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