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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 9x 9x 9x 9x 9x 9x 9x 9x 15x 9x 9x 9x 9x 9x 9x 9x 39x 16x | import { ChangeDetectionStrategy, Component, DestroyRef, Input, OnInit, inject } from '@angular/core';
import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
import { BehaviorSubject, Observable, combineLatest } from 'rxjs';
import { map, startWith } from 'rxjs/operators';
import { AccountFacade } from 'ish-core/facades/account.facade';
import { CheckoutFacade } from 'ish-core/facades/checkout.facade';
import { ProductContextFacade } from 'ish-core/facades/product-context.facade';
import { ProductHelper } from 'ish-core/models/product/product.model';
import { whenFalsy } from 'ish-core/utils/operators';
/**
* Displays an add to cart button with an icon or a text label. After clicking the button a loading animation is displayed
*
* @example
* <ish-product-add-to-basket
[cssClass]="'btn-lg btn-block'"
></ish-product-add-to-basket>
*/
@Component({
selector: 'ish-product-add-to-basket',
templateUrl: './product-add-to-basket.component.html',
changeDetection: ChangeDetectionStrategy.OnPush,
})
export class ProductAddToBasketComponent implements OnInit {
/**
* when 'icon', the button label is an icon, otherwise it is text
*/
@Input() displayType: 'icon' | 'link' = 'link';
/**
* additional css styling
*/
@Input() cssClass: string;
private basketLoading$: Observable<boolean>;
visible$: Observable<boolean>;
translationKey$: Observable<string>;
constructor(
private checkoutFacade: CheckoutFacade,
private accountFacade: AccountFacade,
private context: ProductContextFacade
) {}
buttonDisabled$: Observable<boolean>;
/**
* fires 'true' after add To Cart is clicked and basket is loading
*/
displaySpinner$ = new BehaviorSubject(false);
private destroyRef = inject(DestroyRef);
ngOnInit() {
this.visible$ = this.context.select('displayProperties', 'addToBasket');
this.translationKey$ = this.context.select('product').pipe(
map(product =>
ProductHelper.isRetailSet(product) ? 'product.add_to_cart.retailset.link' : 'product.add_to_cart.link'
),
startWith('product.add_to_cart.link')
);
this.basketLoading$ = this.checkoutFacade.basketLoading$;
// update emitted to display spinning animation
this.basketLoading$.pipe(whenFalsy(), takeUntilDestroyed(this.destroyRef)).subscribe(this.displaySpinner$); // false
const hasQuantityError$ = this.context.select('hasQuantityError');
const hasProductError$ = this.context.select('hasProductError');
const hasNoQuantity$ = this.context.select('quantity').pipe(map(quantity => quantity <= 0));
const loading$ = this.displaySpinner$.pipe(startWith(false));
// disable button when spinning, in case of an error (quick order) or during login or basket loading
this.buttonDisabled$ = combineLatest([
loading$,
hasQuantityError$,
hasProductError$,
hasNoQuantity$,
this.accountFacade.userLoading$,
this.basketLoading$,
]).pipe(map(conditions => conditions.some(c => c)));
}
addToBasket() {
this.context.addToBasket();
this.displaySpinner$.next(true);
}
get displayIcon(): boolean {
return this.displayType === 'icon';
}
}
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