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auth.state.ts
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auth.state.ts
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import { NgZone } from '@angular/core';
import { Action, Select, Selector, State, StateContext } from '@ngxs/store';
import {
Login,
LoginCanceled,
AuthMode,
ChangeAuthMode,
LogoutSuccess,
LoginSuccess,
Logout,
AuthModeChanged,
} from './auth.actions';
import { AuthService } from './auth.service';
import { Router } from '@angular/router';
import { authConfigImplicit, authConfigPassword } from './oauth.config';
import { OAuthService } from 'angular-oauth2-oidc';
import { map } from 'rxjs/operators';
export interface AuthStateModel {
isLoggedIn: boolean;
profile: any;
authMode: AuthMode;
}
@State<AuthStateModel>({
name: 'auth',
defaults: {
isLoggedIn: false,
profile: {},
authMode: AuthMode.ImplicitFLow,
},
})
export class AuthState {
constructor(private authService: AuthService, private oauthService: OAuthService, private router: Router, private zone: NgZone) {}
@Selector()
static isLoggedIn(state: AuthStateModel) {
return state.isLoggedIn;
}
@Selector()
static profile(state: AuthStateModel) {
return state.profile;
}
@Selector()
static authMode(state: AuthStateModel) {
return state ? state.authMode : AuthMode.ImplicitFLow;
}
@Action(LoginSuccess)
loginSuccess({ getState, patchState }: StateContext<AuthStateModel>, { payload }: LoginSuccess) {
patchState({
isLoggedIn: true,
profile: payload,
});
this.authService.startAutoRefreshToken();
if (getState().authMode === AuthMode.PasswordFlow) {
this.zone.run(() => this.router.navigate(['/dashboard']));
}
}
@Action([LogoutSuccess, LoginCanceled])
logoutSuccess({ getState, setState }: StateContext<AuthStateModel>) {
setState({
isLoggedIn: false,
profile: {},
authMode: getState().authMode,
});
this.authService.stopAutoRefreshToken();
this.zone.run(() => this.router.navigate(['/home']));
}
@Action(AuthModeChanged)
authModeChanged({ getState, patchState }: StateContext<AuthStateModel>, { payload }: AuthModeChanged) {
patchState({
authMode: payload,
});
}
@Action(ChangeAuthMode)
async changeAuthMode({ getState, dispatch }: StateContext<AuthStateModel>, { payload }: ChangeAuthMode) {
if (getState().authMode !== payload) {
switch (payload) {
case AuthMode.PasswordFlow:
this.oauthService.configure(authConfigPassword);
break;
default:
this.oauthService.configure(authConfigImplicit);
break;
}
await this.oauthService.loadDiscoveryDocument();
dispatch(new AuthModeChanged(payload));
}
}
@Action(Logout)
logout({ getState }: StateContext<AuthStateModel>) {
return this.authService.logout();
}
@Action(Login)
login({ getState, dispatch }: StateContext<AuthStateModel>, { payload }: Login) {
return this.authService.login(payload).pipe(
map(profile => {
if (profile === false) {
dispatch(new LoginCanceled());
} else {
dispatch(new LoginSuccess(profile));
}
}),
);
}
}