621 lines
31 KiB
Python
621 lines
31 KiB
Python
import os
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import streamlit as st
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import json
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import re
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import xml.etree.ElementTree as ET
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from xml.dom import minidom
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from datetime import datetime, timedelta
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from decimal import Decimal, ROUND_HALF_UP
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import fitz
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import requests
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from pydantic import BaseModel, Field
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# ==========================================
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# 0. SITZUNGS-STATUS INITIALISIEREN (ZÄHLER GEGEN WIDGET-CACHING)
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# ==========================================
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if "invoice_counter" not in st.session_state:
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st.session_state.invoice_counter = 0
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# ==========================================
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# 1. API-CLIENT FÜR DAS vLLM-BACKEND
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# ==========================================
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class LLMClient:
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"""Client für das vLLM-Backend (OpenAI-kompatibel) mit JSON-Schema-Unterstützung."""
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def __init__(self, model="gemma431b", base_url="http://10.192.0.140:8002"):
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self.model = model
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base_url = base_url.strip()
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if base_url.startswith("[") and ")" in base_url:
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match = re.search(r"\((https?://.*?)\)", base_url)
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if match:
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base_url = match.group(1)
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self.base_url = base_url.rstrip("/")
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def chat(self, prompt, system_prompt="You are a helpful assistant.", temperature=0.0, json_schema=None):
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messages = [
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{"role": "system", "content": system_prompt},
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{"role": "user", "content": prompt}
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]
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return self._openai_compatible_request(messages, temperature, json_schema)
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def _openai_compatible_request(self, messages, temperature, json_schema):
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url = f"{self.base_url}/v1/chat/completions"
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payload = {
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"model": self.model,
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"messages": messages,
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"temperature": temperature
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}
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if json_schema:
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payload["guided_json"] = json.dumps(json_schema) if isinstance(json_schema, dict) else json_schema
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try:
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response = requests.post(url, json=payload, timeout=120)
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response.raise_for_status()
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data = response.json()
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return data.get("choices", [{}])[0].get("message", {}).get("content", "")
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except Exception as e:
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return f"vLLM/OpenAI Error: {e}"
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# ==========================================
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# 2. METADATEN SCHREIBSCHEMA
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# ==========================================
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class InvoiceMetadata(BaseModel):
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invoice_number: str = Field(description="Die Rechnungsnummer nach 'Nummer:' (z.B. R26-219)")
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invoice_date: str = Field(description="Das Rechnungsdatum nach 'Datum:' im Format YYYY-MM-DD")
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delivery_date: str = Field(description="Das Lieferdatum nach 'Lieferdatum:' im Format YYYY-MM-DD")
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buyer_reference: str = Field(description="Der exakte Wert nach 'Ihr Auftrag:' (z.B. 05.06.2026-Herr.Knospe)")
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recipient_name: str = Field(description="Vollständige Firma des Kunden/Empfängers (z.B. Stadtwerke Hennigsdorf GmbH)")
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recipient_street: str = Field(description="Straße und Hausnummer des Kunden")
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recipient_zip: str = Field(description="Postleitzahl (PLZ) des Kunden")
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recipient_city: str = Field(description="Stadt des Kunden")
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recipient_email: str = Field(description="E-Mail-Adresse des Kunden (LEER lassen, wenn nicht explizit im Text!)")
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vat_rate_percent: float = Field(description="Der primäre Umsatzsteuersatz in Prozent (z.B. 19.0)")
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delivery_note_id: str = Field(default="", description="Gefundene Lieferscheinnummer (z.B. LS26-035) VOR Position 1. Sonst leer lassen.")
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order_id: str = Field(default="", description="Gefundene Nummer der Auftragsbestätigung oder Bestellung (z.B. AB26-080) VOR Position 1. Sonst leer lassen.")
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contract_id: str = Field(default="", description="Gefundene Nummer von Vergabeangebot, Vertrag oder Ausschreibung (z.B. AN26-130) VOR Position 1. Sonst leer lassen.")
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service_start_date: str = Field(default="", description="Startdatum eines explizit genannten Einsatz- oder Leistungszeitraums VOR Position 1 im Format YYYY-MM-DD. Sonst leer.")
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service_end_date: str = Field(default="", description="Enddatum eines explizit genannten Einsatz- oder Leistungszeitraums VOR Position 1 im Format YYYY-MM-DD. Sonst leer.")
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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.")
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# ==========================================
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# 3. MATHEMATISCHE & PARSING-FUNKTIONEN
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# ==========================================
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def kaufmaennisches_runden(betrag, nachkommastellen=2):
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if not betrag:
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return 0.0
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quantizer = Decimal('1.' + '0' * nachkommastellen)
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return float(Decimal(f"{betrag:.6f}").quantize(quantizer, rounding=ROUND_HALF_UP))
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def clean_german_float(val_str):
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if not val_str:
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return 0.0
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s = str(val_str).strip().replace("€", "").replace(" ", "").replace("'", "").replace("\n", "").replace("\r", "")
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if not s:
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return 0.0
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if "." in s and "," in s:
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s = s.replace(".", "").replace(",", ".")
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elif "," in s:
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s = s.replace(",", ".")
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try:
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return float(s)
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except ValueError:
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return 0.0
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def extract_invoice_items_pure_python(text):
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items = []
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lines = [line.strip() for line in text.split("\n") if line.strip()]
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unit_pattern = re.compile(r"^(\d+(?:[\.,]\d+)?)\s*(Tag\(e\)|Std\.|Stk\.|Stunden|Stück|stk|stck|stück)$", re.IGNORECASE)
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price_stop_pattern = re.compile(r"^[\d\.]+,[\d]{2}$")
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for i, line in enumerate(lines):
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match = unit_pattern.match(line)
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if match:
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raw_qty = match.group(1)
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raw_unit = match.group(2)
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raw_price = "0,00"
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for k in range(1, 3):
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if i + k < len(lines):
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candidate = lines[i+k].replace("€", "").replace(" ", "").strip()
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if re.match(r"^[\d.,]+$", candidate):
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raw_price = candidate
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break
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desc_lines = []
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for j in range(i - 1, -1, -1):
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prev_line = lines[j]
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if unit_pattern.match(prev_line) or price_stop_pattern.match(prev_line):
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break
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prev_lower = prev_line.lower()
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if prev_lower in ["pos.", "pos", "bezeichnung", "beschreibung", "menge", "einheit", "einzelpreis", "gesamtpreis", "betrag €", "betrag", "artikel"]:
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break
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if any(prev_lower.startswith(w) for w in ["zwischensumme", "endbetrag", "gesamtbetrag", "umsatzsteuer"]):
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break
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if prev_line.isdigit() and len(prev_line) <= 2:
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break
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desc_lines.insert(0, prev_line)
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if desc_lines:
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item_name = desc_lines[0].strip()
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item_description = " ".join(desc_lines[1:]).strip() if len(desc_lines) > 1 else ""
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items.append({
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"name": item_name,
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"description": item_description,
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"quantity": clean_german_float(raw_qty),
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"unit": raw_unit,
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"unit_price": clean_german_float(raw_price)
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})
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return items
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def map_unece_unit_code(unit_str):
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u = str(unit_str).lower()
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if "tag" in u or "day" in u: return "DAY"
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elif "std" in u or "stund" in u or "hour" in u or "hur" in u: return "HUR"
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return "C62"
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def parse_to_strict_xml_date(date_str):
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if not date_str or str(date_str).strip() == "":
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return ""
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clean_str = str(date_str).strip()
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for fmt in ("%Y-%m-%d", "%d.%m.%Y", "%d-%m-%Y"):
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try: return datetime.strptime(clean_str, fmt).strftime("%Y-%m-%d")
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except ValueError: continue
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return datetime.today().strftime("%Y-%m-%d")
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def generate_compliant_xrechnung(data):
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INVOICE_NS = "urn:oasis:names:specification:ubl:schema:xsd:Invoice-2"
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CBC = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2"
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CAC = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2"
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ET.register_namespace('ubl', INVOICE_NS)
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ET.register_namespace('cbc', CBC)
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ET.register_namespace('cac', CAC)
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root = ET.Element(f"{{{INVOICE_NS}}}Invoice")
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ET.SubElement(root, f"{{{CBC}}}CustomizationID").text = "urn:cen.eu:en16931:2017#compliant#urn:xeinkauf.de:kosit:xrechnung_3.0"
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ET.SubElement(root, f"{{{CBC}}}ProfileID").text = "urn:fdc:peppol.eu:2017:poacc:billing:01:1.0"
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ET.SubElement(root, f"{{{CBC}}}ID").text = str(data["invoice_number"])
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ET.SubElement(root, f"{{{CBC}}}IssueDate").text = parse_to_strict_xml_date(data["invoice_date"])
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try:
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base_date = datetime.strptime(parse_to_strict_xml_date(data["invoice_date"]), "%Y-%m-%d")
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computed_due = (base_date + timedelta(days=14)).strftime("%Y-%m-%d")
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except Exception:
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computed_due = (datetime.today() + timedelta(days=14)).strftime("%Y-%m-%d")
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ET.SubElement(root, f"{{{CBC}}}DueDate").text = computed_due
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ET.SubElement(root, f"{{{CBC}}}InvoiceTypeCode").text = str(data.get("invoice_type_code", "380"))
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if data.get("invoice_note") and str(data["invoice_note"]).strip() != "":
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ET.SubElement(root, f"{{{CBC}}}Note").text = str(data["invoice_note"]).strip()
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ET.SubElement(root, f"{{{CBC}}}DocumentCurrencyCode").text = "EUR"
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ET.SubElement(root, f"{{{CBC}}}BuyerReference").text = str(data["buyer_reference"])
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if data.get("service_start_date") and data.get("service_end_date"):
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period_elem = ET.SubElement(root, f"{{{CAC}}}InvoicePeriod")
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ET.SubElement(period_elem, f"{{{CBC}}}StartDate").text = parse_to_strict_xml_date(data["service_start_date"])
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ET.SubElement(period_elem, f"{{{CBC}}}EndDate").text = parse_to_strict_xml_date(data["service_end_date"])
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if data.get("order_id") and str(data["order_id"]).strip() != "":
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order_ref = ET.SubElement(root, f"{{{CAC}}}OrderReference")
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ET.SubElement(order_ref, f"{{{CBC}}}ID").text = str(data["order_id"]).strip()
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if data.get("delivery_note_id") and str(data["delivery_note_id"]).strip() != "":
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despatch_ref = ET.SubElement(root, f"{{{CAC}}}DespatchDocumentReference")
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ET.SubElement(despatch_ref, f"{{{CBC}}}ID").text = str(data["delivery_note_id"]).strip()
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if data.get("contract_id") and str(data["contract_id"]).strip() != "":
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contract_ref = ET.SubElement(root, f"{{{CAC}}}ContractDocumentReference")
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ET.SubElement(contract_ref, f"{{{CBC}}}ID").text = str(data["contract_id"]).strip()
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vat_rate = float(data['vat_rate_percent'])
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vat_category = "S" if vat_rate > 0.0 else "E"
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# --- SENDER (SCITECH) ---
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supplier = ET.SubElement(root, f"{{{CAC}}}AccountingSupplierParty")
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party_supp = ET.SubElement(supplier, f"{{{CAC}}}Party")
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ET.SubElement(party_supp, f"{{{CBC}}}EndpointID", {"schemeID": "EM"}).text = "office@scitech-gmbh.de"
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party_name_supp = ET.SubElement(party_supp, f"{{{CAC}}}PartyName")
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ET.SubElement(party_name_supp, f"{{{CBC}}}Name").text = "scitech it solutions GmbH"
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addr_supp = ET.SubElement(party_supp, f"{{{CAC}}}PostalAddress")
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ET.SubElement(addr_supp, f"{{{CBC}}}StreetName").text = "Hermann-Schumann-Str. 4"
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ET.SubElement(addr_supp, f"{{{CBC}}}CityName").text = "Hennigsdorf"
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ET.SubElement(addr_supp, f"{{{CBC}}}PostalZone").text = "16761"
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country_supp = ET.SubElement(addr_supp, f"{{{CAC}}}Country")
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ET.SubElement(country_supp, f"{{{CBC}}}IdentificationCode").text = "DE"
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tax_scheme_supp = ET.SubElement(party_supp, f"{{{CAC}}}PartyTaxScheme")
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ET.SubElement(tax_scheme_supp, f"{{{CBC}}}CompanyID").text = "DE218436692"
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scheme_supp = ET.SubElement(tax_scheme_supp, f"{{{CAC}}}TaxScheme")
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ET.SubElement(scheme_supp, f"{{{CBC}}}ID").text = "VAT"
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legal_supp = ET.SubElement(party_supp, f"{{{CAC}}}PartyLegalEntity")
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ET.SubElement(legal_supp, f"{{{CBC}}}RegistrationName").text = "scitech it solutions GmbH"
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contact_supp = ET.SubElement(party_supp, f"{{{CAC}}}Contact")
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ET.SubElement(contact_supp, f"{{{CBC}}}Name").text = "Geschäftsführung"
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ET.SubElement(contact_supp, f"{{{CBC}}}Telephone").text = "+49 3302 4940537"
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ET.SubElement(contact_supp, f"{{{CBC}}}ElectronicMail").text = "office@scitech-gmbh.de"
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# --- Empfänger ---
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customer = ET.SubElement(root, f"{{{CAC}}}AccountingCustomerParty")
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party_cust = ET.SubElement(customer, f"{{{CAC}}}Party")
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ET.SubElement(party_cust, f"{{{CBC}}}EndpointID", {"schemeID": "EM"}).text = str(data["recipient_email"]) if data.get("recipient_email") else "rechnung@kunde.de"
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party_name_cust = ET.SubElement(party_cust, f"{{{CAC}}}PartyName")
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ET.SubElement(party_name_cust, f"{{{CBC}}}Name").text = str(data["recipient_name"])
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addr_cust = ET.SubElement(party_cust, f"{{{CAC}}}PostalAddress")
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ET.SubElement(addr_cust, f"{{{CBC}}}StreetName").text = str(data["recipient_street"])
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ET.SubElement(addr_cust, f"{{{CBC}}}CityName").text = str(data["recipient_city"])
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ET.SubElement(addr_cust, f"{{{CBC}}}PostalZone").text = str(data["recipient_zip"])
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country_cust = ET.SubElement(addr_cust, f"{{{CAC}}}Country")
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ET.SubElement(country_cust, f"{{{CBC}}}IdentificationCode").text = "DE"
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legal_cust = ET.SubElement(party_cust, f"{{{CAC}}}PartyLegalEntity")
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ET.SubElement(legal_cust, f"{{{CBC}}}RegistrationName").text = str(data["recipient_name"])
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if data.get("delivery_date"):
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delivery = ET.SubElement(root, f"{{{CAC}}}Delivery")
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ET.SubElement(delivery, f"{{{CBC}}}ActualDeliveryDate").text = parse_to_strict_xml_date(data["delivery_date"])
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payment_means = ET.SubElement(root, f"{{{CAC}}}PaymentMeans")
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ET.SubElement(payment_means, f"{{{CBC}}}PaymentMeansCode").text = "30"
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payee_acc = ET.SubElement(payment_means, f"{{{CAC}}}PayeeFinancialAccount")
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ET.SubElement(payee_acc, f"{{{CBC}}}ID").text = str(data["iban"]).replace(" ", "")
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tax_total = ET.SubElement(root, f"{{{CAC}}}TaxTotal")
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ET.SubElement(tax_total, f"{{{CBC}}}TaxAmount", {"currencyID": "EUR"}).text = f"{data['total_vat_amount']:.2f}"
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tax_subtotal = ET.SubElement(tax_total, f"{{{CAC}}}TaxSubtotal")
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ET.SubElement(tax_subtotal, f"{{{CBC}}}TaxableAmount", {"currencyID": "EUR"}).text = f"{data['total_net_amount']:.2f}"
|
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ET.SubElement(tax_subtotal, f"{{{CBC}}}TaxAmount", {"currencyID": "EUR"}).text = f"{data['total_vat_amount']:.2f}"
|
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tax_cat = ET.SubElement(tax_subtotal, f"{{{CAC}}}TaxCategory")
|
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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"
|
||
|
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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.get("name", "Dienstleistung"))
|
||
|
||
if item.get("description") and str(item["description"]).strip() != "":
|
||
ET.SubElement(item_elem, f"{{{CBC}}}Description").text = str(item["description"]).strip()
|
||
|
||
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')
|
||
st.session_state.llm_instance = LLMClient(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:
|
||
pdf_data = uploaded_file.getvalue()
|
||
doc = fitz.open(stream=pdf_data, 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\n"
|
||
"- order_id\n"
|
||
"- contract_id\n"
|
||
"- service_start_date\n"
|
||
"- service_end_date\n"
|
||
"- invoice_note\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"] = ""
|
||
|
||
final_data["items"] = extract_invoice_items_pure_python(pdf_text)
|
||
|
||
st.session_state.invoice_counter += 1
|
||
st.session_state.extracted_data = final_data
|
||
|
||
if st.session_state.extracted_data:
|
||
data = st.session_state.extracted_data
|
||
|
||
# --- BT-3 RECHNUNGSTYP DROPDOWN-MENÜ ---
|
||
inv_type_ui = st.selectbox(
|
||
"Rechnungstyp (BT-3)",
|
||
options=["380 (Handelsrechnung)", "381 (Gutschrift)", "384 (Korrekturrechnung)"],
|
||
index=0,
|
||
help="Bestimmt den steuerrechtlichen Belegtyp im XML-Header."
|
||
)
|
||
selected_type_code = inv_type_ui.split(" ")[0]
|
||
|
||
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 (BT-22 etc.)
|
||
st.markdown("---")
|
||
st.markdown("**Globale Referenzen & Vorlauftexte:**")
|
||
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")
|
||
|
||
if st.button("➕ Neue Position hinzufügen"):
|
||
data["items"].append({"name": "Neue Dienstleistung", "description": "", "quantity": 1.0, "unit": "Stk.", "unit_price": 0.0})
|
||
st.rerun()
|
||
|
||
edited_items = []
|
||
|
||
inv_id = st.session_state.invoice_counter
|
||
|
||
for idx, item in enumerate(data.get("items", [])):
|
||
with st.expander(f"📋 Position {idx+1}: {item.get('name', 'Dienstleistung')}", expanded=True):
|
||
|
||
c_del, _ = st.columns([1, 4])
|
||
with c_del:
|
||
if st.button("🗑️ Position löschen", key=f"del_btn_{inv_id}_{idx}"):
|
||
data["items"].pop(idx)
|
||
st.rerun()
|
||
|
||
c_name, c_desc = st.columns([1, 1])
|
||
with c_name:
|
||
item_name = st.text_input("Artikelname (BT-153)", value=item.get("name", ""), key=f"item_name_{inv_id}_{idx}")
|
||
with c_desc:
|
||
desc_text = item.get("description", "")
|
||
estimated_lines = desc_text.count("\n") + (len(desc_text) // 45) + 1
|
||
calc_height = max(68, min(400, estimated_lines * 24))
|
||
|
||
item_description = st.text_area("Zusatzbeschreibung (BT-154)", value=desc_text, key=f"item_desc_{inv_id}_{idx}", height=calc_height)
|
||
|
||
c_qty, c_unit, c_price, c_total = st.columns(4)
|
||
with c_qty:
|
||
item_quantity = st.number_input("Menge", value=float(item.get("quantity") or 0.0), format="%.3f", step=0.1, key=f"item_qty_{inv_id}_{idx}")
|
||
with c_unit:
|
||
item_unit = st.text_input("Einheit", value=item.get("unit", "Stk."), key=f"item_unit_{inv_id}_{idx}")
|
||
with c_price:
|
||
item_price = st.number_input("Einzelpreis (€)", value=float(item.get("unit_price") or 0.0), format="%.2f", key=f"item_price_{inv_id}_{idx}")
|
||
with c_total:
|
||
raw_item_total = item_quantity * item_price
|
||
item_total_amount = kaufmaennisches_runden(raw_item_total)
|
||
st.markdown("**Gesamt betrag (€):**")
|
||
st.markdown(f"**{item_total_amount:.2f} €**")
|
||
|
||
edited_items.append({
|
||
"name": item_name,
|
||
"description": item_description,
|
||
"quantity": item_quantity,
|
||
"unit": item_unit,
|
||
"unit_price": item_price,
|
||
"total_amount": item_total_amount
|
||
})
|
||
|
||
st.markdown("---")
|
||
vat_rate = st.number_input("Steuersatz (%)", value=float(data.get("vat_rate_percent") or 19.0))
|
||
|
||
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}")
|
||
|
||
# --- EXPORT-SEKTION FÜR ZUGFeRD ODER XRECHNUNG ---
|
||
st.markdown("---")
|
||
export_format = st.selectbox(
|
||
"💾 Export-Format wählen",
|
||
options=["XRechnung (Reines XML)", "ZUGFeRD (Hybrid-PDF mit eingebettetem XML)"],
|
||
help="XRechnung generiert eine reine XML-Datei. ZUGFeRD bettet dieses XML direkt in dein originales PDF-Dokument ein."
|
||
)
|
||
|
||
final_invoice_dict = {
|
||
"invoice_type_code": selected_type_code,
|
||
"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",
|
||
"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
|
||
}
|
||
|
||
xml_string = generate_compliant_xrechnung(final_invoice_dict)
|
||
|
||
if export_format == "XRechnung (Reines XML)":
|
||
st.download_button(
|
||
label="📥 XRechnung XML herunterladen",
|
||
data=xml_string,
|
||
file_name=f"XRechnung_{inv_num}.xml",
|
||
mime="text/xml",
|
||
type="primary",
|
||
use_container_width=True
|
||
)
|
||
else:
|
||
try:
|
||
# 🔥 FIX: mime-Parameter entfernt, da von PyMuPDF nicht unterstützt
|
||
original_pdf_bytes = uploaded_file.getvalue()
|
||
doc = fitz.open(stream=original_pdf_bytes, filetype="pdf")
|
||
doc.embfile_add(
|
||
"factur-x.xml",
|
||
xml_string.encode("utf-8"),
|
||
filename="factur-x.xml",
|
||
desc="Factur-X/ZUGFeRD E-Invoice"
|
||
)
|
||
zugferd_pdf_bytes = doc.tobytes()
|
||
doc.close()
|
||
|
||
st.download_button(
|
||
label="📥 ZUGFeRD Hybrid-PDF herunterladen",
|
||
data=zugferd_pdf_bytes,
|
||
file_name=f"ZUGFeRD_{inv_num}.pdf",
|
||
mime="application/pdf",
|
||
type="primary",
|
||
use_container_width=True
|
||
)
|
||
except Exception as e:
|
||
st.error(f"Fehler bei der ZUGFeRD-Generierung: {e}")
|
||
|
||
# ==========================================
|
||
# 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.\n\n"
|
||
"**GoBD-Konformität:** "
|
||
"Das Tool generiert ausschließlich das strukturierte XML-Format. Für die Einhaltung der GoBD-Richtlinien "
|
||
"ist der Betreiber der Software selbst verantwortlich. \n\n"
|
||
) |