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app.js
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app.js
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//jshint esversion:6
const express = require("express");
const ejs = require("ejs");
const bodyParser = require("body-parser");
const mongoose = require("mongoose");
mongoose.connect("mongodb://localhost:27017/wikiDB", {useNewUrlParser:true, useUnifiedTopology: true});
const articleSchema = {
title: String,
content: String
};
const Article = mongoose.model("Article", articleSchema);
const app = express();
app.set('view engine', 'ejs');
app.use(bodyParser.urlencoded({extended: true}));
app.use(express.static("public"));
//Express allow us to CHAIN ROUT HANDLER using app.route("/routName which is common to all").get().post().delete();
///////////////////Request targeting all Articles////////////////////////////////////////////////////
app.route("/articles")
.get(function(req, res){
Article.find({}, function(err, foundArticles){
if(!err){
res.send(foundArticles);
}else{
console.log(err);
}
});
})
.post(function(req, res){
const newArticle = new Article({
title: req.body.title,
content: req.body.content
});
newArticle.save(function(err){
if(!err){
res.send("Successfully added new article");
}else{
res.send(err);
}
});
})
.delete(function(req, res){
Article.deleteMany({}, function(err){
if(!err){
res.send("Successfully deleted all articles");
}else{
res.send(err);
}
});
});
///////////////////Request targeting specific Articles////////////////////////////////////////////////////
app.route("/articles/:articleTitle")
.get(function(req,res){
Article.findOne({title: req.params.articleTitle}, function(err, foundArticle){
if(foundArticle){
res.send(foundArticle);
}else{
res.send("No matching article with that title!");
}
});
})
.put(function(req, res){
Article.update(
{title: req.params.articleTitle},
{title: req.body.title, content: req.body.content},
{overwrite: true}, function(err){
if(!err){
res.send("Successfully updated article");
}
});
})
.patch(function(req, res){
Article.update(
{title: req.params.articleTitle},
{$set: req.body},
function(err){
if(!err){
res.send("Successfully updated article");
}else{
res.send(err);
}
});
})
.delete(function(req, res){
Article.deleteOne(
{title: req.params.articleTitle},
function(err){
if(!err){
res.send("Successfully deleted article " + req.params.articleTitle);
}
});
});
app.listen(3000, function(){
console.log("Server is running on port 3000");
});