85 lines
2.1 KiB
TypeScript
85 lines
2.1 KiB
TypeScript
import { Component, OnInit, ViewChild, AfterViewInit } from '@angular/core';
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import { Router, ActivatedRoute } from '@angular/router';
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import { FormBuilder, FormGroup, Validators } from '@angular/forms';
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import { MatInput } from '@angular/material/input';
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import { first } from 'rxjs/operators';
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import { AuthenticationService } from '../../services/authentication.service';
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@Component({
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selector: 'app-login-user',
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templateUrl: './login-user.component.html',
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styleUrls: ['./login-user.component.css']
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})
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export class LoginUserComponent implements OnInit, AfterViewInit {
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loginForm: FormGroup;
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loading = false;
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submitted = false;
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returnUrl: string;
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error = '';
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@ViewChild('username') userNameInput: MatInput;
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constructor(
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private formBuilder: FormBuilder,
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private route: ActivatedRoute,
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private router: Router,
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private authenticationService: AuthenticationService
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) {
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// redirect to home if already logged in
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if (this.authenticationService.currentUserValue) {
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this.router.navigate(['/']);
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}
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}
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ngAfterViewInit() {
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this.userNameInput.focus();
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}
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ngOnInit() {
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this.loginForm = this.formBuilder.group(
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{
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username: ['', [Validators.required, Validators.minLength(3)]],
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password: [
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'',
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[
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Validators.required /*, Validators.pattern("^[A-Za-z0-9_-]{8,15}$")*/
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]
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]
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},
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{ updateOn: 'blur' }
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);
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// get return url from route parameters or default to '/'
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this.returnUrl = this.route.snapshot.queryParams['returnUrl'] || '/';
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}
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get formCtrls() {
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return this.loginForm.controls;
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}
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onLoginSubmit() {
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this.submitted = true;
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// stop here if form is invalid
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if (this.loginForm.invalid) {
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return;
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}
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this.loading = true;
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this.authenticationService
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.login(this.formCtrls.username.value, this.formCtrls.password.value)
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.pipe(first())
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.subscribe(
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data => {
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this.router.navigate([this.returnUrl]);
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},
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error => {
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this.error = error;
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this.loading = false;
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}
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);
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}
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}
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