Initial commit - WhyRating Engine (Google Reviews Scraper)

web/contexts/ReviewIQFilterContext.tsx

@@ -0,0 +1,117 @@
+'use client';
+
+import React, { createContext, useContext, useState, useMemo, useCallback } from 'react';
+import type {
+  ReviewIQFilters,
+  ReviewIQFilterContextValue,
+  TimeRange,
+  Sentiment,
+  URTDomain,
+  Intensity,
+} from '@/components/reviewiq/types';
+
+const defaultFilters: ReviewIQFilters = {
+  timeRange: 'all',
+  sentiment: [],
+  urtDomain: null,
+  intensity: [],
+  brushRange: null,
+};
+
+const ReviewIQFilterContext = createContext<ReviewIQFilterContextValue | null>(null);
+
+export function ReviewIQFilterProvider({ children }: { children: React.ReactNode }) {
+  const [filters, setFilters] = useState<ReviewIQFilters>(defaultFilters);
+
+  const toggleSentiment = useCallback((s: Sentiment) => {
+    setFilters((prev) => ({
+      ...prev,
+      sentiment: prev.sentiment.includes(s)
+        ? prev.sentiment.filter((x) => x !== s)
+        : [...prev.sentiment, s],
+    }));
+  }, []);
+
+  const setURTDomain = useCallback((domain: URTDomain | null) => {
+    setFilters((prev) => ({
+      ...prev,
+      urtDomain: prev.urtDomain === domain ? null : domain,
+    }));
+  }, []);
+
+  const toggleIntensity = useCallback((i: Intensity) => {
+    setFilters((prev) => ({
+      ...prev,
+      intensity: prev.intensity.includes(i)
+        ? prev.intensity.filter((x) => x !== i)
+        : [...prev.intensity, i],
+    }));
+  }, []);
+
+  const setTimeRange = useCallback((range: TimeRange) => {
+    setFilters((prev) => ({
+      ...prev,
+      timeRange: range,
+      brushRange: null, // Clear brush when time range changes
+    }));
+  }, []);
+
+  const setBrushRange = useCallback((range: { start: string; end: string } | null) => {
+    setFilters((prev) => ({
+      ...prev,
+      brushRange: range,
+    }));
+  }, []);
+
+  const clearFilters = useCallback(() => {
+    setFilters(defaultFilters);
+  }, []);
+
+  const hasActiveFilters = useMemo(() => {
+    return (
+      filters.timeRange !== 'all' ||
+      filters.sentiment.length > 0 ||
+      filters.urtDomain !== null ||
+      filters.intensity.length > 0 ||
+      filters.brushRange !== null
+    );
+  }, [filters]);
+
+  const value = useMemo<ReviewIQFilterContextValue>(
+    () => ({
+      filters,
+      setFilters,
+      toggleSentiment,
+      setURTDomain,
+      toggleIntensity,
+      setTimeRange,
+      setBrushRange,
+      clearFilters,
+      hasActiveFilters,
+    }),
+    [
+      filters,
+      toggleSentiment,
+      setURTDomain,
+      toggleIntensity,
+      setTimeRange,
+      setBrushRange,
+      clearFilters,
+      hasActiveFilters,
+    ]
+  );
+
+  return (
+    <ReviewIQFilterContext.Provider value={value}>
+      {children}
+    </ReviewIQFilterContext.Provider>
+  );
+}
+
+export function useReviewIQFilters(): ReviewIQFilterContextValue {
+  const context = useContext(ReviewIQFilterContext);
+  if (!context) {
+    throw new Error('useReviewIQFilters must be used within ReviewIQFilterProvider');
+  }
+  return context;
+}