621 lines
27 KiB
Python
621 lines
27 KiB
Python
"""
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Document Sync Utilities
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Hilfsfunktionen für Document-Synchronisation mit xAI:
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- Distributed locking via Redis + syncStatus
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- Entscheidungslogik: Wann muss ein Document zu xAI?
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- Related Entities ermitteln (Many-to-Many Attachments)
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- xAI Collection Management
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"""
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from typing import Dict, Any, Optional, List, Tuple
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from datetime import datetime, timedelta
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import logging
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from services.sync_utils_base import BaseSyncUtils
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logger = logging.getLogger(__name__)
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# Max retry before permanent failure
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MAX_SYNC_RETRIES = 5
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# Retry backoff: Wartezeit zwischen Retries (in Minuten)
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RETRY_BACKOFF_MINUTES = [1, 5, 15, 60, 240] # 1min, 5min, 15min, 1h, 4h
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class DocumentSync(BaseSyncUtils):
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"""Utility-Klasse für Document-Synchronisation mit xAI"""
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def _get_lock_key(self, entity_id: str) -> str:
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"""Redis Lock-Key für Documents"""
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return f"sync_lock:document:{entity_id}"
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async def acquire_sync_lock(self, entity_id: str, entity_type: str = 'CDokumente') -> bool:
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"""
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Atomic distributed lock via Redis + syncStatus update
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Args:
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entity_id: EspoCRM Document ID
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entity_type: Entity-Type (CDokumente oder Document)
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Returns:
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True wenn Lock erfolgreich, False wenn bereits im Sync
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"""
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try:
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# STEP 1: Atomic Redis lock (prevents race conditions)
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lock_key = self._get_lock_key(entity_id)
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if not self._acquire_redis_lock(lock_key):
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self._log(f"Redis lock bereits aktiv für {entity_type} {entity_id}", level='warn')
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return False
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# STEP 2: Update xaiSyncStatus auf pending_sync
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try:
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await self.espocrm.update_entity(entity_type, entity_id, {
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'xaiSyncStatus': 'pending_sync'
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})
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except Exception as e:
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self._log(f"Konnte xaiSyncStatus nicht setzen: {e}", level='debug')
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self._log(f"Sync-Lock für {entity_type} {entity_id} erworben")
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return True
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except Exception as e:
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self._log(f"Fehler beim Acquire Lock: {e}", level='error')
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# Clean up Redis lock on error
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lock_key = self._get_lock_key(entity_id)
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self._release_redis_lock(lock_key)
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return False
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async def release_sync_lock(
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self,
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entity_id: str,
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success: bool = True,
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error_message: Optional[str] = None,
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extra_fields: Optional[Dict[str, Any]] = None,
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entity_type: str = 'CDokumente'
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) -> None:
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"""
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Gibt Sync-Lock frei und setzt finalen Status
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Args:
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entity_id: EspoCRM Document ID
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success: Ob Sync erfolgreich war
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error_message: Optional: Fehlermeldung
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extra_fields: Optional: Zusätzliche Felder (z.B. xaiFileId, xaiCollections)
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entity_type: Entity-Type (CDokumente oder Document)
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"""
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try:
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update_data = {}
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# xaiSyncStatus setzen: clean bei Erfolg, failed bei Fehler
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try:
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update_data['xaiSyncStatus'] = 'clean' if success else 'failed'
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if error_message:
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update_data['xaiSyncError'] = error_message[:2000]
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else:
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update_data['xaiSyncError'] = None
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except:
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pass # Felder existieren evtl. nicht
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# Merge extra fields (z.B. xaiFileId, xaiCollections)
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if extra_fields:
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update_data.update(extra_fields)
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if update_data:
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await self.espocrm.update_entity(entity_type, entity_id, update_data)
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self._log(f"Sync-Lock released: {entity_type} {entity_id} → {'success' if success else 'failed'}")
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# Release Redis lock
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lock_key = self._get_lock_key(entity_id)
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self._release_redis_lock(lock_key)
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except Exception as e:
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self._log(f"Fehler beim Release Lock: {e}", level='error')
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# Ensure Redis lock is released even on error
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lock_key = self._get_lock_key(entity_id)
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self._release_redis_lock(lock_key)
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async def should_sync_to_xai(
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self,
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document: Dict[str, Any],
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entity_type: str = 'CDokumente'
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) -> Tuple[bool, List[str], str]:
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"""
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Entscheidet ob ein Document zu xAI synchronisiert werden muss
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Prüft:
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1. Datei-Status Feld ("Neu", "Geändert")
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2. Hash-Werte für Change Detection
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3. Related Entities mit xAI Collections
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Args:
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document: Vollständiges Document Entity von EspoCRM
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Returns:
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Tuple[bool, List[str], str]:
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- bool: Ob Sync nötig ist
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- List[str]: Liste der Collection-IDs in die das Document soll
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- str: Grund/Beschreibung der Entscheidung
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"""
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doc_id = document.get('id')
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doc_name = document.get('name', 'Unbenannt')
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# xAI-relevante Felder
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xai_file_id = document.get('xaiFileId')
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xai_collections = document.get('xaiCollections') or []
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xai_sync_status = document.get('xaiSyncStatus')
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# Datei-Status und Hash-Felder
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datei_status = document.get('dateiStatus') or document.get('fileStatus')
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file_md5 = document.get('md5') or document.get('fileMd5')
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file_sha = document.get('sha') or document.get('fileSha')
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xai_synced_hash = document.get('xaiSyncedHash') # Hash beim letzten xAI-Sync
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self._log(f"📋 Document Analysis: {doc_name} (ID: {doc_id})")
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self._log(f" xaiFileId: {xai_file_id or 'N/A'}")
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self._log(f" xaiCollections: {xai_collections}")
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self._log(f" xaiSyncStatus: {xai_sync_status or 'N/A'}")
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self._log(f" fileStatus: {datei_status or 'N/A'}")
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self._log(f" MD5: {file_md5[:16] if file_md5 else 'N/A'}...")
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self._log(f" SHA: {file_sha[:16] if file_sha else 'N/A'}...")
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self._log(f" xaiSyncedHash: {xai_synced_hash[:16] if xai_synced_hash else 'N/A'}...")
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# Determine target collections from relations (CDokumente -> linked entities)
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target_collections = await self._get_required_collections_from_relations(
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doc_id,
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entity_type=entity_type
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)
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# Prüfe xaiSyncStatus="no_sync" → kein Sync für dieses Dokument
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if xai_sync_status == 'no_sync':
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self._log("⏭️ Kein xAI-Sync nötig: xaiSyncStatus='no_sync'")
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return (False, [], "xaiSyncStatus ist 'no_sync'")
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if not target_collections:
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self._log("⏭️ Kein xAI-Sync nötig: Keine Related Entities mit xAI Collections")
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return (False, [], "Keine verknüpften Entities mit xAI Collections")
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# ═══════════════════════════════════════════════════════════════
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# PRIORITY CHECK 1: xaiSyncStatus="unclean" → Dokument wurde geändert
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# ═══════════════════════════════════════════════════════════════
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if xai_sync_status == 'unclean':
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self._log(f"🆕 xaiSyncStatus='unclean' → xAI-Sync ERFORDERLICH")
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return (True, target_collections, "xaiSyncStatus='unclean'")
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# ═══════════════════════════════════════════════════════════════
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# PRIORITY CHECK 2: fileStatus "new" oder "changed"
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# ═══════════════════════════════════════════════════════════════
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if datei_status in ['new', 'changed', 'neu', 'geändert', 'New', 'Changed', 'Neu', 'Geändert']:
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self._log(f"🆕 fileStatus: '{datei_status}' → xAI-Sync ERFORDERLICH")
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if target_collections:
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return (True, target_collections, f"fileStatus: {datei_status}")
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else:
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# Datei ist neu/geändert aber keine Collections gefunden
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self._log(f"⚠️ fileStatus '{datei_status}' aber keine Collections gefunden - überspringe Sync")
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return (False, [], f"fileStatus: {datei_status}, aber keine Collections")
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# ═══════════════════════════════════════════════════════════════
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# FALL 1: Document ist bereits in xAI UND Collections sind gesetzt
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# ═══════════════════════════════════════════════════════════════
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if xai_file_id:
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self._log(f"✅ Document bereits in xAI gesynct mit {len(target_collections)} Collection(s)")
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# Prüfe ob File-Inhalt geändert wurde (Hash-Vergleich)
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current_hash = file_md5 or file_sha
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if current_hash and xai_synced_hash:
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if current_hash != xai_synced_hash:
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self._log(f"🔄 Hash-Änderung erkannt! RESYNC erforderlich")
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self._log(f" Alt: {xai_synced_hash[:16]}...")
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self._log(f" Neu: {current_hash[:16]}...")
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return (True, target_collections, "File-Inhalt geändert (Hash-Mismatch)")
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else:
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self._log(f"✅ Hash identisch - keine Änderung")
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else:
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self._log(f"⚠️ Keine Hash-Werte verfügbar für Vergleich")
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return (False, target_collections, "Bereits gesynct, keine Änderung erkannt")
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# ═══════════════════════════════════════════════════════════════
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# FALL 2: Document hat xaiFileId aber Collections ist leer/None
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# ═══════════════════════════════════════════════════════════════
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# ═══════════════════════════════════════════════════════════════
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# FALL 3: Collections vorhanden aber kein Status/Hash-Trigger
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# ═══════════════════════════════════════════════════════════════
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self._log(f"✅ Document ist mit {len(target_collections)} Entity/ies verknüpft die Collections haben")
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return (True, target_collections, "Verknüpft mit Entities die Collections benötigen")
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async def _get_required_collections_from_relations(
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self,
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document_id: str,
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entity_type: str = 'Document'
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) -> List[str]:
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"""
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Ermittelt alle xAI Collection-IDs von Entities die mit diesem Document verknüpft sind
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EspoCRM Many-to-Many: Document kann mit beliebigen Entities verknüpft sein
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(CBeteiligte, Account, CVmhErstgespraech, etc.)
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Args:
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document_id: Document ID
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Returns:
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Liste von xAI Collection-IDs (dedupliziert)
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"""
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collections = set()
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self._log(f"🔍 Prüfe Relations von {entity_type} {document_id}...")
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try:
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entity_def = await self.espocrm.get_entity_def(entity_type)
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links = entity_def.get('links', {}) if isinstance(entity_def, dict) else {}
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except Exception as e:
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self._log(f"⚠️ Konnte Metadata fuer {entity_type} nicht laden: {e}", level='warn')
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links = {}
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link_types = {'hasMany', 'hasChildren', 'manyMany', 'hasManyThrough'}
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for link_name, link_def in links.items():
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try:
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if not isinstance(link_def, dict):
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continue
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if link_def.get('type') not in link_types:
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continue
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related_entity = link_def.get('entity')
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if not related_entity:
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continue
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related_def = await self.espocrm.get_entity_def(related_entity)
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related_fields = related_def.get('fields', {}) if isinstance(related_def, dict) else {}
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select_fields = ['id']
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if 'xaiCollectionId' in related_fields:
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select_fields.append('xaiCollectionId')
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offset = 0
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page_size = 100
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while True:
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result = await self.espocrm.list_related(
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entity_type,
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document_id,
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link_name,
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select=','.join(select_fields),
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offset=offset,
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max_size=page_size
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)
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entities = result.get('list', [])
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if not entities:
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break
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for entity in entities:
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collection_id = entity.get('xaiCollectionId')
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if collection_id:
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collections.add(collection_id)
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if len(entities) < page_size:
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break
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offset += page_size
|
|
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except Exception as e:
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self._log(f" ⚠️ Fehler beim Prüfen von Link {link_name}: {e}", level='warn')
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continue
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result = list(collections)
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self._log(f"📊 Gesamt: {len(result)} eindeutige Collection(s) gefunden")
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return result
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|
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async def get_document_download_info(self, document_id: str, entity_type: str = 'CDokumente') -> Optional[Dict[str, Any]]:
|
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"""
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Holt Download-Informationen für ein Document
|
|
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|
Args:
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document_id: ID des Documents
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entity_type: Entity-Type (CDokumente oder Document)
|
|
|
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Returns:
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Dict mit:
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- attachment_id: ID des Attachments
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- download_url: URL zum Download
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- filename: Dateiname
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- mime_type: MIME-Type
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- size: Dateigröße in Bytes
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"""
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try:
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# Hole vollständiges Document
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doc = await self.espocrm.get_entity(entity_type, document_id)
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# EspoCRM Documents können Files auf verschiedene Arten speichern:
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# CDokumente: dokumentId/dokumentName (Custom Entity)
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# Document: fileId/fileName ODER attachmentsIds
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attachment_id = None
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filename = None
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# Prüfe zuerst dokumentId (CDokumente Custom Entity)
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if doc.get('dokumentId'):
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attachment_id = doc.get('dokumentId')
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filename = doc.get('dokumentName')
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self._log(f"📎 CDokumente verwendet dokumentId: {attachment_id}")
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|
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# Fallback: fileId (Standard Document Entity)
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elif doc.get('fileId'):
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attachment_id = doc.get('fileId')
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filename = doc.get('fileName')
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self._log(f"📎 Document verwendet fileId: {attachment_id}")
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|
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# Fallback 2: attachmentsIds (z.B. bei zusätzlichen Attachments)
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elif doc.get('attachmentsIds'):
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attachment_ids = doc.get('attachmentsIds')
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if attachment_ids:
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attachment_id = attachment_ids[0]
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self._log(f"📎 Document verwendet attachmentsIds: {attachment_id}")
|
|
|
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if not attachment_id:
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self._log(f"⚠️ {entity_type} {document_id} hat weder dokumentId, fileId noch attachmentsIds", level='warn')
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self._log(f" Verfügbare Felder: {list(doc.keys())}")
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return None
|
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|
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# Hole Attachment-Details
|
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attachment = await self.espocrm.get_entity('Attachment', attachment_id)
|
|
|
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# Filename: Nutze dokumentName/fileName falls vorhanden, sonst aus Attachment
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final_filename = filename or attachment.get('name', 'unknown')
|
|
|
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return {
|
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'attachment_id': attachment_id,
|
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'download_url': f"/api/v1/Attachment/file/{attachment_id}",
|
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'filename': final_filename,
|
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'mime_type': attachment.get('type', 'application/octet-stream'),
|
|
'size': attachment.get('size', 0)
|
|
}
|
|
|
|
except Exception as e:
|
|
self._log(f"❌ Fehler beim Laden von Download-Info: {e}", level='error')
|
|
return None
|
|
|
|
async def generate_thumbnail(self, file_path: str, mime_type: str, max_width: int = 600, max_height: int = 800) -> Optional[bytes]:
|
|
"""
|
|
Generiert Vorschaubild (Preview) für ein Document im WebP-Format
|
|
|
|
Unterstützt:
|
|
- PDF: Erste Seite als Bild
|
|
- DOCX/DOC: Konvertierung zu PDF, dann erste Seite
|
|
- Images: Resize auf Preview-Größe
|
|
- Andere: Platzhalter-Icon basierend auf MIME-Type
|
|
|
|
Args:
|
|
file_path: Pfad zur Datei (lokal)
|
|
mime_type: MIME-Type des Documents
|
|
max_width: Maximale Breite (default: 600px)
|
|
max_height: Maximale Höhe (default: 800px)
|
|
|
|
Returns:
|
|
Preview als WebP bytes oder None bei Fehler
|
|
"""
|
|
self._log(f"🖼️ Preview-Generierung für {mime_type} (max: {max_width}x{max_height})")
|
|
|
|
try:
|
|
from PIL import Image
|
|
import io
|
|
|
|
thumbnail = None
|
|
|
|
# PDF-Handling
|
|
if mime_type == 'application/pdf':
|
|
try:
|
|
from pdf2image import convert_from_path
|
|
self._log(" Converting PDF page 1 to image...")
|
|
images = convert_from_path(file_path, first_page=1, last_page=1, dpi=150)
|
|
if images:
|
|
thumbnail = images[0]
|
|
except ImportError:
|
|
self._log("⚠️ pdf2image nicht installiert - überspringe PDF-Preview", level='warn')
|
|
return None
|
|
except Exception as e:
|
|
self._log(f"⚠️ PDF-Konvertierung fehlgeschlagen: {e}", level='warn')
|
|
return None
|
|
|
|
# DOCX/DOC-Handling
|
|
elif mime_type in ['application/vnd.openxmlformats-officedocument.wordprocessingml.document',
|
|
'application/msword']:
|
|
try:
|
|
import tempfile
|
|
import os
|
|
from docx2pdf import convert
|
|
from pdf2image import convert_from_path
|
|
|
|
self._log(" Converting DOCX → PDF → Image...")
|
|
|
|
# Temporäres PDF erstellen
|
|
with tempfile.NamedTemporaryFile(suffix='.pdf', delete=False) as tmp:
|
|
pdf_path = tmp.name
|
|
|
|
# DOCX → PDF (benötigt LibreOffice)
|
|
convert(file_path, pdf_path)
|
|
|
|
# PDF → Image
|
|
images = convert_from_path(pdf_path, first_page=1, last_page=1, dpi=150)
|
|
if images:
|
|
thumbnail = images[0]
|
|
|
|
# Cleanup
|
|
os.remove(pdf_path)
|
|
|
|
except ImportError:
|
|
self._log("⚠️ docx2pdf nicht installiert - überspringe DOCX-Preview", level='warn')
|
|
return None
|
|
except Exception as e:
|
|
self._log(f"⚠️ DOCX-Konvertierung fehlgeschlagen: {e}", level='warn')
|
|
return None
|
|
|
|
# Image-Handling
|
|
elif mime_type.startswith('image/'):
|
|
try:
|
|
self._log(" Processing image file...")
|
|
thumbnail = Image.open(file_path)
|
|
except Exception as e:
|
|
self._log(f"⚠️ Image-Laden fehlgeschlagen: {e}", level='warn')
|
|
return None
|
|
|
|
else:
|
|
self._log(f"⚠️ Keine Preview-Generierung für MIME-Type: {mime_type}", level='warn')
|
|
return None
|
|
|
|
if not thumbnail:
|
|
return None
|
|
|
|
# Resize auf max dimensions (behält Aspect Ratio)
|
|
thumbnail.thumbnail((max_width, max_height), Image.Resampling.LANCZOS)
|
|
|
|
# Convert zu WebP bytes
|
|
buffer = io.BytesIO()
|
|
thumbnail.save(buffer, format='WEBP', quality=85)
|
|
webp_bytes = buffer.getvalue()
|
|
|
|
self._log(f"✅ Preview generiert: {len(webp_bytes)} bytes WebP")
|
|
return webp_bytes
|
|
|
|
except Exception as e:
|
|
self._log(f"❌ Fehler bei Preview-Generierung: {e}", level='error')
|
|
import traceback
|
|
self._log(traceback.format_exc(), level='debug')
|
|
return None
|
|
|
|
async def update_sync_metadata(
|
|
self,
|
|
document_id: str,
|
|
xai_file_id: Optional[str] = None,
|
|
collection_ids: Optional[List[str]] = None,
|
|
file_hash: Optional[str] = None,
|
|
preview_data: Optional[bytes] = None,
|
|
reset_file_status: bool = False,
|
|
entity_type: str = 'CDokumente'
|
|
) -> None:
|
|
"""
|
|
Updated Document-Metadaten nach erfolgreichem xAI-Sync oder Preview-Generierung
|
|
|
|
Args:
|
|
document_id: EspoCRM Document ID
|
|
xai_file_id: xAI File ID (optional - setzt nur wenn vorhanden)
|
|
collection_ids: Liste der xAI Collection IDs (optional)
|
|
file_hash: MD5/SHA Hash des gesyncten Files
|
|
preview_data: Vorschaubild (WebP) als bytes
|
|
reset_file_status: Ob fileStatus/dateiStatus zurückgesetzt werden soll
|
|
entity_type: Entity-Type (CDokumente oder Document)
|
|
"""
|
|
try:
|
|
update_data = {}
|
|
|
|
# Nur xAI-Felder updaten wenn vorhanden
|
|
if xai_file_id:
|
|
# CDokumente verwendet xaiId, Document verwendet xaiFileId
|
|
if entity_type == 'CDokumente':
|
|
update_data['xaiId'] = xai_file_id
|
|
else:
|
|
update_data['xaiFileId'] = xai_file_id
|
|
|
|
if collection_ids is not None:
|
|
update_data['xaiCollections'] = collection_ids
|
|
|
|
# fileStatus auf "unchanged" setzen wenn Dokument verarbeitet/clean ist
|
|
if reset_file_status:
|
|
if entity_type == 'CDokumente':
|
|
update_data['fileStatus'] = 'unchanged'
|
|
else:
|
|
# Document Entity hat kein fileStatus, nur dateiStatus
|
|
update_data['dateiStatus'] = 'unchanged'
|
|
|
|
# xaiSyncStatus auf "clean" setzen wenn xAI-Sync erfolgreich war
|
|
if xai_file_id:
|
|
update_data['xaiSyncStatus'] = 'clean'
|
|
|
|
# Hash speichern für zukünftige Change Detection
|
|
if file_hash:
|
|
update_data['xaiSyncedHash'] = file_hash
|
|
|
|
# Preview als Attachment hochladen (falls vorhanden)
|
|
if preview_data:
|
|
await self._upload_preview_to_espocrm(document_id, preview_data, entity_type)
|
|
|
|
# Nur updaten wenn es etwas zu updaten gibt
|
|
if update_data:
|
|
await self.espocrm.update_entity(entity_type, document_id, update_data)
|
|
self._log(f"✅ Sync-Metadaten aktualisiert für {entity_type} {document_id}: {list(update_data.keys())}")
|
|
|
|
except Exception as e:
|
|
self._log(f"❌ Fehler beim Update von Sync-Metadaten: {e}", level='error')
|
|
raise
|
|
|
|
async def _upload_preview_to_espocrm(self, document_id: str, preview_data: bytes, entity_type: str = 'CDokumente') -> None:
|
|
"""
|
|
Lädt Preview-Image als Attachment zu EspoCRM hoch
|
|
|
|
Args:
|
|
document_id: Document ID
|
|
preview_data: WebP Preview als bytes
|
|
entity_type: Entity-Type (CDokumente oder Document)
|
|
"""
|
|
try:
|
|
self._log(f"📤 Uploading preview image to {entity_type} ({len(preview_data)} bytes)...")
|
|
|
|
# EspoCRM erwartet base64-encoded file im Format: data:mime/type;base64,xxxxx
|
|
import base64
|
|
import aiohttp
|
|
|
|
# Base64-encode preview data
|
|
base64_data = base64.b64encode(preview_data).decode('ascii')
|
|
file_data_uri = f"data:image/webp;base64,{base64_data}"
|
|
|
|
# Upload via JSON POST mit base64-encoded file field
|
|
url = self.espocrm.api_base_url.rstrip('/') + '/Attachment'
|
|
headers = {
|
|
'X-Api-Key': self.espocrm.api_key,
|
|
'Content-Type': 'application/json'
|
|
}
|
|
|
|
payload = {
|
|
'name': 'preview.webp',
|
|
'type': 'image/webp',
|
|
'role': 'Attachment',
|
|
'field': 'preview',
|
|
'relatedType': entity_type,
|
|
'relatedId': document_id,
|
|
'file': file_data_uri
|
|
}
|
|
|
|
self._log(f"📤 Posting to {url} with base64-encoded file ({len(base64_data)} chars)")
|
|
self._log(f" relatedType={entity_type}, relatedId={document_id}, field=preview")
|
|
|
|
timeout = aiohttp.ClientTimeout(total=30)
|
|
async with aiohttp.ClientSession(timeout=timeout) as session:
|
|
async with session.post(url, headers=headers, json=payload) as response:
|
|
self._log(f"Upload response status: {response.status}")
|
|
|
|
if response.status >= 400:
|
|
error_text = await response.text()
|
|
self._log(f"❌ Upload failed: {error_text}", level='error')
|
|
raise Exception(f"Upload error {response.status}: {error_text}")
|
|
|
|
result = await response.json()
|
|
attachment_id = result.get('id')
|
|
self._log(f"✅ Preview Attachment created: {attachment_id}")
|
|
|
|
# Update Entity mit previewId
|
|
self._log(f"📝 Updating {entity_type} with previewId...")
|
|
await self.espocrm.update_entity(entity_type, document_id, {
|
|
'previewId': attachment_id,
|
|
'previewName': 'preview.webp'
|
|
})
|
|
self._log(f"✅ {entity_type} previewId/previewName aktualisiert")
|
|
|
|
except Exception as e:
|
|
self._log(f"❌ Fehler beim Preview-Upload: {e}", level='error')
|
|
# Don't raise - Preview ist optional, Sync sollte trotzdem erfolgreich sein
|