Files
cbc2027/services/ai/provider_factory.py

55 lines
1.7 KiB
Python

"""
AI Provider Factory (Factory Pattern)
"""
import logging
from typing import Dict, Type
from ..core import AIProcessingError
from .base_provider import AIProvider
from .claude_provider import ClaudeProvider
from .gemini_provider import GeminiProvider
class AIProviderFactory:
"""Factory for creating AI providers with fallback"""
def __init__(self):
self.logger = logging.getLogger(__name__)
self._providers: Dict[str, AIProvider] = {
'claude': ClaudeProvider(),
'gemini': GeminiProvider()
}
def get_provider(self, preferred: str = 'gemini') -> AIProvider:
"""Get available provider with fallback"""
# Try preferred provider first
if preferred in self._providers:
provider = self._providers[preferred]
if provider.is_available():
self.logger.info(f"Using {preferred} provider")
return provider
# Fallback to any available provider
for name, provider in self._providers.items():
if provider.is_available():
self.logger.info(f"Falling back to {name} provider")
return provider
raise AIProcessingError("No AI providers available")
def get_all_available(self) -> Dict[str, AIProvider]:
"""Get all available providers"""
return {
name: provider
for name, provider in self._providers.items()
if provider.is_available()
}
def get_best_provider(self) -> AIProvider:
"""Get the best available provider (Gemini > Claude)"""
return self.get_provider('gemini')
# Global instance
ai_provider_factory = AIProviderFactory()