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import { Component, linkEvent } from 'inferno';
import { Helmet } from 'inferno-helmet';
import { Subscription } from 'rxjs';
import { retryWhen, delay, take } from 'rxjs/operators';
import {
LoginForm,
RegisterForm,
LoginResponse,
UserOperation,
PasswordResetForm,
GetSiteResponse,
WebSocketJsonResponse,
Site,
} from '../interfaces';
import { WebSocketService, UserService } from '../services';
import { wsJsonToRes, validEmail, toast } from '../utils';
import { i18n } from '../i18next';
interface State {
loginForm: LoginForm;
registerForm: RegisterForm;
loginLoading: boolean;
registerLoading: boolean;
mathQuestion: {
a: number;
b: number;
answer: number;
};
site: Site;
}
export class Login extends Component<any, State> {
private subscription: Subscription;
emptyState: State = {
loginForm: {
username_or_email: undefined,
password: undefined,
},
registerForm: {
username: undefined,
password: undefined,
password_verify: undefined,
admin: false,
show_nsfw: false,
},
loginLoading: false,
registerLoading: false,
mathQuestion: {
a: Math.floor(Math.random() * 10) + 1,
b: Math.floor(Math.random() * 10) + 1,
answer: undefined,
},
site: {
id: undefined,
name: undefined,
creator_id: undefined,
published: undefined,
creator_name: undefined,
number_of_users: undefined,
number_of_posts: undefined,
number_of_comments: undefined,
number_of_communities: undefined,
enable_downvotes: undefined,
open_registration: undefined,
enable_nsfw: undefined,
},
};
constructor(props: any, context: any) {
super(props, context);
this.state = this.emptyState;
this.subscription = WebSocketService.Instance.subject
.pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
.subscribe(
msg => this.parseMessage(msg),
err => console.error(err),
() => console.log('complete')
);
WebSocketService.Instance.getSite();
}
componentWillUnmount() {
this.subscription.unsubscribe();
}
get documentTitle(): string {
if (this.state.site.name) {
return `${i18n.t('login')} - ${this.state.site.name}`;
} else {
return 'Lemmy';
}
}
render() {
return (
<div class="container">
<Helmet title={this.documentTitle} />
<div class="row">
<div class="col-12 col-lg-6 mb-4">{this.loginForm()}</div>
<div class="col-12 col-lg-6">{this.registerForm()}</div>
</div>
</div>
);
}
loginForm() {
return (
<div>
<form onSubmit={linkEvent(this, this.handleLoginSubmit)}>
<h5>{i18n.t('login')}</h5>
<div class="form-group row">
<label
class="col-sm-2 col-form-label"
htmlFor="login-email-or-username"
>
{i18n.t('email_or_username')}
</label>
<div class="col-sm-10">
<input
type="text"
class="form-control"
id="login-email-or-username"
value={this.state.loginForm.username_or_email}
onInput={linkEvent(this, this.handleLoginUsernameChange)}
required
minLength={3}
/>
</div>
</div>
<div class="form-group row">
<label class="col-sm-2 col-form-label" htmlFor="login-password">
{i18n.t('password')}
</label>
<div class="col-sm-10">
<input
type="password"
id="login-password"
value={this.state.loginForm.password}
onInput={linkEvent(this, this.handleLoginPasswordChange)}
class="form-control"
required
/>
{validEmail(this.state.loginForm.username_or_email) && (
<button
type="button"
onClick={linkEvent(this, this.handlePasswordReset)}
className="btn p-0 btn-link d-inline-block float-right text-muted small font-weight-bold"
>
{i18n.t('forgot_password')}
</button>
)}
</div>
</div>
<div class="form-group row">
<div class="col-sm-10">
<button type="submit" class="btn btn-secondary">
{this.state.loginLoading ? (
<svg class="icon icon-spinner spin">
<use xlinkHref="#icon-spinner"></use>
</svg>
) : (
i18n.t('login')
)}
</button>
</div>
</div>
</form>
</div>
);
}
registerForm() {
return (
<form onSubmit={linkEvent(this, this.handleRegisterSubmit)}>
<h5>{i18n.t('sign_up')}</h5>
<div class="form-group row">
<label class="col-sm-2 col-form-label" htmlFor="register-username">
{i18n.t('username')}
</label>
<div class="col-sm-10">
<input
type="text"
id="register-username"
class="form-control"
value={this.state.registerForm.username}
onInput={linkEvent(this, this.handleRegisterUsernameChange)}
required
minLength={3}
maxLength={20}
pattern="[a-zA-Z0-9_]+"
/>
</div>
</div>
<div class="form-group row">
<label class="col-sm-2 col-form-label" htmlFor="register-email">
{i18n.t('email')}
</label>
<div class="col-sm-10">
<input
type="email"
id="register-email"
class="form-control"
placeholder={i18n.t('optional')}
value={this.state.registerForm.email}
onInput={linkEvent(this, this.handleRegisterEmailChange)}
minLength={3}
/>
{!validEmail(this.state.registerForm.email) && (
<div class="mt-2 mb-0 alert alert-light" role="alert">
<svg class="icon icon-inline mr-2">
<use xlinkHref="#icon-alert-triangle"></use>
</svg>
{i18n.t('no_password_reset')}
</div>
)}
</div>
</div>
<div class="form-group row">
<label class="col-sm-2 col-form-label" htmlFor="register-password">
{i18n.t('password')}
</label>
<div class="col-sm-10">
<input
type="password"
id="register-password"
value={this.state.registerForm.password}
autoComplete="new-password"
onInput={linkEvent(this, this.handleRegisterPasswordChange)}
class="form-control"
required
/>
</div>
</div>
<div class="form-group row">
<label
class="col-sm-2 col-form-label"
htmlFor="register-verify-password"
>
{i18n.t('verify_password')}
</label>
<div class="col-sm-10">
<input
type="password"
id="register-verify-password"
value={this.state.registerForm.password_verify}
autoComplete="new-password"
onInput={linkEvent(this, this.handleRegisterPasswordVerifyChange)}
class="form-control"
required
/>
</div>
</div>
<div class="form-group row">
<label class="col-sm-10 col-form-label" htmlFor="register-math">
{i18n.t('what_is')}{' '}
{`${this.state.mathQuestion.a} + ${this.state.mathQuestion.b}?`}
</label>
<div class="col-sm-2">
<input
type="number"
id="register-math"
class="form-control"
value={this.state.mathQuestion.answer}
onInput={linkEvent(this, this.handleMathAnswerChange)}
required
/>
</div>
</div>
{this.state.site.enable_nsfw && (
<div class="form-group row">
<div class="col-sm-10">
<div class="form-check">
<input
class="form-check-input"
id="register-show-nsfw"
type="checkbox"
checked={this.state.registerForm.show_nsfw}
onChange={linkEvent(this, this.handleRegisterShowNsfwChange)}
/>
<label class="form-check-label" htmlFor="register-show-nsfw">
{i18n.t('show_nsfw')}
</label>
</div>
</div>
</div>
)}
<div class="form-group row">
<div class="col-sm-10">
<button
type="submit"
class="btn btn-secondary"
disabled={this.mathCheck}
>
{this.state.registerLoading ? (
<svg class="icon icon-spinner spin">
<use xlinkHref="#icon-spinner"></use>
</svg>
) : (
i18n.t('sign_up')
)}
</button>
</div>
</div>
</form>
);
}
handleLoginSubmit(i: Login, event: any) {
event.preventDefault();
i.state.loginLoading = true;
i.setState(i.state);
WebSocketService.Instance.login(i.state.loginForm);
}
handleLoginUsernameChange(i: Login, event: any) {
i.state.loginForm.username_or_email = event.target.value;
i.setState(i.state);
}
handleLoginPasswordChange(i: Login, event: any) {
i.state.loginForm.password = event.target.value;
i.setState(i.state);
}
handleRegisterSubmit(i: Login, event: any) {
event.preventDefault();
i.state.registerLoading = true;
i.setState(i.state);
if (!i.mathCheck) {
WebSocketService.Instance.register(i.state.registerForm);
}
}
handleRegisterUsernameChange(i: Login, event: any) {
i.state.registerForm.username = event.target.value;
i.setState(i.state);
}
handleRegisterEmailChange(i: Login, event: any) {
i.state.registerForm.email = event.target.value;
if (i.state.registerForm.email == '') {
i.state.registerForm.email = undefined;
}
i.setState(i.state);
}
handleRegisterPasswordChange(i: Login, event: any) {
i.state.registerForm.password = event.target.value;
i.setState(i.state);
}
handleRegisterPasswordVerifyChange(i: Login, event: any) {
i.state.registerForm.password_verify = event.target.value;
i.setState(i.state);
}
handleRegisterShowNsfwChange(i: Login, event: any) {
i.state.registerForm.show_nsfw = event.target.checked;
i.setState(i.state);
}
handleMathAnswerChange(i: Login, event: any) {
i.state.mathQuestion.answer = event.target.value;
i.setState(i.state);
}
handlePasswordReset(i: Login) {
event.preventDefault();
let resetForm: PasswordResetForm = {
email: i.state.loginForm.username_or_email,
};
WebSocketService.Instance.passwordReset(resetForm);
}
get mathCheck(): boolean {
return (
this.state.mathQuestion.answer !=
this.state.mathQuestion.a + this.state.mathQuestion.b
);
}
parseMessage(msg: WebSocketJsonResponse) {
let res = wsJsonToRes(msg);
if (msg.error) {
toast(i18n.t(msg.error), 'danger');
this.state = this.emptyState;
this.setState(this.state);
return;
} else {
if (res.op == UserOperation.Login) {
let data = res.data as LoginResponse;
this.state = this.emptyState;
this.setState(this.state);
UserService.Instance.login(data);
WebSocketService.Instance.userJoin();
toast(i18n.t('logged_in'));
this.props.history.push('/');
} else if (res.op == UserOperation.Register) {
let data = res.data as LoginResponse;
this.state = this.emptyState;
this.setState(this.state);
UserService.Instance.login(data);
WebSocketService.Instance.userJoin();
this.props.history.push('/communities');
} else if (res.op == UserOperation.PasswordReset) {
toast(i18n.t('reset_password_mail_sent'));
} else if (res.op == UserOperation.GetSite) {
let data = res.data as GetSiteResponse;
this.state.site = data.site;
this.setState(this.state);
}
}
}
}