130 lines
2.4 KiB
JavaScript
130 lines
2.4 KiB
JavaScript
/**
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* Internal dependencies
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*/
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import { TYPES, DEFAULT_STATE, STATUS } from './constants';
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const {
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SET_PRISTINE,
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SET_PROCESSING,
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SET_PROCESSING_COMPLETE,
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SET_REDIRECT_URL,
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SET_COMPLETE,
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SET_HAS_ERROR,
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SET_NO_ERROR,
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INCREMENT_CALCULATING,
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DECREMENT_CALCULATING,
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SET_ORDER_ID,
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} = TYPES;
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const { PRISTINE, IDLE, PROCESSING, PROCESSING_COMPLETE, COMPLETE } = STATUS;
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/**
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* Reducer for the checkout state
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*
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* @param {Object} state Current state.
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* @param {Object} action Incoming action object.
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*/
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export const reducer = ( state = DEFAULT_STATE, { url, type, orderId } ) => {
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let newState;
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switch ( type ) {
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case SET_PRISTINE:
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newState = DEFAULT_STATE;
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break;
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case SET_REDIRECT_URL:
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newState =
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url !== state.url
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? {
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...state,
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redirectUrl: url,
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}
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: state;
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break;
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case SET_COMPLETE:
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newState =
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state.status !== COMPLETE
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? {
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...state,
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status: COMPLETE,
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}
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: state;
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break;
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case SET_PROCESSING:
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newState =
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state.status !== PROCESSING
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? {
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...state,
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status: PROCESSING,
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hasError: false,
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}
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: state;
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// clear any error state.
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newState =
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newState.hasError === false
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? newState
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: { ...newState, hasError: false };
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break;
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case SET_PROCESSING_COMPLETE:
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newState =
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state.status !== SET_PROCESSING_COMPLETE
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? {
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...state,
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status: PROCESSING_COMPLETE,
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hasError: false,
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}
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: state;
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break;
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case SET_HAS_ERROR:
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newState = state.hasError
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? state
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: {
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...state,
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hasError: true,
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};
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newState =
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state.status === PROCESSING ||
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state.status === PROCESSING_COMPLETE
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? {
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...newState,
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status: IDLE,
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}
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: newState;
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break;
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case SET_NO_ERROR:
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newState = state.hasError
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? {
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...state,
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hasError: false,
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}
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: state;
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break;
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case INCREMENT_CALCULATING:
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newState = {
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...state,
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calculatingCount: state.calculatingCount + 1,
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};
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break;
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case DECREMENT_CALCULATING:
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newState = {
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...state,
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calculatingCount: Math.max( 0, state.calculatingCount - 1 ),
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};
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break;
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case SET_ORDER_ID:
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newState = {
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...state,
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orderId,
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};
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break;
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}
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// automatically update state to idle from pristine as soon as it
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// initially changes.
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if (
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newState !== state &&
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type !== SET_PRISTINE &&
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newState.status === PRISTINE
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) {
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newState.status = IDLE;
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}
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return newState;
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};
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