sortCommentWithTest.js

sortCommentWithTest.js

const axios = require('axios');
const readline = require('readline-sync');

class AppClass {
  constructor(data) {
    this.data = [...data];
    this.pageNumber = 1;
    this.pageSize = 10;
    this.tempData = [];
    this.isSearch = false;
  }

  sortBy(key, direction = 'asc') {
    const callBackSort = (_key, _direction) => {
      return (a, b) => (_direction === 'asc') ? a[_key].localeCompare(b[_key]) : b[_key].localeCompare(a[_key]);
    }

    this.data.sort(callBackSort(key, direction));
    console.log(`Sorting data by ${key} - ${direction}`);
  }

  formatComment(comment) {
    const { id, name, email, body } = comment;

    let formatedStr = '';
    formatedStr += `- ID    : ${id}\n`;
    formatedStr += `- Name  : ${name}\n`;
    formatedStr += `- Email : ${email}\n`;
    formatedStr += `- Body  : ${body}\n`
    formatedStr += '========================================';

    return formatedStr;
  }

  printWithPaginate(pageNumber = 1, commentData = this.data) {
    if (commentData.length === 0) return console.log('Data empty');

    this.pageNumber = pageNumber - 1;

    let datas = commentData.slice(this.pageNumber * this.pageSize, (this.pageNumber+1) * this.pageSize);
    datas.map(this.formatComment).forEach(comment => console.log(comment));
  }

  searchComment(keyword) {
    let filteredComments = this.data.filter(comment => {
      return comment.body.toUpperCase().includes(keyword.toUpperCase());
    });

    return filteredComments;
  }

  setTempData(data) {
    this.isSearch = true;
    this.tempData = [...data];
  }
}

const init = data => {
  console.log('...::: Get data comments successfully :::...\n');

  return new AppClass(data);
}

const selectMenu = APP => {
  console.log('Sort options: ');
  console.log('1 name (A-Z)');
  console.log('2 name (Z-A)');
  console.log('3 email (A-Z)');
  console.log('4 email (Z-A)');
  console.log('5 search');
  // let input = readline.question('Select sort options: ');
  let input = readlineWithProxy.question('Select sort options: ');

  switch (input) {
    case '1':
      APP.sortBy('name', 'asc');
      break;
    case '2':
      APP.sortBy('name', 'desc');
      break;
    case '3':
      APP.sortBy('email', 'asc');
      break;
    case '4':
      APP.sortBy('email', 'desc');
      break;
    case '5':
      let keyword = readline.question('Input keyword: ');
      let filteredData = APP.searchComment(keyword);
      APP.setTempData(filteredData);
      break;
  }

  return APP;
}

const selectPage = APP => {
  let isKeepRunning = true;

  while (isKeepRunning === true) {
    console.log('\n\n');
    // let pageNumber = readline.question('Input page number: ');
    let pageNumber = Number(readlineWithProxy.question('Input page number: '));

    // switch (pageNumber) {
    //   case 'exit':
    //     isKeepRunning = false;
    //     break;
    //   default:
    //     pageNumber = Number(pageNumber);

    //     if (APP.isSearch === true) {
    //       APP.printWithPaginate(pageNumber, APP.tempData);
    //     } else {
    //       APP.printWithPaginate(pageNumber);
    //     }
    //     break;
    // }

    if (isNaN(pageNumber) === false) {
      if (APP.isSearch === true) {
        APP.printWithPaginate(pageNumber, APP.tempData);
      } else {
        APP.printWithPaginate(pageNumber);
      }
    } else {
      isKeepRunning = false
    }
  }
}

const URL = 'http://jsonplaceholder.typicode.com/comments';
axios.get(URL)
  .then(res => init(res.data))
  .then(APP => selectMenu(APP))
  .then(APP => selectPage(APP))
  .catch(err => {
    console.log('Error');
    console.log(err);
  })

// ================================================

let isTesting = false;

class ReadlineWithProxyClass {
  constructor() {
    this.data = {};
  }

  addQuestion(q, a) {
    this.data[q] = a;
  }

  removeQuestion(q) {
    delete this.data[q];
  }

  question(question) {
    if (isTesting) {
      return this.data[question];
    } else {
      return readline.question(question);
    }
  }
}

let readlineWithProxy = new ReadlineWithProxyClass();

const testEverything = () => {
  isTesting = true

  const cases = [{
    title: "Case 1 is user menu input unavailable",
    data: {
      question: 'Select sort options: ',
      answer: '6'
    },
    testFunction: testSelectMenu,
    before_test: function(){
      readlineWithProxy.addQuestion(this.data.question, this.data.answer);
    },
    after_test: function(){
      readlineWithProxy.removeQuestion(this.data.question);
    }
  }, {
    title: "Case 2 is input page number not a number",
    data: {
      question: 'Input page number: ',
      answer: 'bukalapak',
    },
    testFunction: testSelectPage,
    before_test: function(){
      readlineWithProxy.addQuestion(this.data.question, this.data.answer);
    },
    after_test: function(){
      readlineWithProxy.removeQuestion(this.data.question);
    }
  }, {
    title: 'Case 3 is sort by name ascending',
    data: {
      sortByKey: 'name',
      sortDirection: 'asc',
      pageNumber: 1
    },
    testFunction: testSortBy,
    before_test: function(){},
    after_test: function(){}
  }];

  let APP = new AppClass([
    {
      "postId": 1,
      "id": 1,
      "name": "repellat consequatur praesentium",
      "email": "Eliseo@gardner.biz",
      "body": "laudantium enim quasi est quidem magnam voluptate ipsam eos\ntempora quo necessitatibus\ndolor quam autem quasi\nreiciendis et nam sapiente accusantium"
    },
    {
      "postId": 2,
      "id": 7,
      "name": "repellat consequatur praesentium vel minus molestias voluptatum",
      "email": "",
      "body": "maiores sed dolores similique labore et inventore et\nquasi temporibus esse sunt id et\neos voluptatem aliquam\naliquid ratione corporis molestiae mollitia quia et magnam dolor"
    }
  ]);

  cases.forEach(( itemCase ) => {
    itemCase.before_test()
    itemCase.testFunction(itemCase.data, itemCase.title, {APP});
    itemCase.after_test()
  })

  isTesting = false
}

const testSelectMenu = (caseData, caseTitle, extra) => {
  console.log(' --- Test selectMenu ---');
  console.log(caseTitle);
  console.log(' ------ ');

  selectMenu(extra.APP);
}

const testSelectPage = (caseData, caseTitle, extra) => {
  console.log(' --- Test selectPage --- ');
  console.log(caseTitle);
  console.log(' ------ ');

  selectPage(extra.APP);
}

const testSortBy = (caseData, caseTitle, extra) => {
  console.log(' --- Test sortBy --- ');
  console.log(caseTitle);
  console.log(' ------ ');

  extra.APP.sortBy(caseData.sortByKey, caseData.sortDirection);
  extra.APP.printWithPaginate(caseData.pageNumber);
}

// ====
testEverything();