unleash.unleash/frontend/src/hooks/api/getters/useApplicationOverview/useApplicationOverview.ts

import useSWR, { type SWRConfiguration } from 'swr';
import { formatApiPath } from 'utils/formatPath';
import handleErrorResponses from '../httpErrorResponseHandler';
import type { ApplicationOverviewSchema } from 'openapi';

const placeHolderApplication: ApplicationOverviewSchema = {
    environments: [],
    featureCount: 0,
    projects: [],
    issues: {
        missingStrategies: [],
    },
};
export const useApplicationOverview = (
    application: string,
    options: SWRConfiguration = {},
) => {
    const path = formatApiPath(
        `api/admin/metrics/applications/${application}/overview`,
    );
    const { data, error } = useSWR<ApplicationOverviewSchema>(
        path,
        fetcher,
        options,
    );

    return {
        data: data || placeHolderApplication,
        error,
        loading: !error && !data,
    };
};

const fetcher = async (path: string): Promise<ApplicationOverviewSchema> => {
    const res = await fetch(path).then(
        handleErrorResponses('Application overview'),
    );
    const data = await res.json();
    return data;
};