E-Rechnung/main.py

565 lines
30 KiB
Python

import os
import streamlit as st
import json
import re
import xml.etree.ElementTree as ET
from xml.dom import minidom
from datetime import datetime, timedelta
from decimal import Decimal, ROUND_HALF_UP
import fitz
import requests
from pydantic import BaseModel, Field
# ==========================================
# 1. API-CLIENT FÜR EXTERNE BACKENDS (vLLM / Ollama)
# ==========================================
class LLMClient:
"""Client für Ollama und vLLM (OpenAI-kompatibel) mit JSON-Schema-Unterstützung."""
def __init__(self, backend_type="vllm", model="gemma431b", base_url=None):
self.backend_type = backend_type.lower()
self.model = model
if not base_url:
base_url = "http://10.192.0.140:8002" if self.backend_type == "vllm" else "http://localhost:11434"
# KUGELSICHERER REINIGER: Filtert versehentliche Markdown-Links [...] vorab heraus
base_url = base_url.strip()
if base_url.startswith("[") and ")" in base_url:
match = re.search(r"\((https?://.*?)\)", base_url)
if match:
base_url = match.group(1)
self.base_url = base_url.rstrip("/")
def chat(self, prompt, system_prompt="You are a helpful assistant.", temperature=0.0, json_schema=None):
messages = [
{"role": "system", "content": system_prompt},
{"role": "user", "content": prompt}
]
if self.backend_type == "ollama":
return self._ollama_request(messages, temperature, json_schema)
else:
return self._openai_compatible_request(messages, temperature, json_schema)
def _ollama_request(self, messages, temperature, json_schema):
url = f"{self.base_url}/api/chat"
payload = {
"model": self.model,
"messages": messages,
"stream": False,
"options": {
"temperature": temperature
}
}
if json_schema:
payload["format"] = json_schema
try:
response = requests.post(url, json=payload, timeout=120)
response.raise_for_status()
return response.json().get("message", {}).get("content", "")
except Exception as e:
return f"Ollama Error: {e}"
def _openai_compatible_request(self, messages, temperature, json_schema):
url = f"{self.base_url}/v1/chat/completions"
payload = {
"model": self.model,
"messages": messages,
"temperature": temperature
}
if json_schema:
payload["guided_json"] = json.dumps(json_schema) if isinstance(json_schema, dict) else json_schema
try:
response = requests.post(url, json=payload, timeout=120)
response.raise_for_status()
data = response.json()
return data.get("choices", [{}])[0].get("message", {}).get("content", "")
except Exception as e:
return f"vLLM/OpenAI Error: {e}"
# ==========================================
# 2. METADATEN SCHREIBSCHEMA (ERWEITERT FÜR VORLAUFTEXTE)
# ==========================================
class InvoiceMetadata(BaseModel):
invoice_number: str = Field(description="Die Rechnungsnummer nach 'Nummer:' (z.B. R26-219)")
invoice_date: str = Field(description="Das Rechnungsdatum nach 'Datum:' im Format YYYY-MM-DD")
delivery_date: str = Field(description="Das Lieferdatum nach 'Lieferdatum:' im Format YYYY-MM-DD")
buyer_reference: str = Field(description="Der exakte Wert nach 'Ihr Auftrag:' (z.B. 05.06.2026-Herr.Knospe)")
recipient_name: str = Field(description="Vollständige Firma des Kunden/Empfängers (z.B. Stadtwerke Hennigsdorf GmbH)")
recipient_street: str = Field(description="Straße und Hausnummer des Kunden")
recipient_zip: str = Field(description="Postleitzahl (PLZ) des Kunden")
recipient_city: str = Field(description="Stadt des Kunden")
recipient_email: str = Field(description="E-Mail-Adresse des Kunden (LEER lassen, wenn nicht explizit im Text!)")
vat_rate_percent: float = Field(description="Der primäre Umsatzsteuersatz in Prozent (z.B. 19.0)")
# Neue strukturierte Felder für jegliche Daten VOR Position 1
delivery_note_id: str = Field(default="", description="Gefundene Lieferscheinnummer (z.B. LS26-035) VOR Position 1. Sonst leer lassen.")
order_id: str = Field(default="", description="Gefundene Nummer der Auftragsbestätigung oder Bestellung (z.B. AB26-080) VOR Position 1. Sonst leer lassen.")
contract_id: str = Field(default="", description="Gefundene Nummer von Vergabeangebot, Vertrag oder Ausschreibung (z.B. AN26-130) VOR Position 1. Sonst leer lassen.")
service_start_date: str = Field(default="", description="Startdatum eines explizit genannten Einsatz- oder Leistungszeitraums VOR Position 1 im Format YYYY-MM-DD. Sonst leer.")
service_end_date: str = Field(default="", description="Enddatum eines explizit genannten Einsatz- oder Leistungszeitraums VOR Position 1 im Format YYYY-MM-DD. Sonst leer.")
invoice_note: str = Field(default="", description="Sämtlicher unstrukturierter Fließtext, Beschreibungen, Abnahmekriterien (Acceptance Criteria) oder Projektklauseln, die sich VOR Position 1 befinden. Vollständig mit Zeilenumbrüchen sichern.")
# ==========================================
# 3. MATHEMATISCHE & PARSING-FUNKTIONEN
# ==========================================
def kaufmaennisches_runden(betrag, nachkommastellen=2):
if not betrag:
return 0.0
quantizer = Decimal('1.' + '0' * nachkommastellen)
return float(Decimal(f"{betrag:.6f}").quantize(quantizer, rounding=ROUND_HALF_UP))
def clean_german_float(val_str):
if not val_str:
return 0.0
s = str(val_str).strip().replace("€", "").replace(" ", "").replace("'", "").replace("\n", "").replace("\r", "")
if not s:
return 0.0
if "." in s and "," in s:
s = s.replace(".", "").replace(",", ".")
elif "," in s:
s = s.replace(",", ".")
try:
return float(s)
except ValueError:
return 0.0
def extract_invoice_items_pure_python(text):
items = []
lines = [line.strip() for line in text.split("\n") if line.strip()]
unit_pattern = re.compile(r"^(\d+(?:[\.,]\d+)?)\s*(Tag\(e\)|Std\.|Stk\.|Stunden|Stück|stk|stck|stück)$", re.IGNORECASE)
price_stop_pattern = re.compile(r"^[\d\.]+,[\d]{2}$")
for i, line in enumerate(lines):
match = unit_pattern.match(line)
if match:
raw_qty = match.group(1)
raw_unit = match.group(2)
raw_price = "0,00"
for k in range(1, 3):
if i + k < len(lines):
candidate = lines[i+k].replace("€", "").replace(" ", "").strip()
if re.match(r"^[\d.,]+$", candidate):
raw_price = candidate
break
desc_lines = []
for j in range(i - 1, -1, -1):
prev_line = lines[j]
if unit_pattern.match(prev_line) or price_stop_pattern.match(prev_line):
break
prev_lower = prev_line.lower()
if prev_lower in ["pos.", "pos", "bezeichnung", "beschreibung", "menge", "einheit", "einzelpreis", "gesamtpreis", "betrag €", "betrag", "artikel"]:
break
if any(prev_lower.startswith(w) for w in ["zwischensumme", "endbetrag", "gesamtbetrag", "umsatzsteuer"]):
break
if prev_line.isdigit() and len(prev_line) <= 2:
break
desc_lines.insert(0, prev_line)
description = " ".join(desc_lines).strip()
if description:
items.append({
"description": description,
"quantity": clean_german_float(raw_qty),
"unit": raw_unit,
"unit_price": clean_german_float(raw_price)
})
return items
def map_unece_unit_code(unit_str):
u = str(unit_str).lower()
if "tag" in u or "day" in u: return "DAY"
elif "std" in u or "stund" in u or "hour" in u or "hur" in u: return "HUR"
return "C62"
def parse_to_strict_xml_date(date_str):
if not date_str or str(date_str).strip() == "":
return ""
clean_str = str(date_str).strip()
for fmt in ("%Y-%m-%d", "%d.%m.%Y", "%d-%m-%Y"):
try: return datetime.strptime(clean_str, fmt).strftime("%Y-%m-%d")
except ValueError: continue
return datetime.today().strftime("%Y-%m-%d")
def generate_compliant_xrechnung(data):
INVOICE_NS = "urn:oasis:names:specification:ubl:schema:xsd:Invoice-2"
CBC = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2"
CAC = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2"
ET.register_namespace('ubl', INVOICE_NS)
ET.register_namespace('cbc', CBC)
ET.register_namespace('cac', CAC)
root = ET.Element(f"{{{INVOICE_NS}}}Invoice")
ET.SubElement(root, f"{{{CBC}}}CustomizationID").text = "urn:cen.eu:en16931:2017#compliant#urn:xeinkauf.de:kosit:xrechnung_3.0"
ET.SubElement(root, f"{{{CBC}}}ProfileID").text = "urn:fdc:peppol.eu:2017:poacc:billing:01:1.0"
ET.SubElement(root, f"{{{CBC}}}ID").text = str(data["invoice_number"])
ET.SubElement(root, f"{{{CBC}}}IssueDate").text = parse_to_strict_xml_date(data["invoice_date"])
try:
base_date = datetime.strptime(parse_to_strict_xml_date(data["invoice_date"]), "%Y-%m-%d")
computed_due = (base_date + timedelta(days=14)).strftime("%Y-%m-%d")
except Exception:
computed_due = (datetime.today() + timedelta(days=14)).strftime("%Y-%m-%d")
ET.SubElement(root, f"{{{CBC}}}DueDate").text = computed_due
ET.SubElement(root, f"{{{CBC}}}InvoiceTypeCode").text = "380"
if data.get("invoice_note") and str(data["invoice_note"]).strip() != "":
ET.SubElement(root, f"{{{CBC}}}Note").text = str(data["invoice_note"]).strip()
ET.SubElement(root, f"{{{CBC}}}DocumentCurrencyCode").text = "EUR"
ET.SubElement(root, f"{{{CBC}}}BuyerReference").text = str(data["buyer_reference"])
if data.get("service_start_date") and data.get("service_end_date"):
period_elem = ET.SubElement(root, f"{{{CAC}}}InvoicePeriod")
ET.SubElement(period_elem, f"{{{CBC}}}StartDate").text = parse_to_strict_xml_date(data["service_start_date"])
ET.SubElement(period_elem, f"{{{CBC}}}EndDate").text = parse_to_strict_xml_date(data["service_end_date"])
if data.get("order_id") and str(data["order_id"]).strip() != "":
order_ref = ET.SubElement(root, f"{{{CAC}}}OrderReference")
ET.SubElement(order_ref, f"{{{CBC}}}ID").text = str(data["order_id"]).strip()
if data.get("delivery_note_id") and str(data["delivery_note_id"]).strip() != "":
despatch_ref = ET.SubElement(root, f"{{{CAC}}}DespatchDocumentReference")
ET.SubElement(despatch_ref, f"{{{CBC}}}ID").text = str(data["delivery_note_id"]).strip()
if data.get("contract_id") and str(data["contract_id"]).strip() != "":
contract_ref = ET.SubElement(root, f"{{{CAC}}}ContractDocumentReference")
ET.SubElement(contract_ref, f"{{{CBC}}}ID").text = str(data["contract_id"]).strip()
vat_rate = float(data['vat_rate_percent'])
vat_category = "S" if vat_rate > 0.0 else "E"
# --- SENDER (SCITECH) ---
supplier = ET.SubElement(root, f"{{{CAC}}}AccountingSupplierParty")
party_supp = ET.SubElement(supplier, f"{{{CAC}}}Party")
ET.SubElement(party_supp, f"{{{CBC}}}EndpointID", {"schemeID": "EM"}).text = "office@scitech-gmbh.de"
party_name_supp = ET.SubElement(party_supp, f"{{{CAC}}}PartyName")
ET.SubElement(party_name_supp, f"{{{CBC}}}Name").text = "scitech it solutions GmbH"
addr_supp = ET.SubElement(party_supp, f"{{{CAC}}}PostalAddress")
ET.SubElement(addr_supp, f"{{{CBC}}}StreetName").text = "Hermann-Schumann-Str. 4"
ET.SubElement(addr_supp, f"{{{CBC}}}CityName").text = "Hennigsdorf"
ET.SubElement(addr_supp, f"{{{CBC}}}PostalZone").text = "16761"
country_supp = ET.SubElement(addr_supp, f"{{{CAC}}}Country")
ET.SubElement(country_supp, f"{{{CBC}}}IdentificationCode").text = "DE"
tax_scheme_supp = ET.SubElement(party_supp, f"{{{CAC}}}PartyTaxScheme")
ET.SubElement(tax_scheme_supp, f"{{{CBC}}}CompanyID").text = "DE218436692"
scheme_supp = ET.SubElement(tax_scheme_supp, f"{{{CAC}}}TaxScheme")
ET.SubElement(scheme_supp, f"{{{CBC}}}ID").text = "VAT"
legal_supp = ET.SubElement(party_supp, f"{{{CAC}}}PartyLegalEntity")
ET.SubElement(legal_supp, f"{{{CBC}}}RegistrationName").text = "scitech it solutions GmbH"
contact_supp = ET.SubElement(party_supp, f"{{{CAC}}}Contact")
ET.SubElement(contact_supp, f"{{{CBC}}}Name").text = "Geschäftsführung"
ET.SubElement(contact_supp, f"{{{CBC}}}Telephone").text = "+49 3302 4940537"
ET.SubElement(contact_supp, f"{{{CBC}}}ElectronicMail").text = "office@scitech-gmbh.de"
# --- RECIPIENT ---
customer = ET.SubElement(root, f"{{{CAC}}}AccountingCustomerParty")
party_cust = ET.SubElement(customer, f"{{{CAC}}}Party")
ET.SubElement(party_cust, f"{{{CBC}}}EndpointID", {"schemeID": "EM"}).text = str(data["recipient_email"]) if data.get("recipient_email") else "rechnung@kunde.de"
party_name_cust = ET.SubElement(party_cust, f"{{{CAC}}}PartyName")
ET.SubElement(party_name_cust, f"{{{CBC}}}Name").text = str(data["recipient_name"])
addr_cust = ET.SubElement(party_cust, f"{{{CAC}}}PostalAddress")
ET.SubElement(addr_cust, f"{{{CBC}}}StreetName").text = str(data["recipient_street"])
ET.SubElement(addr_cust, f"{{{CBC}}}CityName").text = str(data["recipient_city"])
ET.SubElement(addr_cust, f"{{{CBC}}}PostalZone").text = str(data["recipient_zip"])
country_cust = ET.SubElement(addr_cust, f"{{{CAC}}}Country")
ET.SubElement(country_cust, f"{{{CBC}}}IdentificationCode").text = "DE"
legal_cust = ET.SubElement(party_cust, f"{{{CAC}}}PartyLegalEntity")
ET.SubElement(legal_cust, f"{{{CBC}}}RegistrationName").text = str(data["recipient_name"])
if data.get("delivery_date"):
delivery = ET.SubElement(root, f"{{{CAC}}}Delivery")
ET.SubElement(delivery, f"{{{CBC}}}ActualDeliveryDate").text = parse_to_strict_xml_date(data["delivery_date"])
payment_means = ET.SubElement(root, f"{{{CAC}}}PaymentMeans")
ET.SubElement(payment_means, f"{{{CBC}}}PaymentMeansCode").text = "30"
payee_acc = ET.SubElement(payment_means, f"{{{CAC}}}PayeeFinancialAccount")
ET.SubElement(payee_acc, f"{{{CBC}}}ID").text = str(data["iban"]).replace(" ", "")
tax_total = ET.SubElement(root, f"{{{CAC}}}TaxTotal")
ET.SubElement(tax_total, f"{{{CBC}}}TaxAmount", {"currencyID": "EUR"}).text = f"{data['total_vat_amount']:.2f}"
tax_subtotal = ET.SubElement(tax_total, f"{{{CAC}}}TaxSubtotal")
ET.SubElement(tax_subtotal, f"{{{CBC}}}TaxableAmount", {"currencyID": "EUR"}).text = f"{data['total_net_amount']:.2f}"
ET.SubElement(tax_subtotal, f"{{{CBC}}}TaxAmount", {"currencyID": "EUR"}).text = f"{data['total_vat_amount']:.2f}"
tax_cat = ET.SubElement(tax_subtotal, f"{{{CAC}}}TaxCategory")
ET.SubElement(tax_cat, f"{{{CBC}}}ID").text = vat_category
ET.SubElement(tax_cat, f"{{{CBC}}}Percent").text = f"{vat_rate:.2f}"
tax_scheme = ET.SubElement(tax_cat, f"{{{CAC}}}TaxScheme")
ET.SubElement(tax_scheme, f"{{{CBC}}}ID").text = "VAT"
monetary_total = ET.SubElement(root, f"{{{CAC}}}LegalMonetaryTotal")
ET.SubElement(monetary_total, f"{{{CBC}}}LineExtensionAmount", {"currencyID": "EUR"}).text = f"{data['total_net_amount']:.2f}"
ET.SubElement(monetary_total, f"{{{CBC}}}TaxExclusiveAmount", {"currencyID": "EUR"}).text = f"{data['total_net_amount']:.2f}"
ET.SubElement(monetary_total, f"{{{CBC}}}TaxInclusiveAmount", {"currencyID": "EUR"}).text = f"{data['total_gross_amount']:.2f}"
ET.SubElement(monetary_total, f"{{{CBC}}}PayableAmount", {"currencyID": "EUR"}).text = f"{data['total_gross_amount']:.2f}"
for index, item in enumerate(data["items"], start=1):
line = ET.SubElement(root, f"{{{CAC}}}InvoiceLine")
ET.SubElement(line, f"{{{CBC}}}ID").text = str(index)
u_code = map_unece_unit_code(item.get("unit", "C62"))
q_val = float(item.get("quantity") or 0.0)
qty_formatted = f"{q_val:.4f}".rstrip('0').rstrip('.') if not q_val.is_integer() else f"{q_val:.2f}"
if qty_formatted == "" or qty_formatted == "0": qty_formatted = "0.00"
ET.SubElement(line, f"{{{CBC}}}InvoicedQuantity", {"unitCode": u_code}).text = qty_formatted
ET.SubElement(line, f"{{{CBC}}}LineExtensionAmount", {"currencyID": "EUR"}).text = f"{item['total_amount']:.2f}"
item_elem = ET.SubElement(line, f"{{{CAC}}}Item")
ET.SubElement(item_elem, f"{{{CBC}}}Name").text = str(item["description"])
item_tax = ET.SubElement(item_elem, f"{{{CAC}}}ClassifiedTaxCategory")
ET.SubElement(item_tax, f"{{{CBC}}}ID").text = vat_category
ET.SubElement(item_tax, f"{{{CBC}}}Percent").text = f"{vat_rate:.2f}"
item_scheme = ET.SubElement(item_tax, f"{{{CAC}}}TaxScheme")
ET.SubElement(item_scheme, f"{{{CBC}}}ID").text = "VAT"
price_elem = ET.SubElement(line, f"{{{CAC}}}Price")
ET.SubElement(price_elem, f"{{{CBC}}}PriceAmount", {"currencyID": "EUR"}).text = f"{item['unit_price']:.2f}"
xml_str = ET.tostring(root, encoding="utf-8")
return minidom.parseString(xml_str).toprettyxml(indent=" ")
# ==========================================
# 4. API CLIENT INITIALISIERUNG
# ==========================================
def get_cached_llm():
if "llm_instance" not in st.session_state:
llm_url = os.environ.get('VLLM_URL', 'http://10.192.0.140:8002')
llm_model = os.environ.get('LLM_MODEL', 'gemma431b')
llm_backend = os.environ.get('LLM_BACKEND', 'vllm')
st.session_state.llm_instance = LLMClient(backend_type=llm_backend, model=llm_model, base_url=llm_url)
return st.session_state.llm_instance
# ==========================================
# 5. STREAMLIT FRONTEND
# ==========================================
st.set_page_config(page_title="PDF zu E-Rechnung", layout="wide")
st.title("📄 PDF zu E-Rechnung Konverter")
llm = get_cached_llm()
col1, col2 = st.columns(2)
with col1:
st.subheader("1. Dokument hochladen")
uploaded_file = st.file_uploader("Wähle eine Rechnungs-PDF", type=["pdf"])
pdf_text = ""
if uploaded_file is not None:
doc = fitz.open(stream=uploaded_file.read(), filetype="pdf")
for page in doc:
pdf_text += page.get_text("text") + "\n"
st.success("PDF eingelesen!")
with st.expander("Gefundener Text"): st.text(pdf_text)
with col2:
st.subheader("2. Strukturierte Daten validieren")
if "extracted_data" not in st.session_state: st.session_state.extracted_data = None
if uploaded_file is not None and pdf_text.strip() != "":
if st.button("Daten extrahieren", width="stretch"):
with st.spinner("Extrahiere Daten über vLLM-API..."):
schema_dict = InvoiceMetadata.model_json_schema()
sys_prompt = (
"Du bist ein präziser OCR-Parser für deutsche B2B-Rechnungen. "
"Extrahiere die Metadaten fehlerfrei als valides JSON-Objekt. "
"Das JSON MUSS zwingend exakt folgende Schlüssel (Keys) enthalten:\n"
"- invoice_number\n"
"- invoice_date (im Format YYYY-MM-DD)\n"
"- delivery_date (im Format YYYY-MM-DD)\n"
"- buyer_reference\n"
"- recipient_name\n"
"- recipient_street\n"
"- recipient_zip\n"
"- recipient_city\n"
"- recipient_email\n"
"- vat_rate_percent (als Zahl, z.B. 19.0)\n"
"- delivery_note_id (Lieferscheinnummer vor Position 1, falls vorhanden)\n"
"- order_id (Auftragsbestätigung/Bestellnummer vor Position 1, falls vorhanden)\n"
"- contract_id (Vergabeangebot/Vertragsreferenz vor Position 1, falls vorhanden)\n"
"- service_start_date (Leistungszeitraum Start vor Position 1, Format YYYY-MM-DD)\n"
"- service_end_date (Leistungszeitraum Ende vor Position 1, Format YYYY-MM-DD)\n"
"- invoice_note (Sämtlicher unstrukturierter Fließtext, Projektbeschreibungen oder Abnahmekriterien vor Position 1)\n\n"
"WICHTIGE REGEL: Analysiere den Text direkt VOR der ersten Tabellenposition '1'. "
"Sortiere alle dort vorlaufenden Zeilen vollständig in die dafür vorgesehenen ID-, Datums- und Freitext-Felder ein. "
"Schreibe diese vorlaufenden Metadaten NIEMALS in die Beschreibung der ersten Position hinein!\n\n"
"Antworte ausschließlich mit dem reinen JSON-Objekt. Schreibe keinen anderen Text."
)
prompt_meta = f"Rechnungstext:\n{pdf_text}"
res_meta_text = llm.chat(
prompt=prompt_meta,
system_prompt=sys_prompt,
temperature=0.0,
json_schema=schema_dict
)
clean_json_text = res_meta_text.strip()
backtick_trigger = chr(96) * 3
if clean_json_text.startswith(backtick_trigger):
lines = clean_json_text.splitlines()
if lines[0].startswith(backtick_trigger):
lines = lines[1:]
if lines and lines[-1].startswith(backtick_trigger):
lines = lines[:-1]
clean_json_text = "\n".join(lines).strip()
try:
final_data = json.loads(clean_json_text)
except Exception as e:
st.error(f"Fehler beim Parsen der API-Antwort: {e}")
st.code(res_meta_text)
st.stop()
if final_data.get("recipient_email") == "office@scitech-gmbh.de":
final_data["recipient_email"] = ""
# Zeilenbasiertes Python-Parsing für die Tabelle (stoppt nun korrekt dank 'break' bei Positionsnummern)
final_data["items"] = extract_invoice_items_pure_python(pdf_text)
st.session_state.extracted_data = final_data
if st.session_state.extracted_data:
data = st.session_state.extracted_data
# Standard Rechnungsdaten
inv_num = st.text_input("Rechnungsnummer", value=data.get("invoice_number", ""))
inv_date = st.text_input("Rechnungsdatum (YYYY-MM-DD)", value=data.get("invoice_date", ""))
inv_delivery = st.text_input("Lieferdatum (YYYY-MM-DD)", value=data.get("delivery_date", ""))
buyer_ref = st.text_input("Ihr Auftrag / Referenz", value=data.get("buyer_reference", ""))
# UI-Eingabefelder für die Daten vor Position 1
st.markdown("---")
st.markdown("🔗 **Globale Referenzen & Vorlauftexte (Vor Position 1):**")
c_ref1, c_ref2, c_ref3 = st.columns(3)
with c_ref1:
dn_id = st.text_input("Lieferscheinnummer (BT-16)", value=data.get("delivery_note_id", ""))
with c_ref2:
o_id = st.text_input("Auftragsbestätigung / Bestellung (BT-13)", value=data.get("order_id", ""))
with c_ref3:
c_id = st.text_input("Vertrag / Vergabeangebot (BT-12)", value=data.get("contract_id", ""))
c_p1, c_p2 = st.columns(2)
with c_p1:
s_start = st.text_input("Leistungszeitraum Start (YYYY-MM-DD)", value=data.get("service_start_date", ""))
with c_p2:
s_end = st.text_input("Leistungszeitraum Ende (YYYY-MM-DD)", value=data.get("service_end_date", ""))
i_note = st.text_area("Globale Rechnungserläuterung / Freitext (BT-22)", value=data.get("invoice_note", ""), height=150)
st.markdown("---")
# Adressdaten
c_s, c_r = st.columns(2)
with c_s:
st.markdown("**Absender (Verkäufer):**")
st.text_input("Firma (Sender)", value="scitech it solutions GmbH", disabled=True)
st.text_input("E-Mail (Sender)", value="office@scitech-gmbh.de", disabled=True)
st.text_input("Telefon (Sender)", value="+49 3302 4940537", disabled=True)
st.text_input("Straße (Sender)", value="Hermann-Schumann-Str. 4", disabled=True)
st.text_input("PLZ (Sender)", value="16761", disabled=True)
st.text_input("Stadt (Sender)", value="Hennigsdorf", disabled=True)
with c_r:
st.markdown("**Empfänger (Kunde):**")
r_name = st.text_input("Firma (Kunde)", value=data.get("recipient_name", ""))
r_email = st.text_input("E-Mail (Kunde)", value=data.get("recipient_email", ""))
r_street = st.text_input("Straße (Kunde)", value=data.get("recipient_street", ""))
r_zip = st.text_input("PLZ (Kunde)", value=data.get("recipient_zip", ""))
r_city = st.text_input("Stadt (Kunde)", value=data.get("recipient_city", ""))
st.markdown("**3. Positionen:**")
# Vorab-Berechnung der Zeilensummen, damit die Spalte direkt befüllt dargestellt wird
items_to_show = data.get("items", [])
for item in items_to_show:
if "total_amount" not in item:
raw_total = float(item.get("quantity") or 0.0) * float(item.get("unit_price") or 0.0)
item["total_amount"] = kaufmaennisches_runden(raw_total)
# 🔥 UI-REPARATUR: Erzwingt die volle Bildschirmbreite & weist Spaltenbreiten fest zu, um horizontales Scrollen zu eliminieren
edited_items = st.data_editor(
items_to_show,
num_rows="dynamic",
use_container_width=True, # Füllt den Container komplett aus
column_config={
"description": st.column_config.TextColumn("Bezeichnung / Beschreibung (BT-153)", width="large", required=True),
"quantity": st.column_config.NumberColumn("Menge", width="small", min_value=0.0, format="%.4f"),
"unit": st.column_config.TextColumn("Einheit", width="small"),
"unit_price": st.column_config.NumberColumn("Einzelpreis (€)", width="small", format="%.2f"),
"total_amount": st.column_config.NumberColumn("Gesamtbetrag (€)", width="small", format="%.2f", disabled=True)
}
)
vat_rate = st.number_input("Steuersatz (%)", value=float(data.get("vat_rate_percent") or 19.0))
for item in edited_items:
raw_total = float(item.get("quantity") or 0.0) * float(item.get("unit_price") or 0.0)
item["total_amount"] = kaufmaennisches_runden(raw_total)
computed_net_amount = sum(item["total_amount"] for item in edited_items)
raw_vat_amount = computed_net_amount * (vat_rate / 100.0)
computed_vat_amount = kaufmaennisches_runden(raw_vat_amount)
computed_gross_amount = kaufmaennisches_runden(computed_net_amount + computed_vat_amount)
st.markdown("**Berechnete Summen:**")
c_net_ui, c_vat_ui, c_gross_ui = st.columns(3)
with c_net_ui: st.metric("Netto-Gesamt (€)", f"{computed_net_amount:.2f}")
with c_vat_ui: st.metric("MwSt-Gesamt (€)", f"{computed_vat_amount:.2f}")
with c_gross_ui: st.metric("Brutto-Zahlbetrag (€)", f"{computed_gross_amount:.2f}")
st.markdown("---")
if st.button("🔒 XRechnung exportieren", type="primary", width="stretch"):
final_invoice_dict = {
"invoice_number": inv_num, "invoice_date": inv_date, "delivery_date": inv_delivery,
"buyer_reference": buyer_ref, "recipient_name": r_name, "recipient_email": r_email,
"recipient_street": r_street, "recipient_zip": r_zip, "recipient_city": r_city,
"items": edited_items, "total_net_amount": computed_net_amount, "total_vat_amount": computed_vat_amount,
"vat_rate_percent": vat_rate, "total_gross_amount": computed_gross_amount, "iban": "DE06120700240456207000",
# Neue Felder für den XML-Builder anhängen
"delivery_note_id": dn_id,
"order_id": o_id,
"contract_id": c_id,
"service_start_date": s_start,
"service_end_date": s_end,
"invoice_note": i_note
}
st.download_button(label="📥 Download XML", data=generate_compliant_xrechnung(final_invoice_dict), file_name=f"XRechnung_{inv_num}.xml", mime="text/xml")
# ==========================================
# DYNAMISCHER FOOTER
# ==========================================
st.markdown("---")
st.caption(
"**Hinweise:**\n\n"
"**Human-in-the-Loop:** "
"Das Tool dient als Automations-Assistent. Vor dem finalen XML-Export ist eine visuelle Endkontrolle der extrahierten Daten "
"(insbesondere Rechnungsnummer und Empfängeradresse) durch den Sachbearbeiter zwingend erforderlich, um KI-Fehlinterpretationen auszuschließen.\n\n"
"**GoBD-Konformität:** "
"Das Tool generiert ausschließlich das strukturierte XML-Format. Für die Einhaltung der GoBD-Richtlinien "
"(u. a. die revisionssichere Archivierung der Original-PDF sowie der generierten XML-Datei über den gesetzlichen Zeitraum von 10 Jahren) "
"ist der Betreiber der Software selbst verantwortlich. \n\n"
)