fix: use field ID for Paperless custom field updates
Paperless API requires field ID (integer) not field name (string) when updating custom fields. Now looks up field ID by name before updating library_indexed custom field. Also includes webhook debugging endpoint for development. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Claude Opus 4.5
+18
-13
@@ -86,22 +86,27 @@ class DocumentUploadResponse(BaseModel):
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class PaperlessWebhookPayload(BaseModel):
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"""Payload from Paperless-ngx webhook (include_document=true format)."""
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id: int = Field(..., description="Paperless document ID")
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"""
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Payload from Paperless-ngx webhook.
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Supports Jinja template format:
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- doc_url: Contains document ID in URL path (e.g., http://paperless:8000/documents/123/)
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- title: Document title from {{ doc_title }}
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"""
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doc_url: str = Field(..., description="Paperless document URL containing ID")
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title: Optional[str] = Field(None, description="Document title")
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content: Optional[str] = Field(None, description="Document text content")
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correspondent: Optional[int] = Field(None, description="Correspondent ID")
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document_type: Optional[int] = Field(None, description="Document type ID")
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tags: List[int] = Field(default_factory=list, description="Tag IDs")
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created: Optional[str] = Field(None, description="Created date")
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modified: Optional[str] = Field(None, description="Modified datetime")
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added: Optional[str] = Field(None, description="Added datetime")
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original_file_name: Optional[str] = Field(None, description="Original filename")
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owner: Optional[int] = Field(None, description="Owner user ID")
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custom_fields: List[Dict[str, Any]] = Field(default_factory=list, description="Custom fields")
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class Config:
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extra = "ignore" # Ignore extra fields from Paperless
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extra = "ignore" # Ignore extra fields
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@property
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def document_id(self) -> int:
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"""Extract document ID from doc_url."""
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import re
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match = re.search(r'/documents/(\d+)/?', self.doc_url)
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if match:
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return int(match.group(1))
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raise ValueError(f"Cannot extract document ID from URL: {self.doc_url}")
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class WebhookResponse(BaseModel):
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+133
-9
@@ -7,7 +7,7 @@ Event-driven integration with Paperless-ngx:
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- Search across indexed documents
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"""
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from fastapi import APIRouter, HTTPException, Depends, Query, UploadFile, File
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from fastapi import APIRouter, HTTPException, Depends, Query, UploadFile, File, Request
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from typing import Optional
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import logging
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import time
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@@ -64,12 +64,138 @@ async def receive_webhook(
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"""
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from src.services.document_sync_service import DocumentSyncService
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logger.info(f"Webhook received: document_id={payload.id}, title={payload.title}")
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doc_id = payload.document_id
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logger.info(f"Webhook received: document_id={doc_id}, title={payload.title}")
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settings = get_settings()
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if not settings.document_store_enabled:
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return WebhookResponse(
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document_id=payload.id,
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document_id=doc_id,
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status="skipped",
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indexed=False,
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message="Document store is disabled"
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)
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try:
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sync_service = DocumentSyncService(
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paperless_client=paperless,
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qdrant_client=qdrant,
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ollama_client=ollama,
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neo4j_client=neo4j,
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wiki_client=wiki,
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settings=settings
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)
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# Fetch content from Paperless (template only provides doc_url and title)
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result = await sync_service.index_document(
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document_id=doc_id,
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user=user,
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)
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return WebhookResponse(
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document_id=doc_id,
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status="indexed" if result.success else "failed",
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indexed=result.success,
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message=result.error if not result.success else f"Indexed: {result.title}"
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)
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except Exception as e:
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logger.error(f"Webhook processing failed for document {doc_id}: {e}", exc_info=True)
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return WebhookResponse(
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document_id=doc_id,
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status="error",
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indexed=False,
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message=str(e)
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)
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# =============================================================================
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# Debug Capture Endpoint
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# =============================================================================
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@router.post("/webhook-capture")
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async def capture_webhook(request: Request):
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"""Capture raw webhook payload for debugging."""
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import json
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from pathlib import Path
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from datetime import datetime
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# Get raw body
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body = await request.body()
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headers = dict(request.headers)
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query_params = dict(request.query_params)
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# Build capture data
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capture = {
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"timestamp": datetime.now().isoformat(),
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"method": request.method,
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"url": str(request.url),
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"query_params": query_params,
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"headers": headers,
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"content_type": headers.get("content-type", "unknown"),
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"body_raw": body.decode("utf-8", errors="replace"),
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}
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# Try to parse as JSON
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try:
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capture["body_json"] = json.loads(body)
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except:
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capture["body_json"] = None
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# Write to file
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capture_file = Path("logs/webhook_capture.json")
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capture_file.parent.mkdir(exist_ok=True)
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with open(capture_file, "w") as f:
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json.dump(capture, f, indent=2, default=str)
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logger.info(f"Captured webhook: {capture['body_raw'][:200]}")
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return {"status": "captured", "file": str(capture_file)}
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# =============================================================================
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# Simple Webhook (URL parameters only)
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# =============================================================================
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@router.post("/webhook-simple", response_model=WebhookResponse)
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async def receive_webhook_simple(
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doc_url: str = Query(..., description="Paperless document URL containing ID"),
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title: str = Query(default="", description="Document title"),
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user: str = Query(default=DEFAULT_USER, description="User identifier"),
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paperless: PaperlessDep = None,
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qdrant: QdrantDep = None,
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ollama: OllamaDep = None,
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neo4j: Neo4jDep = None,
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wiki: WikiJSDep = None,
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):
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"""
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Simple webhook endpoint accepting URL parameters.
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Used when Paperless Jinja templates don't work with JSON body.
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URL format: /webhook-simple?doc_url=http://...&title=...&user=...
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"""
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from src.services.document_sync_service import DocumentSyncService
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import re
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# Extract document ID from URL
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match = re.search(r'/documents/(\d+)/?', doc_url)
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if not match:
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return WebhookResponse(
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document_id=0,
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status="error",
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indexed=False,
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message=f"Cannot extract document ID from URL: {doc_url}"
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)
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doc_id = int(match.group(1))
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logger.info(f"Webhook-simple received: document_id={doc_id}, title={title}")
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settings = get_settings()
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if not settings.document_store_enabled:
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return WebhookResponse(
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document_id=doc_id,
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status="skipped",
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indexed=False,
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message="Document store is disabled"
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@@ -86,23 +212,21 @@ async def receive_webhook(
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)
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result = await sync_service.index_document(
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document_id=payload.id,
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document_id=doc_id,
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user=user,
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content=payload.content, # Use content from webhook payload
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title=payload.title,
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)
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return WebhookResponse(
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document_id=payload.id,
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document_id=doc_id,
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status="indexed" if result.success else "failed",
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indexed=result.success,
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message=result.error if not result.success else f"Indexed: {result.title}"
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)
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except Exception as e:
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logger.error(f"Webhook processing failed for document {payload.id}: {e}", exc_info=True)
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logger.error(f"Webhook-simple failed for document {doc_id}: {e}", exc_info=True)
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return WebhookResponse(
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document_id=payload.id,
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document_id=doc_id,
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status="error",
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indexed=False,
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message=str(e)
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@@ -281,10 +281,13 @@ class DocumentSyncService:
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"""Mark document as indexed in Paperless custom field."""
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# Try to update library_indexed custom field if it exists
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try:
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await self.paperless.update_document(
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document_id=document_id,
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custom_fields=[{"field": "library_indexed", "value": True}]
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)
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# Look up field ID by name (Paperless requires ID, not name)
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field = await self.paperless.get_custom_field_by_name("library_indexed")
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if field:
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await self.paperless.update_document(
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document_id=document_id,
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custom_fields=[{"field": field["id"], "value": True}]
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)
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except Exception:
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# Field might not exist, that's OK
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pass
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