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import {
LogType,
PHPLog,
ServerLog,
useSiteLogsQuery,
} from 'calypso/data/hosting/use-site-logs-query';
import { useSelector } from 'calypso/state';
import { getSelectedSiteId } from 'calypso/state/ui/selectors';
import { toFilterParams } from './use-view';
import type { View } from '@wordpress/dataviews';
import type { Moment } from 'moment';
const EMPTY_ARRAY: ( ServerLog | PHPLog )[] = [];
/*
* Providing cached data while the new data is being fetched
* prevents table layout shifts from happening.
*
* However, the logs table has two schemas/fields (PHP or Web errors)
* so when the user changes the logType, we want to refresh the cached data.
* Otherwise, until the fresh data comes in, the table will display
* the number of rows of the cached data but with empty fields.
*/
const hasLogTypeChanged = ( logType: LogType, data: { logs?: ( PHPLog | ServerLog )[] } ) => {
if (
logType === LogType.PHP &&
!! data.logs &&
data.logs.length > 0 &&
'severity' in data.logs[ 0 ] &&
'message' in data.logs[ 0 ]
) {
return false;
}
if (
logType === LogType.WEB &&
!! data.logs &&
data.logs.length > 0 &&
'request_type' in data.logs[ 0 ] &&
'status' in data.logs[ 0 ]
) {
return false;
}
return true;
};
const useData = ( {
view,
logType,
startTime,
endTime,
}: {
view: View;
logType: LogType;
startTime: Moment;
endTime: Moment;
} ) => {
const siteId = useSelector( getSelectedSiteId );
const { data, isFetching, isLoading } = useSiteLogsQuery( siteId, {
logType,
start: startTime.unix(),
end: endTime.unix(),
filter: toFilterParams( { view, logType } ),
sortOrder: view.sort?.direction,
pageSize: view.perPage,
pageIndex: view.page,
} );
return {
data:
! data?.logs || hasLogTypeChanged( logType, data )
? EMPTY_ARRAY
: ( data.logs as ( PHPLog | ServerLog )[] ),
paginationInfo: {
totalItems: data?.total_results || 0,
totalPages:
!! data?.total_results && !! view.perPage
? Math.ceil( data.total_results / view.perPage )
: 0,
},
isLoading: isFetching,
isInitialLoad: isLoading,
};
};
export default useData;
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