first commit

lib/hooks/useFavorites.ts

@@ -0,0 +1,42 @@
+import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query"
+import { apiClient } from "@/lib/api"
+import type { Favorite } from "@/lib/types/api"
+
+export function useFavorites() {
+  return useQuery({
+    queryKey: ["favorites"],
+    queryFn: async () => {
+      const response = await apiClient.get<Favorite[]>("/favorites")
+      return response.data
+    },
+    staleTime: 1000 * 60 * 5,
+    retry: 1,
+  })
+}
+
+export function useAddToFavorites() {
+  const queryClient = useQueryClient()
+
+  return useMutation({
+    mutationFn: async (productId: number) => {
+      const response = await apiClient.post<Favorite[]>("/favorites", { product_id: productId })
+      return response.data
+    },
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["favorites"] })
+    },
+  })
+}
+
+export function useRemoveFromFavorites() {
+  const queryClient = useQueryClient()
+
+  return useMutation({
+    mutationFn: async (productId: number) => {
+      await apiClient.delete(`/favorites/${productId}`)
+    },
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["favorites"] })
+    },
+  })
+}