Big refactoring

frontend/src/hooks/useFetchSymbolData.ts

@@ -0,0 +1,42 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+import { fetchData, type FetchDataResult } from '../api/ingestion';
+import { useToast } from '../components/ui/Toast';
+import { summarizeIngestionResult } from '../lib/ingestionStatus';
+
+interface UseFetchSymbolDataOptions {
+  includeSymbolPrefix?: boolean;
+  invalidatePipelineReadiness?: boolean;
+}
+
+export function useFetchSymbolData(options: UseFetchSymbolDataOptions = {}) {
+  const { includeSymbolPrefix = false, invalidatePipelineReadiness = false } = options;
+  const queryClient = useQueryClient();
+  const { addToast } = useToast();
+
+  return useMutation({
+    mutationFn: (symbol: string) => fetchData(symbol),
+    onSuccess: (result: FetchDataResult, symbol: string) => {
+      const normalized = symbol.toUpperCase();
+      const summary = summarizeIngestionResult(result, normalized);
+      const toastMessage = includeSymbolPrefix
+        ? `${normalized}: ${summary.message}`
+        : summary.message;
+      addToast(summary.toastType, toastMessage);
+
+      queryClient.invalidateQueries({ queryKey: ['ohlcv', symbol] });
+      queryClient.invalidateQueries({ queryKey: ['sentiment', symbol] });
+      queryClient.invalidateQueries({ queryKey: ['fundamentals', symbol] });
+      queryClient.invalidateQueries({ queryKey: ['sr-levels', symbol] });
+      queryClient.invalidateQueries({ queryKey: ['scores', symbol] });
+
+      if (invalidatePipelineReadiness) {
+        queryClient.invalidateQueries({ queryKey: ['admin', 'pipeline-readiness'] });
+      }
+    },
+    onError: (err: Error, symbol: string) => {
+      const normalized = symbol.toUpperCase();
+      const prefix = includeSymbolPrefix ? `${normalized}: ` : '';
+      addToast('error', `${prefix}${err.message || 'Failed to fetch data'}`);
+    },
+  });
+}