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/** @format */
"use strict";
const RagUpload = {
open() {
const htmlContent = `
<div class="window-text">
<div class="btn-wrapper">
<button class="btn-close" title="chiudi" onclick="UaWindowAdm.closeThis(this)">X</button>
</div>
<div class="upload">
<h4>Upload file Text / PDF / DOCX</h4>
<form id="uploadForm">
<input class="file" type="file" id="id_fileupload" >
<button type="button" onclick="RagUpload.upload();">Upload and Convert</button>
</form>
<div id="result" class="result"></div>
</div>
</div>
`;
const uploadWindow = UaWindowAdm.create("id_upload");
uploadWindow.drag();
uploadWindow.setZ(12);
uploadWindow.vw_vh().setXY(16.5, 10, -1);
uploadWindow.setHtml(htmlContent);
uploadWindow.show();
},
async upload() {
const fileInput = document.getElementById("id_fileupload");
const file = fileInput.files[0];
if (!file) {
alert("Nessun file selezionato.");
return;
}
const fileName = file.name;
const exist = DataMgr.doc_names.includes(fileName);
if (exist) {
alert("Il file è già in archivio");
return;
}
const result = document.getElementById("result");
const fileExtension = file.name.split(".").pop().toLowerCase();
showSpinner();
try {
let text;
if (fileExtension === "pdf") {
const pdfHandler = new PdfHandler();
await pdfHandler.loadPdfJs();
text = await pdfHandler.extractTextFromPDF(file);
pdfHandler.cleanup();
} else if (fileExtension === "txt") {
text = await readTextFile(file);
} else if (fileExtension === "docx") {
const docxHandler = new DocxHandler();
await docxHandler.loadMammoth();
text = await docxHandler.extractTextFromDocx(file);
docxHandler.cleanup();
} else {
alert("Formato file non supportato.");
return;
}
DataMgr.addDoc(fileName, text);
const msg = `<br><br> ${fileName}<br><br>caricato e salvato nella memoria locale`;
result.innerHTML = msg;
} catch (error) {
consoe.error("Error:", error);
alert("Errore durante l'estrazione del testo dal file.");
} finally {
hideSpinner();
}
},
openDir() {
const htmlContent = `
<div class="window-text">
<div class="btn-wrapper">
<button class="btn-close" title="chiudi" onclick="UaWindowAdm.closeThis(this)">X</button>
</div>
<div class="upload">
<h4>Upload files Text / PDF / DOCX</h4>
<form id="uploadForm">
<input id="id_fileupload" class="file" type="file" webkitdirectory mozdirectory msdirectory odirectory directory multiple />
<button type="button" onclick="RagUpload.uploadDir();">Upload and Convert</button>
</form>
<div class="result" id="result"></div>
</div>
</div>
`;
const uploadWindow = UaWindowAdm.create("id_upload");
uploadWindow.drag();
uploadWindow.setZ(12);
uploadWindow.vw_vh().setXY(16.5, 10, -1);
uploadWindow.setHtml(htmlContent);
uploadWindow.show();
},
async uploadDir() {
const fileInput = document.getElementById("id_fileupload");
const files = fileInput.files;
if (!files || files.length == 0) {
alert("Nessun file selezionato.");
return;
}
const msgs = [];
showSpinner();
try {
for (const file of files) {
const fileName = file.name;
UaLog.log_show(fileName);
const exist = DataMgr.doc_names.includes(fileName);
if (exist) {
UaLog.log_show(fileName + " : è già in archivio");
continue;
}
const fileExtension = file.name.split(".").pop().toLowerCase();
let text;
if (fileExtension === "pdf") {
const pdfHandler = new PdfHandler();
await pdfHandler.loadPdfJs();
text = await pdfHandler.extractTextFromPDF(file);
pdfHandler.cleanup();
} else if (fileExtension === "txt") {
text = await readTextFile(file);
} else if (fileExtension === "docx") {
const docxHandler = new DocxHandler();
await docxHandler.loadMammoth();
text = await docxHandler.extractTextFromDocx(file);
docxHandler.cleanup();
} else {
alert("Formato file non supportato.");
return;
}
DataMgr.addDoc(fileName, text);
const msg = `${fileName}`;
msgs.push(msg);
}
} catch (error) {
consoe.error("Error:", error);
alert("Errore durante l'estrazione del testo dal file.");
} finally {
hideSpinner();
}
const result = document.getElementById("result");
const msg = msgs.join("<br>");
result.innerHTML = msg;
},
};
class PdfHandler {
constructor() {
this.pdfjsLib = null;
this.scriptElement = null;
this.workerScriptElement = null;
}
async loadPdfJs() {
if (window["pdfjsLib"]) {
this.pdfjsLib = window["pdfjs-dist/build/pdf"];
this.pdfjsLib.GlobalWorkerOptions.workerSrc = "https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.6.347/pdf.worker.min.js";
return;
}
// Carica pdf.js dinamicamente
this.scriptElement = document.createElement("script");
this.scriptElement.src = "https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.6.347/pdf.min.js";
document.body.appendChild(this.scriptElement);
// Aspetta che il worker sia caricato
await new Promise((resolve) => {
this.scriptElement.onload = () => {
this.workerScriptElement = document.createElement("script");
this.workerScriptElement.src = "https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.6.347/pdf.worker.min.js";
document.body.appendChild(this.workerScriptElement);
this.workerScriptElement.onload = resolve;
};
});
this.pdfjsLib = window["pdfjs-dist/build/pdf"];
this.pdfjsLib.GlobalWorkerOptions.workerSrc = "https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.6.347/pdf.worker.min.js";
}
async extractTextFromPDF(file) {
const arrayBuffer = await file.arrayBuffer();
const pdf = await this.pdfjsLib.getDocument({ data: arrayBuffer }).promise;
let text = "";
for (let i = 1; i <= pdf.numPages; i++) {
const page = await pdf.getPage(i);
const textContent = await page.getTextContent();
const pageText = textContent.items.map((item) => item.str).join(" ");
text += pageText + "\n";
}
return text;
}
cleanup() {
if (this.scriptElement) {
document.body.removeChild(this.scriptElement);
this.scriptElement = null;
}
if (this.workerScriptElement) {
document.body.removeChild(this.workerScriptElement);
this.workerScriptElement = null;
}
this.pdfjsLib = null;
if (window.gc) {
window.gc();
}
}
}
class DocxHandler {
constructor() {
this.mammoth = null;
this.scriptElement = null;
}
async loadMammoth() {
if (window["mammoth"]) {
this.mammoth = window["mammoth"];
return;
}
// Carica mammoth dinamicamente
this.scriptElement = document.createElement("script");
this.scriptElement.src = "https://cdnjs.cloudflare.com/ajax/libs/mammoth/1.4.11/mammoth.browser.min.js";
document.body.appendChild(this.scriptElement);
// Aspetta che mammoth sia caricato
await new Promise((resolve) => {
this.scriptElement.onload = () => {
this.mammoth = window["mammoth"];
resolve();
};
});
}
async extractTextFromDocx(file) {
const arrayBuffer = await file.arrayBuffer();
const result = await this.mammoth.extractRawText({ arrayBuffer });
return result.value;
}
cleanup() {
if (this.scriptElement) {
document.body.removeChild(this.scriptElement);
this.scriptElement = null;
}
this.mammoth = null;
if (window.gc) {
window.gc();
}
}
}
async function readTextFile(file) {
if (!file || file.type !== "text/plain") {
throw new Error("Invalid file type. Please select a text file.");
}
return new Promise((resolve, reject) => {
const reader = new FileReader();
reader.onload = (event) => resolve(event.target.result);
reader.onerror = (error) => reject(new Error("Error reading file: " + error.message));
reader.readAsText(file);
});
}
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