app.js

var express     = require("express"),
    app         = express(),
    bodyParser  = require("body-parser"),
    mongoose    = require("mongoose"),
    methodOverride = require("method-override"),
    expressSanitizer = require("express-sanitizer");
    
app.set("view engine","ejs");
app.use(express.static("public"));
app.use(bodyParser.urlencoded({extended: true}));
app.use(methodOverride("_method"));
app.use(expressSanitizer());

//setting up mongoose, title, image, body, date
mongoose.connect("mongodb://localhost/restfulblogapp");

//MONGOOSE/MODEL CONFIG
var blogSchema =  new mongoose.Schema({
    title: String,
    image: String,
    body: String,
    created: {type: Date, default: Date.now}
})

var Blog = mongoose.model("Blog",blogSchema);


app.get("/", function(req,res){
    res.redirect("/blogs");
});

app.get("/blogs", function(req,res){
    Blog.find({}, function(err,blogs){
        if(err){
            console.log("ERROR :" + err);
        } else{
            res.render("index",{blogs:blogs});
        }
    })
});

app.get("/blogs/new", function(req,res){
    res.render('new');
})

app.post("/blogs", function(req,res){
    //create blog
    req.body.blog.body = req.sanitize(req.body.blog.body);
    Blog.create(req.body.blog,function(err,newBlog){
        if(err){
            res.render("new")
        } else{
            res.redirect("/blogs")
        };
    });
});

app.get("/blogs/:id", function(req,res){
    Blog.findById(req.params.id, function(err, foundBlog){
        if(err){
            res.redirect("/blogs");
        } else{
            res.render("show", {blog:foundBlog});
        }
    })
});

app.get("/blogs/:id/edit", function(req,res){
    Blog.findById(req.params.id, function(err, foundBlog){
        if(err){
            res.redirect("/blogs");
        } else{
            res.render("edit", {blog:foundBlog})
        }
    });
});

app.put("/blogs/:id", function(req,res){
    req.body.blog.body = req.sanitize(req.body.blog.body);
    Blog.findByIdAndUpdate(req.params.id,req.body.blog,function(err, updatedBlog){
        if(err){
            res.redirect("/blogs");
        } else{
            res.redirect("/blogs/"+ req.params.id);
        }
    })
});

app.delete("/blogs/:id", function(req,res){
    Blog.findByIdAndRemove(req.params.id, function(err){
        if(err){
            res.redirect("/blogs");
        } else{
            res.redirect("/blogs");
        }
    });
});

app.listen(process.env.PORT,process.env.IP, function(){
    console.log("Your Restful Blog has started!");
});