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server.js
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server.js
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// Dependencies
const express = require("express");
const logger = require("morgan");
const mongoose = require("mongoose");
const exphbs = require("express-handlebars");
// Scraping tools
const cheerio = require("cheerio");
const axios = require("axios");
// Require all models
const db = require("./models");
// Initialize Express
const PORT = process.env.PORT || 3000;
const app = express();
// Configure middleware
// Use morgan logger for logging requests
app.use(logger("dev"));
// Serve static content for the app from the "public" directory in the application directory.
app.use(express.static("public"));
// Parse application body as JSON
app.use(express.urlencoded({ extended: true }));
app.use(express.json());
app.engine("handlebars", exphbs({ defaultLayout: "main" }));
app.set("view engine", "handlebars");
// Routes
app.get("/", function (req, res) {
res.render("articles");
});
// A GET route for scraping the site
app.get("/scrape", function (req, res) {
console.log("inside scrape");
axios.get("https://arstechnica.com/").then(function (response) {
// Load the HTML into cheerio and save it to a variable
// '$' becomes a shorthand for cheerio's selector commands, much like jQuery's '$'
var $ = cheerio.load(response.data);
$("li header h2").each(function (i, element) {
//console.log(element);
var link = $(element).children('a').attr('href');
console.log(link);
var title = $(element).children('a').text();
console.log(title);
var excerpt = $(element).siblings('.excerpt').text().trim();
console.log(excerpt);
var result = {
title: title,
link: link,
excerpt: excerpt,
isSaved: false
}
// console.log(result);
db.Article.findOne({ title: title }).then(function (data) {
if (data === null) {
db.Article.create(result).then(function (dbArticle) {
//res.json(dbArticle);
});
}
}).catch(function (err) {
console.log(err);
//res.json(err);
});
});
res.end();
});
});
// Route for getting all Articles from the db
app.get("/articles", function (req, res) {
db.Article
.find({})
.sort({ articleCreated: -1 })
.then(function (dbArticle) {
res.json(dbArticle);
})
.catch(function (err) {
res.json(err);
});
});
// Route for grabbing a specific Article by id, populate it with it's note
app.get("/articles/:id", function (req, res) {
db.Article
.findOne({ _id: req.params.id })
.populate("note")
.then(function (dbArticle) {
res.json(dbArticle);
})
.catch(function (err) {
res.json(err);
});
});
// Route for saving/updating an Article's associated Note
app.post("/articles/:id", function (req, res) {
db.Note
.create(req.body)
.then(function (dbNote) {
return db.Article.findOneAndUpdate({ _id: req.params.id }, { note: dbNote._id }, { new: true });
})
.then(function (dbArticle) {
res.json(dbArticle);
})
.catch(function (err) {
res.json(err);
});
});
// Route for saving/updating article to be saved
app.put("/saved/:id", function (req, res) {
db.Article
.findByIdAndUpdate({ _id: req.params.id }, { $set: { isSaved: true } })
.then(function (dbArticle) {
res.json(dbArticle);
})
.catch(function (err) {
res.json(err);
});
});
app.get("/saved-articles", function (req, res) {
res.render("saved");
});
// Route for getting saved article
app.get("/saved", function (req, res) {
db.Article
.find({ isSaved: true })
.then(function (dbArticle) {
console.log(dbArticle);
res.json(dbArticle);
})
.catch(function (err) {
res.json(err);
});
});
// Route for deleteing all Articles from the db
app.delete("/clear", function (req, res) {
db.Article
.deleteMany({})
.then(function (dbArticles) {
db.Note.deleteMany({})
.then(function(dbNotes) {
res.end();
})
})
.catch(function (err) {
res.json(err);
});
});
// Route for deleting/updating saved article
app.put("/delete/:id", function (req, res) {
db.Article
.findByIdAndUpdate({ _id: req.params.id }, { $set: { isSaved: false } })
.then(function (dbArticle) {
res.json(dbArticle);
})
.catch(function (err) {
res.json(err);
});
});
var MONGODB_URI = process.env.MONGODB_URI || "mongodb://localhost/mongoHeadlines";
// Connect to the Mongo DB
mongoose.connect(MONGODB_URI, { useNewUrlParser: true });
// Start the server
app.listen(PORT, function () {
console.log("App running on port " + PORT + "!");
});