All files / src/app/core/store/shopping/promotions promotions.reducer.ts

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import { EntityState, createEntityAdapter } from '@ngrx/entity';
import { createReducer, on } from '@ngrx/store';
 
import { Promotion } from 'ish-core/models/promotion/promotion.model';
 
import { loadPromotionSuccess } from './promotions.actions';
 
export const promotionAdapter = createEntityAdapter<Promotion>({
  selectId: promotion => promotion.id,
});
 
export type PromotionsState = EntityState<Promotion>;
 
const initialState: PromotionsState = promotionAdapter.getInitialState({});
 
export const promotionsReducer = createReducer(
  initialState,
  on(loadPromotionSuccess, (state, action) => {
    const promotion = action.payload.promotion;
    return promotionAdapter.upsertOne(promotion, state);
  })
);