2024-06-27 01:50:58 +03:00
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import {catchError, mergeMap, Observable, retryWhen, tap, timer} from "rxjs";
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2024-06-05 21:43:36 +03:00
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import {HttpClient, HttpErrorResponse} from "@angular/common/http";
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import {NotifyColor, OpenNotifyService} from "@service/open-notify.service";
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2024-06-15 00:37:12 +03:00
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import {environment} from "@environment";
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2024-06-05 21:43:36 +03:00
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import {Router} from "@angular/router";
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import {Injectable} from "@angular/core";
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2024-06-27 01:50:58 +03:00
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import {RequestBuilder, RequestData, SetRequestBuilderAfterBuild} from "@api/RequestBuilder";
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2024-06-05 21:43:36 +03:00
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export function retryWithInterval<T>(): (source: Observable<T>) => Observable<T> {
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return (source: Observable<T>) =>
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source.pipe(
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retryWhen((errors: Observable<any>) =>
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errors.pipe(
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mergeMap((error, index) => {
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if (index < (environment.maxRetry < 0 ? Infinity : environment.maxRetry - 1) && !error.status.toString().startsWith('4') && !error.status.toString().startsWith('5')) {
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console.log(`Retrying after ${environment.retryDelay}ms...`);
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return timer(environment.retryDelay);
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} else {
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if (error.status.toString().startsWith('4'))
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console.error(`Server returned a client code error`);
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else
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console.error(`Exceeded maximum retries (${environment.maxRetry})`);
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throw error;
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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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export enum AvailableVersion {
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v1
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}
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@Injectable()
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2024-06-27 01:50:58 +03:00
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export default abstract class ApiService implements SetRequestBuilderAfterBuild {
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2024-06-05 21:43:36 +03:00
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constructor(private http: HttpClient, private notify: OpenNotifyService, private router: Router) {
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}
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private urlApi = environment.apiUrl;
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protected abstract basePath: string;
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protected abstract version: AvailableVersion;
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2024-06-27 01:50:58 +03:00
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private request: RequestData = RequestBuilder.getStandardRequestData();
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public setRequestBuilder(request: RequestData): void {
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this.request = request;
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}
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2024-06-05 21:43:36 +03:00
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private static addQuery(endpoint: string, queryParams?: Record<string, string | number | boolean | Array<any> | null> | null): string {
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const url = new URL(endpoint);
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if (queryParams) {
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Object.keys(queryParams).forEach(key => {
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const value = queryParams[key];
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if (value !== null && value !== undefined) {
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2024-06-27 01:50:58 +03:00
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if (typeof (value) === typeof (Array)) {
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2024-06-05 21:43:36 +03:00
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(value as Array<any>).forEach(x => url.searchParams.append(key, x.toString()));
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2024-06-27 01:50:58 +03:00
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} else
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2024-06-05 21:43:36 +03:00
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url.searchParams.append(key, value.toString());
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}
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});
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}
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return url.href;
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}
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private static combineUrls(...parts: string[]): string {
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let test = parts.map(part => part.replace(/(^\/+|\/+$)/g, '')).join('/');
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console.log(test);
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return test;
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}
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2024-06-27 01:50:58 +03:00
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private makeHttpRequest<Type>(method: 'get' | 'post' | 'delete' | 'put'): Observable<Type> {
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const doneEndpoint = ApiService.addQuery(ApiService.combineUrls(this.urlApi, AvailableVersion[this.version], this.basePath, this.request.endpoint), this.request.queryParams);
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return this.http.request<Type>(method, doneEndpoint, {
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withCredentials: true,
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headers: this.request.httpHeaders,
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body: this.request.data
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}).pipe(
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tap(_ => this.request = RequestBuilder.getStandardRequestData()),
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2024-06-05 21:43:36 +03:00
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retryWithInterval<Type>(),
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catchError(error => {
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2024-06-27 01:50:58 +03:00
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if (!this.request.silenceMode)
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this.handleError(error);
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this.request = RequestBuilder.getStandardRequestData();
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2024-06-05 21:43:36 +03:00
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throw error;
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2024-06-27 01:50:58 +03:00
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})
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2024-06-05 21:43:36 +03:00
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);
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}
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2024-06-27 01:50:58 +03:00
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public createRequestBuilder() {
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this.request = RequestBuilder.getStandardRequestData();
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return new RequestBuilder(this);
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2024-06-05 21:43:36 +03:00
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}
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2024-06-27 01:50:58 +03:00
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public get<Type>(endpoint: string = ''): Observable<Type> {
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if (endpoint)
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this.request.endpoint = endpoint;
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return this.makeHttpRequest<Type>('get');
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2024-06-05 21:43:36 +03:00
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}
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2024-06-27 01:50:58 +03:00
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public post<Type>(endpoint: string = ''): Observable<Type> {
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if (endpoint)
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this.request.endpoint = endpoint;
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return this.makeHttpRequest<Type>('post');
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}
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public put<Type>(endpoint: string = ''): Observable<Type> {
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if (endpoint)
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this.request.endpoint = endpoint;
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return this.makeHttpRequest<Type>('put');
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}
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public delete<Type>(endpoint: string = ''): Observable<Type> {
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if (endpoint)
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this.request.endpoint = endpoint;
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return this.makeHttpRequest<Type>('delete');
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2024-06-05 21:43:36 +03:00
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}
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private handleError(error: HttpErrorResponse): void {
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// todo: change to Retry-After condition
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if (error.error.toString().includes("setup")) {
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2024-06-27 01:50:58 +03:00
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this.router.navigate(['/setup/']).then();
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2024-06-05 21:43:36 +03:00
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return;
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}
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let message: string;
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if (error.error instanceof ErrorEvent) {
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message = `Произошла ошибка: ${error.error.message}`;
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} else {
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switch (error.status) {
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case 0:
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message = 'Неизвестная ошибка. Пожалуйста, попробуйте позже.';
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break;
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case 400:
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message = 'Ошибка запроса. Пожалуйста, проверьте отправленные данные.';
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break;
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case 401:
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message = 'Ошибка авторизации. Пожалуйста, выполните вход с правильными учетными данными.';
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break;
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case 403:
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message = 'Отказано в доступе. У вас нет разрешения на выполнение этого действия.';
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break;
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case 404:
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message = 'Запрашиваемый ресурс не найден.';
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break;
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case 500:
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message = 'Внутренняя ошибка сервера. Пожалуйста, попробуйте позже.';
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break;
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case 503:
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message = 'Сервер на обслуживании. Пожалуйста, попробуйте позже.';
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break;
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default:
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message = `Сервер вернул код ошибки: ${error.status}`;
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break;
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}
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if (error.error?.Error) {
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message += ` ${error.error.Error}`;
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}
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}
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this.notify.open(message, NotifyColor.Danger);
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}
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}
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