feat: complete day 8

day8/models/index.js

@@ -1,4 +1,4 @@
-'use strict';
+"use strict";
 /*Powered By: Manaknightdigital Inc. https://manaknightdigital.com/ Year: 2020*/
 /**
  * Sequelize File
@@ -8,49 +8,63 @@
  * @author Ryan Wong
  *
  */
-const fs = require('fs');
+const fs = require("fs");
-const path = require('path');
+const path = require("path");
-let Sequelize = require('sequelize');
+let Sequelize = require("sequelize");
 const basename = path.basename(__filename);
-const { DataTypes } = require('sequelize');
+const { DataTypes } = require("sequelize");
 const config = {
-  DB_DATABASE: 'mysql',
+  DB_DATABASE: "mysql",
-  DB_USERNAME: 'root',
+  DB_USERNAME: "root",
-  DB_PASSWORD: 'root',
+  DB_PASSWORD: process.env.DB_PASSWORD || "root",
-  DB_ADAPTER: 'mysql',
+  DB_ADAPTER: "mysql",
-  DB_NAME: 'day_1',
+  DB_NAME: "day_8",
-  DB_HOSTNAME: 'localhost',
+  DB_HOSTNAME: "localhost",
   DB_PORT: 3306,
 };
 
 let db = {};
 
-let sequelize = new Sequelize(config.DB_DATABASE, config.DB_USERNAME, config.DB_PASSWORD, {
+let sequelize = new Sequelize(
-  dialect: config.DB_ADAPTER,
+  config.DB_NAME,
-  username: config.DB_USERNAME,
+  config.DB_USERNAME,
-  password: config.DB_PASSWORD,
+  config.DB_PASSWORD,
-  database: config.DB_NAME,
+  {
-  host: config.DB_HOSTNAME,
+    dialect: config.DB_ADAPTER,
-  port: config.DB_PORT,
+    username: config.DB_USERNAME,
-  logging: console.log,
+    password: config.DB_PASSWORD,
-  timezone: '-04:00',
+    database: config.DB_NAME,
-  pool: {
+    host: config.DB_HOSTNAME,
-    maxConnections: 1,
+    port: config.DB_PORT,
-    minConnections: 0,
+    logging: console.log,
-    maxIdleTime: 100,
+    timezone: "-04:00",
-  },
+    pool: {
-  define: {
+      maxConnections: 1,
-    timestamps: false,
+      minConnections: 0,
-    underscoredAll: true,
+      maxIdleTime: 100,
-    underscored: true,
+    },
-  },
+    define: {
-});
+      timestamps: false,
+      underscoredAll: true,
+      underscored: true,
+    },
+  }
+);
 
-// sequelize.sync({ force: true });
+sequelize
+  .sync()
+  .then(() => {
+    console.log("All tables synced successfully.");
+  })
+  .catch((err) => {
+    console.error("Failed to sync tables:", err);
+  });
 
 fs.readdirSync(__dirname)
   .filter((file) => {
-    return file.indexOf('.') !== 0 && file !== basename && file.slice(-3) === '.js';
+    return (
+      file.indexOf(".") !== 0 && file !== basename && file.slice(-3) === ".js"
+    );
   })
   .forEach((file) => {
     var model = require(path.join(__dirname, file))(sequelize, DataTypes);

day8/models/question.js

@@ -0,0 +1,34 @@
+module.exports = (sequelize, DataTypes) => {
+  const Question = sequelize.define(
+    "question",
+    {
+      id: {
+        type: DataTypes.INTEGER,
+        primaryKey: true,
+        autoIncrement: true,
+      },
+      quizId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        references: {
+          model: "quiz",
+          key: "id",
+        },
+      },
+      questionText: DataTypes.STRING,
+      options: DataTypes.JSON,
+      answer: DataTypes.STRING,
+    },
+    {
+      timestamps: true,
+      freezeTableName: true,
+      tableName: "question",
+    }
+  );
+
+  Question.associate = (models) => {
+    Question.belongsTo(models.quiz, { foreignKey: "quizId", as: "quiz" });
+  };
+
+  return Question;
+};

day8/models/quiz.js

@@ -0,0 +1,25 @@
+module.exports = (sequelize, DataTypes) => {
+  const Quiz = sequelize.define(
+    "quiz",
+    {
+      id: {
+        type: DataTypes.INTEGER,
+        primaryKey: true,
+        autoIncrement: true,
+      },
+      title: DataTypes.STRING,
+      description: DataTypes.STRING,
+    },
+    {
+      timestamps: true,
+      freezeTableName: true,
+      tableName: "quiz",
+    }
+  );
+
+  Quiz.associate = (models) => {
+    Quiz.hasMany(models.question, { foreignKey: "quizId", as: "questions" });
+  };
+
+  return Quiz;
+};

day8/package.json

@@ -3,7 +3,8 @@
   "version": "0.0.0",
   "private": true,
   "scripts": {
-    "start": "node ./bin/www"
+    "start": "node ./bin/www",
+    "dev": "node --watch --env-file=.env ./bin/www"
   },
   "dependencies": {
     "cookie-parser": "~1.4.4",

day8/quiz.html

@@ -1,277 +1,249 @@
-
 <!DOCTYPE html>
 <html lang="en">
-<head>
+  <head>
-    <meta charset="UTF-8">
+    <meta charset="UTF-8" />
-    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <link rel="stylesheet" href="./style.css">
+    <link rel="stylesheet" href="./style.css" />
     <title>Quiz</title>
     <style>
-@import url("https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700&display=swap");
+      @import url("https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700&display=swap");
 
-* {
+      * {
-  box-sizing: border-box;
+        box-sizing: border-box;
-  margin: 0;
+        margin: 0;
-  padding: 0;
+        padding: 0;
-}
+      }
 
-html,
+      html,
-body {
+      body {
-  font-family: "Open Sans", sans-serif;
+        font-family: "Open Sans", sans-serif;
-  line-height: 1.4;
+        line-height: 1.4;
-  background-color: #333;
+        background-color: #333;
-}
+      }
 
-.main {
+      .main {
-  margin: 0 auto;
+        margin: 0 auto;
-  width: 600px;
+        width: 600px;
-  margin-top: 200px;
+        margin-top: 200px;
 
-  background-color: white;
+        background-color: white;
-  padding: 20px;
+        padding: 20px;
-  border-radius: 10px;
+        border-radius: 10px;
-  /* box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px; */
+        /* box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px; */
-  box-shadow: rgba(0, 0, 0, 0.05) 0px 6px 24px 0px,
+        box-shadow: rgba(0, 0, 0, 0.05) 0px 6px 24px 0px,
-    rgba(0, 0, 0, 0.08) 0px 0px 0px 1px;
+          rgba(0, 0, 0, 0.08) 0px 0px 0px 1px;
-}
+      }
 
-.hidden {
+      .hidden {
-  display: none;
+        display: none;
-}
+      }
 
-button {
+      button {
-  padding: 10px;
+        padding: 10px;
-  border: 10px;
+        border: 10px;
-  background-color: teal;
+        background-color: teal;
-  font-weight: bold;
+        font-weight: bold;
-  color: white;
+        color: white;
-  border-radius: 2px;
+        border-radius: 2px;
-}
+      }
-button:hover {
+      button:hover {
-  cursor: pointer;
+        cursor: pointer;
-}
+      }
-input {
+      input {
-  margin: 10px;
+        margin: 10px;
-  border: none;
+        border: none;
-  font-size: large;
+        font-size: large;
-  color: rgba(0, 128, 128, 0.616);
+        color: rgba(0, 128, 128, 0.616);
-}
+      }
-textarea {
+      textarea {
-  border: none;
+        border: none;
-  font-size: large;
+        font-size: large;
-  color: rgba(0, 128, 128, 0.616);
+        color: rgba(0, 128, 128, 0.616);
-}
+      }
-ul {
+      ul {
-  list-style: none;
+        list-style: none;
-  margin-bottom: 10px;
+        margin-bottom: 10px;
-}
+      }
-#bool {
+      #bool {
-  list-style: none;
+        list-style: none;
-  display: flex;
+        display: flex;
-  flex-direction: row;
+        flex-direction: row;
-  margin: 10px;
+        margin: 10px;
-}
+      }
-textarea:focus,
+      textarea:focus,
-input:focus {
+      input:focus {
-  outline: none;
+        outline: none;
-}
+      }
-
-#yourAnswers p {
-  margin-top: 30px;
-  color: teal;
-}
 
+      #yourAnswers p {
+        margin-top: 30px;
+        color: teal;
+      }
     </style>
-</head>
+  </head>
-<body>
+  <body>
-
+    <div class="main">
-        <div class="main">
+      <h1>Quiz</h1>
-
+      <div id="yourAnswers" class="hidden">
-
+        <h1>Your answers</h1>
-                <h1>Quiz</h1>
+        <pre id="answerObject"></pre>
-                <div id="yourAnswers" class="hidden">
+      </div>
-                    <h1 >Your answers</h1>
+      <div class="question" id="questionsDiv">
-                    <pre id="answerObject"></pre>
+        <h2 id="title"></h2>
-                </div>
+        <ul id="selectionList"></ul>
-                <div class="question" id="questionsDiv">
+        <input id="short" type="text" class="hidden" />
-
+        <textarea
-                    <h2 id="title"></h2>
+          name=""
-                    <ul id ='selectionList'> </ul>
+          id="long"
-                    <input id="short"  type="text" class="hidden"/>
+          class="hidden"
-                    <textarea name="" id="long" class="hidden" cols="30" rows="10"></textarea>
+          cols="30"
-                <div id="bool"></div>
+          rows="10"
-                <button id="next">Next</button>
+        ></textarea>
-                </div>
+        <div id="bool"></div>
-        </div>
+        <button id="next">Next</button>
+      </div>
+    </div>
 
     <script>
-let quiz = [
+      // Fetch quiz data from API
-  {
+      fetch("/api/quiz")
-    id: 1,
+        .then((res) => res.json())
-    type: "short_answer",
+        .then((result) => {
-    question: "Why is the sky blue?",
+          if (result.success) {
-    answers: [],
+            // Transform API data to match expected quiz array structure
-    correct_answer: 0,
+            const apiQuiz = result.data;
-  },
+            window.quiz = apiQuiz.questions.map((q, idx) => ({
-  {
+              id: q.id,
-    id: 2,
+              type: "multiple_choice", // You can enhance this to support more types if needed
-    type: "multiple_choice",
+              question: q.questionText,
-    question: "Why is the sky blue?",
+              answers: q.options.map((opt, i) => ({ id: i + 1, answer: opt })),
-    answers: [
+              correct_answer: q.answer,
-      { id: 1, answer: "Because of physics" },
+            }));
-      { id: 2, answer: "Because that the way it always was" },
+            // Start quiz
-      { id: 3, answer: "I don't know" },
+            window.i = 0;
-    ],
+            window.answers = {};
-    correct_answer: 1,
+            populateQuestion(window.i);
-  },
+          } else {
-  {
+            alert("Failed to load quiz: " + result.error);
-    id: 3,
+          }
-    type: "multiple_selection_choice",
+        })
-    question: "Why is the sky blue?",
+        .catch((err) => {
-    answers: [
+          alert("Error fetching quiz: " + err);
-      { id: 1, answer: "Because of physics" },
+        });
-      { id: 2, answer: "Because that the way it always was" },
-      { id: 3, answer: "I don't know" },
-    ],
-    correct_answer: 1,
-  },
-  {
-    id: 4,
-    type: "long_text",
-    question: "Why is the sky blue?",
-    answers: [],
-    correct_answer: 0,
-  },
-  {
-    id: 5,
-    type: "description",
-    question: "random text to show to the user",
-    answers: [],
-    correct_answer: 0,
-  },
-  {
-    id: 6,
-    type: "true_false",
-    question: "Is the sky blue",
-    answers: [],
-    correct_answer: 2,
-  },
-];
 
-let nextButton = document.getElementById("next");
+      let nextButton = document.getElementById("next");
-let title = document.getElementById("title");
+      let title = document.getElementById("title");
-let selectionList = document.getElementById("selectionList");
+      let selectionList = document.getElementById("selectionList");
-let bool = document.getElementById("bool");
+      let bool = document.getElementById("bool");
-let inp = document.getElementById("short");
+      let inp = document.getElementById("short");
-let text = document.getElementById("long");
+      let text = document.getElementById("long");
-let yourAnswers = document.getElementById("yourAnswers");
+      let yourAnswers = document.getElementById("yourAnswers");
-let questionsDiv = document.getElementById("questionsDiv");
+      let questionsDiv = document.getElementById("questionsDiv");
-let i = 0;
 
-let answers = {};
+      //step
+      nextButton.onclick = function () {
+        //get the answers
+        if (quiz[i].type == "short_answer") {
+          let x = document.getElementsByClassName("current")[0];
+          let currentAnswer = x.value;
+          let question = quiz[i].question;
+          let answer = { [question]: currentAnswer };
+          answers = { ...answers, [quiz[i].id]: { ...answer } };
+          x.classList.toggle("hidden");
+          x.classList.remove("current");
+        } else if (
+          quiz[i].type == "multiple_choice" ||
+          quiz[i].type == "multiple_selection_choice"
+        ) {
+          let x = document.querySelector(`input[name="question${i}_choice"]`);
+          let currentAnswer = x.value;
+          let question = quiz[i].question;
+          let answer = { [question]: currentAnswer };
+          answers = { ...answers, [quiz[i].id]: { ...answer } };
+          x.classList.toggle("hidden");
+        } else if (
+          quiz[i].type == "long_text" ||
+          quiz[i].type == "description"
+        ) {
+          let x = document.getElementsByClassName("current")[0];
+          let currentAnswer = x.value;
+          let question = quiz[i].question;
+          let answer = { [question]: currentAnswer };
+          answers = { ...answers, [quiz[i].id]: { ...answer } };
+          x.classList.toggle("hidden");
+          x.classList.remove("current");
+        } else if (quiz[i].type == "true_false") {
+          let x = document.querySelector("input[name=bool]");
+          let currentAnswer = x.value;
+          let question = quiz[i].question;
+          let answer = { [question]: currentAnswer };
+          answers = { ...answers, [quiz[i].id]: { ...answer } };
+          x.classList.toggle("hidden");
+        }
+        console.log(i);
+        ++i;
+        if (i > quiz.length - 1) {
+          //display answer
+          questionsDiv.classList.toggle("hidden");
+          yourAnswers.classList.toggle("hidden");
+          const myJSON = JSON.stringify(answers, null, "\t");
+          document.getElementById("answerObject").innerHTML = myJSON;
+          return;
+        }
+        populateQuestion(i);
+      };
 
-//step
+      //generate question
-nextButton.onclick = function () {
+      function populateQuestion(qNum) {
-  //get the answers
+        let individualQuestion = quiz[qNum];
-  if (quiz[i].type == "short_answer") {
+        title.innerText = individualQuestion.question;
-    let x = document.getElementsByClassName("current")[0];
-    let currentAnswer = x.value;
-    let question = quiz[i].question;
-    let answer = { [question]: currentAnswer };
-    answers = { ...answers, [quiz[i].id]: { ...answer } };
-    x.classList.toggle("hidden");
-    x.classList.remove("current");
-  } else if (
-    quiz[i].type == "multiple_choice" ||
-    quiz[i].type == "multiple_selection_choice"
-  ) {
-    let x = document.querySelector(`input[name="question${i}_choice"]`);
-    let currentAnswer = x.value;
-    let question = quiz[i].question;
-    let answer = { [question]: currentAnswer };
-    answers = { ...answers, [quiz[i].id]: { ...answer } };
-    x.classList.toggle("hidden");
-  } else if (quiz[i].type == "long_text" || quiz[i].type == "description") {
-    let x = document.getElementsByClassName("current")[0];
-    let currentAnswer = x.value;
-    let question = quiz[i].question;
-    let answer = { [question]: currentAnswer };
-    answers = { ...answers, [quiz[i].id]: { ...answer } };
-    x.classList.toggle("hidden");
-    x.classList.remove("current");
-  } else if (quiz[i].type == "true_false") {
-    let x = document.querySelector("input[name=bool]");
-    let currentAnswer = x.value;
-    let question = quiz[i].question;
-    let answer = { [question]: currentAnswer };
-    answers = { ...answers, [quiz[i].id]: { ...answer } };
-    x.classList.toggle("hidden");
-  }
-  console.log(i);
-  ++i;
-  if (i > quiz.length - 1) {
-    //display answer
-    questionsDiv.classList.toggle("hidden");
-    yourAnswers.classList.toggle("hidden");
-    const myJSON = JSON.stringify(answers, null, "\t");
-    document.getElementById("answerObject").innerHTML = myJSON;
-    return;
-  }
-  populateQuestion(i);
-};
 
-//generate question
+        //condition to check type of question
-function populateQuestion(qNum) {
-  let individualQuestion = quiz[qNum];
-  title.innerText = individualQuestion.question;
 
-  //condition to check type of question
+        if (individualQuestion.type == "short_answer") {
+          selectionList.innerHTML = "";
+          short.classList.toggle("hidden");
+          short.classList.add("current");
+          short.placeholder = "your reason here";
+        } else if (
+          individualQuestion.type == "multiple_choice" ||
+          individualQuestion.type == "multiple_selection_choice"
+        ) {
+          selectionList.innerHTML = ""; //reset choices list
+          for (j in individualQuestion.answers) {
+            let radioBtnName = "question" + qNum + "_choice";
+            let choiceText = individualQuestion.answers[j].answer;
+            selectionList.appendChild(createLi(radioBtnName, choiceText));
+          }
+        } else if (
+          individualQuestion.type == "long_text" ||
+          individualQuestion.type == "description"
+        ) {
+          selectionList.innerHTML = "";
+          long.classList.toggle("hidden");
+          long.classList.add("current");
+          long.placeholder = "your reason here";
+        } else if (individualQuestion.type == "true_false") {
+          selectionList.innerHTML = "";
+          bool.appendChild(createLi("bool", "True"));
+          bool.appendChild(createLi("bool", "True"));
+        }
+      }
 
-  if (individualQuestion.type == "short_answer") {
+      //multiple choice
-    selectionList.innerHTML = "";
+      function createLi(name, choiceText) {
-    short.classList.toggle("hidden");
+        let e = document.createElement("li");
-    short.classList.add("current");
+        let radioHtml =
-    short.placeholder = "your reason here";
+          '<input value="' + choiceText + '" type="radio" name="' + name + '"';
-  } else if (
+        radioHtml += "/>";
-    individualQuestion.type == "multiple_choice" ||
+        radioHtml += choiceText;
-    individualQuestion.type == "multiple_selection_choice"
+        e.innerHTML = radioHtml;
-  ) {
+        return e;
-    selectionList.innerHTML = ""; //reset choices list
+      }
-    for (j in individualQuestion.answers) {
-      let radioBtnName = "question" + qNum + "_choice";
-      let choiceText = individualQuestion.answers[j].answer;
-      selectionList.appendChild(createLi(radioBtnName, choiceText));
-    }
-  } else if (
-    individualQuestion.type == "long_text" ||
-    individualQuestion.type == "description"
-  ) {
-    selectionList.innerHTML = "";
-    long.classList.toggle("hidden");
-    long.classList.add("current");
-    long.placeholder = "your reason here";
-  } else if (individualQuestion.type == "true_false") {
-    selectionList.innerHTML = "";
-    bool.appendChild(createLi("bool", "True"));
-    bool.appendChild(createLi("bool", "True"));
-  }
-}
-
-//multiple choice
-function createLi(name, choiceText) {
-  let e = document.createElement("li");
-  let radioHtml =
-    '<input value="' + choiceText + '" type="radio" name="' + name + '"';
-  radioHtml += "/>";
-  radioHtml += choiceText;
-  e.innerHTML = radioHtml;
-  return e;
-}
-
-//call function at the beginning
-populateQuestion(i);
 
+      //call function at the beginning
+      populateQuestion(i);
     </script>
-</body>
+  </body>
 </html>

day8/routes/index.js

@@ -1,9 +1,38 @@
-var express = require('express');
+var express = require("express");
 var router = express.Router();
+const db = require("../models");
+const path = require("path");
 
 /* GET home page. */
-router.get('/', function(req, res, next) {
+router.get("/", function (req, res, next) {
-  res.render('index', { title: 'Express' });
+  res.render("index", { title: "Express" });
+});
+
+// API endpoint to get quiz and questions
+router.get("/api/quiz", async function (req, res) {
+  try {
+    const quiz = await db.quiz.findOne({
+      include: [{ model: db.question, as: "questions" }],
+    });
+    if (!quiz) {
+      return res.json({ success: false, error: "Quiz not found" });
+    }
+    // Parse options from JSON string to array for each question
+    const quizData = quiz.toJSON();
+    quizData.questions = quizData.questions.map((q) => ({
+      ...q,
+      options:
+        typeof q.options === "string" ? JSON.parse(q.options) : q.options,
+    }));
+    res.json({ success: true, data: quizData });
+  } catch (err) {
+    res.json({ success: false, error: err.message });
+  }
+});
+
+// Serve quiz.html at /quiz
+router.get("/quiz", function (req, res) {
+  res.sendFile(path.join(__dirname, "../quiz.html"));
 });
 
 module.exports = router;

day8/seed.js

@@ -0,0 +1,39 @@
+const db = require("./models/index");
+
+async function seed() {
+  await db.sequelize.sync({ force: true });
+
+  const quiz = await db.quiz.create({
+    title: "JavaScript Basics",
+    description: "A quiz on JavaScript fundamentals.",
+  });
+
+  await db.question.bulkCreate([
+    {
+      quizId: quiz.id,
+      questionText: 'What is the output of 1 + "2" in JavaScript?',
+      options: JSON.stringify(["3", "12", "NaN", "Error"]),
+      answer: "12",
+    },
+    {
+      quizId: quiz.id,
+      questionText: "Which company developed JavaScript?",
+      options: JSON.stringify(["Netscape", "Microsoft", "Google", "Apple"]),
+      answer: "Netscape",
+    },
+    {
+      quizId: quiz.id,
+      questionText: "What keyword declares a variable in JavaScript?",
+      options: JSON.stringify(["var", "let", "const", "All of the above"]),
+      answer: "All of the above",
+    },
+  ]);
+
+  console.log("Database seeded!");
+  process.exit();
+}
+
+seed().catch((err) => {
+  console.error(err);
+  process.exit(1);
+});