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auth.state.ts
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auth.state.ts
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import { Navigate } from '@ngxs/router-plugin';
import { Action, NgxsOnInit, Selector, State, StateContext } from '@ngxs/store';
import { throwError } from 'rxjs';
import { catchError, finalize, map, tap } from 'rxjs/operators';
import { errorToMessage } from '../../shared/util/api-error';
import { Provider } from '../models/provider';
import { User } from '../models/user';
import { AuthService } from '../services/auth.service';
import { TokenService } from '../services/token.service';
import { Injectable } from '@angular/core';
export class GetUserInfo {
static readonly type = '[Auth] Get user info';
}
export class CheckAuth {
static readonly type = '[Auth] Check auth';
}
export class DeleteAccount {
static readonly type = '[Auth] Delete Account';
}
export class GetProviders {
static readonly type = '[Auth] Get providers';
}
export class Signup {
static readonly type = '[Auth] Signup';
constructor(public name: string, public email: string, public password: string) {}
}
export class UpdateUserSelf {
static readonly type = '[Auth] Update user self';
constructor(public updates: { name?: string; email?: string }) {}
}
export class Login {
static readonly type = '[Auth] Login';
constructor(public email: string, public password: string) {}
}
export class ReceiveAuthProviderCode {
static readonly type = '[Auth] Receive provider auth code';
constructor(public code: string) {}
}
export class ReceiveAPIAccessToken {
static readonly type = '[Auth] Receive API access token';
constructor(public payload: { accessToken: string }) {}
}
export class RedirectToAuthProvider {
static readonly type = '[Auth] Redirect to auth provider sign in';
constructor(public provider: Provider) {}
}
export class ForgotPassword {
static readonly type = '[Auth] Forgot password';
constructor(public email: string) {}
}
export class ResetPassword {
static readonly type = '[Auth] Reset password';
constructor(public email: string, public newPassword: string, public token: string) {}
}
export class ChangePassword {
static readonly type = '[Auth] Change password';
constructor(public oldPassword: string, public newPassword: string) {}
}
export class ClearMessages {
static readonly type = '[Auth] Clear messages';
}
export class Logout {
static readonly type = '[Auth] Logout';
constructor(public reason: string | undefined = null) {}
}
export class MustLogin {
static readonly type = '[Auth] Must login with redirect';
constructor(public redirectTo: string) {}
}
export class AuthError {
static readonly type = '[Auth] Auth Error';
constructor(public type: string, public error: any) {}
}
export interface AuthStateModel {
isAuthenticated: boolean;
isLoading: boolean;
user: User | undefined;
statusMessage: string | undefined;
errorMessage: string | undefined;
redirectTo: string | undefined;
providers: Provider[] | undefined;
}
@State<AuthStateModel>({
name: 'auth',
defaults: {
isAuthenticated: false,
isLoading: false,
user: undefined,
statusMessage: undefined,
errorMessage: undefined,
redirectTo: undefined,
providers: undefined,
},
})
@Injectable({ providedIn: 'root' })
export class AuthState implements NgxsOnInit {
constructor(private authService: AuthService, private tokenService: TokenService) {}
@Selector()
static isLoading(state: AuthStateModel) {
return state.isLoading;
}
@Selector()
static statusMessage(state: AuthStateModel) {
return state.statusMessage;
}
@Selector()
static isAuthenticated(state: AuthStateModel) {
return state.isAuthenticated;
}
@Selector()
static user(state: AuthStateModel) {
return state.user;
}
ngxsOnInit(ctx: StateContext<AuthStateModel>) {
ctx.dispatch(new CheckAuth());
}
@Action(CheckAuth)
checkAuth(ctx: StateContext<AuthStateModel>) {
const token = this.tokenService.getToken();
if (!token) {
return ctx.patchState({ isAuthenticated: false });
}
const ok = this.tokenService.isTokenValid();
if (ok) {
ctx.patchState({ isAuthenticated: true });
ctx.dispatch(new GetUserInfo());
} else {
ctx.dispatch(new Logout('Please sign in to continue'));
}
}
@Action(GetUserInfo)
getUserInfo(ctx: StateContext<AuthStateModel>) {
return this.authService.getUserSelf().pipe(
tap(user => {
ctx.patchState({ user: user, isAuthenticated: true });
}),
);
}
@Action(GetProviders)
getProviders(ctx: StateContext<AuthStateModel>) {
return this.authService.getProviders().pipe(
tap(providers => {
ctx.patchState({ providers });
}),
);
}
@Action(Signup)
signup(ctx: StateContext<AuthStateModel>, action: Signup) {
ctx.patchState({ isLoading: true });
return this.authService.signup(action).pipe(
map(user => {
ctx.patchState({ user });
ctx.dispatch(new ReceiveAPIAccessToken(user));
}),
catchError(error => {
ctx.dispatch(new AuthError('Signup', error));
return throwError(error);
}),
finalize(() => ctx.patchState({ isLoading: false })),
);
}
@Action(DeleteAccount)
deleteAccount(ctx: StateContext<AuthStateModel>, action: DeleteAccount) {
ctx.patchState({ isLoading: true });
return this.authService.deleteAccount().pipe(
map(user => {
ctx.dispatch(new Logout('Your account has been permanently deleted.'));
}),
catchError(error => {
ctx.dispatch(new AuthError('DeleteAccount', error));
return throwError(error);
}),
finalize(() => ctx.patchState({ isLoading: false })),
);
}
@Action(UpdateUserSelf)
updateUserSelf(ctx: StateContext<AuthStateModel>, action: UpdateUserSelf) {
ctx.patchState({ isLoading: true });
return this.authService.updateUserSelf(action.updates).pipe(
map(user => {
ctx.patchState({
user: user,
errorMessage: undefined,
statusMessage: 'Successfully updated your information.',
});
}),
catchError(error => {
ctx.dispatch(new AuthError('UpdateUserSelf', error));
return throwError(error);
}),
finalize(() => ctx.patchState({ isLoading: false })),
);
}
@Action(Login)
login(ctx: StateContext<AuthStateModel>, action: Login) {
ctx.patchState({ isLoading: true });
return this.authService.login(action).pipe(
tap(token => ctx.dispatch(new ReceiveAPIAccessToken(token))),
catchError(error => {
ctx.dispatch(new AuthError('login', error));
return throwError(error);
}),
finalize(() => ctx.patchState({ isLoading: false })),
);
}
@Action(ReceiveAuthProviderCode)
receiveProviderAuthCode(ctx: StateContext<AuthStateModel>, action: ReceiveAuthProviderCode) {
ctx.patchState({ isLoading: true });
return this.authService.signInWithProvider(action).pipe(
tap(token => ctx.dispatch(new ReceiveAPIAccessToken(token))),
catchError(error => {
ctx.dispatch(new AuthError('login', error));
return throwError(error);
}),
finalize(() => {
ctx.patchState({ isLoading: false });
}),
);
}
@Action(ReceiveAPIAccessToken)
receiveAPIAccessToken(ctx: StateContext<AuthStateModel>, { payload }: ReceiveAPIAccessToken) {
this.tokenService.setToken(payload.accessToken);
ctx.patchState({ isAuthenticated: true });
ctx.dispatch(new GetUserInfo());
const redirect = ctx.getState().redirectTo;
if (redirect) {
ctx.patchState({ redirectTo: undefined });
}
ctx.dispatch(new Navigate([redirect || '/']));
}
@Action(RedirectToAuthProvider)
redirectToAuthProvider(ctx: StateContext<AuthStateModel>, action: RedirectToAuthProvider) {
return this.authService.redirectWithProvider(action.provider);
}
@Action(ForgotPassword)
forgotPassword(ctx: StateContext<AuthStateModel>, action: ForgotPassword) {
ctx.patchState({ isLoading: true });
return this.authService.forgotPassword(action.email).pipe(
tap(() => {
const statusMessage =
'A password reset token has been sent to your email. ' +
// tslint:disable-next-line:quotemark
"If you didn't get an email after a few minutes, try requesting another one.";
ctx.patchState({ errorMessage: undefined, statusMessage });
}),
catchError(error => {
ctx.dispatch(new AuthError('ForgotPassword', error));
return throwError(error);
}),
finalize(() => ctx.patchState({ isLoading: false })),
);
}
@Action(ChangePassword)
changePassword(ctx: StateContext<AuthStateModel>, action: ChangePassword) {
ctx.patchState({ isLoading: true });
return this.authService.changePassword(action).pipe(
tap(() => {
ctx.patchState({ errorMessage: undefined, statusMessage: 'Password successfully changed!' });
}),
catchError(error => {
ctx.dispatch(new AuthError('ChangePassword', error));
return throwError(error);
}),
finalize(() => ctx.patchState({ isLoading: false })),
);
}
@Action(ResetPassword)
resetPassword(ctx: StateContext<AuthStateModel>, action: ResetPassword) {
ctx.patchState({ isLoading: true });
return this.authService.resetPassword(action).pipe(
catchError(error => {
ctx.patchState({ errorMessage: errorToMessage(error, 'ResetPassword') });
return throwError(error);
}),
tap(() => {
const statusMessage = 'Your password has been successfully reset. Please login with your new password.';
ctx.patchState({ statusMessage, errorMessage: undefined });
}),
finalize(() => ctx.patchState({ isLoading: false })),
);
}
@Action(MustLogin)
mustLogin(ctx: StateContext<AuthStateModel>, action: MustLogin) {
ctx.patchState({ redirectTo: action.redirectTo, errorMessage: 'Please sign in to continue' });
ctx.dispatch(new Navigate(['/login']));
}
@Action(Logout)
logout(ctx: StateContext<AuthStateModel>, action: Logout) {
this.tokenService.clearToken();
ctx.patchState({ user: undefined, isAuthenticated: false, errorMessage: action.reason });
ctx.dispatch(new Navigate(['/login']));
}
@Action(ClearMessages)
clearMessages(ctx: StateContext<AuthStateModel>) {
ctx.patchState({ errorMessage: undefined, statusMessage: undefined });
}
@Action(AuthError)
onError(ctx: StateContext<AuthStateModel>, action: AuthError) {
ctx.patchState({ errorMessage: errorToMessage(action.error, action.type) });
return throwError(action.error);
}
}