added bing search

README.md

@@ -35,14 +35,14 @@ Please feel free to contact me on [Twitter](https://twitter.com/rashadphz) or [c
 
 - Frontend: [Next.js](https://nextjs.org/)
 - Backend: [FastAPI](https://fastapi.tiangolo.com/)
-- Search API: [SearXNG](https://github.com/searxng/searxng), [Tavily](https://tavily.com/), [Serper](https://serper.dev/)
+- Search API: [SearXNG](https://github.com/searxng/searxng), [Tavily](https://tavily.com/), [Serper](https://serper.dev/), [Bing](https://www.microsoft.com/en-us/bing/apis/bing-web-search-api)
 - Logging: [Logfire](https://pydantic.dev/logfire)
 - Rate Limiting: [Redis](https://redis.io/)
 - Components: [shadcn/ui](https://ui.shadcn.com/)
 
 
 ## Features
-- Search with multiple search providers (Tavily, Searxng, Serper)
+- Search with multiple search providers (Tavily, Searxng, Serper, Bing)
 - Answer questions with cloud models (OpenAI/gpt4-o, OpenAI/gpt3.5-turbo, Groq/Llama3)
 - Answer questions with local models (llama3, mistral, gemma, phi3)
 
@@ -60,6 +60,7 @@ Please feel free to contact me on [Twitter](https://twitter.com/rashadphz) or [c
 - [Tavily (Optional)](https://app.tavily.com/home)
 - [Serper (Optional)](https://serper.dev/dashboard)
 - [OpenAI (Optional)](https://platform.openai.com/api-keys)
+- [Bing (Optional)](https://www.microsoft.com/en-us/bing/apis/bing-web-search-api)
 - [Groq (Optional)](https://console.groq.com/keys)
 
 ### 1. Clone the Repo
@@ -77,7 +78,7 @@ touch .env
 Add the following variables to the .env file:
 
 #### Search Provider
-You can use Tavily, Searxng, or Serper as the search provider.
+You can use Tavily, Searxng, Serper, or Bing as the search provider.
 
 **Searxng** (No API Key Required)
 ```
@@ -95,6 +96,12 @@ SERPER_API_KEY=...
 SEARCH_PROVIDER=serper
 ```
 
+**Bing** (Requires API Key)
+```
+BING_API_KEY=...
+SEARCH_PROVIDER=bing
+```
+
 
 #### Optional
 ```

src/backend/search/providers/bing.py

@@ -0,0 +1,54 @@
+import asyncio
+
+import httpx
+
+from backend.schemas import SearchResponse, SearchResult
+from backend.search.providers.base import SearchProvider
+
+
+class BingSearchProvider(SearchProvider):
+    def __init__(self, api_key: str):
+        self.host = "https://api.bing.microsoft.com/v7.0"
+        self.headers = {
+            "Ocp-Apim-Subscription-Key": api_key,
+            "Content-Type": "application/json",
+        }
+
+    async def search(self, query: str) -> SearchResponse:
+        async with httpx.AsyncClient() as client:
+            link_results, image_results = await asyncio.gather(
+                self.get_link_results(client, query),
+                self.get_image_results(client, query),
+            )
+
+        return SearchResponse(results=link_results, images=image_results)
+
+    async def get_link_results(
+        self, client: httpx.AsyncClient, query: str, num_results: int = 6
+    ) -> list[SearchResult]:
+        response = await client.get(
+            f"{self.host}/search",
+            headers=self.headers,
+            params={"q": query, "count": num_results},
+        )
+        results = response.json()
+
+        return [
+            SearchResult(
+                title=result["name"],
+                url=result["url"],
+                content=result["snippet"],
+            )
+            for result in results["webPages"]["value"][:num_results]
+        ]
+
+    async def get_image_results(
+        self, client: httpx.AsyncClient, query: str, num_results: int = 5
+    ) -> list[str]:
+        response = await client.get(
+            f"{self.host}/images/search",
+            headers=self.headers,
+            params={"q": query, "count": num_results},
+        )
+        results = response.json()
+        return [result["contentUrl"] for result in results["value"][:num_results]]

src/backend/search/search_service.py

@@ -7,6 +7,7 @@
 
 from backend.schemas import SearchResponse
 from backend.search.providers.base import SearchProvider
+from backend.search.providers.bing import BingSearchProvider
 from backend.search.providers.searxng import SearxngSearchProvider
 from backend.search.providers.serper import SerperSearchProvider
 from backend.search.providers.tavily import TavilySearchProvider
@@ -48,9 +49,18 @@ def get_serper_api_key():
     return serper_api_key
 
 
+def get_bing_api_key():
+    bing_api_key = os.getenv("BING_API_KEY")
+    if not bing_api_key:
+        raise HTTPException(
+            status_code=500,
+            detail="Bing API key is not set in the environment variables. Please set the BING_API_KEY environment variable or set SEARCH_PROVIDER to 'searxng', 'tavily', or 'serper'.",
+        )
+    return bing_api_key
+
+
 def get_search_provider() -> SearchProvider:
     search_provider = os.getenv("SEARCH_PROVIDER", "tavily")
-    print(f"Search provider: {search_provider}")
 
     match search_provider:
         case "searxng":
@@ -62,6 +72,9 @@ def get_search_provider() -> SearchProvider:
         case "serper":
             serper_api_key = get_serper_api_key()
             return SerperSearchProvider(serper_api_key)
+        case "bing":
+            bing_api_key = get_bing_api_key()
+            return BingSearchProvider(bing_api_key)
         case _:
             raise HTTPException(
                 status_code=500,