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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | 3x 14x 14x 7x 6x 3x 3x 3x 3x 3x 4x | // src/hooks/mutations/useAddWatchedItemMutation.ts
import { useMutation, useQueryClient } from '@tanstack/react-query';
import * as apiClient from '../../services/apiClient';
import { notifySuccess, notifyError } from '../../services/notificationService';
import { queryKeyBases } from '../../config/queryKeys';
interface AddWatchedItemParams {
itemName: string;
category_id: number;
}
/**
* Mutation hook for adding an item to the user's watched items list.
*
* This hook provides optimistic updates and automatic cache invalidation.
* When the mutation succeeds, it invalidates the watched-items query to
* trigger a refetch of the updated list.
*
* @returns Mutation object with mutate function and state
*
* @example
* ```tsx
* const addWatchedItem = useAddWatchedItemMutation();
*
* const handleAdd = () => {
* addWatchedItem.mutate(
* { itemName: 'Milk', category_id: 3 },
* {
* onSuccess: () => console.log('Added!'),
* onError: (error) => console.error(error),
* }
* );
* };
* ```
*/
export const useAddWatchedItemMutation = () => {
const queryClient = useQueryClient();
return useMutation({
mutationFn: async ({ itemName, category_id }: AddWatchedItemParams) => {
const response = await apiClient.addWatchedItem(itemName, category_id);
if (!response.ok) {
const error = await response.json().catch(() => ({
message: `Request failed with status ${response.status}`,
}));
throw new Error(error.message || 'Failed to add watched item');
}
return response.json();
},
onSuccess: () => {
// Invalidate and refetch watched items to get the updated list
queryClient.invalidateQueries({ queryKey: queryKeyBases.watchedItems });
notifySuccess('Item added to watched list');
},
onError: (error: Error) => {
notifyError(error.message || 'Failed to add item to watched list');
},
});
};
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