app.js

//jshint esversion:6

const express = require("express");
const https = require("https");
const bodyParser = require("body-parser");
const mongoose = require("mongoose");
const _ = require("lodash");

const date = require(__dirname + "/date.js");
const day = date.getDate();
const app = express();

app.set("view engine", "ejs");

app.use(bodyParser.urlencoded({ extended: true }));
app.use(express.static("public"));

//create database schema using mongoose

//establish connection to the database
mongoose.connect("mongodb://localhost:27017/shoppingDB", {
  useNewUrlParser: true,
  useUnifiedTopology: true,
  useFindAndModify: false,
});

//create database schema
const itemsSchema = mongoose.Schema({
  name: {
    type: String,
    required: (true, "This field cannot be empty"),
  },
});

//create a model using mongoose
const Item = mongoose.model("Item", itemsSchema);

//create a new document

const item1 = new Item({
  name: "Welcome to your todolist",
});

const item2 = new Item({
  name: "Start adding more items, hit the + button",
});

// create an array for all the doucments

const defaultItems = [item1, item2];

//create custom lists

const listSchema = mongoose.Schema({
  name: {
    type: String,
    required: true,
  },
  items: [itemsSchema],
});

const List = mongoose.model("List", listSchema);

////////////-------------------------------routes-------------------------------//////////
app.get("/", function (req, res) {
  Item.find({}, (err, foundItems) => {
    if (foundItems.length === 0) {
      Item.insertMany(defaultItems, (err) => {
        if (err) {
          console.log(err);
        } else {
          console.log("Successfully created the documents");
        }
      });
      res.redirect("/");
    } else {
      res.render("list", { listTitle: day, newListItems: foundItems });
    }
  });
});

app.get("/:customListName", (req, res) => {
  const customListName = _.capitalize(req.params.customListName);

  List.findOne({ name: customListName }, (err, foundLists) => {
    if (err) {
      console.log(err);
    } else if (!foundLists) {
      const list = new List({
        name: customListName,
        items: defaultItems,
      });
      list.save();
      res.redirect("/" + customListName);
    } else {
      res.render("list", {
        listTitle: foundLists.name,
        newListItems: foundLists.items,
      });
    }
  });
});

app.post("/", function (req, res) {
  const itemName = req.body.newItem;
  const listName = req.body.list;

  const dynamicItem = new Item({
    name: itemName,
  });

  if (listName === day) {
    dynamicItem.save();
    res.redirect("/");
  } else {
    List.findOne({ name: listName }, (err, foundList) => {
      foundList.items.push(dynamicItem);
      foundList.save();
      res.redirect("/" + listName);
    });
  }
});

app.post("/delete", (req, res) => {
  const checkedItem = req.body.checkedbox;
  const listName = req.body.listName;

  if (listName === day) {
    Item.findByIdAndRemove(checkedItem, (err) => {
      if (err) {
        console.log(err);
      } else {
        console.log("successfully deleted the item");
        res.redirect("/");
      }
    });
  } else {
    List.findOneAndUpdate(
      { name: listName },
      { $pull: { items: { _id: checkedItem } } },
      (err, foundList) => {
        if (err) {
          console.log(err);
        } else {
          res.redirect("/" + listName);
        }
      }
    );
  }
});

//weather API request //
app.post("/weather", (req, res) => {
  const query = req.body.cityName;
  const apiKey = process.env.APP_API_KEY;
  const uri =
    "https://api.openweathermap.org/data/2.5/weather?q=" +
    query +
    "&appid=" +
    apiKey +
    "&units=metric";

  https.get(uri, (response) => {
    console.log(response.statusCode);
    response.on("data", (data) => {
      const weatherData = JSON.parse(data);
      const desc = weatherData.weather[0].description;
      const temp = weatherData.main.temp;
      const icon = weatherData.weather[0].icon;
      const imgURL = "http://openweathermap.org/img/wn/" + icon + "@2x.png";
      res.render("list", {
        city: query,
        weatherDay: desc,
        temperature: temp,
      });
    });
  });
});

// app.get("/", (req, res) => {
//   res.render("list", { city: query, weatherDa: desc, temperature: temp });
// });
app.get("/about", function (req, res) {
  res.render("about");
});

app.listen(3000, function () {
  console.log("Server started on port 3000");
});