Merge pull request #1114 from Tanaya555/main

Add files via upload

Author: Tejas1510

Javascript/Articooz/README.md

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+# Articooz 🖊📝
+## A platform to post blogs and articles, follow each other, and even have conversations. 
+
+## ➡ [Live Site](https://articooz.herokuapp.com/) ⬅
+---
+## Screenshots
+
+![Screenshot_1](https://user-images.githubusercontent.com/55017730/95657427-201d6600-0b32-11eb-9599-4e0aa21a26a5.png)
+
+
+![Screenshot_2](https://user-images.githubusercontent.com/55017730/95657442-2f9caf00-0b32-11eb-99f8-900465a5cb1c.png)
+
+
+![Screenshot_3](https://user-images.githubusercontent.com/55017730/95657458-375c5380-0b32-11eb-9aa1-a854f69ed824.png)

Javascript/Articooz/app.js

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+const express = require("express");
+const session = require("express-session");
+const MongoStore = require("connect-mongo")(session);
+const flash = require("connect-flash");
+const markdown = require("marked");
+const csrf = require("csurf");
+const app = express();
+const sanitizeHTML = require("sanitize-html");
+
+app.use(express.urlencoded({ extended: false }));
+app.use(express.json());
+
+app.use("/api", require("./router-api"));
+
+let sessionOptions = session({
+  secret: "JavaScript is sooooooooo coool",
+  store: new MongoStore({ client: require("./db") }),
+  resave: false,
+  saveUninitialized: false,
+  cookie: { maxAge: 1000 * 60 * 60 * 24, httpOnly: true },
+});
+
+app.use(sessionOptions);
+app.use(flash());
+
+app.use(function (req, res, next) {
+  // make our markdown function available from within ejs templates
+  res.locals.filterUserHTML = function (content) {
+    return sanitizeHTML(markdown(content), {
+      allowedTags: [
+        "p",
+        "br",
+        "ul",
+        "ol",
+        "li",
+        "strong",
+        "bold",
+        "i",
+        "em",
+        "h1",
+        "h2",
+        "h3",
+        "h4",
+        "h5",
+        "h6",
+      ],
+      allowedAttributes: {},
+    });
+  };
+
+  // make all error and success flash messages available from all templates
+  res.locals.errors = req.flash("errors");
+  res.locals.success = req.flash("success");
+
+  // make current user id available on the req object
+  if (req.session.user) {
+    req.visitorId = req.session.user._id;
+  } else {
+    req.visitorId = 0;
+  }
+
+  // make user session data available from within view templates
+  res.locals.user = req.session.user;
+  next();
+});
+
+const router = require("./router");
+
+app.use(express.static("public"));
+app.set("views", "views");
+app.set("view engine", "ejs");
+
+app.use(csrf());
+
+app.use(function (req, res, next) {
+  res.locals.csrfToken = req.csrfToken();
+  next();
+});
+
+app.use("/", router);
+
+app.use(function (err, req, res, next) {
+  if (err) {
+    if (err.code == "EBADCSRFTOKEN") {
+      req.flash("errors", "Cross site request forgery detected.");
+      req.session.save(() => res.redirect("/"));
+    } else {
+      res.render("404");
+    }
+  }
+});
+
+const server = require("http").createServer(app);
+const io = require("socket.io")(server);
+
+io.use(function (socket, next) {
+  sessionOptions(socket.request, socket.request.res, next);
+});
+
+io.on("connection", function (socket) {
+  if (socket.request.session.user) {
+    let user = socket.request.session.user;
+
+    socket.emit("welcome", { username: user.username, avatar: user.avatar });
+
+    socket.on("chatMessageFromBrowser", function (data) {
+      socket.broadcast.emit("chatMessageFromServer", {
+        message: sanitizeHTML(data.message, {
+          allowedTags: [],
+          allowedAttributes: {},
+        }),
+        username: user.username,
+        avatar: user.avatar,
+      });
+    });
+  }
+});
+
+module.exports = server;

Javascript/Articooz/controllers/followController.js

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+const Follow = require("../models/Follow");
+
+exports.addFollow = function (req, res) {
+  let follow = new Follow(req.params.username, req.visitorId);
+  follow
+    .create()
+    .then(() => {
+      req.flash("success", `Successfully followed ${req.params.username}`);
+      req.session.save(() => res.redirect(`/profile/${req.params.username}`));
+    })
+    .catch((errors) => {
+      errors.forEach((error) => {
+        req.flash("errors", error);
+      });
+      req.session.save(() => res.redirect("/"));
+    });
+};
+
+exports.removeFollow = function (req, res) {
+  let follow = new Follow(req.params.username, req.visitorId);
+  follow
+    .delete()
+    .then(() => {
+      req.flash(
+        "success",
+        `Successfully stopped following ${req.params.username}`
+      );
+      req.session.save(() => res.redirect(`/profile/${req.params.username}`));
+    })
+    .catch((errors) => {
+      errors.forEach((error) => {
+        req.flash("errors", error);
+      });
+      req.session.save(() => res.redirect("/"));
+    });
+};

Javascript/Articooz/controllers/postController.js

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+const Post = require("../models/Post");
+
+exports.viewCreateScreen = function (req, res) {
+  res.render("create-post");
+};
+
+exports.create = function (req, res) {
+  let post = new Post(req.body, req.session.user._id);
+  post
+    .create()
+    .then(function (newId) {
+      req.flash("success", "New post successfully created.");
+      req.session.save(() => res.redirect(`/post/${newId}`));
+    })
+    .catch(function (errors) {
+      errors.forEach((error) => req.flash("errors", error));
+      req.session.save(() => res.redirect("/create-post"));
+    });
+};
+
+exports.viewSingle = async function (req, res) {
+  try {
+    let post = await Post.findSingleById(req.params.id, req.visitorId);
+    res.render("single-post-screen", { post: post, title: post.title });
+  } catch {
+    res.render("404");
+  }
+};
+
+exports.viewEditScreen = async function (req, res) {
+  try {
+    let post = await Post.findSingleById(req.params.id, req.visitorId);
+    if (post.isVisitorOwner) {
+      res.render("edit-post", { post: post });
+    } else {
+      req.flash("errors", "You do not have permission to perform that action.");
+      req.session.save(() => res.redirect("/"));
+    }
+  } catch {
+    res.render("404");
+  }
+};
+
+exports.edit = function (req, res) {
+  let post = new Post(req.body, req.visitorId, req.params.id);
+  post
+    .update()
+    .then((status) => {
+      // the post was successfully updated in the database
+      // or user did have permission, but there were validation errors
+      if (status == "success") {
+        // post was updated in db
+        req.flash("success", "Post successfully updated.");
+        req.session.save(function () {
+          res.redirect(`/post/${req.params.id}/edit`);
+        });
+      } else {
+        post.errors.forEach(function (error) {
+          req.flash("errors", error);
+        });
+        req.session.save(function () {
+          res.redirect(`/post/${req.params.id}/edit`);
+        });
+      }
+    })
+    .catch(() => {
+      // a post with the requested id doesn't exist
+      // or if the current visitor is not the owner of the requested post
+      req.flash("errors", "You do not have permission to perform that action.");
+      req.session.save(function () {
+        res.redirect("/");
+      });
+    });
+};
+
+exports.delete = function (req, res) {
+  Post.delete(req.params.id, req.visitorId)
+    .then(() => {
+      req.flash("success", "Post successfully deleted.");
+      req.session.save(() =>
+        res.redirect(`/profile/${req.session.user.username}`)
+      );
+    })
+    .catch(() => {
+      req.flash("errors", "You do not have permission to perform that action.");
+      req.session.save(() => res.redirect("/"));
+    });
+};
+
+exports.search = function (req, res) {
+  Post.search(req.body.searchTerm)
+    .then((posts) => {
+      res.json(posts);
+    })
+    .catch(() => {
+      res.json([]);
+    });
+};