part 3a

Author: dhatGuy

.gitignore

@@ -1,5 +1,6 @@
-part1/courseinfo/.env
+
 .vscode/settings.json
 node_modules
-part3/phonebook/.eslintignore
+.eslintignore
 part3/phonebook/vercel.json
+.env

part4/blog/controllers/blog.js

@@ -0,0 +1,24 @@
+const blogRouter = require("express").Router();
+const Blog = require("../models/blog");
+
+blogRouter
+  .route("/")
+  .get((req, res, next) => {
+    Blog.find({})
+      .then((blogs) => {
+        res.json(blogs);
+      })
+      .catch((err) => next(err));
+  })
+  .post((req, res, next) => {
+    const blog = new Blog(req.body);
+
+    blog
+      .save()
+      .then((result) => {
+        res.status(201).json(result);
+      })
+      .catch((err) => next(err));
+  });
+
+module.exports = blogRouter;

part4/blog/index.js

@@ -0,0 +1,31 @@
+const express = require("express");
+const app = express();
+const cors = require("cors");
+const mongoose = require("mongoose");
+const config = require("./utils/config");
+const blogRouter = require("./controllers/blog");
+const morgan = require("morgan")
+const middleware = require("./utils/middleware")
+
+morgan.token("body", function (req, res) {
+  return JSON.stringify(req.body);
+});
+
+mongoose.connect(config.mongoUrl, {
+  useNewUrlParser: true,
+  useUnifiedTopology: true,
+  useFindAndModify: false,
+  useCreateIndex: true,
+});
+
+app.use(cors());
+app.use(express.json());
+app.use(
+  morgan(":method :url :status :res[content-length] - :response-time ms :body")
+);
+app.use("/api/blog", blogRouter);
+app.use(middleware.unknownEndpoint)
+app.use(middleware.errorHandler)
+app.listen(config.PORT, () => {
+  console.log(`Server running on port ${config.PORT}`);
+});

part4/blog/models/blog.js

@@ -0,0 +1,21 @@
+const mongoose = require("mongoose");
+const uniqueValidator = require("mongoose-unique-validator");
+
+const blogSchema = new mongoose.Schema({
+  title: { type: String, required: true, unique: true },
+  author: { type: String, required: true, unique: true },
+  url: { type: String, required: true, unique: true },
+  likes: { type: Number },
+});
+
+blogSchema.plugin(uniqueValidator);
+
+blogSchema.set("toJSON", {
+  transform: (document, returnedObject) => {
+    returnedObject.id = returnedObject._id.toString();
+    delete returnedObject._id;
+    delete returnedObject.__v;
+  },
+});
+
+module.exports = mongoose.model("Blog", blogSchema);

part4/blog/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "blog",
+  "version": "1.0.0",
+  "main": "index.js",
+  "scripts": {
+    "start": "node index.js",
+    "dev": "nodemon index.js",
+    "test": "jest --verbose"
+  },
+  "author": "Joseph Odunsi",
+  "license": "MIT",
+  "dependencies": {
+    "cors": "^2.8.5",
+    "dotenv": "^8.2.0",
+    "express": "^4.17.1",
+    "mongoose": "^5.12.5",
+    "morgan": "^1.10.0"
+  },
+  "devDependencies": {
+    "mongoose-unique-validator": "^2.0.3"
+  }
+}

part4/blog/test/dummy.test.js

@@ -0,0 +1,8 @@
+const listHelper = require("../utils/list_helper")
+
+test("dummy returns one", () => {
+  const blogs = [];
+
+  const result = listHelper.dummy(blogs);
+  expect(result).toBe(1);
+});

part4/blog/test/favoriteBlog.test.js

@@ -0,0 +1,67 @@
+const favoriteBlog = require("../utils/list_helper").favoriteBlog;
+
+describe("favorite blog", () => {
+  const blogs = [
+    {
+      _id: "5a422a851b54a676234d17f7",
+      title: "React patterns",
+      author: "Michael Chan",
+      url: "https://reactpatterns.com/",
+      likes: 7,
+      __v: 0,
+    },
+    {
+      _id: "5a422aa71b54a676234d17f8",
+      title: "Go To Statement Considered Harmful",
+      author: "Edsger W. Dijkstra",
+      url:
+        "http://www.u.arizona.edu/~rubinson/copyright_violations/Go_To_Considered_Harmful.html",
+      likes: 5,
+      __v: 0,
+    },
+    {
+      _id: "5a422b3a1b54a676234d17f9",
+      title: "Canonical string reduction",
+      author: "Edsger W. Dijkstra",
+      url: "http://www.cs.utexas.edu/~EWD/transcriptions/EWD08xx/EWD808.html",
+      likes: 12,
+      __v: 0,
+    },
+    {
+      _id: "5a422b891b54a676234d17fa",
+      title: "First class tests",
+      author: "Robert C. Martin",
+      url:
+        "http://blog.cleancoder.com/uncle-bob/2017/05/05/TestDefinitions.htmll",
+      likes: 10,
+      __v: 0,
+    },
+    {
+      _id: "5a422ba71b54a676234d17fb",
+      title: "TDD harms architecture",
+      author: "Robert C. Martin",
+      url:
+        "http://blog.cleancoder.com/uncle-bob/2017/03/03/TDD-Harms-Architecture.html",
+      likes: 0,
+      __v: 0,
+    },
+    {
+      _id: "5a422bc61b54a676234d17fc",
+      title: "Type wars",
+      author: "Robert C. Martin",
+      url: "http://blog.cleancoder.com/uncle-bob/2016/05/01/TypeWars.html",
+      likes: 2,
+      __v: 0,
+    },
+  ];
+
+  test("blog with the most likes", () => {
+    const result = {
+      title: "Canonical string reduction",
+      author: "Edsger W. Dijkstra",
+      likes: 12,
+    };
+
+    expect(favoriteBlog(blogs)).toEqual(result);
+  });
+});

part4/blog/test/totalLikes.test.js

@@ -0,0 +1,78 @@
+const totalLikes = require("../utils/list_helper").totalLikes;
+
+describe("get the total likes in a blog list", () => {
+  const blogs = [
+    {
+      _id: "5a422a851b54a676234d17f7",
+      title: "React patterns",
+      author: "Michael Chan",
+      url: "https://reactpatterns.com/",
+      likes: 7,
+      __v: 0,
+    },
+    {
+      _id: "5a422aa71b54a676234d17f8",
+      title: "Go To Statement Considered Harmful",
+      author: "Edsger W. Dijkstra",
+      url:
+        "http://www.u.arizona.edu/~rubinson/copyright_violations/Go_To_Considered_Harmful.html",
+      likes: 5,
+      __v: 0,
+    },
+    {
+      _id: "5a422b3a1b54a676234d17f9",
+      title: "Canonical string reduction",
+      author: "Edsger W. Dijkstra",
+      url: "http://www.cs.utexas.edu/~EWD/transcriptions/EWD08xx/EWD808.html",
+      likes: 12,
+      __v: 0,
+    },
+    {
+      _id: "5a422b891b54a676234d17fa",
+      title: "First class tests",
+      author: "Robert C. Martin",
+      url:
+        "http://blog.cleancoder.com/uncle-bob/2017/05/05/TestDefinitions.htmll",
+      likes: 10,
+      __v: 0,
+    },
+    {
+      _id: "5a422ba71b54a676234d17fb",
+      title: "TDD harms architecture",
+      author: "Robert C. Martin",
+      url:
+        "http://blog.cleancoder.com/uncle-bob/2017/03/03/TDD-Harms-Architecture.html",
+      likes: 0,
+      __v: 0,
+    },
+    {
+      _id: "5a422bc61b54a676234d17fc",
+      title: "Type wars",
+      author: "Robert C. Martin",
+      url: "http://blog.cleancoder.com/uncle-bob/2016/05/01/TypeWars.html",
+      likes: 2,
+      __v: 0,
+    },
+  ];
+  const blog = [
+    {
+      _id: "5a422a851b54a676234d17f7",
+      title: "React patterns",
+      author: "Michael Chan",
+      url: "https://reactpatterns.com/",
+      likes: 7,
+      __v: 0,
+    },
+  ];
+  test("expects zero when list is empty", ()=>{
+    expect(totalLikes([])).toBe(0)
+  });
+
+  test("when list has only one blog equals the likes of that", ()=>{
+    expect(totalLikes(blog)).toBe(7)
+  })
+
+  test("with bigger list", ()=>{
+    expect(totalLikes(blogs)).toBe(36)
+  })
+});

part4/blog/utils/config.js

@@ -0,0 +1,5 @@
+require("dotenv").config();
+const mongoUrl = process.env.MONGO_URL;
+const PORT = process.env.PORT;
+
+module.exports = { mongoUrl , PORT};

part4/blog/utils/list_helper.js

@@ -0,0 +1,25 @@
+const dummy = (blogs) => {
+  return 1;
+};
+
+const totalLikes = (blogs) => {
+  return blogs.reduce((acc, cur) => {
+    return acc + cur.likes;
+  }, 0);
+};
+
+const favoriteBlog = (blogs) => {
+  const fav = blogs.sort((a, b) => b.likes - a.likes)[0];
+  return { title: fav.title, author: fav.author, likes: fav.likes };
+};
+
+const mostBlogs = (blogs) => {
+  const most = blogs.sort((a, b) => b.likes - a.likes)[0];
+  
+}
+
+module.exports = {
+  dummy,
+  totalLikes,
+  favoriteBlog,
+};