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import useSWR, { responseInterface } from 'swr';
import _ from 'lodash';
import { get } from '../requests';
type Response<T> = responseInterface<T, Error>;
const fetcher = (endpoint: string) => get(endpoint).then(response => response.data);
const hooks: any = {};
const registerServiceHooks = <Item = any>(service: string): void => {
const useList = (query = '', options = {}): Response<Item[]> => {
return useSWR(`/${service}${query}`, fetcher, options);
};
const useItem = (_id: string): Response<Item> => {
const { data: preloadedItems } = useList('', { revalidateOnMount: false });
const result = useSWR(_id && `/${service}/${_id}`, fetcher);
if (!result.data && result.isValidating) {
// If we are waiting for the first result, check if we can maybe
// get the data from already cached list for the time-being
const item = _.find(preloadedItems, { _id });
return { ...result, data: item } as Response<Item>;
}
return result;
};
hooks[service] = { useItem, useList };
};
hooks.account = {
useList: () => {
const { data: transfers } = useSWR('/transfers', fetcher);
const dates = _.groupBy(transfers, 'date');
const dataUnsorted = _.map(dates, (dateTransfers, date) => ({
date,
amount: _
.sumBy(dateTransfers, transfer => transfer.amount * (transfer.operation === 'in' ? 1 : -1))
.toFixed(1),
}));
const data = _.sortBy(dataUnsorted, 'date').reverse();
return { data };
},
};
export { registerServiceHooks };
export default hooks;
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