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frontend/nursery-app/src/app/services/teacher.service.ts

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+import { Injectable } from '@angular/core';
+import { HttpClient, HttpHeaders, HttpParams } from '@angular/common/http';
+import { Observable } from 'rxjs';
+import { ApiService } from './api.service';
+import { AuthService } from './auth.service';
+
+// Interfaccia per i dati dell'insegnante
+export interface Teacher {
+  id: number;
+  first_name: string;
+  last_name: string;
+  email?: string | null;
+  phone?: string | null;
+  date_of_birth?: string | null; // Manteniamo stringa per semplicità, potremmo usare Date
+  hire_date?: string | null;
+  qualifications?: string | null;
+  is_active: boolean; // O number se il backend restituisce 0/1
+  created_at: string;
+  updated_at: string;
+}
+
+// Interfaccia per i dati parziali usati in creazione/modifica
+export type TeacherInput = Partial<Omit<Teacher, 'id' | 'created_at' | 'updated_at'>>;
+
+@Injectable({
+  providedIn: 'root'
+})
+export class TeacherService  extends ApiService {
+
+  constructor(authService: AuthService, http: HttpClient) {
+    super(authService, http, 'teachers');
+  }
+
+  // GET /api/teachers
+  getTeachers(): Observable<Teacher[]> {
+    // Il backend restituisce già un array ridotto per la lista
+    return this.get<Teacher[]>(`${this.controllerName}`);
+  }
+
+  // GET /api/teachers/{id}
+  getTeacher(id: number): Observable<Teacher> {
+    return this.get<Teacher>(`${this.controllerName}/${id}`);
+  }
+
+  // POST /api/teachers
+  addTeacher(teacher: TeacherInput): Observable<Teacher> {
+    return this.post<Teacher>(`${this.controllerName}`, teacher);
+  }
+
+  // PUT /api/teachers/{id}
+  updateTeacher(id: number, teacher: TeacherInput): Observable<Teacher> {
+    return this.put<Teacher>(`${this.controllerName}/${id}`, teacher);
+  }
+
+  // DELETE /api/teachers/{id}
+  deleteTeacher(id: number): Observable<null> {
+    return this.delete<null>(`${this.controllerName}/${id}`);
+  }
+}