remove unused file

generate_facturx_jinja2.py

@@ -0,0 +1,225 @@
+"""
+Générateur Factur-X BASIC via template Jinja2
+"""
+
+from jinja2 import Environment, FileSystemLoader
+from dataclasses import dataclass, field
+from typing import List, Optional
+from datetime import date
+from collections import defaultdict
+
+from fastapi.templating import Jinja2Templates
+
+templates = Jinja2Templates(directory="templates")
+
+# ─────────────────────────────────────────────
+# Structures de données (identiques au générateur lxml)
+# ─────────────────────────────────────────────
+@dataclass
+class Address:
+    line1: str
+    city: str
+    postcode: str
+    country_code: str
+    line2: Optional[str] = None
+
+
+@dataclass
+class Party:
+    name: str
+    vat_id: Optional[str] = None
+    siret: Optional[str] = None
+    address: Optional[Address] = None
+
+
+@dataclass
+class InvoiceLine:
+    line_id: str
+    description: str
+    quantity: float
+    unit_code: str
+    unit_price: float
+    vat_rate: float
+    vat_category: str = "S"
+
+# Raison d'exonération par catégorie TVA
+EXEMPTION_REASONS = {
+    "E": "TVA non applicable, art. 293 B du CGI",
+    "Z": "Taux zéro",
+    "AE": "Autoliquidation",
+    "K": "Exonération intracommunautaire",
+    "G": "Exportation hors UE",
+}
+
+@dataclass
+class TaxLine:
+    rate: float
+    category: str
+    base_amount: float
+    amount: float
+    exemption_reason: Optional[str] = None
+
+@dataclass
+class Invoice:
+    number: str
+    issue_date: date
+    currency: str
+    seller: Party
+    buyer: Party
+    lines: List[InvoiceLine] = field(default_factory=list)
+    due_date: Optional[date] = None
+    type_code: str = "380"
+    payment_means_code: str = "30"
+    iban: Optional[str] = None
+    payment_reference: Optional[str] = None
+    note: Optional[str] = None
+
+    # Calculés automatiquement (voir compute())
+    tax_lines: List[TaxLine] = field(default_factory=list)
+    total_ht: float = 0.0
+    total_tva: float = 0.0
+    total_ttc: float = 0.0
+
+    def compute(self):
+        """Calcule les totaux et les lignes de TVA depuis les lignes de facture."""
+        tax_groups = defaultdict(float)
+        self.total_ht = 0.0
+
+        for ln in self.lines:
+            net = round(ln.quantity * ln.unit_price, 2)
+            self.total_ht += net
+            tax_groups[(ln.vat_rate, ln.vat_category)] += net
+
+        self.total_ht = round(self.total_ht, 2)
+        self.tax_lines = []
+        self.total_tva = 0.0
+
+        for (rate, category), base in tax_groups.items():
+            base = round(base, 2)
+            amount = round(base * rate / 100, 2)
+            self.total_tva += amount
+            self.tax_lines.append(TaxLine(
+                rate=rate,
+                category=category,
+                base_amount=base,
+                amount=amount,
+                 # Raison d'exonération automatique si catégorie != "S" (standard)
+                exemption_reason=EXEMPTION_REASONS.get(category) if category != "S" else None,
+            ))
+
+        self.total_tva = round(self.total_tva, 2)
+        self.total_ttc = round(self.total_ht + self.total_tva, 2)
+
+
+# ─────────────────────────────────────────────
+# Filtres Jinja2 personnalisés
+# ─────────────────────────────────────────────
+def filter_amount(value: float) -> str:
+    return f"{float(value):.2f}"
+
+
+def filter_datefmt(value: date) -> str:
+    return value.strftime("%Y%m%d")
+
+
+# ─────────────────────────────────────────────
+# Générateur
+# ─────────────────────────────────────────────
+def generate_facturx_xml(invoice: Invoice, template_dir: str = ".", output_file: str = "factur-x.xml") -> str:
+    """
+    Génère le XML Factur-X BASIC depuis le template Jinja2.
+    Retourne le XML sous forme de chaîne et l'écrit dans output_file.
+    """
+    # Calcul des totaux
+    invoice.compute()
+
+    # Environnement Jinja2
+    env = Environment(
+        loader=FileSystemLoader(template_dir),
+        autoescape=False,          # XML géré manuellement
+        trim_blocks=True,          # supprime le \n après les blocs {% %}
+        lstrip_blocks=True,        # supprime les espaces avant {% %}
+    )
+    env.filters["amount"] = filter_amount
+    env.filters["datefmt"] = filter_datefmt
+
+    template = env.get_template("templates/xml/factur-x-basic.xml.j2")
+    xml_str = template.render(
+        invoice=invoice,
+        seller=invoice.seller,
+        buyer=invoice.buyer,
+    )
+
+    with open(output_file, "w", encoding="utf-8") as f:
+        f.write(xml_str)
+
+    return xml_str
+
+
+# ─────────────────────────────────────────────
+# Exemple d'utilisation
+# ─────────────────────────────────────────────
+if __name__ == "__main__":
+
+    invoice = Invoice(
+        number="FA-2024-00123",
+        issue_date=date(2024, 3, 15),
+        due_date=date(2024, 4, 14),
+        currency="EUR",
+        type_code="380",
+        note="Facture relative au contrat n°CTR-2024-01",
+
+        seller=Party(
+            name="Ma Société SAS",
+            # vat_id absent : pas de numéro TVA en franchise (art. 293 B CGI)
+            siret="12345678900012",
+            address=Address(
+                line1="10 rue de la Paix",
+                city="Paris",
+                postcode="75001",
+                country_code="FR",
+            ),
+        ),
+
+        buyer=Party(
+            name="Client SARL",
+            vat_id="FR98765432100",
+            siret="98765432100011",
+            address=Address(
+                line1="5 avenue des Fleurs",
+                city="Lyon",
+                postcode="69001",
+                country_code="FR",
+            ),
+        ),
+
+        payment_means_code="30",
+        iban="FR7612345678901234567890189",
+        payment_reference="CTR-2024-01",
+    )
+
+    # Ajout des lignes — franchise de TVA (art. 293 B du CGI)
+    # Utiliser vat_category="E" et vat_rate=0.0
+    articles = [
+        {"desc": "Développement logiciel - Sprint 1", "qty": 10, "unit": "HUR", "prix": 150.0, "tva": 0.0, "cat": "E"},
+        {"desc": "Licence logicielle annuelle",        "qty":  1, "unit": "C62", "prix": 500.0, "tva": 0.0, "cat": "E"},
+        {"desc": "Formation utilisateurs",             "qty":  2, "unit": "HUR", "prix": 200.0, "tva": 0.0, "cat": "E"},
+    ]
+
+    for i, art in enumerate(articles, start=1):
+        invoice.lines.append(InvoiceLine(
+            line_id=str(i),
+            description=art["desc"],
+            quantity=art["qty"],
+            unit_code=art["unit"],
+            unit_price=art["prix"],
+            vat_rate=art["tva"],
+            vat_category=art["cat"],   # "E" = exonéré (franchise TVA)
+        ))
+
+    xml = generate_facturx_xml(invoice, template_dir=".", output_file="factur-x.xml")
+
+    print(f"✅ Fichier généré : factur-x.xml")
+    print(f"   Total HT  : {invoice.total_ht:.2f} €")
+    print(f"   TVA 20%   : {invoice.total_tva:.2f} €")
+    print(f"   Total TTC : {invoice.total_ttc:.2f} €")

routers/factures.py

@@ -10,7 +10,8 @@ from models import Facture, LigneFacture, Client, StatutFacture
 from numerotation import generer_numero_facture
 from config import settings
 from auth import get_current_user
-from template_helper import render
+from template_helper import render, render_xml
+from generate_facturx_jinja2 import Address, Party, Invoice, InvoiceLine, generate_facturx_xml
 
 router = APIRouter(prefix="/factures", tags=["factures"], dependencies=[Depends(get_current_user)])
 templates = Jinja2Templates(directory="templates")
@@ -155,9 +156,29 @@ def changer_statut_facture(
     db.commit()
     return RedirectResponse(f"/factures/{facture_id}", status_code=303)
 
+from generate_facturx_jinja2 import  Invoice, Party, Address, InvoiceLine, filter_amount, filter_datefmt
 
-@router.get("/{facture_id}/pdf")
+@router.get("/{facture_id}/facturx")
-def telecharger_pdf(facture_id: int, db: Session = Depends(get_db)):
+def telecharger_facturx(request: Request, facture_id: int, db: Session = Depends(get_db)):
+    facture = get_invoice_data(facture_id, db)  # votre appel BDD
+
+    # facture = db.query(Facture).get(facture_id)
+    if not facture:
+        raise HTTPException(status_code=404)
+
+    xml_bytes = generate_facturx_xml(facture)
+
+    filename=f"factur-x-{facture_id}.xml"
+
+    return Response(
+        content= xml_bytes,
+        media_type="application/xml",
+        headers={"Content-Disposition": f'attachment; filename="{filename}"'}
+    )
+
+
+@router.get("/{facture_id}/pdf", response_class=HTMLResponse)
+def telecharger_pdf(request: Request, facture_id: int, db: Session = Depends(get_db)):
     from weasyprint import HTML
     facture = db.query(Facture).get(facture_id)
     if not facture:
@@ -171,6 +192,7 @@ def telecharger_pdf(facture_id: int, db: Session = Depends(get_db)):
     pdf_bytes = HTML(string=html_content, base_url=".").write_pdf()
 
     filename = f"facture-{facture.numero}.pdf"
+
     return Response(
         content=pdf_bytes,
         media_type="application/pdf",
@@ -187,3 +209,55 @@ def apercu_pdf(request: Request, facture_id: int, db: Session = Depends(get_db))
         "facture": facture,
         "settings": settings,
     })
+
+def get_invoice_data(facture_id: int, db: Session):
+    facture = db.query(Facture).get(facture_id)
+    invoice = Invoice(
+        number=facture.numero,
+        issue_date=facture.date_emission,
+        due_date=facture.date_echeance,
+        currency="EUR",
+        type_code="380",
+        note=("Facture établie suite au devis " + facture.devis_origine.numero),
+
+        seller=Party(
+            name=settings.asso_nom,
+            #vat_id="FR12345678901",
+            siret=settings.asso_siret,
+            address=Address(
+                line1=settings.asso_adresse,
+                city=settings.asso_ville,
+                postcode=settings.asso_code_postal,
+                country_code="FR",
+            ),
+        ),
+
+        buyer=Party(
+            name=facture.client.nom,
+            #vat_id="FR98765432100",
+            siret=facture.client.siret,
+            address=Address(
+                line1=facture.client.adresse,
+                city=facture.client.ville,
+                postcode=facture.client.code_postal,
+                country_code="FR",
+            ),
+        ),
+
+        payment_means_code="30",   # 30 = virement bancaire
+        iban=settings.asso_iban,
+        payment_reference=facture.devis_origine.numero,
+    )
+
+    for l in facture.lignes:
+        invoice.lines.append(InvoiceLine(
+            line_id=l.id,
+            description=l.description,
+            quantity=l.quantite,
+            unit_code="C62",
+            unit_price=l.prix_unitaire_ht,
+            vat_category="E",
+            vat_rate=0.0,
+            ))
+
+    return invoice

template_helper.py

@@ -3,7 +3,7 @@ Helper pour injecter automatiquement current_user dans le contexte Jinja2.
 """
 from fastapi import Request
 from fastapi.templating import Jinja2Templates
-from starlette.responses import HTMLResponse
+from starlette.responses import HTMLResponse, Response
 
 
 def render(templates: Jinja2Templates, template_name: str,
@@ -17,3 +17,20 @@ def render(templates: Jinja2Templates, template_name: str,
     response = templates.TemplateResponse(template_name, ctx)
     response.status_code = status_code
     return response
+
+def render_xml(templates: Jinja2Templates, template_name: str,
+               request: Request, invoice: "Invoice",
+               filename: str = "factur-x.xml") -> Response:
+
+    xml_content = templates.env.get_template(template_name).render(
+        request=request,
+        invoice=invoice,
+        seller=invoice.seller,
+        buyer=invoice.buyer,
+    )
+
+    return Response(
+        content=xml_content,
+        media_type="application/xml",
+        headers={"Content-Disposition": f'attachment; filename="{filename}"'}
+    )

templates/factures/liste.html

@@ -29,6 +29,7 @@
             <td>
                 <a href="/factures/{{ f.id }}" class="btn btn-sm">Voir</a>
                 <a href="/factures/{{ f.id }}/pdf" class="btn btn-sm btn-primary">PDF</a>
+                <a href="/factures/{{ f.id }}/facturx" class="btn btn-sm btn-primary">facturx</a>
             </td>
         </tr>
         {% endfor %}

templates/xml/factur-x-basic.xml.j2

@@ -0,0 +1,176 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<rsm:CrossIndustryInvoice
+    xmlns:rsm="urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100"
+    xmlns:ram="urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100"
+    xmlns:udt="urn:un:unece:uncefact:data:standard:UnqualifiedDataType:100"
+    xmlns:qdt="urn:un:unece:uncefact:data:standard:QualifiedDataType:100"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+
+  <!-- 1. CONTEXTE -->
+  <rsm:ExchangedDocumentContext>
+    <ram:GuidelineSpecifiedDocumentContextParameter>
+      <ram:ID>urn:cen.eu:en16931:2017#compliant#urn:factur-x.eu:1p0:basic</ram:ID>
+    </ram:GuidelineSpecifiedDocumentContextParameter>
+  </rsm:ExchangedDocumentContext>
+
+  <!-- 2. EN-TÊTE FACTURE -->
+  <rsm:ExchangedDocument>
+    <ram:ID>{{ invoice.number }}</ram:ID>
+    <ram:TypeCode>{{ invoice.type_code }}</ram:TypeCode>
+    <ram:IssueDateTime>
+      <udt:DateTimeString format="102">{{ invoice.issue_date | datefmt }}</udt:DateTimeString>
+    </ram:IssueDateTime>
+    {% if invoice.note %}
+    <ram:IncludedNote>
+      <ram:Content>{{ invoice.note }}</ram:Content>
+    </ram:IncludedNote>
+    {% endif %}
+  </rsm:ExchangedDocument>
+
+  <!-- 3. TRANSACTION COMMERCIALE -->
+  <rsm:SupplyChainTradeTransaction>
+
+    <!-- 3a. Lignes de facture -->
+    {% for line in invoice.lines %}
+    <ram:IncludedSupplyChainTradeLineItem>
+      <ram:AssociatedDocumentLineDocument>
+        <ram:LineID>{{ line.line_id }}</ram:LineID>
+      </ram:AssociatedDocumentLineDocument>
+      <ram:SpecifiedTradeProduct>
+        <ram:Name>{{ line.description }}</ram:Name>
+      </ram:SpecifiedTradeProduct>
+      <ram:SpecifiedLineTradeAgreement>
+        <ram:NetPriceProductTradePrice>
+          <ram:ChargeAmount>{{ line.unit_price | amount }}</ram:ChargeAmount>
+        </ram:NetPriceProductTradePrice>
+      </ram:SpecifiedLineTradeAgreement>
+      <ram:SpecifiedLineTradeDelivery>
+        <ram:BilledQuantity unitCode="{{ line.unit_code }}">{{ line.quantity | amount }}</ram:BilledQuantity>
+      </ram:SpecifiedLineTradeDelivery>
+      <ram:SpecifiedLineTradeSettlement>
+        <ram:ApplicableTradeTax>
+          <ram:TypeCode>VAT</ram:TypeCode>
+          <ram:CategoryCode>{{ line.vat_category }}</ram:CategoryCode>
+          <ram:RateApplicablePercent>{{ line.vat_rate | amount }}</ram:RateApplicablePercent>
+        </ram:ApplicableTradeTax>
+        <ram:SpecifiedTradeSettlementLineMonetarySummation>
+          <ram:LineTotalAmount>{{ (line.quantity * line.unit_price) | amount }}</ram:LineTotalAmount>
+        </ram:SpecifiedTradeSettlementLineMonetarySummation>
+      </ram:SpecifiedLineTradeSettlement>
+    </ram:IncludedSupplyChainTradeLineItem>
+    {% endfor %}
+
+    <!-- 3b. Accord commercial -->
+    <ram:ApplicableHeaderTradeAgreement>
+
+      <ram:SellerTradeParty>
+        <ram:Name>{{ seller.name }}</ram:Name>
+        {% if seller.siret %}
+        <ram:SpecifiedLegalOrganization>
+          <ram:ID schemeID="0002">{{ seller.siret }}</ram:ID>
+        </ram:SpecifiedLegalOrganization>
+        {% endif %}
+        {% if seller.address %}
+        <ram:PostalTradeAddress>
+          <ram:PostcodeCode>{{ seller.address.postcode }}</ram:PostcodeCode>
+          <ram:LineOne>{{ seller.address.line1 }}</ram:LineOne>
+          {% if seller.address.line2 %}
+          <ram:LineTwo>{{ seller.address.line2 }}</ram:LineTwo>
+          {% endif %}
+          <ram:CityName>{{ seller.address.city }}</ram:CityName>
+          <ram:CountryID>{{ seller.address.country_code }}</ram:CountryID>
+        </ram:PostalTradeAddress>
+        {% endif %}
+        {% if seller.vat_id %}
+        <ram:SpecifiedTaxRegistration>
+          <ram:ID schemeID="VA">{{ seller.vat_id }}</ram:ID>
+        </ram:SpecifiedTaxRegistration>
+        {% elif seller.siret %}
+        {# Franchise TVA (art. 293 B CGI) : pas de n° TVA, on utilise le SIRET avec schemeID="FC" #}
+        <ram:SpecifiedTaxRegistration>
+          <ram:ID schemeID="FC">{{ seller.siret }}</ram:ID>
+        </ram:SpecifiedTaxRegistration>
+        {% endif %}
+      </ram:SellerTradeParty>
+
+      <ram:BuyerTradeParty>
+        <ram:Name>{{ buyer.name }}</ram:Name>
+        {% if buyer.siret %}
+        <ram:SpecifiedLegalOrganization>
+          <ram:ID schemeID="0002">{{ buyer.siret }}</ram:ID>
+        </ram:SpecifiedLegalOrganization>
+        {% endif %}
+        {% if buyer.address %}
+        <ram:PostalTradeAddress>
+          <ram:PostcodeCode>{{ buyer.address.postcode }}</ram:PostcodeCode>
+          <ram:LineOne>{{ buyer.address.line1 }}</ram:LineOne>
+          {% if buyer.address.line2 %}
+          <ram:LineTwo>{{ buyer.address.line2 }}</ram:LineTwo>
+          {% endif %}
+          <ram:CityName>{{ buyer.address.city }}</ram:CityName>
+          <ram:CountryID>{{ buyer.address.country_code }}</ram:CountryID>
+        </ram:PostalTradeAddress>
+        {% endif %}
+      </ram:BuyerTradeParty>
+
+      {% if invoice.payment_reference %}
+      <ram:BuyerOrderReferencedDocument>
+        <ram:IssuerAssignedID>{{ invoice.payment_reference }}</ram:IssuerAssignedID>
+      </ram:BuyerOrderReferencedDocument>
+      {% endif %}
+
+    </ram:ApplicableHeaderTradeAgreement>
+
+    <!-- 3c. Livraison -->
+    <ram:ApplicableHeaderTradeDelivery>
+      <ram:ShipToTradeParty>
+        <ram:Name>{{ buyer.name }}</ram:Name>
+      </ram:ShipToTradeParty>
+    </ram:ApplicableHeaderTradeDelivery>
+
+    <!-- 3d. Règlement -->
+    <ram:ApplicableHeaderTradeSettlement>
+      <ram:InvoiceCurrencyCode>{{ invoice.currency }}</ram:InvoiceCurrencyCode>
+
+      <ram:SpecifiedTradeSettlementPaymentMeans>
+        <ram:TypeCode>{{ invoice.payment_means_code }}</ram:TypeCode>
+        {% if invoice.iban %}
+        <ram:PayeePartyCreditorFinancialAccount>
+          <ram:IBANID>{{ invoice.iban }}</ram:IBANID>
+        </ram:PayeePartyCreditorFinancialAccount>
+        {% endif %}
+      </ram:SpecifiedTradeSettlementPaymentMeans>
+
+      {% for tax in invoice.tax_lines %}
+      <ram:ApplicableTradeTax>
+        <ram:CalculatedAmount>{{ tax.amount | amount }}</ram:CalculatedAmount>
+        <ram:TypeCode>VAT</ram:TypeCode>
+        {% if tax.exemption_reason %}
+        <ram:ExemptionReason>{{ tax.exemption_reason }}</ram:ExemptionReason>
+        {% endif %}
+        <ram:BasisAmount>{{ tax.base_amount | amount }}</ram:BasisAmount>
+        <ram:CategoryCode>{{ tax.category }}</ram:CategoryCode>
+        <ram:RateApplicablePercent>{{ tax.rate | amount }}</ram:RateApplicablePercent>
+      </ram:ApplicableTradeTax>
+      {% endfor %}
+
+      {% if invoice.due_date %}
+      <ram:SpecifiedTradePaymentTerms>
+        <ram:DueDateDateTime>
+          <udt:DateTimeString format="102">{{ invoice.due_date | datefmt }}</udt:DateTimeString>
+        </ram:DueDateDateTime>
+      </ram:SpecifiedTradePaymentTerms>
+      {% endif %}
+
+      <ram:SpecifiedTradeSettlementHeaderMonetarySummation>
+        <ram:LineTotalAmount>{{ invoice.total_ht | amount }}</ram:LineTotalAmount>
+        <ram:TaxBasisTotalAmount>{{ invoice.total_ht | amount }}</ram:TaxBasisTotalAmount>
+        <ram:TaxTotalAmount currencyID="{{ invoice.currency }}">{{ invoice.total_tva | amount }}</ram:TaxTotalAmount>
+        <ram:GrandTotalAmount>{{ invoice.total_ttc | amount }}</ram:GrandTotalAmount>
+        <ram:DuePayableAmount>{{ invoice.total_ttc | amount }}</ram:DuePayableAmount>
+      </ram:SpecifiedTradeSettlementHeaderMonetarySummation>
+
+    </ram:ApplicableHeaderTradeSettlement>
+
+  </rsm:SupplyChainTradeTransaction>
+</rsm:CrossIndustryInvoice>