feat: Allow half stars for reviews

src/components/reviews/ReviewForm.tsx

@@ -12,9 +12,10 @@ import { useAuth } from '@/hooks/useAuth';
 import { supabase } from '@/integrations/supabase/client';
 import { toast } from '@/hooks/use-toast';
 import { PhotoUpload } from '@/components/upload/PhotoUpload';
+import { StarRating } from './StarRating';
 
 const reviewSchema = z.object({
-  rating: z.number().min(1).max(5),
+  rating: z.number().min(0.5).max(5).multipleOf(0.5),
   title: z.string().optional(),
   content: z.string().min(10, 'Review must be at least 10 characters long'),
   visit_date: z.string().optional(),
@@ -47,7 +48,7 @@ export function ReviewForm({ entityType, entityId, entityName, onReviewSubmitted
     resolver: zodResolver(reviewSchema)
   });
 
-  const handleRatingClick = (selectedRating: number) => {
+  const handleRatingChange = (selectedRating: number) => {
     setRating(selectedRating);
     setValue('rating', selectedRating);
   };
@@ -130,29 +131,13 @@ export function ReviewForm({ entityType, entityId, entityName, onReviewSubmitted
           {/* Rating */}
           <div className="space-y-2">
             <Label>Rating *</Label>
-            <div className="flex items-center gap-1">
-              {Array.from({ length: 5 }, (_, i) => (
-                <button
-                  key={i}
-                  type="button"
-                  onClick={() => handleRatingClick(i + 1)}
-                  className="text-2xl hover:scale-110 transition-transform"
-                >
-                  <Star
-                    className={`w-8 h-8 ${
-                      i < rating 
-                        ? 'fill-yellow-400 text-yellow-400' 
-                        : 'text-muted-foreground hover:text-yellow-400'
-                    }`}
+            <StarRating
+              rating={rating}
+              onChange={handleRatingChange}
+              interactive={true}
+              showLabel={true}
+              size="lg"
             />
-                </button>
-              ))}
-              {rating > 0 && (
-                <span className="ml-2 text-sm text-muted-foreground">
-                  {rating} star{rating !== 1 ? 's' : ''}
-                </span>
-              )}
-            </div>
             {errors.rating && (
               <p className="text-sm text-destructive">Please select a rating</p>
             )}

src/components/reviews/ReviewsList.tsx

@@ -5,6 +5,7 @@ import { Avatar, AvatarFallback, AvatarImage } from '@/components/ui/avatar';
 import { Star, ThumbsUp, Calendar, MapPin } from 'lucide-react';
 import { supabase } from '@/integrations/supabase/client';
 import { ReportButton } from '@/components/moderation/ReportButton';
+import { StarRating } from './StarRating';
 
 interface ReviewWithProfile {
   id: string;
@@ -69,16 +70,7 @@ export function ReviewsList({ entityType, entityId, entityName }: ReviewsListPro
   };
 
   const renderStars = (rating: number) => {
-    return Array.from({ length: 5 }, (_, i) => (
-      <Star
-        key={i}
-        className={`w-4 h-4 ${
-          i < rating 
-            ? 'fill-yellow-400 text-yellow-400' 
-            : 'text-muted-foreground'
-        }`}
-      />
-    ));
+    return <StarRating rating={rating} size="sm" />;
   };
 
   const formatDate = (dateString: string) => {
@@ -161,6 +153,9 @@ export function ReviewsList({ entityType, entityId, entityName }: ReviewsListPro
                     </div>
                     <div className="flex items-center gap-1">
                       {renderStars(review.rating)}
+                      <span className="ml-1 text-sm font-medium">
+                        {review.rating}
+                      </span>
                     </div>
                   </div>
 

src/components/reviews/StarRating.tsx

@@ -0,0 +1,110 @@
+import { useState } from 'react';
+import { Star } from 'lucide-react';
+import { cn } from '@/lib/utils';
+
+interface StarRatingProps {
+  rating: number;
+  onChange?: (rating: number) => void;
+  size?: 'sm' | 'md' | 'lg';
+  interactive?: boolean;
+  showLabel?: boolean;
+  className?: string;
+}
+
+export function StarRating({ 
+  rating, 
+  onChange, 
+  size = 'md', 
+  interactive = false, 
+  showLabel = false,
+  className 
+}: StarRatingProps) {
+  const [hoverRating, setHoverRating] = useState(0);
+  
+  const sizes = {
+    sm: 'w-4 h-4',
+    md: 'w-6 h-6',
+    lg: 'w-8 h-8'
+  };
+
+  const starSize = sizes[size];
+  const displayRating = hoverRating || rating;
+
+  const handleStarClick = (starIndex: number, isHalf: boolean) => {
+    if (!interactive || !onChange) return;
+    const newRating = starIndex + (isHalf ? 0.5 : 1);
+    onChange(newRating);
+  };
+
+  const handleStarHover = (starIndex: number, isHalf: boolean) => {
+    if (!interactive) return;
+    const newHoverRating = starIndex + (isHalf ? 0.5 : 1);
+    setHoverRating(newHoverRating);
+  };
+
+  const handleMouseLeave = () => {
+    if (!interactive) return;
+    setHoverRating(0);
+  };
+
+  const renderStar = (index: number) => {
+    const starValue = index + 1;
+    const isFullStar = displayRating >= starValue;
+    const isHalfStar = displayRating >= starValue - 0.5 && displayRating < starValue;
+
+    const getStarFill = () => {
+      if (isFullStar) return '100%';
+      if (isHalfStar) return '50%';
+      return '0%';
+    };
+
+    return (
+      <div key={index} className="relative inline-block">
+        {/* Background unfilled star */}
+        <Star className={cn(starSize, 'text-muted-foreground')} />
+        
+        {/* Filled star overlay */}
+        <div 
+          className="absolute inset-0 overflow-hidden"
+          style={{ width: getStarFill() }}
+        >
+          <Star className={cn(starSize, 'fill-yellow-400 text-yellow-400')} />
+        </div>
+        
+        {/* Interactive click areas */}
+        {interactive && (
+          <>
+            {/* Left half click area */}
+            <div
+              className="absolute top-0 left-0 w-1/2 h-full cursor-pointer z-10"
+              onClick={() => handleStarClick(index, true)}
+              onMouseEnter={() => handleStarHover(index, true)}
+              onMouseLeave={handleMouseLeave}
+            />
+            
+            {/* Right half click area */}
+            <div
+              className="absolute top-0 right-0 w-1/2 h-full cursor-pointer z-10"
+              onClick={() => handleStarClick(index, false)}
+              onMouseEnter={() => handleStarHover(index, false)}
+              onMouseLeave={handleMouseLeave}
+            />
+          </>
+        )}
+      </div>
+    );
+  };
+
+  return (
+    <div className={cn('flex items-center gap-1', className)}>
+      <div className="flex items-center">
+        {Array.from({ length: 5 }, (_, i) => renderStar(i))}
+      </div>
+      {showLabel && (
+        <span className="ml-2 text-sm text-muted-foreground">
+          {displayRating} star{displayRating !== 1 ? 's' : ''}
+        </span>
+      )}
+    </div>
+  );
+}