Optimize recent changes query

src/components/common/Pagination.tsx

@@ -0,0 +1,87 @@
+import { Button } from '@/components/ui/button';
+import { ChevronLeft, ChevronRight } from 'lucide-react';
+
+interface PaginationProps {
+  currentPage: number;
+  totalPages: number;
+  onPageChange: (page: number) => void;
+  isLoading?: boolean;
+}
+
+export function Pagination({ currentPage, totalPages, onPageChange, isLoading }: PaginationProps) {
+  const getPageNumbers = () => {
+    const pages: (number | string)[] = [];
+    const showPages = 5;
+    
+    if (totalPages <= showPages) {
+      for (let i = 1; i <= totalPages; i++) {
+        pages.push(i);
+      }
+    } else {
+      if (currentPage <= 3) {
+        for (let i = 1; i <= 4; i++) pages.push(i);
+        pages.push('...');
+        pages.push(totalPages);
+      } else if (currentPage >= totalPages - 2) {
+        pages.push(1);
+        pages.push('...');
+        for (let i = totalPages - 3; i <= totalPages; i++) pages.push(i);
+      } else {
+        pages.push(1);
+        pages.push('...');
+        for (let i = currentPage - 1; i <= currentPage + 1; i++) pages.push(i);
+        pages.push('...');
+        pages.push(totalPages);
+      }
+    }
+    
+    return pages;
+  };
+
+  if (totalPages <= 1) return null;
+
+  return (
+    <div className="flex items-center justify-center gap-2 mt-8">
+      <Button
+        variant="outline"
+        size="sm"
+        onClick={() => onPageChange(currentPage - 1)}
+        disabled={currentPage === 1 || isLoading}
+      >
+        <ChevronLeft className="w-4 h-4" />
+        Previous
+      </Button>
+
+      <div className="flex items-center gap-1">
+        {getPageNumbers().map((page, idx) => (
+          typeof page === 'number' ? (
+            <Button
+              key={idx}
+              variant={currentPage === page ? 'default' : 'outline'}
+              size="sm"
+              onClick={() => onPageChange(page)}
+              disabled={isLoading}
+              className="min-w-[40px]"
+            >
+              {page}
+            </Button>
+          ) : (
+            <span key={idx} className="px-2 text-muted-foreground">
+              {page}
+            </span>
+          )
+        ))}
+      </div>
+
+      <Button
+        variant="outline"
+        size="sm"
+        onClick={() => onPageChange(currentPage + 1)}
+        disabled={currentPage === totalPages || isLoading}
+      >
+        Next
+        <ChevronRight className="w-4 h-4" />
+      </Button>
+    </div>
+  );
+}

src/hooks/parks/useParks.ts

@@ -0,0 +1,34 @@
+import { useQuery } from '@tanstack/react-query';
+import { supabase } from '@/integrations/supabase/client';
+
+interface UseParksOptions {
+  enabled?: boolean;
+}
+
+/**
+ * Hook to fetch all parks with caching
+ * Loads all parks for client-side filtering
+ */
+export function useParks({ enabled = true }: UseParksOptions = {}) {
+  return useQuery({
+    queryKey: ['parks', 'all'],
+    queryFn: async () => {
+      const { data, error } = await supabase
+        .from('parks')
+        .select(`
+          *,
+          location:locations(*),
+          operator:companies!parks_operator_id_fkey(*),
+          property_owner:companies!parks_property_owner_id_fkey(*)
+        `)
+        .order('name');
+
+      if (error) throw error;
+      return data || [];
+    },
+    enabled,
+    staleTime: 5 * 60 * 1000, // 5 minutes
+    gcTime: 15 * 60 * 1000, // 15 minutes
+    refetchOnWindowFocus: false,
+  });
+}

src/hooks/rides/useRides.ts

@@ -0,0 +1,34 @@
+import { useQuery } from '@tanstack/react-query';
+import { supabase } from '@/integrations/supabase/client';
+
+interface UseRidesOptions {
+  enabled?: boolean;
+}
+
+/**
+ * Hook to fetch all rides with caching
+ * Loads all rides for client-side filtering
+ */
+export function useRides({ enabled = true }: UseRidesOptions = {}) {
+  return useQuery({
+    queryKey: ['rides', 'all'],
+    queryFn: async () => {
+      const { data, error } = await supabase
+        .from('rides')
+        .select(`
+          *, 
+          park:parks!inner(name, slug, location:locations(*)),
+          manufacturer:companies!rides_manufacturer_id_fkey(*),
+          designer:companies!rides_designer_id_fkey(*)
+        `)
+        .order('name');
+
+      if (error) throw error;
+      return data || [];
+    },
+    enabled,
+    staleTime: 5 * 60 * 1000, // 5 minutes
+    gcTime: 15 * 60 * 1000, // 15 minutes
+    refetchOnWindowFocus: false,
+  });
+}

src/lib/queryInvalidation.ts

@@ -94,5 +94,21 @@ export function useQueryInvalidation() {
         });
       }
     },
+
+    /**
+     * Invalidate parks listing cache
+     * Call this after creating/updating/deleting parks
+     */
+    invalidateParks: () => {
+      queryClient.invalidateQueries({ queryKey: ['parks'] });
+    },
+
+    /**
+     * Invalidate rides listing cache
+     * Call this after creating/updating/deleting rides
+     */
+    invalidateRides: () => {
+      queryClient.invalidateQueries({ queryKey: ['rides'] });
+    },
   };
 }

src/pages/Parks.tsx

@@ -37,6 +37,8 @@ import { useAuth } from '@/hooks/useAuth';
 import { useUserRole } from '@/hooks/useUserRole';
 import { useAuthModal } from '@/hooks/useAuthModal';
 import { useOpenGraph } from '@/hooks/useOpenGraph';
+import { useParks } from '@/hooks/parks/useParks';
+import { Pagination } from '@/components/common/Pagination';
 
 export interface FilterState {
   search: string;
@@ -91,13 +93,12 @@ const initialSort: SortState = {
 };
 
 export default function Parks() {
-  const [parks, setParks] = useState<Park[]>([]);
-  const [loading, setLoading] = useState(true);
   const [filters, setFilters] = useState<FilterState>(initialFilters);
   const [sort, setSort] = useState<SortState>(initialSort);
   const [viewMode, setViewMode] = useState<'grid' | 'list'>('grid');
   const [showFilters, setShowFilters] = useState(false);
   const [isAddParkModalOpen, setIsAddParkModalOpen] = useState(false);
+  const [currentPage, setCurrentPage] = useState(1);
   const [sidebarCollapsed, setSidebarCollapsed] = useState(() => {
     const saved = localStorage.getItem('parks-sidebar-collapsed');
     return saved ? JSON.parse(saved) : false;
@@ -108,40 +109,23 @@ export default function Parks() {
   const { isModerator } = useUserRole();
   const { requireAuth } = useAuthModal();
 
-  useEffect(() => {
+  // Use TanStack Query hook for data fetching with caching
-    fetchParks();
+  const { data: parks = [], isLoading: loading, error } = useParks();
-  }, []);
 
   useEffect(() => {
     localStorage.setItem('parks-sidebar-collapsed', JSON.stringify(sidebarCollapsed));
   }, [sidebarCollapsed]);
 
-  const fetchParks = async () => {
+  // Show error toast if query fails
-    try {
+  useEffect(() => {
-      setLoading(true);
+    if (error) {
-      const { data, error } = await supabase
-        .from('parks')
-        .select(`
-          *,
-          location:locations(*),
-          operator:companies!parks_operator_id_fkey(*),
-          property_owner:companies!parks_property_owner_id_fkey(*)
-        `)
-        .order('name');
-
-      if (error) throw error;
-      setParks(data || []);
-    } catch (error) {
-      console.error('Error fetching parks:', error);
       toast({
         variant: "destructive",
         title: "Error loading parks",
         description: error instanceof Error ? error.message : 'Failed to load parks',
       });
-    } finally {
-      setLoading(false);
     }
-  };
+  }, [error, toast]);
 
   const filteredAndSortedParks = useMemo(() => {
     let filtered = parks.filter(park => {
@@ -333,6 +317,21 @@ export default function Parks() {
     navigate(`/parks/${park.slug}`);
   };
 
+  // Pagination for display
+  const ITEMS_PER_PAGE = 24;
+  const paginatedParks = useMemo(() => {
+    const start = (currentPage - 1) * ITEMS_PER_PAGE;
+    const end = start + ITEMS_PER_PAGE;
+    return filteredAndSortedParks.slice(start, end);
+  }, [filteredAndSortedParks, currentPage]);
+
+  const totalPages = Math.ceil(filteredAndSortedParks.length / ITEMS_PER_PAGE);
+
+  // Reset to page 1 when filters change
+  useEffect(() => {
+    setCurrentPage(1);
+  }, [filters, sort]);
+
   const handleParkSubmit = async (parkData: any) => {
     try {
       const { submitParkCreation } = await import('@/lib/entitySubmissionHelpers');
@@ -548,14 +547,21 @@ export default function Parks() {
               <div>
                 {viewMode === 'grid' ? (
                   <ParkGridView 
-                    parks={filteredAndSortedParks} 
+                    parks={paginatedParks} 
                   />
                 ) : (
                   <ParkListView 
-                    parks={filteredAndSortedParks} 
+                    parks={paginatedParks} 
                     onParkClick={handleParkClick}
                   />
                 )}
+                
+                <Pagination
+                  currentPage={currentPage}
+                  totalPages={totalPages}
+                  onPageChange={setCurrentPage}
+                  isLoading={loading}
+                />
               </div>
             ) : (
               <div className="text-center py-12">

src/pages/Rides.tsx

@@ -24,6 +24,8 @@ import { getErrorMessage } from '@/lib/errorHandler';
 import { useAuthModal } from '@/hooks/useAuthModal';
 import { useDocumentTitle } from '@/hooks/useDocumentTitle';
 import { useOpenGraph } from '@/hooks/useOpenGraph';
+import { useRides } from '@/hooks/rides/useRides';
+import { Pagination } from '@/components/common/Pagination';
 
 export default function Rides() {
   useDocumentTitle('Rides & Attractions');
@@ -31,45 +33,35 @@ export default function Rides() {
   const { user } = useAuth();
   const { isModerator } = useUserRole();
   const { requireAuth } = useAuthModal();
-  const [rides, setRides] = useState<Ride[]>([]);
-  const [loading, setLoading] = useState(true);
   const [searchQuery, setSearchQuery] = useState('');
   const [sortBy, setSortBy] = useState('name');
   const [filters, setFilters] = useState<RideFilterState>(defaultRideFilters);
   const [showFilters, setShowFilters] = useState(false);
   const [viewMode, setViewMode] = useState<'grid' | 'list'>('grid');
   const [isCreateModalOpen, setIsCreateModalOpen] = useState(false);
+  const [currentPage, setCurrentPage] = useState(1);
   const [sidebarCollapsed, setSidebarCollapsed] = useState(() => {
     const saved = localStorage.getItem('rides-sidebar-collapsed');
     return saved ? JSON.parse(saved) : false;
   });
 
-  useEffect(() => {
+  // Use TanStack Query hook for data fetching with caching
-    fetchRides();
+  const { data: rides = [], isLoading: loading, error } = useRides();
-  }, []);
 
   useEffect(() => {
     localStorage.setItem('rides-sidebar-collapsed', JSON.stringify(sidebarCollapsed));
   }, [sidebarCollapsed]);
 
-  const fetchRides = async () => {
+  // Show error toast if query fails
-    try {
+  useEffect(() => {
-      const { data } = await supabase
+    if (error) {
-        .from('rides')
+      toast({
-        .select(`
+        title: "Error loading rides",
-          *, 
+        description: error instanceof Error ? error.message : 'Failed to load rides',
-          park:parks!inner(name, slug, location:locations(*)),
+        variant: "destructive"
-          manufacturer:companies!rides_manufacturer_id_fkey(*),
+      });
-          designer:companies!rides_designer_id_fkey(*)
-        `)
-        .order('name');
-      setRides(data || []);
-    } catch (error) {
-      console.error('Error fetching rides:', error);
-    } finally {
-      setLoading(false);
     }
-  };
+  }, [error]);
 
   const handleCreateSubmit = async (data: any) => {
     try {
@@ -138,8 +130,8 @@ export default function Rides() {
 
       // Parks filter
       if (filters.parks.length > 0) {
-        const parkId = (ride.park as Park)?.id;
+        // Use park_id from the ride object, not the nested park
-        if (!parkId || !filters.parks.includes(parkId)) {
+        if (!ride.park_id || !filters.parks.includes(ride.park_id)) {
           return false;
         }
       }
@@ -284,6 +276,21 @@ export default function Rides() {
     return filtered;
   }, [rides, searchQuery, sortBy, filters]);
 
+  // Pagination for display
+  const ITEMS_PER_PAGE = 24;
+  const paginatedRides = React.useMemo(() => {
+    const start = (currentPage - 1) * ITEMS_PER_PAGE;
+    const end = start + ITEMS_PER_PAGE;
+    return filteredAndSortedRides.slice(start, end);
+  }, [filteredAndSortedRides, currentPage]);
+
+  const totalPages = Math.ceil(filteredAndSortedRides.length / ITEMS_PER_PAGE);
+
+  // Reset to page 1 when filters change
+  useEffect(() => {
+    setCurrentPage(1);
+  }, [filters, sortBy, searchQuery]);
+
   const generateDescription = () => {
     if (!filteredAndSortedRides.length) return 'Discover thrilling rides and roller coasters worldwide';
     
@@ -488,15 +495,24 @@ export default function Rides() {
           {/* Results Area */}
           <div className="flex-1 min-w-0">
             {filteredAndSortedRides.length > 0 ? (
-              viewMode === 'grid' ? (
+              <div>
+                {viewMode === 'grid' ? (
                   <div className="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-3 lg:grid-cols-4 xl:grid-cols-5 2xl:grid-cols-6 3xl:grid-cols-7 gap-4 lg:gap-5 xl:gap-4 2xl:gap-5">
-                  {filteredAndSortedRides.map((ride) => (
+                    {paginatedRides.map((ride) => (
                       <RideCard key={ride.id} ride={ride} showParkName={true} />
                     ))}
                   </div>
                 ) : (
-                <RideListView rides={filteredAndSortedRides} onRideClick={(ride) => navigate(`/parks/${ride.park?.slug}/rides/${ride.slug}`)} />
+                  <RideListView rides={paginatedRides} onRideClick={(ride) => navigate(`/parks/${ride.park?.slug}/rides/${ride.slug}`)} />
-              )
+                )}
+                
+                <Pagination
+                  currentPage={currentPage}
+                  totalPages={totalPages}
+                  onPageChange={setCurrentPage}
+                  isLoading={loading}
+                />
+              </div>
             ) : (
               <div className="text-center py-12">
                 <FerrisWheel className="w-16 h-16 mb-4 mx-auto text-muted-foreground" />