generate pdf file for devis

routers/devis.py

@@ -1,7 +1,7 @@
 import json
 from datetime import date, timedelta
 from fastapi import APIRouter, Depends, Request, Form, HTTPException
-from fastapi.responses import HTMLResponse, RedirectResponse
+from fastapi.responses import HTMLResponse, RedirectResponse, Response
 from fastapi.templating import Jinja2Templates
 from sqlalchemy.orm import Session
 
@@ -10,6 +10,7 @@ from models import Devis, LigneDevis, Client, StatutDevis
 from numerotation import generer_numero_devis
 from auth import get_current_user
 from template_helper import render
+from config import settings
 
 router = APIRouter(prefix="/devis", tags=["devis"], dependencies=[Depends(get_current_user)])
 templates = Jinja2Templates(directory="templates")
@@ -150,6 +151,27 @@ def changer_statut_devis(
     db.commit()
     return RedirectResponse(f"/devis/{devis_id}", status_code=303)
 
+@router.get("/{devis_id}/pdf")
+def telecharger_devis__pdf(devis_id: int, db: Session = Depends(get_db)):
+    from weasyprint import HTML
+    devis = db.query(Devis).get(devis_id)
+    if not devis:
+        raise HTTPException(status_code=404)
+
+    html_content = templates.get_template("pdf/devis.html").render({
+        "devis": devis,
+        "settings": settings,
+    })
+
+    pdf_bytes = HTML(string=html_content, base_url=".").write_pdf()
+
+    filename = f"devis-{devis.numero}.pdf"
+    return Response(
+        content=pdf_bytes,
+        media_type="application/pdf",
+        headers={"Content-Disposition": f'attachment; filename="{filename}"'}
+    )
+
 
 @router.post("/{devis_id}/convertir")
 def convertir_en_facture(devis_id: int, db: Session = Depends(get_db)):