"""
Base Model for MCP CalDAV Application
Provides common functionality for all data models.
"""
from abc import ABC, abstractmethod
from typing import Dict, Any
import uuid
class BaseModel(ABC):
"""Abstract base class for all data models."""
def __init__(self, **kwargs):
"""
Initialize a model instance.
Args:
**kwargs: Model properties
"""
# Generate unique ID if not provided
if "id" not in kwargs or not kwargs["id"]:
self.id = str(uuid.uuid4())
else:
self.id = kwargs["id"]
# Set other properties
for key, value in kwargs.items():
if key != "id":
setattr(self, key, value)
@abstractmethod
def to_dict(self) -> Dict[str, Any]:
"""
Convert model to dictionary representation.
Returns:
Dictionary representation of the model
"""
pass
@abstractmethod
def from_dict(self, data: Dict[str, Any]) -> None:
"""
Initialize model from dictionary data.
Args:
data: Dictionary containing model data
"""
pass
@abstractmethod
def to_ical(self) -> str:
"""
Convert model to iCalendar format.
Returns:
iCalendar string representation
"""
pass
@abstractmethod
def from_ical(self, ical_str: str) -> None:
"""
Initialize model from iCalendar string.
Args:
ical_str: iCalendar string representation
"""
pass
def validate(self) -> bool:
"""
Validate the model data.
Returns:
True if valid, False otherwise
"""
# Default validation - can be overridden by subclasses
return True
def get_property(self, name: str, default: Any = None) -> Any:
"""
Get a property value safely.
Args:
name: Property name
default: Default value if property doesn't exist
Returns:
Property value or default
"""
return getattr(self, name, default)
def set_property(self, name: str, value: Any) -> None:
"""
Set a property value.
Args:
name: Property name
value: Property value
"""
setattr(self, name, value)
