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import { Gridicon } from '@automattic/components';
import { useTranslate, TranslateResult } from 'i18n-calypso';
import { useMemo } from 'react';
import { settingsPath } from 'calypso/lib/jetpack/paths';
export enum StorageUnits {
Gigabyte = 2 ** 30,
Terabyte = 2 ** 40,
}
type ConvertedUnitAmount = {
unitAmount: number;
unit: StorageUnits;
};
const getAppropriateStorageUnit = ( bytes: number ): StorageUnits => {
if ( bytes < StorageUnits.Terabyte ) {
return StorageUnits.Gigabyte;
}
return StorageUnits.Terabyte;
};
const bytesToUnit = ( bytes: number, unit: StorageUnits ) => bytes / unit;
export const convertBytesToUnitAmount = ( bytes: number ): ConvertedUnitAmount => {
const unit = getAppropriateStorageUnit( bytes );
const unitAmount = bytesToUnit( bytes, unit );
return { unitAmount, unit };
};
export const useStorageUsageText = (
bytesUsed: number | undefined,
bytesAvailable: number | undefined
): TranslateResult | null => {
const translate = useTranslate();
return useMemo( () => {
if ( bytesUsed === undefined ) {
return null;
}
const usedGigabytes = bytesToUnit( bytesUsed, StorageUnits.Gigabyte );
if ( bytesAvailable === undefined ) {
return translate(
'{{usedStorage}}%(usedGigabytes).1fGB{{/usedStorage}} used',
'{{usedStorage}}%(usedGigabytes).1fGB{{/usedStorage}} used',
{
count: usedGigabytes,
args: { usedGigabytes },
comment:
'Must use unit abbreviation; describes an amount of storage space in gigabytes (e.g., 15.4GB used)',
components: { usedStorage: <span className="used-space__span" /> },
}
);
}
const { unitAmount: availableUnitAmount, unit: availableUnit } =
convertBytesToUnitAmount( bytesAvailable );
if ( availableUnit === StorageUnits.Gigabyte ) {
return translate(
'Using {{usedStorage}}%(usedGigabytes).1fGB{{/usedStorage}} of %(availableUnitAmount)dGB',
'Using {{usedStorage}}%(usedGigabytes).1fGB{{/usedStorage}} of %(availableUnitAmount)dGB',
{
count: usedGigabytes,
args: { usedGigabytes, availableUnitAmount },
comment:
'Must use unit abbreviation; describes used vs available storage amounts (e.g., Using 20.0GB of 30GB, Using 0.5GB of 20GB)',
components: { usedStorage: <span className="used-space__span" /> },
}
);
}
if ( availableUnit === StorageUnits.Terabyte && availableUnitAmount % 1 !== 0 ) {
return translate(
'Using {{usedStorage}}%(usedGigabytes).1fGB{{/usedStorage}} of %(availableUnitAmount).2fTB',
'Using {{usedStorage}}%(usedGigabytes).1fGB{{/usedStorage}} of %(availableUnitAmount).2fTB',
{
count: usedGigabytes,
args: { usedGigabytes, availableUnitAmount },
comment:
'Must use unit abbreviation; describes used vs available storage amounts (e.g., Using 20.0GB of 1.01TB, Using 0.5GB of 2TB)',
components: { usedStorage: <span className="used-space__span" /> },
}
);
}
return translate(
'Using {{usedStorage}}%(usedGigabytes).1fGB{{/usedStorage}} of %(availableUnitAmount)dTB',
'Using {{usedStorage}}%(usedGigabytes).1fGB{{/usedStorage}} of %(availableUnitAmount)dTB',
{
count: usedGigabytes,
args: { usedGigabytes, availableUnitAmount },
comment:
'Must use unit abbreviation; describes used vs available storage amounts (e.g., Using 20.0GB of 1TB, Using 0.5GB of 2TB)',
components: { usedStorage: <span className="used-space__span" /> },
}
);
}, [ translate, bytesUsed, bytesAvailable ] );
};
export const useDaysOfBackupsSavedText = (
daysOfBackupsSaved: number | undefined,
siteSlug: string
): TranslateResult | null => {
const translate = useTranslate();
return useMemo( () => {
if ( undefined === daysOfBackupsSaved || 0 === daysOfBackupsSaved ) {
return null;
}
const daysOfBackupsSavedLinkTarget = settingsPath( siteSlug );
return translate(
'{{a}}%(daysOfBackupsSaved)d day of backups saved {{icon/}}{{/a}}',
'{{a}}%(daysOfBackupsSaved)d days of backups saved {{icon/}}{{/a}}',
{
count: daysOfBackupsSaved,
args: { daysOfBackupsSaved },
components: {
a: <a href={ daysOfBackupsSavedLinkTarget } />,
icon: <Gridicon icon="cog" size={ 16 } />,
},
}
);
}, [ translate, daysOfBackupsSaved, siteSlug ] );
};
/**
* The idea is to convert any storage amount in bytes to a human readable format.
* @param storageInBytes The storage amount in bytes
* @returns The storage amount in a human readable format
*/
export const useStorageText = ( storageInBytes: number ): TranslateResult | string => {
const translate = useTranslate();
return useMemo( () => {
if ( storageInBytes && storageInBytes >= 0 ) {
const { unitAmount, unit } = convertBytesToUnitAmount( storageInBytes );
switch ( unit ) {
case StorageUnits.Gigabyte:
if ( unitAmount % 1 === 0 ) {
return translate( '%(storageInBytes)dGB', {
args: { storageInBytes: unitAmount },
comment: 'Must use unit abbreviation; describes an storage amounts (e.g., 20GB)',
} );
}
return translate( '%(storageInBytes).1fGB', {
args: { storageInBytes: unitAmount },
comment:
'Must use unit abbreviation; describes an storage amounts with 1 decimal point (e.g., 20.0GB)',
} );
case StorageUnits.Terabyte:
if ( unitAmount % 1 === 0 ) {
return translate( '%(storageInBytes)dTB', {
args: { storageInBytes: unitAmount },
comment: 'Must use unit abbreviation; describes an storage amounts (e.g., 1TB)',
} );
}
return translate( '%(storageInBytes).2fTB', {
args: { storageInBytes: unitAmount },
comment:
'Must use unit abbreviation; describes an storage amounts with 2 decimal point (e.g., 1.50TB)',
} );
}
}
return '';
}, [ translate, storageInBytes ] );
};
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