function refreshTimeTable()

in technology/kotlin-quarkus/src/main/resources/META-INF/resources/app.js [4:122]
111 lines of code
5 McCabe index (conditional complexity)

function refreshTimeTable() {
  $.getJSON("/timeTable", function (timeTable) {
    refreshSolvingButtons(timeTable.solverStatus != null && timeTable.solverStatus !== "NOT_SOLVING");
    $("#score").text("Score: " + (timeTable.score == null ? "?" : timeTable.score));

    const timeTableByRoom = $("#timeTableByRoom");
    timeTableByRoom.children().remove();
    const timeTableByTeacher = $("#timeTableByTeacher");
    timeTableByTeacher.children().remove();
    const timeTableByStudentGroup = $("#timeTableByStudentGroup");
    timeTableByStudentGroup.children().remove();
    const unassignedLessons = $("#unassignedLessons");
    unassignedLessons.children().remove();

    const theadByRoom = $("<thead>").appendTo(timeTableByRoom);
    const headerRowByRoom = $("<tr>").appendTo(theadByRoom);
    headerRowByRoom.append($("<th>Timeslot</th>"));
    $.each(timeTable.roomList, (index, room) => {
      headerRowByRoom
        .append($("<th/>")
          .append($("<span/>").text(room.name))
          .append($(`<button type="button" class="ml-2 mb-1 btn btn-light btn-sm p-1"/>`)
            .append($(`<small class="fas fa-trash"/>`)
            ).click(() => deleteRoom(room))));
    });
    const theadByTeacher = $("<thead>").appendTo(timeTableByTeacher);
    const headerRowByTeacher = $("<tr>").appendTo(theadByTeacher);
    headerRowByTeacher.append($("<th>Timeslot</th>"));
    const teacherList = [...new Set(timeTable.lessonList.map(lesson => lesson.teacher))];
    $.each(teacherList, (index, teacher) => {
      headerRowByTeacher
        .append($("<th/>")
          .append($("<span/>").text(teacher)));
    });
    const theadByStudentGroup = $("<thead>").appendTo(timeTableByStudentGroup);
    const headerRowByStudentGroup = $("<tr>").appendTo(theadByStudentGroup);
    headerRowByStudentGroup.append($("<th>Timeslot</th>"));
    const studentGroupList = [...new Set(timeTable.lessonList.map(lesson => lesson.studentGroup))];
    $.each(studentGroupList, (index, studentGroup) => {
      headerRowByStudentGroup
        .append($("<th/>")
          .append($("<span/>").text(studentGroup)));
    });

    const tbodyByRoom = $("<tbody>").appendTo(timeTableByRoom);
    const tbodyByTeacher = $("<tbody>").appendTo(timeTableByTeacher);
    const tbodyByStudentGroup = $("<tbody>").appendTo(timeTableByStudentGroup);

    const LocalTime = JSJoda.LocalTime;

    $.each(timeTable.timeslotList, (index, timeslot) => {
      const rowByRoom = $("<tr>").appendTo(tbodyByRoom);
      rowByRoom
        .append($(`<th class="align-middle"/>`)
          .append($("<span/>").text(`
                    ${timeslot.dayOfWeek.charAt(0) + timeslot.dayOfWeek.slice(1).toLowerCase()}
                    ${LocalTime.parse(timeslot.startTime).format(dateTimeFormatter)}
                    -
                    ${LocalTime.parse(timeslot.endTime).format(dateTimeFormatter)}
                `)
            .append($(`<button type="button" class="ml-2 mb-1 btn btn-light btn-sm p-1"/>`)
              .append($(`<small class="fas fa-trash"/>`)
              ).click(() => deleteTimeslot(timeslot)))));
      $.each(timeTable.roomList, (index, room) => {
        rowByRoom.append($("<td/>").prop("id", `timeslot${timeslot.id}room${room.id}`));
      });

      const rowByTeacher = $("<tr>").appendTo(tbodyByTeacher);
      rowByTeacher
        .append($(`<th class="align-middle"/>`)
          .append($("<span/>").text(`
                    ${timeslot.dayOfWeek.charAt(0) + timeslot.dayOfWeek.slice(1).toLowerCase()}
                    ${LocalTime.parse(timeslot.startTime).format(dateTimeFormatter)}
                    -
                    ${LocalTime.parse(timeslot.endTime).format(dateTimeFormatter)}
                `)));
      $.each(teacherList, (index, teacher) => {
        rowByTeacher.append($("<td/>").prop("id", `timeslot${timeslot.id}teacher${convertToId(teacher)}`));
      });

      const rowByStudentGroup = $("<tr>").appendTo(tbodyByStudentGroup);
      rowByStudentGroup
        .append($(`<th class="align-middle"/>`)
          .append($("<span/>").text(`
                    ${timeslot.dayOfWeek.charAt(0) + timeslot.dayOfWeek.slice(1).toLowerCase()}
                    ${LocalTime.parse(timeslot.startTime).format(dateTimeFormatter)}
                    -
                    ${LocalTime.parse(timeslot.endTime).format(dateTimeFormatter)}
                `)));
      $.each(studentGroupList, (index, studentGroup) => {
        rowByStudentGroup.append($("<td/>").prop("id", `timeslot${timeslot.id}studentGroup${convertToId(studentGroup)}`));
      });
    });

    $.each(timeTable.lessonList, (index, lesson) => {
      const color = pickColor(lesson.subject);
      const lessonElementWithoutDelete = $(`<div class="card" style="background-color: ${color}"/>`)
        .append($(`<div class="card-body p-2"/>`)
          .append($(`<h5 class="card-title mb-1"/>`).text(lesson.subject))
          .append($(`<p class="card-text ml-2 mb-1"/>`)
            .append($(`<em/>`).text(`by ${lesson.teacher}`)))
          .append($(`<small class="ml-2 mt-1 card-text text-muted align-bottom float-right"/>`).text(lesson.id))
          .append($(`<p class="card-text ml-2"/>`).text(lesson.studentGroup)));
      const lessonElement = lessonElementWithoutDelete.clone();
      lessonElement.find(".card-body").prepend(
        $(`<button type="button" class="ml-2 btn btn-light btn-sm p-1 float-right"/>`)
          .append($(`<small class="fas fa-trash"/>`)
          ).click(() => deleteLesson(lesson))
      );
      if (lesson.timeslot == null || lesson.room == null) {
        unassignedLessons.append(lessonElement);
      } else {
        $(`#timeslot${lesson.timeslot.id}room${lesson.room.id}`).append(lessonElement);
        $(`#timeslot${lesson.timeslot.id}teacher${convertToId(lesson.teacher)}`).append(lessonElementWithoutDelete.clone());
        $(`#timeslot${lesson.timeslot.id}studentGroup${convertToId(lesson.studentGroup)}`).append(lessonElementWithoutDelete.clone());
      }
    });
  });
}