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- generazione della raccolta PDF OK !!!

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Surya Paolo
2025-05-30 16:45:01 +02:00
parent f0c25366db
commit 3d6455f23c
6 changed files with 1653 additions and 1528 deletions
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127
src/server/router/admin_router.js
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@@ -239,13 +239,13 @@ async function compressPdfWithPs2Pdf(inputFile, outputFile, compression = 'ebook
// DIAGNOSI COMPLETA DEL PROBLEMA
async function diagnosePDFProblem() {
console.log('=== DIAGNOSI COMPLETA SISTEMA ===');
// 1. Test ambiente Node.js
console.log('Node.js version:', process.version);
console.log('Platform:', process.platform);
console.log('Architecture:', process.arch);
console.log('Current working directory:', process.cwd());
// 2. Test moduli disponibili
try {
console.log('Testing gs module...');
@@ -253,12 +253,12 @@ async function diagnosePDFProblem() {
} catch (error) {
console.log('gs module error:', error.message);
}
// 3. Test comando di sistema
const { exec } = require('child_process');
const util = require('util');
const execAsync = util.promisify(exec);
try {
console.log('Testing gs command from system...');
const { stdout, stderr } = await execAsync('gs -version');
@@ -267,12 +267,12 @@ async function diagnosePDFProblem() {
} catch (error) {
console.log('System gs command failed:', error.message);
}
// 4. Test scrittura file
const fs = require('fs').promises;
const path = require('path');
const testFile = path.join(process.cwd(), 'test_write.txt');
try {
await fs.writeFile(testFile, 'test content');
console.log('File write test: SUCCESS');
@@ -282,19 +282,18 @@ async function diagnosePDFProblem() {
}
}
// ALTERNATIVA 1: Usando child_process direttamente
async function convertPDF_ChildProcess(inputFile, outputFile, width, height, compressionLevel = 'screen') {
const { spawn } = require('child_process');
const path = require('path');
console.log('=== CONVERSIONE CON CHILD_PROCESS E COMPRESSIONE ===');
// Verifica input
if (!(await tools.isFileExistsAsync(inputFile))) {
throw new Error(`File input non trovato: ${inputFile}`);
}
// Assicurati che la directory output esista
const outputDir = path.dirname(outputFile);
const fs = require('fs').promises;
@@ -303,44 +302,40 @@ async function convertPDF_ChildProcess(inputFile, outputFile, width, height, com
} catch (error) {
// Directory già esistente, ok
}
// const widthPt = Math.round(width * 28.34646);
// const heightPt = Math.round(height * 28.34646);
const widthPt = Math.round(width * 28.34646* 10);
const widthPt = Math.round(width * 28.34646 * 10);
const heightPt = Math.round(height * 28.34646 * 10);
// Parametri di compressione ottimizzati
const compressionSettings = {
'maximum': [
maximum: [
'-dPDFSETTINGS=/screen',
'-dDownsampleColorImages=true',
'-dColorImageResolution=72',
'-dDownsampleGrayImages=true',
'-dDownsampleGrayImages=true',
'-dGrayImageResolution=72',
'-dDownsampleMonoImages=true',
'-dMonoImageResolution=72'
'-dMonoImageResolution=72',
],
'high': [
high: [
'-dPDFSETTINGS=/ebook',
'-dDownsampleColorImages=true',
'-dColorImageResolution=150',
'-dDownsampleGrayImages=true',
'-dGrayImageResolution=150'
'-dGrayImageResolution=150',
],
'printer': [
'-dPDFSETTINGS=/printer',
'-dDownsampleColorImages=true',
'-dColorImageResolution=300'
],
'screen': [
printer: ['-dPDFSETTINGS=/printer', '-dDownsampleColorImages=true', '-dColorImageResolution=300'],
screen: [
'-dPDFSETTINGS=/screen',
'-dDownsampleColorImages=true',
'-dColorImageResolution=96',
'-dDownsampleGrayImages=true',
'-dGrayImageResolution=96'
]
'-dGrayImageResolution=96',
],
};
return new Promise((resolve, reject) => {
const args = [
'-sDEVICE=pdfwrite',
@@ -349,52 +344,53 @@ async function convertPDF_ChildProcess(inputFile, outputFile, width, height, com
'-dQUIET',
'-dBATCH',
'-dSAFER',
// Parametri di compressione
...compressionSettings[compressionLevel] || compressionSettings['screen'],
...(compressionSettings[compressionLevel] || compressionSettings['screen']),
'-dCompressFonts=true',
'-dSubsetFonts=true',
'-dColorImageFilter=/DCTEncode',
'-dGrayImageFilter=/DCTEncode',
'-dEmbedAllFonts=true',
// Dimensioni pagina
`-g${widthPt}x${heightPt}`,
'-dFIXEDMEDIA',
// '-dPDFFitPage',
// Output
`-sOutputFile=${outputFile}`,
inputFile
inputFile,
];
console.log('Spawning gs with compression args:', args.join(' '));
const gsProcess = spawn('gs', args, {
stdio: ['ignore', 'pipe', 'pipe'],
shell: process.platform === 'win32'
shell: process.platform === 'win32',
});
let stdout = '';
let stderr = '';
gsProcess.stdout.on('data', (data) => {
stdout += data.toString();
if (stdout.length < 1000) { // Evita log troppo lunghi
if (stdout.length < 1000) {
// Evita log troppo lunghi
console.log('GS OUT:', data.toString().trim());
}
});
gsProcess.stderr.on('data', (data) => {
stderr += data.toString();
if (stderr.length < 1000) {
console.log('GS ERR:', data.toString().trim());
}
});
gsProcess.on('close', async (code) => {
console.log(`GS process closed with code: ${code}`);
if (code === 0) {
// Attendi e verifica
setTimeout(async () => {
@@ -405,8 +401,8 @@ async function convertPDF_ChildProcess(inputFile, outputFile, width, height, com
try {
const originalStats = await tools.getFileStatsAsync(inputFile);
const newStats = await tools.getFileStatsAsync(outputFile);
const compressionRatio = ((originalStats.size - newStats.size) / originalStats.size * 100).toFixed(1);
const compressionRatio = (((originalStats.size - newStats.size) / originalStats.size) * 100).toFixed(1);
console.log(`📁 File originale: ${(originalStats.size / 1024 / 1024).toFixed(2)} MB`);
console.log(`📁 File compresso: ${(newStats.size / 1024 / 1024).toFixed(2)} MB`);
console.log(`🗜️ Compressione: ${compressionRatio}%`);
@@ -414,7 +410,7 @@ async function convertPDF_ChildProcess(inputFile, outputFile, width, height, com
} catch (statsError) {
console.log('Warning: impossibile calcolare statistiche compressione');
}
resolve(outputFile);
} else {
console.log('❌ FAIL: File non generato nonostante exit code 0');
@@ -428,7 +424,7 @@ async function convertPDF_ChildProcess(inputFile, outputFile, width, height, com
reject(new Error(`Ghostscript failed with code ${code}: ${stderr}`));
}
});
gsProcess.on('error', (error) => {
console.log('GS process error:', error);
reject(new Error(`Failed to start Ghostscript: ${error.message}`));
@@ -631,6 +627,7 @@ router.post('/online-pdf', authenticate, async (req, res) => {
try {
let myrec = null;
// Aggiorna il PDF OnLine, copiando il file da Generato a OnLine
if (id_catalog) {
myrec = await Catalog.findOne({ _id: id_catalog });
@@ -645,7 +642,7 @@ router.post('/online-pdf', authenticate, async (req, res) => {
if (stampa) {
myrec.pdf_online_stampa = myrec.pdf_generato_stampa.replace('_generato', '');
} else {
myrec.pdf_online = myrec.pdf_generato.replace('_generato', '');
myrec.pdf_online = myrec.pdf_generato?.replace('_generato', '');
}
// Aggiorna il PDF OnLine, copiando il file da Generato a OnLine
@@ -699,17 +696,20 @@ async function JoinPDFCatalogs(cataloghi, options, outputFile, stampa) {
for (let id_catalog of cataloghi) {
let catalog = await Catalog.findOne({ _id: id_catalog });
if (catalog) {
let filename = stampa ? catalog.pdf_generato_stampa : catalog.pdf_generato;
let filename = stampa ? catalog.pdf_online_stampa : catalog.pdf_online;
if (filename) {
const pdfBytes = await fs.promises.readFile(options.mydir + filename);
const pdf = await PDFDocument.load(pdfBytes);
const pages = pdf.getPages();
const copiedPages = await pdfDoc.copyPages(
pdf,
pages.map((p, i) => i)
);
for (let page of copiedPages) {
pdfDoc.addPage(page);
let myfile = tools.fixFilePath(options.mydir + '/' + filename);
if (await tools.isFileExistsAsync(myfile)) {
const pdfBytes = await fs.promises.readFile(myfile);
const pdf = await PDFDocument.load(pdfBytes);
const pages = pdf.getPages();
const copiedPages = await pdfDoc.copyPages(
pdf,
pages.map((p, i) => i)
);
for (let page of copiedPages) {
pdfDoc.addPage(page);
}
}
} else {
console.log('ATTENZIONE! Catalogo non ancora Generato ! ', catalog.title);
@@ -725,6 +725,12 @@ async function JoinPDFCatalogs(cataloghi, options, outputFile, stampa) {
const outputFilename = path.basename(outputFile);
const outputPath = path.join(options.dir_out, outputFilename);
if (await tools.isFileExistsAsync(outputFile)) {
console.log('✅ Catalogo Completo Generato correttamente ! ', outputFile);
} else {
console.log('❌ Catalogo non generato ! ', outputFile);
}
const ris = {
outputPath,
};
@@ -746,7 +752,8 @@ router.post('/join-pdf', authenticate, async (req, res) => {
options.mydir = tools.getdirByIdApp(idapp);
try {
const full_dir_out = tools.getdirByIdApp(options.idapp) + '/' + options.dir_out;
const mydirpath = tools.getdirByIdApp(options.idapp);
const full_dir_out = tools.fixFilePath(path.join(mydirpath, options.dir_out));
await fs.promises.mkdir(full_dir_out, { recursive: true });
// Aggiorna il PDF OnLine, copiando il file da Generato a OnLine
@@ -767,13 +774,16 @@ router.post('/join-pdf', authenticate, async (req, res) => {
const ris_stampa = await JoinPDFCatalogs(cataloghi, options, outputFileStampa, true);
if (ris_stampa) {
raccolta.pdf_generato_stampa = ris_stampa.outputPath;
let myfilecheckstampa = path.join(mydirpath, ris_stampa.outputPath);
raccolta.pdf_generato_stampa_size = await tools.getSizeFile(myfilecheckstampa);
}
} else {
// Creazione file per WEB
const ris = await JoinPDFCatalogs(cataloghi, options, outputFile, false);
if (ris) {
raccolta.pdf_generato = ris.outputPath;
raccolta.pdf_generato_size = await tools.getSizeFile(ris.outputPath);
let myfilecheck = path.join(mydirpath, ris.outputPath);
raccolta.pdf_generato_size = await tools.getSizeFile(myfilecheck);
}
}
@@ -2663,5 +2673,4 @@ router.post('/generate-pdf', async (req, res) => {
}
});
module.exports = router;