79 lines
2.3 KiB
JavaScript
79 lines
2.3 KiB
JavaScript
const API_URL = "/api/attendance";
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const form = document.getElementById("attendance-form");
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const nameInput = document.getElementById("student-name");
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const timeInput = document.getElementById("arrival-time");
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const body = document.getElementById("attendance-body");
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const emptyState = document.getElementById("empty-state");
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const message = document.getElementById("message");
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const refreshBtn = document.getElementById("refresh-btn");
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function setDefaultTime() {
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const now = new Date();
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timeInput.value = now.toTimeString().slice(0, 5);
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}
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function showMessage(text) {
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message.textContent = text;
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setTimeout(() => { message.textContent = ""; }, 2500);
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}
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async function loadAttendance() {
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const response = await fetch(API_URL);
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const entries = await response.json();
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body.innerHTML = "";
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emptyState.classList.toggle("hidden", entries.length !== 0);
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entries.forEach((entry, index) => {
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const row = document.createElement("tr");
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row.innerHTML = `
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<td>${index + 1}</td>
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<td><strong>${escapeHtml(entry.student_name)}</strong></td>
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<td>${entry.arrival_time.slice(0, 5)}</td>
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<td>${new Date(entry.created_at).toLocaleString()}</td>
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<td><button class="danger" data-id="${entry.id}">Delete</button></td>
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`;
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body.appendChild(row);
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});
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}
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function escapeHtml(value) {
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return String(value).replace(/[&<>'"]/g, char => ({
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"&": "&", "<": "<", ">": ">", "'": "'", '"': """
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}[char]));
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}
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form.addEventListener("submit", async (event) => {
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event.preventDefault();
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const student_name = nameInput.value.trim();
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const arrival_time = timeInput.value;
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if (!student_name || !arrival_time) return;
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const response = await fetch(API_URL, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ student_name, arrival_time })
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});
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if (!response.ok) {
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showMessage("Could not add student.");
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return;
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}
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form.reset();
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setDefaultTime();
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showMessage("Student added successfully.");
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loadAttendance();
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});
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body.addEventListener("click", async (event) => {
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if (!event.target.matches("button[data-id]")) return;
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const id = event.target.dataset.id;
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await fetch(`${API_URL}/${id}`, { method: "DELETE" });
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showMessage("Entry deleted.");
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loadAttendance();
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});
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refreshBtn.addEventListener("click", loadAttendance);
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setDefaultTime();
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loadAttendance();
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