Files
PolyMPR/routes/(apps)/mobility/(_islands)/UploadStudents.tsx
T
2025-01-17 15:37:27 +01:00

75 lines
2.5 KiB
TypeScript

// @deno-types="https://cdn.sheetjs.com/xlsx-0.20.3/package/types/index.d.ts"
import * as XLSX from "https://cdn.sheetjs.com/xlsx-0.20.3/package/xlsx.mjs";
import { useSignal } from "@preact/signals";
import insertIntoMobility from "../../../../databases/mobility.ts";
export default function UploadStudents() {
const statusMessage = useSignal<string>("");
const fileData = useSignal<File | null>(null);
const handleFileChange = (event: Event) => {
const input = event.target as HTMLInputElement;
if (input.files && input.files.length > 0) {
fileData.value = input.files[0];
statusMessage.value = "File selected: " + input.files[0].name;
} else {
fileData.value = null;
statusMessage.value = "No file selected";
}
};
const handleUpload = async () => {
if (!fileData.value) {
statusMessage.value = "Please select a file before confirming upload.";
return;
}
try {
const reader = new FileReader();
reader.onload = async (e) => {
try {
const arrayBuffer = e.target?.result as ArrayBuffer;
const workbook = XLSX.read(arrayBuffer, { type: "array" });
for (const sheetName of workbook.SheetNames) {
const sheet = workbook.Sheets[sheetName];
const data = XLSX.utils.sheet_to_json(sheet, {
header: ["firstName", "lastName", "email"],
range: 1, // Ignorer les en-têtes
});
console.log(`Data from sheet ${sheetName}:`, data);
// Insérer les données dans la base de données
await insertIntoMobility(data as Array<{ firstName: string; lastName: string; email: string }>, sheetName);
}
statusMessage.value = "File uploaded and data inserted successfully!";
} catch (error) {
console.error("Error reading or inserting file:", error);
statusMessage.value = "Error processing the file. Please check its format.";
}
};
reader.onerror = (e) => {
console.error("FileReader error:", e);
statusMessage.value = "Error reading the file.";
};
reader.readAsArrayBuffer(fileData.value);
} catch (error) {
console.error("Error uploading file:", error);
statusMessage.value = "An unexpected error occurred during upload.";
}
};
return (
<div>
<h2>Upload Students</h2>
<input type="file" accept=".xlsx, .xls" onChange={handleFileChange} />
<button onClick={handleUpload}>Confirm Upload</button>
<p>{statusMessage.value}</p>
</div>
);
}