feat: Implement asynchronous invoice report generation with email delivery and frontend status polling.

2026-02-06 15:31:30 -06:00
parent 264100e2ea
commit f3f763cd6d
14 changed files with 797 additions and 400 deletions
--- a/backend/core/celery_app.py
+++ b/backend/core/celery_app.py
@@ -12,7 +12,8 @@ celery_app = Celery(
        "api.v1.modules.a76.reports.importacion.facturas.task",
        "api.v1.modules.a76.reports.importacion.consolidados.task",
        "api.v1.modules.a76.reports.importacion.packing_list.task",
-        "api.v1.modules.a76.reports.exportacion.aviso_consolidado.task"
+        "api.v1.modules.a76.reports.exportacion.aviso_consolidado.task",
+        "api.v1.modules.a76.reports.movements.invoices.tasks"
    ] # Ruta al módulo donde están las tareas
 )

--- a/backend/core/config.py
+++ b/backend/core/config.py
@@ -47,6 +47,14 @@ class Settings(BaseSettings):
    SITAR_API_USER: str = ""
    SITAR_API_PASSWORD: str = ""

+    # SMTP Email Configuration
+    SMTP_HOST: str = "smtp.gmail.com"
+    SMTP_PORT: int = 587
+    SMTP_USER: str = ""
+    SMTP_PASSWORD: str = ""
+    SMTP_FROM_NAME: str = "Sistema Anexo76"
+    SMTP_USE_TLS: bool = True
+
    model_config = SettingsConfigDict(
        env_file=[".env", "../.env"],
        case_sensitive=True,
--- a/backend/core/email.py
+++ b/backend/core/email.py
@@ -0,0 +1,117 @@
+"""
+Email service for sending reports via SMTP.
+"""
+import aiosmtplib
+from email.mime.multipart import MIMEMultipart
+from email.mime.text import MIMEText
+from email.mime.base import MIMEBase
+from email import encoders
+from typing import List
+import logging
+from datetime import datetime
+
+from core.config import settings
+
+logger = logging.getLogger(__name__)
+
+
+class EmailService:
+    """Service for sending emails with attachments."""
+    
+    @staticmethod
+    async def send_report_email(
+        recipient_email: str,
+        subject: str,
+        body_text: str,
+        csv_content: str,
+        filename: str
+    ) -> bool:
+        """
+        Send a report email with CSV attachment.
+        
+        Args:
+            recipient_email: Email address of recipient
+            subject: Email subject line
+            body_text: Plain text email body
+            csv_content: CSV file content as string
+            filename: Name for the CSV attachment
+            
+        Returns:
+            bool: True if email sent successfully, False otherwise
+        """
+        try:
+            # Create message
+            msg = MIMEMultipart()
+            msg['From'] = f"{settings.SMTP_FROM_NAME} <{settings.SMTP_USER}>"
+            msg['To'] = recipient_email
+            msg['Subject'] = subject
+            
+            # Email body
+            html_body = f"""
+            <html>
+              <body style="font-family: Arial, sans-serif; line-height: 1.6; color: #333;">
+                <div style="max-width: 600px; margin: 0 auto; padding: 20px;">
+                  <h2 style="color: #2563eb; border-bottom: 2px solid #2563eb; padding-bottom: 10px;">
+                    Reporte de Facturas - Sistema Anexo76
+                  </h2>
+                  <p>{body_text}</p>
+                  <p style="margin-top: 20px;">
+                    El reporte se encuentra adjunto en formato CSV.
+                  </p>
+                  <hr style="margin: 30px 0; border: none; border-top: 1px solid #e5e7eb;">
+                  <p style="font-size: 12px; color: #6b7280;">
+                    Este es un correo generado automáticamente. Por favor no responder.
+                  </p>
+                  <p style="font-size: 12px; color: #6b7280;">
+                    Generado el {datetime.now().strftime('%d/%m/%Y a las %H:%M')}
+                  </p>
+                </div>
+              </body>
+            </html>
+            """
+            msg.attach(MIMEText(html_body, 'html'))
+            
+            # CSV attachment
+            attachment = MIMEBase('text', 'csv')
+            attachment.set_payload(csv_content.encode('utf-8'))
+            encoders.encode_base64(attachment)
+            attachment.add_header(
+                'Content-Disposition',
+                f'attachment; filename="{filename}"'
+            )
+            msg.attach(attachment)
+            
+            # Create SSL context that ignores certificate errors
+            import ssl
+            context = ssl.create_default_context()
+            context.check_hostname = False
+            context.verify_mode = ssl.CERT_NONE
+
+            # Send email
+            if settings.SMTP_PORT == 465:
+                # Port 465 uses implicit SSL
+                async with aiosmtplib.SMTP(
+                    hostname=settings.SMTP_HOST,
+                    port=settings.SMTP_PORT,
+                    use_tls=True,  # Implicit SSL
+                    tls_context=context
+                ) as smtp:
+                    await smtp.login(settings.SMTP_USER, settings.SMTP_PASSWORD)
+                    await smtp.send_message(msg)
+            else:
+                # Port 587 uses STARTTLS
+                async with aiosmtplib.SMTP(
+                    hostname=settings.SMTP_HOST,
+                    port=settings.SMTP_PORT,
+                    tls_context=context
+                ) as smtp:
+                    await smtp.starttls(tls_context=context)
+                    await smtp.login(settings.SMTP_USER, settings.SMTP_PASSWORD)
+                    await smtp.send_message(msg)
+            
+            logger.info(f"Email sent successfully to {recipient_email}")
+            return True
+            
+        except Exception as e:
+            logger.error(f"Failed to send email to {recipient_email}: {str(e)}")
+            return False