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)):

templates/devis/detail.html

@@ -5,6 +5,7 @@
     <h1>Devis {{ devis.numero }}</h1>
     <div class="btn-group">
         <a href="/devis/" class="btn">← Retour</a>
+        <a href="/devis/{{ devis.id }}/pdf" class="btn btn-primary">⬇ Télécharger PDF</a>
         {% if devis.statut.value == 'brouillon' %}
         <a href="/devis/{{ devis.id }}/modifier" class="btn">Modifier</a>
         {% endif %}

templates/devis/liste.html

@@ -28,6 +28,7 @@
             <td><span class="badge badge-{{ d.statut.value }}">{{ d.statut.value }}</span></td>
             <td>
                 <a href="/devis/{{ d.id }}" class="btn btn-sm">Voir</a>
+                <a href="/devis/{{ d.id }}/pdf" class="btn btn-sm btn-primary">PDF</a>
             </td>
         </tr>
         {% endfor %}