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task-create-form.component.ts

import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
import { FormBuilder, FormGroup, Validators } from '@angular/forms';
import { TasksService } from '../tasks.service';
import { Location } from '@angular/common';

interface TaskForm {
  name: string;
  description: string;
}

@Component({
  selector: 'hrh-tasks',
  templateUrl: './tasks.component.html',
  styleUrls: ['./tasks.component.scss'],
  changeDetection: ChangeDetectionStrategy.OnPush
})
export class TasksComponent implements OnInit {
  form: FormGroup;

  constructor(
    private readonly fb: FormBuilder,
    private readonly taskService: TasksService,
    private readonly location: Location
  ) {
    this.form = fb.group({
      name: this.fb.control('', Validators.required),
      description: this.fb.control('', [Validators.required, Validators.maxLength(500)])
    });
  }

  ngOnInit(): void {}

  handleFormSubmit(form: TaskForm) {
    this.taskService.createTask({
      name: form.name,
      description: form.description
    });
    this.location.back();
  }
}

tasks.service.ts

import { Injectable } from '@angular/core';
import { Observable } from 'rxjs';
import { HttpClient } from '@angular/common/http';

@Injectable({
  providedIn: 'root'
})
export class TasksService {
  constructor(private http: HttpClient) {}

  createTask(body: { name: string; description: string }): Observable<unknown> {
    return this.http.get<User[]>('/tasks', body);
  }
}