added_ai_proxy

app/database.py

@@ -47,4 +47,22 @@ async def init_db():
             )
             session.add(admin_user)
             await session.commit()
-            print("✅ Default admin user created (username: admin, password: admin123)")
+            print("✅ Default admin user created (username: admin, password: admin123)")
+
+        # 检查是否已存在 Gemini 配置
+        result = await session.execute(
+            select(models.AIConfig).where(models.AIConfig.provider_name == "gemini")
+        )
+        existing_gemini = result.scalars().first()
+
+        if not existing_gemini:
+            gemini_config = models.AIConfig(
+                provider_name="gemini",
+                api_key=os.getenv("GEMINI_API_KEY", "your-gemini-api-key"),
+                api_url="https://generativelanguage.googleapis.com/v1beta/openai/chat/completions",
+                default_model="gemini-3-flash-preview",
+                is_active=True
+            )
+            session.add(gemini_config)
+            await session.commit()
+            print("✅ Default Gemini AI configuration created")

app/main.py

@@ -6,6 +6,7 @@ from . import models, schemas, auth, database
 from passlib.context import CryptContext
 from sqlalchemy.exc import IntegrityError
 from contextlib import asynccontextmanager
+import httpx
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
@@ -212,3 +213,53 @@ async def test1():
     c = a+b
     return {"msg": f"this is a msg {c}"}
 
+
+@app.post("/ai/proxy", response_model=schemas.AIResponse)
+async def ai_proxy(
+    ai_request: schemas.AIRequest,
+    current_user: models.User = Depends(auth.get_current_user),
+    db: AsyncSession = Depends(database.get_db)
+):
+    """
+    Proxy relay for AI requests.
+    Fetches AI configuration from the database.
+    """
+    # Fetch active AI config
+    result = await db.execute(
+        select(models.AIConfig).where(models.AIConfig.is_active == True)
+    )
+    config = result.scalars().first()
+    
+    if not config:
+        raise HTTPException(status_code=500, detail="AI configuration not found")
+        
+    headers = {
+        "Authorization": f"Bearer {config.api_key}",
+        "Content-Type": "application/json"
+    }
+    
+    # Prepare payload
+    payload = ai_request.model_dump()
+    payload["model"] = config.default_model
+    
+    async with httpx.AsyncClient() as client:
+        try:
+            response = await client.post(
+                config.api_url,
+                json=payload,
+                headers=headers,
+                timeout=30.0
+            )
+            response.raise_for_status()
+            return response.json()
+        except httpx.HTTPStatusError as e:
+            raise HTTPException(
+                status_code=e.response.status_code,
+                detail=f"AI provider returned an error: {e.response.text}"
+            )
+        except httpx.RequestError as e:
+            raise HTTPException(
+                status_code=500,
+                detail=f"An error occurred while requesting AI provider: {str(e)}"
+            )
+

app/schemas.py

@@ -59,4 +59,21 @@ class AssetAssign(BaseModel):
     heir_name: str
 
 class DeclareGuale(BaseModel):
-    username: str
+    username: str
+
+# AI Proxy Schemas
+class AIMessage(BaseModel):
+    role: str
+    content: str
+
+class AIRequest(BaseModel):
+    messages: List[AIMessage]
+    model: Optional[str] = None
+
+class AIResponse(BaseModel):
+    id: str
+    object: str
+    created: int
+    model: str
+    choices: List[dict]
+    usage: dict

docker-compose.yml

@@ -24,5 +24,6 @@ services:
       - "5678:5678"  # 暴露调试端口
     environment:
       - DATABASE_URL=postgresql+asyncpg://user:password@db:5432/fastapi_db
+      - GEMINI_API_KEY=key_here
     depends_on:
       - db

test/test_ai_proxy.py

@@ -0,0 +1,61 @@
+import httpx
+import asyncio
+import time
+
+# Testing against the running service on localhost
+BASE_URL = "http://localhost:8000"
+
+async def test_ai_proxy_integration():
+    async with httpx.AsyncClient(base_url=BASE_URL, timeout=30.0) as client:
+        print("--- Starting AI Proxy Integration Test ---")
+        
+        # 1. Register a new user
+        username = f"user_{int(time.time())}"
+        print(f"1. Registering user: {username}")
+        reg_res = await client.post("/register", json={
+            "username": username,
+            "password": "testpassword"
+        })
+        if reg_res.status_code != 200:
+            print(f"Registration failed: {reg_res.text}")
+            return
+        
+        # 2. Login to get token
+        print("2. Logging in...")
+        login_res = await client.post("/token", json={
+            "username": username,
+            "password": "testpassword"
+        })
+        if login_res.status_code != 200:
+            print(f"Login failed: {login_res.text}")
+            return
+        token = login_res.json()["access_token"]
+        
+        # 3. Request AI Proxy
+        print("3. Sending AI Proxy request...")
+        headers = {"Authorization": f"Bearer {token}"}
+        ai_request = {
+            "messages": [
+                {"role": "user", "content": "Tell me a joke."}
+            ],
+            "model": "some-model"
+        }
+        
+        try:
+            response = await client.post("/ai/proxy", json=ai_request, headers=headers)
+            print(f"Response Status Code: {response.status_code}")
+            print(f"Response Content: {response.text[:200]}...") # Print first 200 chars
+            
+            if response.status_code == 200:
+                print("✅ Success: AI Proxy returned 200 OK")
+            elif response.status_code in [400, 401]:
+                print("ℹ️ Proxy worked, but AI provider returned error (likely invalid/missing API key)")
+            else:
+                print(f"❌ Unexpected status code: {response.status_code}")
+        except Exception as e:
+            print(f"❌ Request failed: {str(e)}")
+
+        print("--- Test Completed ---")
+
+if __name__ == "__main__":
+    asyncio.run(test_ai_proxy_integration())