renamed

Pt4_Pt7BlogList/utils/config.js

@@ -0,0 +1,12 @@
+require("dotenv").config();
+
+const MONGODB_URI =
+  process.env.NODE_ENV === "test"
+    ? process.env.TEST_MONGODB_URI
+    : process.env.MONGODB_URI;
+
+module.exports = {
+  SECRET:process.env.SECRET,
+  MONGODB_URI,
+  PORT: process.env.PORT,
+};

Pt4_Pt7BlogList/utils/list_helper.js

@@ -0,0 +1,30 @@
+const dummy = (blogs) => {
+  return 1;
+};
+const totalLikes = (blogs) => {
+  return blogs.reduce((acc, cur) => acc + cur.likes, 0);
+};
+const favoriteBlog = (blogs) => {
+  let result = blogs.sort((a, b) => a.score - b.score);
+  return result[0].likes;
+};
+
+const mostLikes = (blogs) => {
+  let authors = new Map();
+  blogs.forEach((el) => {
+    if (authors.has(el.author))
+      authors.set(el.author, authors.get(el.author) + el.likes);
+    else authors.set(el.author, el.likes);
+  });
+  return Math.max(...authors.values())
+};
+const mostBlogs = (blogs) => {
+  let authors = new Map();
+  blogs.forEach((el) => {
+    if (authors.has(el.author))
+      authors.set(el.author, authors.get(el.author) + 1);
+    else authors.set(el.author, 1);
+  });
+  return Math.max(...authors.values())
+};
+module.exports = { dummy, mostLikes, mostBlogs, totalLikes, favoriteBlog };

Pt4_Pt7BlogList/utils/logger.js

@@ -0,0 +1,12 @@
+const info = (...params) => {
+  console.log(...params);
+};
+
+const error = (...params) => {
+  console.error(...params);
+};
+
+module.exports = {
+  info,
+  error,
+};

Pt4_Pt7BlogList/utils/middleware.js

@@ -0,0 +1,22 @@
+const User = require("../models/user");
+const jwt = require("jsonwebtoken");
+const config = require("./config");
+
+const tokenExtractor = (req, res, next) => {
+  const authorization = req.get("authorization");
+  if (authorization && authorization.startsWith("Bearer "))
+    req.token = authorization.replace("Bearer ", "");
+  next();
+};
+
+const userExtractor = async (req, res, next) => {
+  const decodedToken = jwt.verify(req.token, config.SECRET);
+
+  if (!decodedToken.id) return res.status(401).json({ error: "invalid token" });
+
+  const user = await User.findById(decodedToken.id);
+  console.log('user from the middleware',user)
+  req.user = user;
+  next();
+};
+module.exports = { tokenExtractor, userExtractor };