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import { Observable, forkJoin, of, throwError } from 'rxjs';
import { concatMap, first, map, switchMap } from 'rxjs/operators';
import { AppFacade } from 'ish-core/facades/app.facade';
import { ApiService, unpackEnvelope } from 'ish-core/services/api/api.service';
import { WishlistData } from '../../models/wishlist/wishlist.interface';
import { WishlistMapper } from '../../models/wishlist/wishlist.mapper';
import { Wishlist, WishlistHeader } from '../../models/wishlist/wishlist.model';
@Injectable({ providedIn: 'root' })
export class WishlistService {
constructor(private apiService: ApiService, private wishlistMapper: WishlistMapper, private appFacade: AppFacade) {}
/**
* Gets a list of wishlists for the current user.
*
* @returns The customer's wishlists.
*/
getWishlists(): Observable<Wishlist[]> {
return this.appFacade.customerRestResource$.pipe(
first(),
concatMap(restResource =>
this.apiService.get(`${restResource}/-/wishlists`).pipe(
unpackEnvelope<WishlistData>(),
map(wishlistData => wishlistData.map(data => this.getWishlist(this.wishlistMapper.fromDataToId(data)))),
switchMap(obsArray => (obsArray.length ? forkJoin(obsArray) : of([])))
)
)
);
}
/**
* Gets a wishlist of the given id for the current user.
*
* @param wishlistId The wishlist id.
* @returns The wishlist.
*/
private getWishlist(wishlistId: string): Observable<Wishlist> {
Iif (!wishlistId) {
return throwError(() => new Error('getWishlist() called without wishlistId'));
}
return this.appFacade.customerRestResource$.pipe(
first(),
concatMap(restResource =>
this.apiService
.get<WishlistData>(`${restResource}/-/wishlists/${this.apiService.encodeResourceId(wishlistId)}`)
.pipe(map(wishlistData => this.wishlistMapper.fromData(wishlistData, wishlistId)))
)
);
}
/**
* Creates a wishlists for the current user.
*
* @param wishlistDetails The wishlist data.
* @returns The created wishlist.
*/
createWishlist(wishlistData: WishlistHeader): Observable<Wishlist> {
return this.appFacade.customerRestResource$.pipe(
first(),
concatMap(restResource =>
this.apiService
.post(`${restResource}/-/wishlists`, wishlistData)
.pipe(map((response: WishlistData) => this.wishlistMapper.fromData(wishlistData, response.title)))
)
);
}
/**
* Deletes a wishlist of the given id.
*
* @param wishlistId The wishlist id.
* @returns The wishlist.
*/
deleteWishlist(wishlistId: string): Observable<void> {
Iif (!wishlistId) {
return throwError(() => new Error('deleteWishlist() called without wishlistId'));
}
return this.appFacade.customerRestResource$.pipe(
first(),
concatMap(restResource =>
this.apiService.delete<void>(`${restResource}/-/wishlists/${this.apiService.encodeResourceId(wishlistId)}`)
)
);
}
/**
* Updates a wishlist of the given id.
*
* @param wishlist The wishlist to be updated.
* @returns The updated wishlist.
*/
updateWishlist(wishlist: Wishlist): Observable<Wishlist> {
return this.appFacade.customerRestResource$.pipe(
first(),
concatMap(restResource =>
this.apiService
.put(`${restResource}/-/wishlists/${this.apiService.encodeResourceId(wishlist.id)}`, wishlist)
.pipe(map((response: Wishlist) => this.wishlistMapper.fromUpdate(response, wishlist.id)))
)
);
}
/**
* Adds a product to the wishlist with the given id and reloads the wishlist.
*
* @param wishlist Id The wishlist id.
* @param sku The product sku.
* @param quantity The product quantity (default = 1).
* @returns The changed wishlist.
*/
addProductToWishlist(wishlistId: string, sku: string, quantity = 1): Observable<Wishlist> {
Iif (!wishlistId) {
return throwError(() => new Error('addProductToWishlist() called without wishlistId'));
}
Iif (!sku) {
return throwError(() => new Error('addProductToWishlist() called without sku'));
}
return this.appFacade.customerRestResource$.pipe(
first(),
concatMap(restResource =>
this.apiService
.post(
`${restResource}/-/wishlists/${this.apiService.encodeResourceId(
wishlistId
)}/products/${this.apiService.encodeResourceId(sku)}`,
{ quantity }
)
.pipe(concatMap(() => this.getWishlist(wishlistId)))
)
);
}
/**
* Removes a product from the wishlist with the given id. Returns an error observable if parameters are falsy.
*
* @param wishlist Id The wishlist id.
* @param sku The product sku.
* @returns The changed wishlist.
*/
removeProductFromWishlist(wishlistId: string, sku: string): Observable<Wishlist> {
Iif (!wishlistId) {
return throwError(() => new Error('removeProductFromWishlist() called without wishlistId'));
}
Iif (!sku) {
return throwError(() => new Error('removeProductFromWishlist() called without sku'));
}
return this.appFacade.customerRestResource$.pipe(
first(),
concatMap(restResource =>
this.apiService
.delete(
`${restResource}/-/wishlists/${this.apiService.encodeResourceId(
wishlistId
)}/products/${this.apiService.encodeResourceId(sku)}`
)
.pipe(concatMap(() => this.getWishlist(wishlistId)))
)
);
}
}
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