Semester Result generator to generate bulk fake result with valid courses for respected semester.

baiust_semester_result_generator.js

function extractIdParts(id) {
  if (id.length < 16) {
    throw new Error("ID Length cannot be less than 16.");
  }

  const regex = /(\d{3})(\d{2})(\d{1})(\d{2})(\d{5})(\d{3})/;
  const match = regex.exec(id);

  if (!match) {
    throw new Error("Invalid ID format");
  }

  const validSemesterCodes = {
    1: "Spring",
    2: "Fall",
  };

  const validHostelCodes = {
    "01": "Yes",
    "02": "No",
  };

  const validProgramNames = {
    "05101": "CSE",
    "05131": "EEE",
    "05081": "CE",
    "04081": "DBA",
    "02161": "ENGLISH",
    "08131": "LAW",
  };

  // Extract the matched groups
  const universityCode = match[1];
  const admissionYear = "20" + match[2];
  const semesterCode = match[3];
  const semesterName = validSemesterCodes[match[3]] ?? "Unknown";
  const hostelStatus = validHostelCodes[match[4]] ?? "Unknown";
  const programCode = match[5];
  const programName = validProgramNames[match[5]] ?? "Unknown";
  const studentSerial = match[6];

  const idParts = {
    universityCode,
    admissionYear,
    semesterCode,
    semesterName,
    hostelStatus,
    programCode,
    programName,
    studentSerial,
  };

  return idParts;
}

function getCurrentSemester(id, currentDate) {
  const { admissionYear, semesterCode } = extractIdParts(id);

  const admissionDate =
    semesterCode == "1"
      ? new Date(admissionYear, 3, 1) // spring
      : new Date(admissionYear, 9, 1); // fall

  const diff =
    currentDate.getMonth() - admissionDate.getMonth() + 12 * (currentDate.getFullYear() - admissionDate.getFullYear());

  const currentSemester = parseInt(Math.ceil(diff / 6)); // 6 = bi-semester

  return currentSemester;
}

// Example usage
const id = "0822220105101022";
const idParts = extractIdParts(id);

console.log(idParts);

const currentDate = new Date(2024, 2, 14); // February 14, 2024
const currentSemester = getCurrentSemester(id, currentDate);
console.log(`Student is currently in semester: ${currentSemester}`);

// generate IDs
const universityCode = "082";
const programCodes = ["05101", "05131", "05081", "04081", "02161", "08131"];

function generateStudentId(semesterCode, admissionYear, programCode, studentNumber) {
  const formattedStudentNumber = studentNumber.toString().padStart(3, "0");
  const hostelCode = "01";
  return `${universityCode}${admissionYear}${semesterCode}${hostelCode}${programCode}${formattedStudentNumber}`;
}

function generateStudentsForSemester(semesterCode, admissionYear) {
  const students = [];

  for (let programCode of programCodes) {
    for (let i = 1; i <= 50; i++) {
      const id = generateStudentId(semesterCode, admissionYear, programCode, i);
      students.push(id);
    }
  }

  return students;
}

const semesters = {
  "Spring 2020": generateStudentsForSemester("1", 20),
  "Fall 2020": generateStudentsForSemester("2", 20),
  "Spring 2022": generateStudentsForSemester("1", 22),
  "Fall 2022": generateStudentsForSemester("2", 22),
  "Spring 2023": generateStudentsForSemester("1", 23),
  "Fall 2023": generateStudentsForSemester("2", 23),
};

console.log(semesters);

/* ------------------------ BANGLA NAME GENERATOR ------------------------ */
function generateBanglaName() {
  // Common Bangla first names (replace with desired names if needed)
  const firstNames = [
    "Akash",
    "Anik",
    "Afrin",
    "Arman",
    "Anika",
    "Anjum",
    "Arifa",
    "Asif",
    "Alisha",
    "Anamika",
    "Bablu",
    "Babul",
    "Bobby",
    "Bindu",
    "Chandni",
    "Chhobi",
    "Chotu",
    "Dipti",
    "Durga",
    "Dalia",
    "Emon",
    "Eva",
    "Farah",
    "Farzana",
    "Farida",
    "Gita",
    "Gulshan",
    "Hasina",
    "Humaira",
    "Imran",
    "Jalal",
    "Jamal",
    "Javed",
    "Johny",
    "Joyita",
    "Kajal",
    "Kamal",
    "Kartik",
    "Khalid",
    "Kiran",
    "Laila",
    "Lucky",
    "Luna",
    "Mamun",
    "Munmun",
    "Muniya",
    "Nasir",
    "Nadira",
    "Neha",
    "Nikhil",
    "Nilufar",
    "Nilanjana",
    "Nirupama",
    "Nirob",
    "Parvathy",
    "Priya",
    "Purnima",
    "Rashid",
    "Rehana",
    "Renuka",
    "Rezwan",
    "Rimi",
    "Rina",
    "Rubina",
    "Rumi",
    "Sabina",
    "Salim",
    "Samia",
    "Sana",
    "Sayem",
    "Shabana",
    "Shahanwaz",
    "Shaima",
    "Shakib",
    "Shamim",
    "Sharika",
    "Shimul",
    "Shraddha",
    "Sohan",
    "Sumaiya",
    "Sumon",
    "Tania",
    "Taslima",
    "Tanvir",
    "Tania",
    "Urmi",
    "Yasmin",
    "Zarina",
  ];

  // Common Bangla last names (replace with desired names if needed)
  const lastNames = [
    "Ahmed",
    "Alam",
    "Ali",
    "Chowdhury",
    "Das",
    "Gupta",
    "Hossain",
    "Islam",
    "Khan",
    "Mondal",
    "Rahman",
    "Sarkar",
    "Sen",
    "Shah",
    "Sheikh",
    "Talukder",
    "Yeasmin",
  ];

  // Randomly select a first name
  const firstName = firstNames[Math.floor(Math.random() * firstNames.length)];

  // Randomly select a last name
  const lastName = lastNames[Math.floor(Math.random() * lastNames.length)];

  // Combine the names with a space
  const fullName = `${firstName} ${lastName}`;

  return fullName;
}

// Generate a Bangla name and log it
console.log(generateBanglaName());

/* ------------------------ RANDOM GRADE GENERATOR ------------------------ */
function getRandomGrade() {
  // Create an array of objects, where each object represents a row in the table.
  const grades = [
    { number: "80% and above", grade: "A+", point: 4.0 },
    { number: "75% to less than 80%", grade: "A", point: 3.75 },
    { number: "70% to less than 75%", grade: "A-", point: 3.5 },
    { number: "65% to less than 70%", grade: "B+", point: 3.25 },
    { number: "60% to less than 65%", grade: "B", point: 3.0 },
    { number: "55% to less than 60%", grade: "B-", point: 2.75 },
    { number: "50% to less than 55%", grade: "C+", point: 2.5 },
    { number: "45% to less than 50%", grade: "C", point: 2.25 },
    { number: "40% to less than 45%", grade: "D", point: 2.0 },
    { number: "<40% Less than 40%", grade: "F", point: 0.0 },
  ];

  // Get a random number between 0 and the length of the grades array (inclusive).
  const randomIndex = Math.floor(Math.random() * grades.length);

  // Return the grade and grade point at the random index.
  return grades[randomIndex];
}

// Example usage:
const randomGrade = getRandomGrade();
console.log(`Random grade: ${randomGrade.grade} (${randomGrade.point})`);

/* ------------------------ RESULT GENERATOR ------------------------ */

const courses = {
  total_bsc_credit: 145,
  semesters: [
    {
      semester_name: "First Semester",
      courses: [
        {
          course_code: "CSE 113",
          course_title: "Discrete Mathematics",
          credit: 3,
        },
        {
          course_code: "CSE 112",
          course_title: "Introduction to Computing Sessional",
          credit: 1.5,
        },
        {
          course_code: "CHEM 111",
          course_title: "Chemistry",
          credit: 3,
        },
        {
          course_code: "CHEM 112",
          course_title: "Chemistry Sessional",
          credit: 1,
        },
        {
          course_code: "ENG 111",
          course_title: "English Reading and Speaking",
          credit: 2,
        },
        {
          course_code: "MATH 111",
          course_title: "MATH I (Differential Calculus, Integral Calculus and Matrix)",
          credit: 3,
        },
        {
          course_code: "EEE 111",
          course_title: "Electrical Circuit Analysis",
          credit: 3,
        },
        {
          course_code: "EEE 112",
          course_title: "Electrical Circuit Analysis Sessional",
          credit: 1.5,
        },
      ],
      total_credit: 18,
    },
    {
      semester_name: "Second Semester",
      courses: [
        {
          course_code: "CSE 121",
          course_title: "Structured Programming Language",
          credit: 3,
        },
        {
          course_code: "CSE 122",
          course_title: "Structured Programming Language Sessional",
          credit: 1.5,
        },
        {
          course_code: "GED 121",
          course_title: "History of the Emergence of Bangladesh",
          credit: 2,
        },
        {
          course_code: "ENG 121",
          course_title: "English Writing and Listening",
          credit: 3,
        },
        {
          course_code: "MATH 121",
          course_title: "MATH II (Vector Analysis, Linear Algebra, Coordinate Geometry and Fourier Analysis)",
          credit: 3,
        },
        {
          course_code: "EEE 121",
          course_title: "Electronic Devices and Circuits",
          credit: 3,
        },
        {
          course_code: "EEE 122",
          course_title: "Electronic Devices and Circuits Sessional",
          credit: 1.5,
        },
        {
          course_code: "PHY 121",
          course_title: "Physics I",
          credit: 3,
        },
        {
          course_code: "PHY 124",
          course_title: "Basic Physics Sessional",
          credit: 1,
        },
      ],
      total_credit: 21,
    },
    {
      semester_name: "Third Semester",
      courses: [
        {
          course_code: "CSE 211",
          course_title: "Data Structures",
          credit: 3,
        },
        {
          course_code: "CSE 212",
          course_title: "Data Structures Sessional",
          credit: 1.5,
        },
        {
          course_code: "CSE 213",
          course_title: "Object Oriented Programming Language",
          credit: 3,
        },
        {
          course_code: "CSE 214",
          course_title: "Object Oriented Programming Language Sessional",
          credit: 1.5,
        },
        {
          course_code: "MATH 211",
          course_title: "MATH III (Differential Equations, Complex Variables and Laplace Transforms)",
          credit: 3,
        },
        {
          course_code: "PHY 211",
          course_title: "Physics II",
          credit: 3,
        },
        {
          course_code: "HUM 211",
          course_title: "Bangla Language",
          credit: 2,
        },
        {
          course_code: "GED 211",
          course_title: "Finance and Investment",
          credit: 3,
        },
      ],
      total_credit: 20,
    },
    {
      semester_name: "Fourth Semester",
      courses: [
        {
          course_code: "CSE 221",
          course_title: "Computer Algorithms and Complexity",
          credit: 3,
        },
        {
          course_code: "CSE 222",
          course_title: "Computer Algorithms and Complexity Sessional",
          credit: 1.5,
        },
        {
          course_code: "CSE 223",
          course_title: "Digital Logic Design",
          credit: 3,
        },
        {
          course_code: "CSE 224",
          course_title: "Digital Logic Design Sessional",
          credit: 1.5,
        },
        {
          course_code: "CSE 225",
          course_title: "Numerical Methods",
          credit: 3,
        },
        {
          course_code: "CSE 226",
          course_title: "Numerical Methods Sessional",
          credit: 1,
        },
        {
          course_code: "MATH 221",
          course_title: "MATH IV (Probability and Statistics)",
          credit: 3,
        },
        {
          course_code: "GED 221",
          course_title: "Engineering Economics",
          credit: 3,
        },
      ],
      total_credit: 19,
    },
    {
      semester_name: "Fifth Semester",
      courses: [
        {
          course_code: "CSE 311",
          course_title: "Operating System",
          credit: 3,
        },
        {
          course_code: "CSE 312",
          course_title: "Operating System Sessional",
          credit: 1,
        },
        {
          course_code: "CSE 313",
          course_title: "Database Management System",
          credit: 3,
        },
        {
          course_code: "CSE 314",
          course_title: "Database Management System Sessional",
          credit: 1.5,
        },
        {
          course_code: "CSE 315",
          course_title: "Computer Architecture and Design",
          credit: 3,
        },
        {
          course_code: "CSE 317",
          course_title: "Software Engineering and Design Patterns",
          credit: 3,
        },
        {
          course_code: "CSE 318",
          course_title: "Software Engineering and Design Patterns Sessional",
          credit: 1,
        },
        {
          course_code: "CSE 319",
          course_title: "Theory of Computation",
          credit: 3,
        },
        {
          course_code: "CE 311",
          course_title: "Engineering Drawing",
          credit: 1,
        },
        {
          course_code: "CE 312",
          course_title: "Engineering Drawing and CAD Sessional",
          credit: 1,
        },
      ],
      total_credit: 20.5,
    },
    {
      semester_name: "Sixth Semester",
      courses: [
        {
          course_code: "CSE 321",
          course_title: "Data Communications",
          credit: 3,
        },
        {
          course_code: "CSE 322",
          course_title: "Data Communications Sessional",
          credit: 1,
        },
        {
          course_code: "CSE 323",
          course_title: "Web Technologies",
          credit: 2,
        },
        {
          course_code: "CSE 324",
          course_title: "Web Technologies Sessional",
          credit: 1.5,
        },
        {
          course_code: "CSE 325",
          course_title: "Microprocessor, Assembly Language and Computer Interfacing",
          credit: 3,
        },
        {
          course_code: "CSE 326",
          course_title: "Microprocessor, Assembly Language and Computer Interfacing Sessional",
          credit: 1.5,
        },
        {
          course_code: "CSE 327",
          course_title: "Computer Networks",
          credit: 3,
        },
        {
          course_code: "CSE 328",
          course_title: "Computer Networks Sessional",
          credit: 1.5,
        },
        {
          course_code: "CSE 301",
          course_title: "Integrated Design Project",
          credit: 2,
        },
        {
          course_code: "CSE 329",
          course_title: "Management Information System",
          credit: 2,
        },
      ],
      total_credit: 20.5,
    },
    {
      semester_name: "Seventh Semester",
      courses: [
        {
          course_code: "CSE 411",
          course_title: "Machine Learning",
          credit: 2,
        },
        {
          course_code: "CSE 412",
          course_title: "Machine Learning Sessional",
          credit: 1,
        },
        {
          course_code: "CSE-413",
          course_title: "Compiler Design and Construction",
          credit: 3,
        },
        {
          course_code: "CSE 414",
          course_title: "Compiler Design and Construction Sessional",
          credit: 1,
        },
        {
          course_code: "CSE 415",
          course_title: "Research Methodology and Complex Engineering Activities",
          credit: 2,
        },
        {
          course_code: "GED 411",
          course_title: "Business Communications",
          credit: 3,
        },
        {
          course_code: "CSE 401",
          course_title: "Capstone Project (Part-1)",
          credit: 2,
        },
      ],
      total_credit: 14,
    },
    {
      semester_name: "Eighth Semester",
      courses: [
        {
          course_code: "CSE 421",
          course_title: "Artificial Intelligence",
          credit: 3,
        },
        {
          course_code: "CSE 422",
          course_title: "Artificial Intelligence Sessional",
          credit: 1,
        },
        {
          course_code: "GED 421",
          course_title: "Sociology for Engineers",
          credit: 2,
        },
        {
          course_code: "GED 423",
          course_title: "Engineering Ethics",
          credit: 2,
        },
        {
          course_code: "CSE 402",
          course_title: "Capstone (Part-2)",
          credit: 4,
        },
      ],
      total_credit: 12,
    },
  ],
};

const results = [];

for (const semesterCode in semesters) {
  const studentIds = semesters[semesterCode];

  const currentDate = new Date(2024, 1, 14); // February 14, 2024

  studentIds.forEach((id) => {
    const currentSemester = courses.semesters[getCurrentSemester(id, currentDate) - 1];
    const currentCourses = currentSemester.courses;

    const result = {
      id: id,
      name: generateBanglaName(),
      semester: semesterCode,
      courses: [],
      dob: "2024-02-22",
    };

    let totalCredit = 0;
    let totalCg = 0;

    currentCourses.forEach((course) => {
      const randomGrade = getRandomGrade();

      course.grade = randomGrade.grade;
      if (randomGrade.point == 0.0) course.status = "FAILED";
      else course.status = "PASSED";

      result.courses.push(course);

      totalCredit += course.credit;
      totalCg += randomGrade.point;
    });

    result.cgpa = (totalCg / currentCourses.length).toFixed(2);
    // if (result.cgpa >= 4) console.log("bipod");

    results.push({
      key: id,
      value: JSON.stringify(result),
      expiration_ttl: 86400,
    });
  });
}

console.log(results.length);

// const fs = require("fs");
// fs.createWriteStream("fake_results.json").write(JSON.stringify(results));

const result = [
  {
    id: "0822210105101022",
    name: "Srejon",
    semester: "FALL 2023",
    cgpa: "3.42",
    courses: [
      {
        course_code: "CSE-211",
        course_title: "Data Structures",
        credit: "3.00",
        grade: "A+",
        status: "PASSED",
      },
      // other courses
    ],
  },
  // other students
];