fix: store PDF bytes in DB (content_data) + re-save existing email attachments v2.2.11
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Christian
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eb0dad8a10
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@ -681,22 +681,40 @@ async def extract_vendor_suggestion(email_id: int):
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)
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for att in (attachments or []):
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raw_path = att.get('file_path')
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if not raw_path:
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continue
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file_path = resolve_file_path(raw_path)
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if not file_path:
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logger.warning(f"⚠️ Bilag ikke fundet på disk: {raw_path}")
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continue
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ct = att.get('content_type', '')
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if 'pdf' in ct or raw_path.lower().endswith('.pdf'):
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filename = att.get('filename', '')
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is_pdf = 'pdf' in ct or filename.lower().endswith('.pdf')
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# Try disk path first
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file_path = resolve_file_path(raw_path) if raw_path else None
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if file_path:
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if is_pdf:
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try:
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from pathlib import Path as PathLib
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pdf_text = await ollama_service._extract_text_from_file(PathLib(file_path))
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if pdf_text:
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text_parts.append(("pdf", pdf_text))
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logger.info(f"📎 PDF udtrukket: {att.get('filename')} ({len(pdf_text)} tegn)")
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logger.info(f"📎 PDF udtrukket fra disk: {filename} ({len(pdf_text)} tegn)")
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except Exception as e:
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logger.warning(f"⚠️ Kunne ikke læse PDF {file_path}: {e}")
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logger.warning(f"⚠️ Kunne ikke læse PDF fra disk {file_path}: {e}")
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elif is_pdf:
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# Fallback: read from content_data column in DB
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content_data = att.get('content_data')
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if content_data:
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try:
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import io
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import pdfplumber
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pdf_bytes = bytes(content_data)
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with pdfplumber.open(io.BytesIO(pdf_bytes)) as pdf:
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pdf_text = "\n".join(p.extract_text() or '' for p in pdf.pages)
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if pdf_text.strip():
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text_parts.append(("pdf", pdf_text))
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logger.info(f"📎 PDF udtrukket fra DB content_data: {filename} ({len(pdf_text)} tegn)")
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except Exception as e:
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logger.warning(f"⚠️ Kunne ikke læse PDF fra content_data ({filename}): {e}")
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else:
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logger.warning(f"⚠️ Bilag ikke fundet på disk og ingen content_data: {raw_path or filename}")
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# Prioriter PDF-tekst for leverandørinfo (header + footer indeholder firmainfo)
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# Tag: første 800 tegn (header) + sidste 800 tegn (footer) fra hvert dokument
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@ -212,6 +212,12 @@ class EmailService:
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logger.info(f"✅ New email: {parsed_email['subject'][:50]}... from {parsed_email['sender_email']}")
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else:
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logger.debug(f"⏭️ Email already exists: {parsed_email['message_id']}")
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# Re-save attachment bytes for existing emails (fills content_data for old emails)
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if parsed_email.get('attachments'):
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await self._resave_attachment_content(
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parsed_email['message_id'],
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parsed_email['attachments']
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)
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except Exception as e:
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logger.error(f"❌ Error parsing Graph message: {e}")
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@ -554,47 +560,85 @@ class EmailService:
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return None
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async def _save_attachments(self, email_id: int, attachments: List[Dict]):
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"""Save email attachments to disk and database"""
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"""Save email attachments to disk and database (also stores bytes as fallback)"""
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import os
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import hashlib
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from pathlib import Path
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# Create uploads directory if not exists
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upload_dir = Path("uploads/email_attachments")
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# Use absolute path based on UPLOAD_DIR setting
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from app.core.config import settings
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upload_dir = Path(settings.UPLOAD_DIR) / "email_attachments"
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try:
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upload_dir.mkdir(parents=True, exist_ok=True)
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except Exception as e:
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logger.warning(f"⚠️ Could not create upload dir {upload_dir}: {e}")
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for att in attachments:
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try:
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filename = att['filename']
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content = att['content']
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content = att['content'] # bytes
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content_type = att.get('content_type', 'application/octet-stream')
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size_bytes = att['size']
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size_bytes = att.get('size', len(content) if content else 0)
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if not content:
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continue
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# Generate MD5 hash for deduplication
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md5_hash = hashlib.md5(content).hexdigest()
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# Save to disk with hash prefix
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# Try to save to disk
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file_path_str = None
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try:
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file_path = upload_dir / f"{md5_hash}_{filename}"
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file_path.write_bytes(content)
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file_path_str = str(file_path)
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except Exception as e:
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logger.warning(f"⚠️ Could not save attachment to disk ({filename}): {e}")
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# Save to database
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# Save to database — always store content_data as fallback
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query = """
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INSERT INTO email_attachments
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(email_id, filename, content_type, size_bytes, file_path)
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VALUES (%s, %s, %s, %s, %s)
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(email_id, filename, content_type, size_bytes, file_path, content_data)
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VALUES (%s, %s, %s, %s, %s, %s)
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ON CONFLICT DO NOTHING
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"""
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execute_insert(query, (
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from psycopg2 import Binary
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execute_query(query, (
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email_id,
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filename,
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content_type,
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size_bytes,
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str(file_path)
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file_path_str,
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Binary(content)
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))
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logger.info(f"📎 Saved attachment: {filename} ({size_bytes} bytes)")
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logger.info(f"📎 Saved attachment: {filename} ({size_bytes} bytes, disk={file_path_str is not None})")
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except Exception as e:
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logger.error(f"❌ Failed to save attachment {filename}: {e}")
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logger.error(f"❌ Failed to save attachment {att.get('filename', '?')}: {e}")
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async def _resave_attachment_content(self, message_id: str, attachments: List[Dict]):
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"""For existing emails, store attachment bytes in content_data if not already saved"""
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from psycopg2 import Binary
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for att in attachments:
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try:
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filename = att.get('filename')
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content = att.get('content')
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if not filename or not content:
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continue
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query = """
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UPDATE email_attachments
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SET content_data = %s
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WHERE email_id = (
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SELECT id FROM email_messages WHERE message_id = %s LIMIT 1
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)
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AND filename = %s
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AND content_data IS NULL
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"""
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execute_query(query, (Binary(content), message_id, filename))
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logger.debug(f"💾 Re-saved content_data for attachment: {filename}")
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except Exception as e:
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logger.warning(f"⚠️ Could not re-save content_data for {att.get('filename', '?')}: {e}")
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async def get_unprocessed_emails(self, limit: int = 100) -> List[Dict]:
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"""Get emails from database that haven't been processed yet"""
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7
migrations/139_email_attachment_content_data.sql
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7
migrations/139_email_attachment_content_data.sql
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@ -0,0 +1,7 @@
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-- Migration 139: Store email attachment bytes in DB
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-- Allows PDF text extraction even when file is not on disk (container restarts etc.)
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ALTER TABLE email_attachments
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ADD COLUMN IF NOT EXISTS content_data BYTEA;
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COMMENT ON COLUMN email_attachments.content_data IS 'Raw attachment bytes stored in DB as fallback when file_path is unavailable';
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