refactor

src/app/employee-list/employee-list.component.ts

@@ -1,4 +1,4 @@
-import {Component} from '@angular/core';
+import {Component, inject, OnInit} from '@angular/core';
 import {CommonModule} from '@angular/common';
 import {catchError, Observable, of, retry} from 'rxjs';
 import {HttpClient, HttpErrorResponse} from '@angular/common/http';
@@ -16,6 +16,7 @@ import {MatTableModule} from '@angular/material/table';
 import {MatSortModule} from '@angular/material/sort';
 import {MatDialog} from "@angular/material/dialog";
 import {DeleteEmployeeComponent} from "../delete-employee/delete-employee.component";
+import EmployeeApiService from "../services/employee-api.service";
 
 @Component({
   selector: 'app-employee-list',
@@ -39,24 +40,21 @@ import {DeleteEmployeeComponent} from "../delete-employee/delete-employee.compon
   },
   styleUrl: './employee-list.component.css'
 })
-export class EmployeeListComponent {
+export class EmployeeListComponent implements OnInit{
-  private static readonly EMPLOYEES_ENDPOINT = 'http://localhost:8089/employees';
+  private readonly apiService: EmployeeApiService = inject(EmployeeApiService);
+  private readonly snackBar: MatSnackBar = inject(MatSnackBar);
+  private readonly deleteDialogue: MatDialog = inject(MatDialog);
+
   private static readonly MAX_RETRIES = 3;
   public employees$: Observable<Employee[]>;
   public readonly displayedColumns: string[] = ['name', 'actions'];
 
-  constructor(
+  public ngOnInit(): void {
-    private readonly httpClient: HttpClient,
-    private readonly snackBar: MatSnackBar,
-    private readonly deleteDialogue: MatDialog
-  ) {
     this.employees$ = this.fetchEmployees();
   }
 
   private fetchEmployees(): Observable<Employee[]> {
-    return this.httpClient.get<Employee[]>(
+    return this.apiService.getAll().pipe(
-      EmployeeListComponent.EMPLOYEES_ENDPOINT,
-    ).pipe(
       retry(EmployeeListComponent.MAX_RETRIES),
       catchError((error: HttpErrorResponse) => {
         console.error('Error fetching employees:', error);

src/app/services/employee-api.service.ts

@@ -15,4 +15,8 @@ export default class EmployeeApiService {
   public deleteById(id: number): Observable<Employee> {
     return this.http.delete(`${EmployeeApiService.BASE_URL}/employees/${id}`)
   }
+
+  public getAll(): Observable<Employee[]> {
+    return this.http.get<Employee[]>(`${EmployeeApiService.BASE_URL}/employees`)
+  }
 }