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crud operation code observable component angular

Nanu answered on February 1, 2024 Popularity 1/10 Helpfulness 3/10

answer crud operation code observable component angular

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crud operation code observable component angular

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// person.component.ts
import { Component, OnInit } from '@angular/core';
import { Person } from './person.model';
import { PersonService } from './person.service';

@Component({
  selector: 'app-person',
  templateUrl: './person.component.html',
})
export class PersonComponent implements OnInit {
  people: Person[] = [];
  newPerson: Person = new Person(0, '', 0);
  selectedPerson: Person | null = null;

  constructor(private personService: PersonService) {}

  ngOnInit(): void {
    this.loadPeople();
  }

  loadPeople(): void {
    this.personService.getPeople().subscribe((people) => {
      this.people = people;
    });
  }

  addPerson(): void {
    this.personService.addPerson(this.newPerson).subscribe(() => {
      this.loadPeople();
      this.newPerson = new Person(0, '', 0);
    });
  }

  removePerson(id: number): void {
    this.personService.deletePerson(id).subscribe(() => {
      this.loadPeople();
    });
  }

  selectPerson(person: Person): void {
    this.selectedPerson = { ...person }; // Make a copy to avoid two-way binding issues
  }

  updatePerson(): void {
    if (this.selectedPerson) {
      this.personService.updatePerson(this.selectedPerson).subscribe(() => {
        this.loadPeople();
        this.selectedPerson = null; // Deselect after updating
      });
    }
  }
}

Popularity 1/10 Helpfulness 3/10 Language typescript

Source: chat.openai.com

Tags: angular crud observable operation typescript

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Contributed on Feb 01 2024

Nanu

0 Answers Avg Quality 2/10

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crud operation code observable service angular

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// person.service.ts
import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { Person } from './person.model';

@Injectable({
  providedIn: 'root',
})
export class PersonService {
  private apiUrl = 'https://your-api-url'; // Replace with your API endpoint

  constructor(private http: HttpClient) {}

  getPeople(): Observable<Person[]> {
    return this.http.get<Person[]>(`${this.apiUrl}/people`);
  }

  getPerson(id: number): Observable<Person> {
    return this.http.get<Person>(`${this.apiUrl}/people/${id}`);
  }

  addPerson(person: Person): Observable<Person> {
    return this.http.post<Person>(`${this.apiUrl}/people`, person);
  }

  updatePerson(person: Person): Observable<Person> {
    return this.http.put<Person>(`${this.apiUrl}/people/${person.id}`, person);
  }

  deletePerson(id: number): Observable<void> {
    return this.http.delete<void>(`${this.apiUrl}/people/${id}`);
  }
}

Popularity 1/10 Helpfulness 1/10 Language html

Source: chat.openai.com

Tags: angular observable crud operation html service

Link to this answer
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Contributed on Feb 01 2024

Nanu

0 Answers Avg Quality 2/10

crud operation code observable component angular

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