feat: add carriage serice

src/app/api/carriagesService/carriage.service.spec.ts

@@ -0,0 +1,19 @@
+import { provideHttpClient } from '@angular/common/http';
+import { TestBed } from '@angular/core/testing';
+
+import { CarriageService } from './carriage.service';
+
+describe('CarriageService', () => {
+  let service: CarriageService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [provideHttpClient()],
+    });
+    service = TestBed.inject(CarriageService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});

src/app/api/carriagesService/carriage.service.ts

@@ -0,0 +1,34 @@
+import { HttpClient } from '@angular/common/http';
+import { inject, Injectable } from '@angular/core';
+
+import { Observable } from 'rxjs';
+
+import { Carriage, Code } from '../models/carriage';
+
+@Injectable({
+  providedIn: 'root',
+})
+export class CarriageService {
+  private httpClient = inject(HttpClient);
+  private CARRIAGE_ENDPOINT = 'carriage';
+
+  public getCarriages(): Observable<Carriage[]> {
+    return this.httpClient.get<Carriage[]>(this.CARRIAGE_ENDPOINT);
+  }
+
+  public createCarriage(name: string, rows: number, leftSeats: number, rightSeats: number): Observable<Code> {
+    const body = { name, rows, leftSeats, rightSeats };
+    return this.httpClient.post<Code>(this.CARRIAGE_ENDPOINT, body);
+  }
+
+  public updateCarriage(
+    code: string,
+    name: string,
+    rows: number,
+    leftSeats: number,
+    rightSeats: number,
+  ): Observable<Code> {
+    const body = { name, rows, leftSeats, rightSeats };
+    return this.httpClient.put<Code>(`${this.CARRIAGE_ENDPOINT}/${code}`, body);
+  }
+}

src/app/api/models/carriage.ts

@@ -0,0 +1,11 @@
+export interface Carriage {
+  code: string;
+  name: string;
+  rows: number;
+  leftSeats: number;
+  rightSeats: number;
+}
+
+export interface Code {
+  code: string;
+}