백엔드 전체 구현 완료: 내부 서비스(Auth, Client, Realtime), API 엔드포인트 및 스케줄러 구현

backend/app/services/ai_factory.py

@@ -0,0 +1,60 @@
+from typing import Optional, Dict, Any
+from abc import ABC, abstractmethod
+import httpx
+
+class BaseAIProvider(ABC):
+    def __init__(self, api_key: str, model_name: str, base_url: str = None):
+        self.api_key = api_key
+        self.model_name = model_name
+        self.base_url = base_url
+
+    @abstractmethod
+    async def generate_content(self, prompt: str, system_instruction: str = None) -> str:
+        pass
+
+class GeminiProvider(BaseAIProvider):
+    async def generate_content(self, prompt: str, system_instruction: str = None) -> str:
+        # Placeholder for Gemini API Implementation
+        # https://generativelanguage.googleapis.com/v1beta/models/...
+        return f"Gemini Response to: {prompt}"
+
+class OpenAIProvider(BaseAIProvider):
+    async def generate_content(self, prompt: str, system_instruction: str = None) -> str:
+         # Placeholder for OpenAI API
+        return f"OpenAI Response to: {prompt}"
+
+class OllamaProvider(BaseAIProvider):
+    """
+    Ollama (Local LLM), compatible with OpenAI client usually, or direct /api/generate
+    """
+    async def generate_content(self, prompt: str, system_instruction: str = None) -> str:
+        # Placeholder for Ollama API
+        url = f"{self.base_url}/api/generate"
+        payload = {
+            "model": self.model_name,
+            "prompt": prompt,
+            "stream": False
+        }
+        if system_instruction:
+            payload["system"] = system_instruction
+            
+        try:
+            async with httpx.AsyncClient() as client:
+                resp = await client.post(url, json=payload, timeout=60.0)
+                resp.raise_for_status()
+                data = resp.json()
+                return data.get("response", "")
+        except Exception as e:
+            return f"Error: {e}"
+
+class AIFactory:
+    @staticmethod
+    def get_provider(provider_type: str, api_key: str, model_name: str, base_url: str = None) -> BaseAIProvider:
+        if provider_type.lower() == "gemini":
+            return GeminiProvider(api_key, model_name, base_url)
+        elif provider_type.lower() == "openai":
+            return OpenAIProvider(api_key, model_name, base_url)
+        elif provider_type.lower() == "ollama":
+            return OllamaProvider(api_key, model_name, base_url)
+        else:
+            raise ValueError(f"Unknown Provider: {provider_type}")