PAS UEM NOTA

README.md

Baseado em Composição e Valoração das Provas.

calculate.js

'use strict';

const isPower2 = function (n) {   
  while (true) {
    n = n/2;
        
    if (n < 1) {
      return n == 0.5 ? true : false;
    }
  }
};

const getPower2Numbers = function (n) {
  if (isPower2(n)) {
    return [n];
  }
    
  let p = [],
    k = true,
    off = 0,
    bigger = 0;
    
  while (k) {
    n--;
    off++;

    if (isPower2(n)) {
      bigger = n;
      p = getPower2Numbers(n);
    }
        
    if (bigger !== 0) {
      if (isPower2(off)) {
        k = false;
        p.push(off);
      } else {
        p = p.concat(getPower2Numbers(off));
      }
    }
  }
    
  return p;
};

Array.prototype.contains = function (value) {
    for (let k = 0, len = this.length; k < len; k++) {
    if (this[k] == value) return true;
  }
};

Array.prototype.isEqual = function (arr) {
    if (arr.length != this.length || !(arr instanceof Array)) return false;
  
  for (let k = 0, len = this.length; k < len; k++) {
    if (this[k] instanceof Array && arr[k] instanceof Array) {
        if (!this[k].isEqual(arr[k])) return false;
    } else {
        if (arr[k] !== this[k]) return false;
    }
  }
  
  return true;
}
  
const calculatePasUemGrade = function (myResults, correctResults) {
  let grade = 0;

  for (let k = 0, len = correctResults.length; k < len; k++) {
    let correctOnes = getPower2Numbers(correctResults[k]),
      my = getPower2Numbers(myResults[k]),
      questionGrade = 0,
      end = false,
      value = 6/correctOnes.length;
      
    if (correctOnes.isEqual(my)) {
      questionNote += 6;
    } else {
      for (let i = 0, _len = my.length; i < _len; i++) {
        if (!correctOnes.contains(my[i])) {
          questionGrade = 0;
          end = true;
        }
      }
        
      if (!end) {
        for (let i = 0, _len = correctOnes.length; i < _len; i++) {
          if (my.contains(correctOnes[i])) {
            questionGrade += value;
          }
        }
      }
    }
    
    grade += questionGrade;
  }
  
  return grade;
};

usage.js

const myQuestionsValues = [30, 10, 4],
  uemQuestionsValues = [30, 8, 1],
  myGrade = calculatePasUemGrade(myQuestionsValues, uemQuestionsValues);
  
console.log('NOTA: ' + myGrade);