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export interface QueryStatsParams {
date?: string;
start_date?: string;
days?: number;
max?: number;
num?: number;
period?: string;
summarize?: number;
filter_by_country?: string;
}
const getDaysOfMonthFromDate = ( date: string ): number => {
const dateObj = new Date( date );
const year = dateObj.getFullYear();
const month = dateObj.getMonth() + 1;
return new Date( year, month, 0 ).getDate();
};
const daysInYearFromDate = ( date: string ) => {
const dateObj = new Date( date );
const year = dateObj.getFullYear();
return ( year % 4 === 0 && year % 100 > 0 ) || year % 400 === 0 ? 366 : 365;
};
export const processQueryParams = ( query: QueryStatsParams ) => {
// `num` is only for the period `day`.
const num = query.num || 1;
// `max` is probably set to 0 to fetch all results.
const max = query.max ?? 10;
const date = query.date || new Date().toISOString().split( 'T' )[ 0 ];
// Calculate the number of days to query based on the period.
let days = num;
switch ( query.period ) {
case 'week':
days = 7;
break;
case 'month':
days = getDaysOfMonthFromDate( date );
break;
case 'year':
days = daysInYearFromDate( date );
break;
}
return {
...query,
start_date: query.start_date || '',
num,
max,
date,
days,
};
};
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