73 lines
1.7 KiB
JavaScript
73 lines
1.7 KiB
JavaScript
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/**
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* Internal dependencies
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*/
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import { ACTION_TYPES as types } from './action-types';
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import { hasInState, updateState } from '../utils';
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/**
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* Reducer for receiving items to a collection.
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*
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* @param {Object} state The current state in the store.
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* @param {Object} action Action object.
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*
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* @return {Object} New or existing state depending on if there are
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* any changes.
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*/
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const receiveCollection = ( state = {}, action ) => {
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// Update last modified and previous last modified values.
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if ( action.type === types.RECEIVE_LAST_MODIFIED ) {
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if ( action.timestamp === state.lastModified ) {
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return state;
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}
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return {
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...state,
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lastModified: action.timestamp,
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};
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}
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// When invalidating data, remove stored values from state.
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if ( action.type === types.INVALIDATE_RESOLUTION_FOR_STORE ) {
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return {};
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}
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const { type, namespace, resourceName, queryString, response } = action;
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// ids are stringified so they can be used as an index.
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const ids = action.ids ? JSON.stringify( action.ids ) : '[]';
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switch ( type ) {
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case types.RECEIVE_COLLECTION:
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if (
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hasInState( state, [
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namespace,
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resourceName,
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ids,
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queryString,
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] )
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) {
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return state;
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}
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state = updateState(
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state,
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[ namespace, resourceName, ids, queryString ],
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response
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);
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break;
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case types.RESET_COLLECTION:
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state = updateState(
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state,
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[ namespace, resourceName, ids, queryString ],
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response
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);
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break;
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case types.ERROR:
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state = updateState(
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state,
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[ namespace, resourceName, ids, queryString ],
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response
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);
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break;
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}
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return state;
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};
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export default receiveCollection;
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