Initial commit - Facturation SANTINOVA
This commit is contained in:
manus-admin
30
backend/src/services/auditService.ts
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30
backend/src/services/auditService.ts
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import mysql from 'mysql2/promise';
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import { getPool } from '../config/database';
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export async function logAction(
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entityType: string,
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entityId: number,
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action: string,
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userId?: number,
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userName?: string,
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details?: any
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) {
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try {
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const pool = getPool();
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await pool.execute(
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`INSERT INTO audit_log (entity_type, entity_id, action, user_id, user_name, details) VALUES (?, ?, ?, ?, ?, ?)`,
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[entityType, entityId, action, userId || null, userName || null, details ? JSON.stringify(details) : null]
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);
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} catch (error) {
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console.error('Erreur lors de l\'enregistrement de l\'audit:', error);
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}
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}
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export async function getAuditLog(entityType: string, entityId: number) {
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const pool = getPool();
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const [rows] = await pool.execute(
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`SELECT * FROM audit_log WHERE entity_type = ? AND entity_id = ? ORDER BY created_at DESC`,
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[entityType, entityId]
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);
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return rows;
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}
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224
backend/src/services/ocrService.ts
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224
backend/src/services/ocrService.ts
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import OpenAI from 'openai';
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import fs from 'fs';
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import path from 'path';
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import { getPool } from '../config/database';
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const openai = new OpenAI({
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apiKey: process.env.OPENAI_API_KEY,
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});
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interface ExtractedInvoiceData {
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invoiceNumber?: string;
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supplierName?: string;
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supplierSiret?: string;
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supplierAddress?: string;
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invoiceDate?: string;
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dueDate?: string;
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amountHT?: number;
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amountTVA?: number;
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amountTTC?: number;
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tvaRate?: number;
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currency?: string;
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lines?: Array<{
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description?: string;
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quantity?: number;
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unitPrice?: number;
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amountHT?: number;
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tvaRate?: number;
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amountTVA?: number;
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amountTTC?: number;
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}>;
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fullText?: string;
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confidence?: number;
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}
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export async function extractInvoiceData(filePath: string, mimeType: string, invoiceId: number): Promise<ExtractedInvoiceData> {
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try {
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console.log(`🔍 OCR en cours pour la facture #${invoiceId}...`);
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// Read file and convert to base64
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const fileBuffer = fs.readFileSync(filePath);
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const base64 = fileBuffer.toString('base64');
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// Determine media type
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let mediaType = 'image/jpeg';
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if (mimeType === 'application/pdf') {
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mediaType = 'application/pdf';
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} else if (mimeType) {
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mediaType = mimeType;
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}
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const dataUrl = `data:${mediaType};base64,${base64}`;
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const prompt = `Tu es un expert en extraction de données de factures. Analyse cette facture et extrais les informations suivantes au format JSON strict.
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IMPORTANT: Réponds UNIQUEMENT avec un objet JSON valide, sans texte avant ou après.
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{
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"invoiceNumber": "numéro de facture",
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"supplierName": "nom du fournisseur",
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"supplierSiret": "numéro SIRET du fournisseur",
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"supplierAddress": "adresse complète du fournisseur",
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"invoiceDate": "date de facture au format YYYY-MM-DD",
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"dueDate": "date d'échéance au format YYYY-MM-DD",
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"amountHT": montant_HT_nombre,
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"amountTVA": montant_TVA_nombre,
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"amountTTC": montant_TTC_nombre,
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"tvaRate": taux_TVA_nombre,
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"currency": "EUR",
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"lines": [
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{
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"description": "description de la ligne",
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"quantity": quantité_nombre,
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"unitPrice": prix_unitaire_nombre,
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"amountHT": montant_HT_ligne_nombre,
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"tvaRate": taux_TVA_nombre,
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"amountTVA": montant_TVA_ligne_nombre,
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"amountTTC": montant_TTC_ligne_nombre
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}
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],
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"fullText": "texte complet extrait de la facture",
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"confidence": score_de_confiance_0_à_100
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}
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Si une information n'est pas trouvée, utilise null. Les montants doivent être des nombres (pas de chaînes). Les dates doivent être au format YYYY-MM-DD.`;
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const response = await openai.chat.completions.create({
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model: 'gpt-4.1-mini',
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messages: [
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{
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role: 'user',
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content: [
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{ type: 'text', text: prompt },
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{
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type: 'image_url',
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image_url: {
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url: dataUrl,
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detail: 'high',
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},
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},
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],
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},
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],
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max_tokens: 4096,
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temperature: 0.1,
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});
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const content = response.choices[0]?.message?.content || '{}';
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// Parse JSON response
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let extracted: ExtractedInvoiceData;
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try {
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// Try to extract JSON from the response
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const jsonMatch = content.match(/\{[\s\S]*\}/);
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if (jsonMatch) {
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extracted = JSON.parse(jsonMatch[0]);
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} else {
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extracted = JSON.parse(content);
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}
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} catch (parseError) {
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console.error('Erreur parsing OCR JSON:', parseError);
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extracted = { fullText: content, confidence: 0 };
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}
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// Update the invoice in the database
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const pool = getPool();
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// Try to find or create supplier
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let supplierId: number | null = null;
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if (extracted.supplierName) {
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const [existingSuppliers]: any = await pool.execute(
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'SELECT id FROM suppliers WHERE name LIKE ? OR siret = ? LIMIT 1',
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[`%${extracted.supplierName}%`, extracted.supplierSiret || '']
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);
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if (existingSuppliers.length > 0) {
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supplierId = existingSuppliers[0].id;
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} else {
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// Create new supplier
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const [result]: any = await pool.execute(
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'INSERT INTO suppliers (name, siret, address) VALUES (?, ?, ?)',
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[extracted.supplierName, extracted.supplierSiret || null, extracted.supplierAddress || null]
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);
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supplierId = result.insertId;
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}
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}
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await pool.execute(
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`UPDATE invoices SET
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invoice_number = COALESCE(?, invoice_number),
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supplier_id = COALESCE(?, supplier_id),
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supplier_name = COALESCE(?, supplier_name),
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supplier_siret = COALESCE(?, supplier_siret),
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supplier_address = COALESCE(?, supplier_address),
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invoice_date = COALESCE(?, invoice_date),
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due_date = COALESCE(?, due_date),
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amount_ht = COALESCE(?, amount_ht),
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amount_tva = COALESCE(?, amount_tva),
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amount_ttc = COALESCE(?, amount_ttc),
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tva_rate = COALESCE(?, tva_rate),
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currency = COALESCE(?, currency),
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ocr_raw_data = ?,
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ocr_confidence = ?,
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full_text = ?,
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status = 'en_verification'
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WHERE id = ?`,
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[
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extracted.invoiceNumber || null,
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supplierId,
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extracted.supplierName || null,
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extracted.supplierSiret || null,
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extracted.supplierAddress || null,
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extracted.invoiceDate || null,
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extracted.dueDate || null,
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extracted.amountHT || null,
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extracted.amountTVA || null,
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extracted.amountTTC || null,
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extracted.tvaRate || null,
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extracted.currency || null,
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JSON.stringify(extracted),
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extracted.confidence || null,
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extracted.fullText || null,
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invoiceId,
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]
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);
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// Insert invoice lines
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if (extracted.lines && extracted.lines.length > 0) {
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for (let idx = 0; idx < extracted.lines.length; idx++) {
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const line = extracted.lines[idx];
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await pool.execute(
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`INSERT INTO invoice_lines (invoice_id, description, quantity, unit_price, amount_ht, tva_rate, amount_tva, amount_ttc, line_order)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)`,
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[invoiceId, line.description || null, line.quantity || null, line.unitPrice || null,
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line.amountHT || null, line.tvaRate || null, line.amountTVA || null, line.amountTTC || null, idx]
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);
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}
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}
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// Log the OCR action
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await pool.execute(
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`INSERT INTO audit_log (entity_type, entity_id, action, details) VALUES (?, ?, ?, ?)`,
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['invoice', invoiceId, 'ocr_extraction', JSON.stringify({ confidence: extracted.confidence, linesCount: extracted.lines?.length || 0 })]
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);
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console.log(`✅ OCR terminé pour la facture #${invoiceId} (confiance: ${extracted.confidence}%)`);
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return extracted;
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} catch (error: any) {
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console.error(`❌ Erreur OCR pour la facture #${invoiceId}:`, error);
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// Update invoice with error status
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try {
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const pool = getPool();
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await pool.execute(
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`INSERT INTO audit_log (entity_type, entity_id, action, details) VALUES (?, ?, ?, ?)`,
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['invoice', invoiceId, 'ocr_erreur', JSON.stringify({ error: error.message })]
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);
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} catch (logError) {
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console.error('Erreur log OCR:', logError);
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}
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throw error;
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}
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}
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