157 lines
3.7 KiB
TypeScript

import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import {
BehaviorSubject,
filter,
map,
Observable,
of,
switchMap,
take,
tap,
throwError,
} from 'rxjs';
import { Evolution } from '../models/evolution';
import { EvolutionPagination } from '../models/evolution-pagination';
@Injectable({
providedIn: 'root',
})
export class EvolutionService {
// Private
private __pagination = new BehaviorSubject<EvolutionPagination | undefined>(
undefined
);
private __evolution = new BehaviorSubject<Evolution | undefined>(undefined);
private __evolutions = new BehaviorSubject<Evolution[] | undefined>(
undefined
);
/**
* Constructor
*/
constructor(private _httpClient: HttpClient) {}
// -----------------------------------------------------------------------------------------------------
// @ Accessors
// -----------------------------------------------------------------------------------------------------
/**
* Getter for pagination
*/
get pagination$(): Observable<EvolutionPagination | undefined> {
return this.__pagination.asObservable();
}
/**
* Getter for evolution
*/
get evolution$(): Observable<Evolution | undefined> {
return this.__evolution.asObservable();
}
/**
* Getter for evolutions
*/
get evolutions$(): Observable<Evolution[] | undefined> {
return this.__evolutions.asObservable();
}
// -----------------------------------------------------------------------------------------------------
// @ Public methods
// -----------------------------------------------------------------------------------------------------
/**
* Get evolutions
*
*
* @param page
* @param size
* @param sort
* @param order
* @param search
*/
getEvolutions(
page: number = 0,
size: number = 10,
sort: string = 'nickname',
order: 'asc' | 'desc' | '' = 'asc',
search: string = ''
): Observable<{
pagination: EvolutionPagination;
evolutions: Evolution[];
}> {
return this._httpClient
.get<{ pagination: EvolutionPagination; evolutions: Evolution[] }>(
'api/apps/game/evolution/evolutions',
{
params: {
page: '' + page,
size: '' + size,
sort,
order,
search,
},
}
)
.pipe(
tap((response) => {
this.__pagination.next(response.pagination);
this.__evolutions.next(response.evolutions);
})
);
}
/**
* Get product by id
*/
getEvolutionById(id: string | null): Observable<Evolution> {
return this.__evolutions.pipe(
take(1),
map((evolutions) => {
// Find the product
const evolution =
evolutions?.find((item) => item.id === id) || undefined;
// Update the product
this.__evolution.next(evolution);
// Return the product
return evolution;
}),
switchMap((product) => {
if (!product) {
return throwError('Could not found product with id of ' + id + '!');
}
return of(product);
})
);
}
/**
* Create product
*/
createEvolution(): Observable<Evolution> {
return this.evolutions$.pipe(
take(1),
switchMap((evolutions) =>
this._httpClient
.post<Evolution>('api/apps/game/evolution/product', {})
.pipe(
map((newEvolution) => {
// Update the evolutions with the new product
if (!!evolutions) {
this.__evolutions.next([newEvolution, ...evolutions]);
}
// Return the new product
return newEvolution;
})
)
)
);
}
}