app.js - constant
const express = require("express");
const bodyParser = require("body-parser");
const mongoose = require("mongoose");
const ejs = require("ejs");
const app = express();
app.set('view engine', 'ejs');
app.use(bodyParser.urlencoded({
extended: true
}));
app.use(express.static("public"));
mongoose.connect("mongodb://localhost:27017/wikiDB");
const articleSchema = new mongoose.Schema({
title: String,
content: String
})
const Article = mongoose.model("Article", articleSchema);
Requests Targetting all Articles
////////////////////////////Requests Targetting all Articles
app.route("/articles")
// 01. /articles [GET] - Fetches all the articles
.get(function(req, res) {
Article.find(
// 1st input: callback function
function(err, articles) {
if (err) {
res.send(err);
} else {
res.send(articles);
};
});
})
// 02. /articles [POST] - Creates one new article
.post(function(req, res) {
const newArticle = new Article({
title: req.body.title,
content: req.body.content
});
newArticle.save(
// 1st input: callback function
function(err) {
if (!err) {
res.send("Successfully added new article.");
} else {
res.send(err);
}
});
})
// 03. /articles [DELETE] - Deletes all the articles
.delete(function(req, res) {
Article.deleteMany(
// 1st input: callback function
function(err) {
if (!err) {
res.send("Successfully delete all articles.")
} else {
res.send(err);
}
});
});
Requests Targetting A Specific Article
/////////////////////////// Requests Targetting A Specific Article
app.route("/articles/:articleTitle")
// 04. /articles/<title> [GET] - Fetches the articles with <title>
.get(function(req, res) {
Article.findOne(
// 1st input: condition
{title: req.params.articleTitle},
// 2nd input: callback function
function(err, foundArticles) {
if (!foundArticles) {
res.send("No article matched that title was found.")
} else {
res.send(foundArticles);
}
})
})
// 05. /articles/<title> [PUT] - Rewrite entire article with <title>
.put(function(req, res) {
Article.replaceOne(
// 1st input: condition
{title: req.params.articleTitle},
// 2nd input: update items, *** will delete if empty
{title: req.body.title,
content: req.body.content},
// 3rd input: callback function
function(err) {
if (!err) {
console.log(req.body.title);
console.log(req.body.content);
res.send("Successfully updated the article.");
} else {
res.send(err);
}
}
)
})
// 06. /articles/<title> [PATCH] - Updates partial article with <title>
.patch(function(req, res) {
Article.updateOne(
// 1st input: condition
{title: req.params.articleTitle},
// 2nd input: only update field
{$set : req.body},
// 3rd input: callback function
function(err) {
if (!err) {
res.send("Successfully updated the article.");
} else {
res.send(err);
}
}
)
})
// 07. /articles/<title> [DELETE] - Deletes the article with <title>
.delete(function(req, res){
Article.deleteOne(
// 1st input: condition
{title: req.params.articleTitle},
// 2nd input: callback function
function(err) {
if (!err) {
res.send("Successfully delete the article.");
} else {
res.send(err);
}
}
)
})
app.js - constant
app.listen(3000, function() {
console.log("Server started on port 3000");
});
