Add time_range filter to Research Bridge API and optimize SearXNG config for news

config/searxng-settings.yml

@@ -18,28 +18,81 @@ search:
     - json
 
 engines:
+  # === General Search ===
   - name: google
     engine: google
     shortcut: go
     disabled: false
+    weight: 1.0
   
   - name: bing
     engine: bing
     shortcut: bi
     disabled: false
+    weight: 1.0
   
   - name: duckduckgo
     engine: duckduckgo
     shortcut: ddg
     disabled: false
+    weight: 0.8
   
+  # === News Engines ===
   - name: google news
     engine: google_news
     shortcut: gon
     disabled: false
+    weight: 2.0
+  
+  - name: bing news
+    engine: bing_news
+    shortcut: bin
+    disabled: false
+    weight: 2.0
+  
+  - name: hackernews
+    engine: hackernews
+    shortcut: hn
+    disabled: false
+    weight: 1.5
+  
+  # === Tech News ===
+  - name: arstechnica
+    engine: arstechnica
+    shortcut: ars
+    disabled: false
+    weight: 1.5
+  
+  - name: wired
+    engine: wired
+    shortcut: wir
+    disabled: false
+    weight: 1.5
+
+  # === Q&A / Discussion ===
+  - name: reddit
+    engine: reddit
+    shortcut: re
+    disabled: false
+    weight: 1.2
+
+# Block unwanted sites (dictionaries, etc.)
+engines:
+  - name: google
+    engine: google
+    disabled: false
+    url_xpath: //
+
+# Blocklist für unerwünschte Domains
+# Auskommentiert da SearXNG keine native Blocklist hat
+# Workaround: Zeit-Parameter in Queries nutzen
 
 ui:
-  static_path: ""
+  static_static_path: ""
   templates_path: ""
   default_theme: simple
   query_in_title: true
+
+# Time range preference (for news queries)
+# Note: Used by engines that support it (google, bing, etc.)
+# Valid values: day, week, month, year

src/api/router.py

@@ -53,7 +53,8 @@ async def search(
         default=["google", "bing", "duckduckgo"],
         description="Search engines to use"
     ),
-    page: int = Query(default=1, ge=1, description="Page number")
+    page: int = Query(default=1, ge=1, description="Page number"),
+    time_range: str | None = Query(default=None, pattern="^(day|week|month|year)$", description="Time filter (day, week, month, year)")
 ) -> SearchResponse:
     """Search via SearXNG (passthrough).
 
@@ -61,6 +62,7 @@ async def search(
         q: Search query string
         engines: List of search engines
         page: Page number
+        time_range: Optional time filter
 
     Returns:
         SearchResponse with results
@@ -69,7 +71,7 @@ async def search(
 
     async with SearXNGClient(base_url=SEARXNG_URL) as client:
         try:
-            return await client.search(request)
+            return await client.search(request, time_range=time_range)
         except SearXNGError as e:
             raise HTTPException(status_code=502, detail=str(e))
 
@@ -120,10 +122,10 @@ async def research(request: ResearchRequest) -> ResearchResponse:
         page=1
     )
 
-    # Execute search
+    # Execute search with time_range if specified
     async with SearXNGClient(base_url=SEARXNG_URL) as client:
         try:
-            search_response = await client.search(search_request)
+            search_response = await client.search(search_request, time_range=request.time_range)
         except SearXNGError as e:
             raise HTTPException(status_code=502, detail=str(e))
 

src/models/schemas.py

@@ -67,6 +67,7 @@ class ResearchRequest(BaseModel):
     sources: list[str] = Field(default=["web"])
     language: str = Field(default="en", pattern="^[a-z]{2}$")
     omit_raw: bool = Field(default=False)
+    time_range: str | None = Field(default=None, pattern="^(day|week|month|year)$", description="Time filter for search results")
 
 
 class Source(BaseModel):

src/search/searxng.py

@@ -59,11 +59,12 @@ class SearXNGClient:
         query_string = "&".join(query_parts)
         return f"{self.base_url}/search?{query_string}"
 
-    async def search(self, request: SearchRequest) -> SearchResponse:
+    async def search(self, request: SearchRequest, time_range: str | None = None) -> SearchResponse:
         """Execute search query against SearXNG.
 
         Args:
             request: SearchRequest with query, engines, page
+            time_range: Optional time filter (day, week, month, year)
 
         Returns:
             SearchResponse with results
@@ -77,6 +78,10 @@ class SearXNGClient:
             "engines": ",".join(request.engines),
             "pageno": request.page,
         }
+        
+        # Add time_range if specified (SearXNG supports: day, week, month, year)
+        if time_range:
+            params["time_range"] = time_range
 
         url = self._build_url(params)
         client = self._get_client()