Restore 0.1.5 version from stash

wolai-backend/app/services/searxng_client.py

@@ -0,0 +1,60 @@
+from __future__ import annotations
+
+from typing import List, Dict, Optional
+
+import httpx
+
+from app.config import settings
+
+
+class SearxngClient:
+    """封装 SearxNG 简单搜索接口。"""
+
+    def __init__(self) -> None:
+        self.base_url: Optional[str] = getattr(settings, "searxng_base_url", None)
+        self.token: Optional[str] = getattr(settings, "searxng_api_token", None)
+
+    def search(self, query: str, *, limit: int = 5, categories: str = "general") -> List[Dict[str, str]]:
+        """返回精简的搜索结果列表。"""
+        if not self.base_url:
+            return []
+        params = {
+            "q": query,
+            "format": "json",
+            "engines": "",
+            "language": "zh-CN",
+            "categories": categories,
+            "limit": limit,
+        }
+        headers = {}
+        if self.token:
+            headers["Authorization"] = f"Token {self.token}"
+        try:
+            resp = httpx.get(
+                self.base_url.rstrip("/") + "/search",
+                params=params,
+                headers=headers,
+                timeout=10.0,
+            )
+            resp.raise_for_status()
+            data = resp.json()
+        except Exception:
+            return []
+        results = []
+        for item in data.get("results", [])[:limit]:
+            title = item.get("title") or ""
+            content = item.get("content") or ""
+            url = item.get("url") or ""
+            if not url:
+                continue
+            results.append(
+                {
+                    "title": title,
+                    "snippet": content,
+                    "url": url,
+                }
+            )
+        return results
+
+
+searxng_client = SearxngClient()