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import { map, mapValues } from 'lodash';
import { TIMEZONES_REQUEST } from 'calypso/state/action-types';
import { registerHandlers } from 'calypso/state/data-layer/handler-registry';
import { http } from 'calypso/state/data-layer/wpcom-http/actions';
import { dispatchRequest } from 'calypso/state/data-layer/wpcom-http/utils';
import { timezonesReceive } from 'calypso/state/timezones/actions';
const noop = () => {};
/**
* Converts an value/label pairs from API into object whose
* keys are the values and whose values are the labels.
* @example
* valueLabelToObject( [ { value: 'foo', label: 'bar' }, { value: 'biz', label: 'bat' } ] )
* // returns { foo: 'bar', biz: 'bat' }
* @param {Array} pairs - timezone values and display labels
* @returns {Object} object whose keys are timezone values, values are timezone labels
*/
const timezonePairsToMap = ( pairs ) =>
Object.fromEntries( map( pairs, ( { label, value } ) => [ value, label ] ) );
/**
* Normalize data gotten from the REST API making them more Calypso friendly.
* @returns {Object} normalized timezones data.
*/
export const fromApi = ( { manual_utc_offsets, timezones, timezones_by_continent } ) => ( {
rawOffsets: timezonePairsToMap( manual_utc_offsets ),
labels: timezonePairsToMap( timezones ),
byContinents: mapValues( timezones_by_continent, ( zones ) =>
map( zones, ( { value } ) => value )
),
} );
/*
* Start a request to WordPress.com server to get the timezones data
*/
export const fetchTimezones = ( action ) =>
http(
{
method: 'GET',
path: '/timezones',
apiNamespace: 'wpcom/v2',
},
action
);
export const addTimezones = ( action, data ) => timezonesReceive( data );
registerHandlers( 'state/data-layer/wpcom/timezones/index.js', {
[ TIMEZONES_REQUEST ]: [
dispatchRequest( {
fetch: fetchTimezones,
onSuccess: addTimezones,
onError: noop,
fromApi,
} ),
],
} );
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