157 lines
3.7 KiB
TypeScript
157 lines
3.7 KiB
TypeScript
import { Injectable } from '@angular/core';
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import { HttpClient } from '@angular/common/http';
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import {
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BehaviorSubject,
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filter,
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map,
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Observable,
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of,
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switchMap,
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take,
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tap,
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throwError,
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} from 'rxjs';
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import { Powerball } from '../models/powerball';
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import { PowerballPagination } from '../models/powerball-pagination';
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@Injectable({
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providedIn: 'root',
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})
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export class PowerballService {
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// Private
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private __pagination = new BehaviorSubject<PowerballPagination | undefined>(
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undefined
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);
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private __powerball = new BehaviorSubject<Powerball | undefined>(undefined);
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private __powerballs = new BehaviorSubject<Powerball[] | undefined>(
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undefined
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);
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/**
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* Constructor
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*/
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constructor(private _httpClient: HttpClient) {}
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// -----------------------------------------------------------------------------------------------------
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// @ Accessors
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// -----------------------------------------------------------------------------------------------------
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/**
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* Getter for pagination
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*/
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get pagination$(): Observable<PowerballPagination | undefined> {
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return this.__pagination.asObservable();
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}
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/**
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* Getter for powerball
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*/
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get powerball$(): Observable<Powerball | undefined> {
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return this.__powerball.asObservable();
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}
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/**
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* Getter for powerballs
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*/
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get powerballs$(): Observable<Powerball[] | undefined> {
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return this.__powerballs.asObservable();
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}
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// -----------------------------------------------------------------------------------------------------
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// @ Public methods
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// -----------------------------------------------------------------------------------------------------
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/**
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* Get powerballs
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*
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*
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* @param page
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* @param size
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* @param sort
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* @param order
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* @param search
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*/
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getPowerballs(
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page: number = 0,
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size: number = 10,
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sort: string = 'nickname',
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order: 'asc' | 'desc' | '' = 'asc',
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search: string = ''
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): Observable<{
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pagination: PowerballPagination;
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powerballs: Powerball[];
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}> {
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return this._httpClient
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.get<{ pagination: PowerballPagination; powerballs: Powerball[] }>(
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'api/apps/game/powerball/powerballs',
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{
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params: {
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page: '' + page,
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size: '' + size,
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sort,
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order,
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search,
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},
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}
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)
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.pipe(
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tap((response) => {
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this.__pagination.next(response.pagination);
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this.__powerballs.next(response.powerballs);
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})
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);
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}
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/**
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* Get product by id
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*/
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getPowerballById(id: string | null): Observable<Powerball> {
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return this.__powerballs.pipe(
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take(1),
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map((powerballs) => {
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// Find the product
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const powerball =
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powerballs?.find((item) => item.id === id) || undefined;
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// Update the product
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this.__powerball.next(powerball);
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// Return the product
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return powerball;
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}),
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switchMap((product) => {
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if (!product) {
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return throwError('Could not found product with id of ' + id + '!');
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}
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return of(product);
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})
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);
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}
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/**
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* Create product
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*/
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createPowerball(): Observable<Powerball> {
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return this.powerballs$.pipe(
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take(1),
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switchMap((powerballs) =>
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this._httpClient
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.post<Powerball>('api/apps/game/powerball/product', {})
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.pipe(
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map((newPowerball) => {
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// Update the powerballs with the new product
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if (!!powerballs) {
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this.__powerballs.next([newPowerball, ...powerballs]);
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}
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// Return the new product
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return newPowerball;
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})
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)
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)
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);
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}
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}
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