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letu/public/javascripts/marks-teacher.js

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2021-01-20 17:14:33 +01:00
const group = document.getElementById("group");
const evaluation = document.getElementById("evaluation");
const marksform = document.getElementById("marksform");
const markstable = document.getElementById("markstable").querySelector("tbody");
const studentTemplate = document.getElementById("studentTemplate");
let evaluations = {};
let students = [];
group.addEventListener("change", () => socket.emit("evaluationGet"));
socket.on("evaluationGet", evals => {
evaluations = {};
evaluation.innerHTML = "<option selected disabled></option>";
for (let ev of evals) {
if (!document.getElementById("UE"+ev.UE.id)) {
evaluation.insertAdjacentHTML("beforeend", `<optgroup id="UE${ev.UE.id}" label="${ev.UE.name}"></optgroup>`)
}
document.getElementById("UE"+ev.UE.id).insertAdjacentHTML("beforeend", `<option value="${ev.id}">${ev.name}</option>`);
evaluations[ev.id] = ev;
}
M.FormSelect.init(evaluation);
});
evaluation.addEventListener("change", () => {
marksform.querySelector(".evaluationName").innerHTML = evaluations[evaluation.value].UE.name + " - " + evaluations[evaluation.value].name;
socket.emit("studentGet", group.value);
});
socket.on("studentGet", sts => {
markstable.querySelectorAll("tr:not(.studentTemplate)").forEach(el => el.remove());
for (let st of sts) {
let el = studentTemplate.cloneNode(true);
el.style = "";
el.id = "Student"+st.email;
el.querySelector(".studentName").innerHTML = st.firstName + " " + st.lastName;
let gs = el.querySelector(".gradeScore");
gs.name = "score"+st.email;
let g = evaluations[evaluation.value].Grades.find(s => s.StudentGradeEmail === st.email);
if (g)
gs.value = g.score;
students.push(st);
markstable.insertAdjacentElement("beforeend", el);
}
});
marksform.addEventListener("submit", e => {
e.preventDefault();
let grds = {};
for (let e of new FormData(marksform))
grds[e[0].replace(/^score/i, "")] = e[1];
socket.emit("gradeSet", {evaluation: evaluations[evaluation.value].id, grades: grds});
});