submit grades to Google Classroom

submit-grades.js

// ew vars but otherwise not easy to copy paste to console while changing
var resultsListElement="DC55n"
var nameDiv="YVvGBb"
var gradeSpan="cL8LOd" // [0]
// declare const students, csv string
function main() {
  const marks = parseCsv(studentsCSV)
  const results = getStudents()
    .filter(needsChecking)
    .map(e => createResult(e, marks))
  // cant use for of, map because need to break on first occurence
  // this is technically submitNextGrade
  for (let i = 0; i < results.length; i++) {
    if (submitGrade(results[i])) {
      i  = results.len
    }
  }
//  executeAtInterval(results, 
  //                  (results, index) => submitGrade(results[index]))
}

function createResult(element, results) {
  const name = getStudentName(element)
  const grade = getGrade(results, name)
  return {
    "element": element,
    "grade": grade
  }
}

function getNthElement(element, className, index) {
  return Array.from(element.getElementsByClassName(className))[index]
}
function getFirstElement(element, className) {
  return getNthElement(element, className, 0)
}

function submitGrade(resultsObject) {
  const elem = resultsObject.element
  const grade = resultsObject.grade
  const gradeElem = getNthElement(elem, gradeSpan, 0)
  if (gradeElem) gradeElem.click()
  const inputElem = getFirstElement(elem, "whsOnd zHQkBf")
  if (inputElem) {
    inputElem.value = grade
    return true
  }
//  getFirstElement(elem, "uHMk6b fsHoPb").click()
}

function needsChecking(studentElem) {
  const lateDiv = getFirstElement(studentElem, "ppMo6b YVvGBb")
  const missingDiv = getFirstElement(studentElem, "YVvGBb lYU7F foVBo")
  const draftDiv = getFirstElement(studentElem, "ppMo6b w3SmKe YVvGBb")
   return lateDiv.innerHTML!="Done late" && !missingDiv && !draftDiv
  }

function getStudents() {
  return Array.from(document.getElementsByClassName(resultsListElement))
}

function getStudentName(element) {
  const nameElement=Array.from(element.getElementsByClassName(nameDiv))[0]
  return nameElement.innerHTML.toLowerCase()
}

function parseCsv(resultsCSV) {
  const lines = resultsCSV.split("\n")
  return lines
    .map(createStudentObject)
}

function createStudentObject(line) {
  const array = line.split(",")
  return {
    "id": array[0].toLowerCase(),
    "grade": array[1]
  }
}

function getGrade(results, name) {
  let result = results.find(e => isName(e, name, 0, 1))
  if (!result)
    result = results.find(e => isName(e, name, 1, 0))
  if (result)
    return result.grade
  else {
    console.log(name, " no grade found")
    return null
  }
}

function isName(e, name, nameIndex, surnameIndex) {
  const arr = name.split(" ")
  if (arr.length < 2)  return false
  const firstname = arr[nameIndex]
  const surname = arr[surnameIndex]
  const surnamePrefix = e => e.id.includes(surname.substr(0,3))
  return e.id[0] == firstname[0] && surnamePrefix(e)
}
main()
main()