stats history for pair selector

apps/pair_selector.py

@@ -81,16 +81,18 @@ class PairSelector(NamedObject):
         quality = self.engine_.quality_dicts()
         if fmt == "json":
             return web.json_response(quality)
-        return web.Response(text=self._render_quality_html(quality), content_type="text/html")
+        return web.Response(text=HtmlRenderer.render_data_quality_html(quality), content_type="text/html")
 
     async def _on_pair_selection(self, request: web.Request) -> web.Response:
         fmt = request.query.get("format", "html").lower()
         pairs = self.engine_.pair_dicts()
         if fmt == "json":
             return web.json_response(pairs)
-        return web.Response(text=self._render_pairs_html(pairs), content_type="text/html")
+        return web.Response(text=HtmlRenderer.render_pair_selection_html(pairs), content_type="text/html")
 
-    def _render_quality_html(self, quality: List[Dict[str, Any]]) -> str:
+class HtmlRenderer:
+    @staticmethod
+    def render_data_quality_html(quality: List[Dict[str, Any]]) -> str:
         rows = "".join(
             f"<tr>"
             f"<td>{q.get('instrument','')}</td>"
@@ -126,7 +128,8 @@ class PairSelector(NamedObject):
 </html>
 """
 
-    def _render_pairs_html(self, pairs: List[Dict[str, Any]]) -> str:
+    @staticmethod
+    def render_pair_selection_html(pairs: List[Dict[str, Any]]) -> str:
         if not pairs:
             body = "<p>No pairs available. Check data quality and try again.</p>"
         else: