+bot.onText(/\/start/, msg => {
+    const chatId = msg.chat.id;
+    bot.sendMessage(chatId, "Welcome");
+});
+
+// do
+bot.onText(/\/todo/, msg => {
+    let todo = msg.text
+        .split(' ')
+        .slice(1)
+        .join(' ');
+
+    if (!todo) {
+        return bot.sendMessage(msg.chat.id, "please input your todo item.");
+    }
+
+    User.findOne({ user: msg.chat.username })
+        .then(user => {
+            if (!user) {
+                //creat new
+                const newUser = new User({
+                    user: msg.chat.username,
+                    todos: [todo]
+                });
+
+                //save newuser
+                newUser.save()
+                    .then(console.log('New User Saved'))
+                    .catch(err => console.log(err));
+            }
+            else {
+                ///add new item
+                user.todos.push(todo);
+                User.update(
+                    { user: user.user },
+                    { $set: { todos: user.todos } },
+                    (err, raw) => {
+                        if (err) return console.log(err);
+                        console.log("Success Added new item");
+                    }); // there user => moudule key user: findOne user.findOne user key(Schema users config)
+            }
+        });
+    bot.sendMessage(msg.chat.id, "You success added a item");
+});
+
+// list 
+bot.onText(/\/list/, msg => {
+    User.findOne({ user: msg.chat.username }).then(user => {
+        if (!user) {
+            return bot.sendMessage(msg.chat.id, "you haven\t added a item.")
+        }
+        else {
+            if (user.todos.length === 0) return bot.sendMessage(msg.chat.id, 'You already done all!');
+
+            let todoList = "";
+            user.todos.forEach((todo, index) => {
+                todoList += `[${index}] - ` + todo + "\n";
+            });
+            return bot.sendMessage(msg.chat.id, `your list: \n\n ${todoList}`);
+        }
+    });
+});
+
+/// Check
+bot.onText(/\/check/, msg => {
+    User.findOne({ user: msg.chat.username }).then(user => {
+        if (!user) {
+            return bot.sendMessage(msg.chat.id, "you haven\t added a item.")
+        }
+        else {
+            if (user.todos.length === 0) return bot.sendMessage(msg.chat.id, 'You already done all!');
+            let num = msg.text.split(' ')[1];
+
+            // No num passed in
+            if (!num) {
+                return bot.sendMessage(
+                    msg.chat.id,
+                    "Please input the number."
+                );
+            }
+
+            // wrong num
+            if (num >= user.todos.length || num < 0) {
+                return bot.sendMessage(
+                    msg.chat.id,
+                    "There's no item with the number, please type /list and check it."
+                );
+            }
+
+            //Remove todo from mongoDB
+            user.todos.splice(num, 1);
+            User.update({ user: user.user }, { $set: { todos: user.todos } }, (err, raw) => {
+                if (err) return console.log(err);
+                bot.sendMessage(msg.chat.id, "Done.");
+            });
+        }
+    })
+})
+

+module.exports = {
+    mongoURI:
+        // mongodb url
+        "mongodb+srv://<USERNAME>:<PASSWORD>@cluster0.prz2p.mongodb.net/myFirstDatabase?retryWrites=true&w=majority"
+};
\ No newline at end of file

+const mongoose = require('mongoose');
+const Schema = mongoose.Schema;
+
+const UserSchema = new Schema({
+    user: {
+        type: String,
+        require: true
+    },
+    todos: [
+        {
+            type: String,
+            required: true
+        }
+    ]
+})
+
+module.exports = User = mongoose.model('users', UserSchema);
+
+// const mongoose = require('mongoose');
+// const Schema = mongoose.Schema;
+
+// // create Schema
+// const UserSchema = new Schema({
+//     user: {
+//         type: String,
+//         required: true
+//     },
+//     todos: [
+//         {
+//             type: String,
+//             require: true
+//         }
+//     ]
+// })
+
+// module.exports = User = mongoose.model('users', UserSchema)
\ No newline at end of file

+{
+  "name": "telegrambot",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "http://khuhub.khu.ac.kr/2020105575/TelegramBot.git"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.17.1",
+    "mongoose": "^5.2.6",
+    "node-telegram-bot-api": "^0.53.0"
+  }
+}