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from fastapi import APIRouter, HTTPException, Query, Security, Depends
from fastapi.security import APIKeyHeader
import requests
import os
from typing import List, Optional
from pydantic import BaseModel
import logging
router = APIRouter()
# Setup logging
logger = logging.getLogger(__name__)
# Setup API key authentication
api_key_header = APIKeyHeader(name="X-API-Key", auto_error=False)
CHAT_AUTH_KEY = os.environ.get("CHAT_AUTH_KEY")
class UnsplashResponse(BaseModel):
images: List[str]
async def verify_api_key(api_key: str = Security(api_key_header)):
if api_key != CHAT_AUTH_KEY:
logger.warning("Invalid API key used")
raise HTTPException(status_code=403, detail="Could not validate credentials")
return api_key
@router.get("/unsplash-images/", response_model=UnsplashResponse)
async def get_unsplash_images(
query: str,
images_per_page: Optional[int] = Query(4, alias="per_page", ge=1, le=30),
page: Optional[int] = Query(1, ge=1),
api_key: str = Depends(verify_api_key)
):
url = "https://api.unsplash.com/search/photos"
params = {
"query": query,
"client_id": os.environ.get("UNSPLASH_API_KEY"),
"per_page": images_per_page,
"page": page
}
response = requests.get(url, params=params)
if response.status_code != 200:
raise HTTPException(status_code=response.status_code, detail="Failed to fetch images from Unsplash")
data = response.json()
images = []
if 'results' in data:
for photo in data['results']:
images.append(photo['urls']['regular'])
return UnsplashResponse(images=images) |