refactor: refresh token

The service did not update tokens well, so it was rewritten

src/services/auth.service.ts

@@ -1,6 +1,6 @@
-import {EventEmitter, Injectable} from '@angular/core';
+import {Injectable} from '@angular/core';
 import {HttpClient, HttpHeaders} from "@angular/common/http";
-import {Observable, tap} from "rxjs";
+import {map, Observable, throwError} from "rxjs";
 import {TokenResponse} from "@api/v1/tokenResponse";
 import ApiService from "@api/api.service";
 
@@ -21,7 +21,7 @@ export class AuthToken {
     this.endpoint = refreshEndpoint;
   }
 
-  static httpHeader(token: AuthToken): HttpHeaders {
+  public static httpHeader(token: AuthToken): HttpHeaders {
     let header = new HttpHeaders();
 
     if (token.authProvider === AvailableAuthenticationProvider.Bearer)
@@ -35,8 +35,6 @@ export class AuthToken {
   providedIn: 'root',
 })
 export class AuthService {
-  public expireTokenChange = new EventEmitter<Date>();
-
   constructor(private http: HttpClient) {
   }
 
@@ -56,12 +54,12 @@ export class AuthService {
     return result <= new Date() ? new Date() : result;
   }
 
-  public refreshToken(): Observable<TokenResponse> {
+  public refreshToken(): Observable<Date> {
     const token = localStorage.getItem(ApiService.tokenKey);
 
     console.log(token);
     if (!token)
-      throw new Error("token is not found");
+      return throwError(() => new Error("Token is not found"));
 
     const authToken = JSON.parse(token) as AuthToken;
 
@@ -69,14 +67,16 @@ export class AuthService {
       case AvailableAuthenticationProvider.Bearer:
         return this.http.get<TokenResponse>(authToken.endpoint, {withCredentials: true})
           .pipe(
-            tap(response => {
+            map(response => {
               const newExpireDate = new Date(response.expiresIn);
               const oldExpireDate = new Date(authToken.expiresIn);
 
               if (newExpireDate.getTime() !== oldExpireDate.getTime()) {
                 AuthService.setToken(response, AvailableAuthenticationProvider.Bearer, authToken.endpoint);
-                this.expireTokenChange.emit(newExpireDate);
+                return newExpireDate;
               }
+
+              return newExpireDate;
             })
           );
     }