Kevin FEDYNA
76 lines
2.4 KiB
TypeScript
76 lines
2.4 KiB
TypeScript
// @deno-types="https://cdn.sheetjs.com/xlsx-0.20.3/package/types/index.d.ts"
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import * as XLSX from "https://cdn.sheetjs.com/xlsx-0.20.3/package/xlsx.mjs";
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import { useSignal } from "@preact/signals";
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export default function UploadStudents() {
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const statusMessage = useSignal<string>("");
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const fileData = useSignal<File | null>(null);
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const handleFileChange = (event: Event) => {
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const input = event.target as HTMLInputElement;
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if (input.files && input.files.length > 0) {
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fileData.value = input.files[0];
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statusMessage.value = "File selected: " + input.files[0].name;
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} else {
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fileData.value = null;
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statusMessage.value = "No file selected";
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}
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};
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const confirmUpload = () => {
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if (!fileData.value) {
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statusMessage.value = "Please select a file before confirming upload.";
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return;
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}
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try {
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const reader = new FileReader();
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reader.onload = async (e) => {
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const arrayBuffer = e.target?.result as ArrayBuffer;
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const workbook = XLSX.read(arrayBuffer, { type: "array" });
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for (const sheetName of workbook.SheetNames) {
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const sheet = workbook.Sheets[sheetName];
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const data = XLSX.utils.sheet_to_json(sheet, {
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header: ["Identifiant", "Nom", "Prénom", "Mail"],
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range: 1, // Ignorer les en-têtes
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});
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console.log(`Data from sheet ${sheetName}:`, data);
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const response = await fetch("/students/api/students", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ promoName: sheetName, data }),
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});
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if (!response.ok) {
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throw new Error(`Failed to insert data for promotion ${sheetName}`);
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}
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}
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statusMessage.value = "Data uploaded and inserted successfully!";
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};
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reader.onerror = () => {
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statusMessage.value = "Error reading the file.";
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};
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reader.readAsArrayBuffer(fileData.value);
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} catch (error) {
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console.error("Error uploading file:", error);
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statusMessage.value = "An unexpected error occurred during upload.";
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}
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};
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return (
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<div>
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<h2>Upload Students</h2>
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<input type="file" accept=".xlsx, .xls" onChange={handleFileChange} />
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<button onClick={confirmUpload}>Confirm Upload</button>
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<p>{statusMessage.value}</p>
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</div>
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);
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}
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