All files / src/app/core/store/customer/orders orders.reducer.ts

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import { EntityState, createEntityAdapter } from '@ngrx/entity';
import { createReducer, on } from '@ngrx/store';
 
import { HttpError } from 'ish-core/models/http-error/http-error.model';
import { OrderListQuery } from 'ish-core/models/order-list-query/order-list-query.model';
import { Order } from 'ish-core/models/order/order.model';
import { PagingInfo } from 'ish-core/models/paging-info/paging-info.model';
import { setErrorOn, setLoadingOn, unsetLoadingAndErrorOn } from 'ish-core/utils/ngrx-creators';
 
import {
  createOrder,
  createOrderFail,
  createOrderSuccess,
  loadOrder,
  loadOrderFail,
  loadOrderSuccess,
  loadOrders,
  loadOrdersFail,
  loadOrdersSuccess,
  resetOrderErrors,
  selectOrder,
} from './orders.actions';
 
export const orderAdapter = createEntityAdapter<Order>({
  selectId: order => order.id,
});
 
export interface OrdersState extends EntityState<Order> {
  loading: boolean;
  selected: string;
  query: OrderListQuery;
  error: HttpError;
  paging: PagingInfo;
}
 
const initialState: OrdersState = orderAdapter.getInitialState({
  loading: false,
  selected: undefined,
  query: undefined,
  error: undefined,
  paging: undefined,
});
 
export const ordersReducer = createReducer(
  initialState,
  setLoadingOn(createOrder, loadOrder, loadOrders),
  unsetLoadingAndErrorOn(createOrderSuccess, loadOrderSuccess, loadOrdersSuccess),
  setErrorOn(loadOrdersFail, loadOrderFail, createOrderFail),
  on(
    selectOrder,
    (state, action): OrdersState => ({
      ...state,
      selected: action.payload.orderId,
    })
  ),
 
  on(createOrderSuccess, loadOrderSuccess, (state, action) => {
    const { order } = action.payload;
 
    return order.id
      ? {
          ...orderAdapter.upsertOne(order, state),
          selected: order.id,
        }
      : state;
  }),
  on(loadOrdersSuccess, (state, action) => {
    const { orders, query } = action.payload;
    const newState = { ...state, query };
 
    const updatedOrders = orders.map((order, index) => ({
      ...order,
      paginationPosition: (query.offset ? query.offset : 0) + index,
    }));
 
    return {
      ...(query.offset ? orderAdapter.addMany(updatedOrders, newState) : orderAdapter.setAll(updatedOrders, newState)),
      paging: action.payload.paging,
    };
  }),
 
  on(
    resetOrderErrors,
    (state): OrdersState => ({
      ...state,
      error: undefined,
    })
  )
);