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const query = new URL(window.location.href).searchParams;
const type = query.get("type");
const qid = query.get("qid") || 0;
let method = "POST";
const dropdown = document.getElementById("answer");
const question_input = document.getElementById("question");
const question_label = document.getElementById("question_label");
const submit = document.getElementById("submit-btn");
const prev = document.getElementById("prev-btn");
const skip = document.getElementById("skip-btn");
const progress = document.getElementById("progress");
if (!["teacher", "pupil"].includes(type)) window.location.href = "/";
dropdown.insertAdjacentHTML(
"beforeend",
'<option value="" selected disabled>' + (type === "teacher" ? "Lehrer" : "Schüler") + "/in auswählen...</option>",
);
document.querySelector("legend").innerText = type === "teacher" ? "Lehrer-Ranking" : "Schüler-Ranking";
document.querySelector("p").innerText = "Welche/r " + (type === "teacher" ? "Lehrer/in" : "Schüler/in") + "...";
skip.addEventListener("click", () => getNext(parseInt(qid) + 1));
prev.addEventListener("click", () => getNext(parseInt(qid) - 1));
if (qid == 0) {
prev.style.display = "none";
skip.style.width = "100%";
}
function appendOption(response) {
response.forEach((elem) => {
dropdown.insertAdjacentHTML(
"beforeend",
`<option value="${elem["id"]}">${elem["name"]} ${elem["middlename"] ? elem["middlename"] + " " : ""}${
elem["surname"]
}</option>`,
);
});
}
fetch("/auth/api/list" + (type === "teacher" ? "?class=teacher" : ""))
.then((response) => response.json())
.then((response) => appendOption(response))
.then(() => {
fetch(`/poll/api/question/${qid}?type=${type}`)
.then((response) => response.json())
.then((response) => {
if (!response.empty()) {
question_label.innerText = response["question"];
question_input.setAttribute("value", response["id"]);
if (response.answer) {
for (const c of dropdown.children) if (+c.value === response.answer) c.selected = true;
method = "PUT";
}
submit.addEventListener("click", async () => {
await request();
getNext(parseInt(qid) + 1);
if (method === "POST") method = "PUT";
});
} else getNext(); // Resets
});
});
fetch(`api/questions/${type}`)
.then((response) => response.json())
.then((response) => {
for (const elem of response) {
progress.insertAdjacentHTML(
"beforeend",
`<div data-current="${elem.id == qid}" data-answered="${elem.answered}">${elem.id + 1}</div>`,
);
}
})
.then(() => {
document.querySelectorAll("div.bar div").forEach((elem) => {
elem.addEventListener("click", () => {
getNext(+elem.innerText - 1);
});
});
});
function getNext(q = 0) {
window.location.assign(`/poll/?qid=${q}&type=${type}`);
}
async function request() {
const body = JSON.stringify({
question: question_input.value,
answer: dropdown.value,
});
const resp = await fetch(`api/answer/${type}`, {
method,
headers: { "Content-Type": "application/json" },
body,
});
return resp.json();
}
// I did this myself lel
Object.prototype.empty = function () {
return Object.keys(this).length === 0;
};
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