add homepage and signup form

Author: ankushdutt

.gitignore

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+node_modules/

app.js

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+var express     = require("express")
+    app         = express()
+    bodyParser  = require("body-parser")
+    mongoose    = require("mongoose")
+    passport    = require("passport")
+    LclStrategy = require("passport-local")
+    mthdOveride = require("method-override")
+    Blog        = require("./models/blog")
+    Comment     = require("./models/comment")
+    User        = require("./models/user")
+
+var indexRoutes = require("./routes/index")
+// var commentRoutes = require("./routes/comments")
+var blogRoutes = require("./routes/blogs")
+
+mongoose.connect("mongodb://localhost/Blog_Website", {useNewUrlParser: true,  useUnifiedTopology: true}, function() {
+    console.log("MongoDB Connected")
+});
+
+app.set("view engine", "ejs")
+app.use(express.static(__dirname + "/public"))
+app.use(bodyParser.urlencoded({extended: true})) //used to support body parser which helps in transforming data from form to req.body 
+app.use(mthdOveride("_method"))
+// app.use(flash())
+
+// ----PASSPORT CONFIG--------
+app.use(require("express-session")({
+    secret: "secret",
+    resave: false,
+    saveUnitialized: false
+}))
+
+app.use(passport.initialize())
+app.use(passport.session())
+passport.use(new LclStrategy(User.authenticate()))
+passport.serializeUser(User.serializeUser())
+passport.deserializeUser(User.deserializeUser())
+// -----------------------------
+app.use(function(req, res, next){             
+    res.locals.currentUser = req.user // currentUser is variable to pass in EVERY routes! req.user stores information about the logged in user
+    // res.locals.error = req.flash("error")
+    // res.locals.success = req.flash("success")
+    next()
+})
+
+app.use(indexRoutes)
+// app.use("/campgrounds/:id/comments", commentRoutes)
+app.use(blogRoutes)
+
+//-------------LISTEN ON PORT 5000--------------
+app.listen(process.env.PORT || 5000, function() {
+    console.log("server is running at http://localhost:5000")
+})

middleware/index.js

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+var Blog  = require("../models/blog");
+var Comment     = require("../models/comment");
+
+var middlewareObj = {}
+middlewareObj.checkBlogOwnership = function(req, res, next){
+    if(req.isAuthenticated()){
+        Blog.findById(req.params.id, function(err, foundBlog){
+            if(err){
+                res.redirect("back")
+            } else{
+                if(foundBlog.author.id.equals(req.user._id)){
+                    next()
+                } else{
+                    res.redirect("back")
+                }
+            }
+        })
+    } else{
+        res.redirect("back")
+    }
+}
+
+middlewareObj.isLoggedIn = function(req, res, next){
+    if(req.isAuthenticated()){
+        return next()
+    }
+    // req.flash("error", "Please Login First!")
+    res.redirect("/login")
+}
+
+middlewareObj.checkCommentOwnership = function(req, res, next){
+    if(req.isAuthenticated()){
+        Comment.findById(req.params.comment_id, function(err, foundComment){
+            if(err){
+                res.redirect("back")
+            } else{
+                if(foundComment.author.id.equals(req.user._id)){
+                    next()
+                } else{
+                    res.redirect("back")
+                }
+            }
+        })
+    } else{
+        // req.flash("error", "You need to be logged in!")
+        res.redirect("back")
+    }
+}
+
+module.exports = middlewareObj
+
+

models/blog.js

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+var mongoose = require("mongoose")
+var blogSchema = new mongoose.Schema({
+    title: String,
+    image: String,
+    body: String,
+    created: {
+        type: Date,
+        default: Date.now
+    },
+    author: {
+        id: {
+            type: mongoose.Schema.Types.ObjectId,
+            ref: "User"
+        },
+        username: String
+    },
+    comments: [
+        {
+            type: mongoose.Schema.Types.ObjectId,
+            ref: "Comment"
+        }
+    ]
+})
+
+module.exports = mongoose.model("Blog", blogSchema)

models/comment.js

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+var mongoose = require("mongoose")
+var commentSchema = mongoose.Schema({
+    text: String,
+    author: {
+        id: {
+            type: mongoose.Schema.Types.ObjectId,
+            ref: "User"
+        },
+        username: String
+    }
+})
+
+module.exports = mongoose.model("Comment", commentSchema)

models/user.js

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+var mongoose = require("mongoose")
+var passportLocalMongoose = require("passport-local-mongoose")
+var userSchema = new mongoose.Schema({
+    username: String,
+    password: String
+})
+
+userSchema.plugin(passportLocalMongoose)
+module.exports = mongoose.model("User", userSchema)