SoftUni Students JS

PowerCell46

Mar 20th, 2023

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function softUniStudents(array) {
let objOfCourses = {}
let objOfCoursesWithCapacities = {}
for (let index in array) {
let currentInput = array[index].split(" ");
if (currentInput[0][currentInput[0].length - 1] === ":") {
let currentCourse = currentInput[0].split("");
currentCourse.pop();
currentCourse = currentCourse.join("");
let currentCourseCapacity = Number(currentInput[1]);
if (!objOfCourses.hasOwnProperty(currentCourse)) {
objOfCourses[currentCourse] = {}
objOfCoursesWithCapacities[currentCourse] = currentCourseCapacity;
} else {
objOfCoursesWithCapacities[currentCourse] = (objOfCoursesWithCapacities[currentCourse] + currentCourseCapacity);
}
} else {
let currentUsername = currentInput[0].split("");
currentUsername.pop();
currentUsername = currentUsername.join("");
currentUsername = currentUsername.split("[");
let currentUsernameCredits = Number(currentUsername.pop());
currentUsername = currentUsername[0];
let currentEmail = currentInput[3];
let currentCourseName = currentInput[5];
let arrayOfCourses = Object.keys(objOfCourses);
if (arrayOfCourses.includes(currentCourseName) && objOfCoursesWithCapacities[currentCourseName] > 0) {
objOfCoursesWithCapacities[currentCourseName] = objOfCoursesWithCapacities[currentCourseName] - 1;
objOfCourses[currentCourseName][currentUsernameCredits] = {}
objOfCourses[currentCourseName][currentUsernameCredits][currentUsername] = {}
objOfCourses[currentCourseName][currentUsernameCredits][currentUsername] = currentEmail;
}
}
}
let objCourseToStudentsRatio = {}
let arrayOfCourses = Object.keys(objOfCourses);
for (let course of arrayOfCourses) {
let currentNumberOfStudents = Object.values(objOfCourses[course]).length;
objCourseToStudentsRatio[course] = currentNumberOfStudents;
}
let arrayOfNumberOfStudentsOrdered = Object.values(objCourseToStudentsRatio).sort((a, b) => b - a);
for (let numberOfStudents of arrayOfNumberOfStudentsOrdered) {
for (let course of Object.keys(objCourseToStudentsRatio)) {
if (numberOfStudents === objCourseToStudentsRatio[course]) {
console.log(`${course}: ${objOfCoursesWithCapacities[course]} places left`);
delete objCourseToStudentsRatio[course];
let arrayOfCreditsOfTheCurrentCourse = Object.keys(objOfCourses[course]);
let arrayOfCreditsOfTheCurrentCourseOrdered = arrayOfCreditsOfTheCurrentCourse.map((x) => Number(x)).sort((a,b) => b - a);
for (let currentCredits of arrayOfCreditsOfTheCurrentCourseOrdered) {
let currentUsername = Object.keys(objOfCourses[course][currentCredits])[0];
let currentEmail = Object.values(objOfCourses[course][currentCredits])[0];
console.log(`--- ${currentCredits}: ${currentUsername}, ${currentEmail}`);
}
}
}
}
}

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