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dav-imap-mcp/src/database/models.py
Yigit Colakoglu 3bc66e4efc
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Replace deprecated datetime.utcnow() with timezone-aware UTC
Use datetime.now(timezone.utc) instead of deprecated utcnow().

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-30 16:21:41 -08:00

101 lines
3.3 KiB
Python

"""SQLModel database models for caching PIM data."""
from datetime import datetime, timezone
from typing import Optional
from sqlmodel import SQLModel, Field
def utc_now() -> datetime:
"""Return timezone-aware UTC datetime."""
return datetime.now(timezone.utc)
class CacheMeta(SQLModel, table=True):
"""Generic key-value cache metadata."""
__tablename__ = "cache_meta"
key: str = Field(primary_key=True)
value: Optional[str] = None
expires_at: Optional[int] = None
class EmailCache(SQLModel, table=True):
"""Cached email data."""
__tablename__ = "email_cache"
id: str = Field(primary_key=True)
mailbox: str = Field(index=True)
subject: Optional[str] = None
from_address: Optional[str] = None
date: Optional[datetime] = Field(default=None, index=True)
is_read: bool = False
is_flagged: bool = False
snippet: Optional[str] = None
full_data: Optional[str] = Field(default=None, description="JSON blob of full email data")
cached_at: datetime = Field(default_factory=utc_now)
class EventCache(SQLModel, table=True):
"""Cached calendar event data."""
__tablename__ = "event_cache"
id: str = Field(primary_key=True)
calendar_id: str = Field(index=True)
title: Optional[str] = None
start_time: Optional[datetime] = Field(default=None, index=True)
end_time: Optional[datetime] = None
full_data: Optional[str] = Field(default=None, description="JSON blob of full event data")
cached_at: datetime = Field(default_factory=utc_now)
class ContactCache(SQLModel, table=True):
"""Cached contact data."""
__tablename__ = "contact_cache"
id: str = Field(primary_key=True)
addressbook_id: str = Field(index=True)
display_name: Optional[str] = Field(default=None, index=True)
primary_email: Optional[str] = None
full_data: Optional[str] = Field(default=None, description="JSON blob of full contact data")
cached_at: datetime = Field(default_factory=utc_now)
class SyncState(SQLModel, table=True):
"""Track sync state for incremental updates."""
__tablename__ = "sync_state"
resource_type: str = Field(primary_key=True, description="Type: mailbox, calendar, addressbook")
resource_id: str = Field(primary_key=True)
last_sync: Optional[datetime] = None
sync_token: Optional[str] = None
class SeenEmail(SQLModel, table=True):
"""Track emails that have been processed for notifications."""
__tablename__ = "seen_emails"
id: Optional[int] = Field(default=None, primary_key=True)
email_uid: str = Field(index=True, description="IMAP UID of the email")
mailbox: str = Field(index=True, description="Mailbox path (e.g., INBOX)")
message_id: Optional[str] = Field(
default=None,
index=True,
description="RFC 2822 Message-ID header for cross-server dedup"
)
from_address: Optional[str] = Field(default=None, description="Sender email for logging")
subject: Optional[str] = Field(default=None, description="Subject for logging")
email_date: Optional[datetime] = Field(default=None, description="Email date")
seen_at: datetime = Field(default_factory=utc_now)
notification_sent: bool = Field(default=False)
notification_sent_at: Optional[datetime] = None
notification_error: Optional[str] = Field(
default=None,
description="Last error if notification failed"
)