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app.js
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app.js
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//jshint esversion:6
const express = require("express");
const bodyParser = require("body-parser");
//require mongoose
const mongoose = require("mongoose");
const _ = require("lodash");
const dotenv = require("dotenv");
const app = express();
app.set('view engine', 'ejs');
app.use(bodyParser.urlencoded({extended: true}));
app.use(express.static("public"));
dotenv.config();
//create mongo database
const url = process.env.MONGO_URL;
const connectDB = async () => {
try {
const conn = await mongoose.connect(url);
console.log(`MongoDB Connected: ${conn.connection.host}`);
} catch (error) {
console.log(error);
process.exit(1);
}
}
//create schema
const itemsSchema = new mongoose.Schema({
name: String
});
//create Model
const Item = mongoose.model("Item",itemsSchema);
const item1 = new Item({
name: "Welcome to your todolist"
});
const item2 = new Item({
name: "Hit the + button to aff a new item"
});
const item3 = new Item({
name: "<-- Hit this to delete an item>"
});
const defaultItems = [item1, item2, item3];
const listSchema = new mongoose.Schema({
name: String,
items: [itemsSchema]
});
const List = new mongoose.model("List", listSchema);
app.get("/", function(req, res) {
Item.find({}).then(function(foundItems){
if(foundItems.length === 0){
// Add items into the db
Item.insertMany(defaultItems).then(function(){
console.log("Items inserted Successfully");
}).catch(function (err){
console.log(err);
});
res.redirect("/");
}else{
res.render("list", {listTitle: "Today", newListItems: foundItems});
}
});
});
app.post("/", async (req, res)=>{
const itemName = req.body.newItem;
const listName = req.body.list;
const item = new Item({
name: itemName
});
if(listName=== "Today"){
item.save();
res.redirect("/");
}else{
await List.findOne({name:listName}).exec().then(foundList => {
foundList.items.push(item);
foundList.save();
res.redirect("/"+listName);
}).catch(err =>{
console.log(err);
})
}
});
app.post("/delete", function(req, res){
const checkedItemId= req.body.checkbox;
const listName = req.body.listName;
if(listName=== "Today"){
Item.findById(checkedItemId).then(function(){
console.log(checkedItemId);
Item.deleteOne({_id: checkedItemId}).then(function(){
console.log("Item was successfully removed!");
});
});
res.redirect("/");
}else{
List.findOneAndUpdate({
name: listName
},{
$pull: {items:{_id:checkedItemId}}
}).then(function(foundList){
res.redirect("/"+listName);
});
}
});
app.get("/:customListName", function(req, res){
const customListName = _.capitalize(req.params.customListName);
List.findOne({name:customListName}).then(function(foundList){
if(!foundList){
const list = new List({
name: customListName,
items: defaultItems
});
list.save();
res.redirect("/"+customListName);
}else{
res.render("list", {listTitle:foundList.name, newListItems: foundList.items});
}
});
});
app.get("/about", function(req, res){
res.render("about");
});
connectDB().then(() => {
app.listen(process.env.PORT || 3000, () => {
console.log("listening for requests");
})
})