feat(pages): implement starter page with themes

src/app/@core/core.module.ts

@@ -55,6 +55,8 @@ import { SecurityCamerasService } from './mock/security-cameras.service';
 import { RippleService } from './utils/ripple.service';
 import { MockDataModule } from './mock/mock-data.module';
 import { AbService } from './utils/ab.service';
+import {CurrentThemeService} from './utils/theme.service';
+import {ThemeGuard} from './guard/theme.guard';
 
 const socialLinks = [
   {
@@ -97,6 +99,10 @@ const DATA_SERVICES = [
   {provide: MAT_RIPPLE_GLOBAL_OPTIONS, useExisting: RippleService},
 ];
 
+const GUARDS = [
+  ThemeGuard,
+];
+
 export class NbSimpleRoleProvider extends NbRoleProvider {
   getRole() {
     // here you could provide any role based on any auth flow
@@ -107,6 +113,7 @@ export class NbSimpleRoleProvider extends NbRoleProvider {
 export const NB_CORE_PROVIDERS = [
   ...MockDataModule.forRoot().providers,
   ...DATA_SERVICES,
+  ...GUARDS,
   ...NbAuthModule.forRoot({
 
     strategies: [
@@ -148,6 +155,7 @@ export const NB_CORE_PROVIDERS = [
   SeoService,
   StateService,
   AbService,
+  CurrentThemeService,
 ];
 
 @NgModule({

src/app/@core/guard/theme.guard.ts

@@ -0,0 +1,28 @@
+import {Injectable} from '@angular/core';
+import {ActivatedRouteSnapshot, CanActivate, Router, RouterStateSnapshot} from '@angular/router';
+import {Observable} from 'rxjs';
+import {map} from 'rxjs/operators';
+import {CurrentThemeService} from '../utils/theme.service';
+import {NbDateService} from '@nebular/theme';
+
+@Injectable()
+export class ThemeGuard implements CanActivate {
+  constructor(private router: Router,
+              private currentThemeService: CurrentThemeService,
+              private dateService: NbDateService<number>) {}
+
+  canActivate(
+    route: ActivatedRouteSnapshot,
+    state: RouterStateSnapshot,
+  ): Observable<boolean> | Promise<boolean> | boolean {
+    return this.currentThemeService.currentTheme$.pipe(
+        map(theme => {
+          const currentThemeExpiration = JSON.parse(theme).expires_in;
+          const currentDate = new Date().getTime();
+          if (!theme || currentDate > currentThemeExpiration) {
+            this.router.navigate(['themes']);
+          }
+          return true;
+        }));
+  }
+}

src/app/@core/utils/theme.service.ts

@@ -0,0 +1,16 @@
+import {Injectable, OnDestroy} from '@angular/core';
+import {Observable} from 'rxjs';
+import {takeWhile} from 'rxjs/operators';
+
+@Injectable()
+export class CurrentThemeService implements OnDestroy {
+  alive = true;
+
+  readonly currentTheme$: Observable<any> = new Observable(subscriber => {
+    subscriber.next(localStorage.theme);
+  }).pipe(takeWhile(() => this.alive));
+
+  ngOnDestroy(): void {
+    this.alive = false;
+  }
+}

src/app/app-routing.module.ts

@@ -8,11 +8,12 @@ import {
   NbRequestPasswordComponent,
   NbResetPasswordComponent,
 } from '@nebular/auth';
-import {StarterScreenComponent} from './themes-screen/starter-screen.component';
+import { ThemeGuard } from './@core/guard/theme.guard';
 
 export const routes: Routes = [
   {
     path: 'pages',
+    canActivate: [ThemeGuard],
     loadChildren: () => import('./pages/pages.module')
       .then(m => m.PagesModule),
   },
@@ -24,6 +25,7 @@ export const routes: Routes = [
   {
     path: 'auth',
     component: NbAuthComponent,
+    canActivate: [ThemeGuard],
     children: [
       {
         path: '',
@@ -51,8 +53,8 @@ export const routes: Routes = [
       },
     ],
   },
-  { path: '', redirectTo: 'pages', pathMatch: 'full' },
-  { path: '**', redirectTo: 'pages' },
+  { path: '', redirectTo: 'themes', pathMatch: 'full' },
+  { path: '**', redirectTo: 'themes' },
 ];
 
 const config: ExtraOptions = {

src/app/themes-screen/starter.component.html

@@ -1,65 +1,49 @@
 <nb-layout windowMode>
   <nb-layout-header fixed>
-<!--    <div class="header-container">-->
-<!--      <div class="logo-container">-->
-<!--        <a class="logo" href="#">ngx-<span>admin</span></a>-->
-<!--      </div>-->
-<!--    </div>-->
+    <div class="header-container">
+      <div class="logo-container">
+        <p class="logo">ngx-<span>admin</span></p>
+      </div>
+    </div>
 
-<!--    <div class="header-container">-->
-<!--      <nb-actions size="small">-->
-<!--        <nb-action class="control-item github-stars">-->
-<!--          <span class="subtitle text">Support us: </span>-->
-<!--          <iframe src="https://ghbtns.com/github-btn.html?user=akveo&repo=ngx-admin&type=star&count=true"-->
-<!--                  frameborder="0"-->
-<!--                  scrolling="0"-->
-<!--                  width="170px"-->
-<!--                  height="20px">-->
-<!--          </iframe>-->
-<!--        </nb-action>-->
-<!--        <nb-action class="control-item downloads-count">-->
-<!--          <nb-icon icon="download"></nb-icon>-->
-<!--          <span class="subtitle number">470.000</span>-->
-<!--        </nb-action>-->
-<!--        <nb-action class="control-item contact-us">-->
-<!--          &lt;!&ndash;          (click)="trackEmailClick()"&ndash;&gt;-->
-<!--          <a nbButton ghost href="mailto:contact@akveo.com" >-->
-<!--            <nb-icon icon="email-outline" pack="eva"></nb-icon>-->
-<!--            <span>contact@akveo.com</span>-->
-<!--          </a>-->
-<!--        </nb-action>-->
-<!--      </nb-actions>-->
-<!--    </div>-->
+    <div class="header-container">
+      <nb-actions size="small">
+        <nb-action class="control-item github-stars">
+          <span class="subtitle text">Support us: </span>
+          <iframe src="https://ghbtns.com/github-btn.html?user=akveo&repo=ngx-admin&type=star&count=true"
+                  frameborder="0"
+                  scrolling="0"
+                  width="170px"
+                  height="20px">
+          </iframe>
+        </nb-action>
+        <nb-action class="control-item downloads-count">
+          <nb-icon icon="download"></nb-icon>
+          <span class="subtitle number">470.000</span>
+        </nb-action>
+        <nb-action class="control-item contact-us" (click)="trackEmailClick()">
+          <a nbButton ghost href="mailto:contact@akveo.com">
+            <nb-icon icon="email-outline" pack="eva"></nb-icon>
+            <span>contact@akveo.com</span>
+          </a>
+        </nb-action>
+      </nb-actions>
+    </div>
   </nb-layout-header>
 
-  <nb-layout-column class="small">
-    <nb-card>
-      <nb-card-header>Light</nb-card-header>
-      <nb-card-body>
-        <img src="assets/image/corporate-theme.png"
-             class="swiper-lazy"
-             alt="Corporate Theme" />
+ <nb-layout-column>
+     <h4>Choose theme</h4>
 
-      </nb-card-body>
-    </nb-card>
-    <nb-card>
-      <nb-card-header>Light</nb-card-header>
-    </nb-card>
-    <nb-card>
-      <nb-card-header>Light</nb-card-header>
-    </nb-card>
-  </nb-layout-column>
-
-  <nb-layout-column>
-    <nb-card>
-      <nb-card-header>Light</nb-card-header>
-    </nb-card>
-    <nb-card>
-      <nb-card-header>Light</nb-card-header>
-    </nb-card>
-    <nb-card>
-      <nb-card-header>Light</nb-card-header>
-    </nb-card>
+    <ng-container *ngFor="let theme of themes">
+        <nb-card (click)="navigate(theme.value)">
+          <nb-card-header>{{theme.name}}</nb-card-header>
+          <nb-card-body>
+            <img src="../../assets/images/{{theme.value}}-theme.png"
+                 class="theme-preview"
+                 alt="{{theme.name}} Theme"/>
+          </nb-card-body>
+        </nb-card>
+      </ng-container>
   </nb-layout-column>
 
   <nb-layout-footer fixed>

src/app/themes-screen/starter.component.scss

@@ -2,126 +2,176 @@
 @import '~@nebular/theme/styles/global/breakpoints';
 @import '../@theme/styles/themes';
 
-//@include nb-install-component() {
-//  display: flex;
-//  justify-content: space-between;
-//  width: 100%;
-//
-//  .logo-container {
-//    display: flex;
-//    align-items: center;
-//    width: calc(#{nb-theme(sidebar-width)} - #{nb-theme(header-padding)});
-//  }
-//
-//  nb-action {
-//    height: auto;
-//    display: flex;
-//    align-content: center;
-//  }
-//
-//  nb-user {
-//    cursor: pointer;
-//  }
-//
-//  .subtitle {
-//    font-family: nb-theme(text-subtitle-font-family);
-//    font-size: nb-theme(text-subtitle-font-size);
-//    font-weight: nb-theme(text-subtitle-font-weight);
-//    line-height: nb-theme(text-subtitle-line-height);
-//  }
-//
-//  .downloads-count .number {
-//    @include nb-ltr(margin-left, 0.5rem);
-//    @include nb-rtl(margin-right, 0.5rem);
-//  }
-//
-//  ::ng-deep nb-search button {
-//    padding: 0!important;
-//  }
-//
-//  .contact-us {
-//    padding: 0;
-//
-//    nb-icon {
-//      font-size: 1.25rem;
-//    }
-//  }
-//
-//  .header-container {
-//    display: flex;
-//    align-items: center;
-//    width: auto;
-//
-//    .sidebar-toggle {
-//      @include nb-ltr(padding-right, 1.25rem);
-//      @include nb-rtl(padding-left, 1.25rem);
-//      text-decoration: none;
-//      color: nb-theme(text-hint-color);
-//      nb-icon {
-//        font-size: 1.75rem;
-//      }
-//    }
-//
-//    .logo {
-//      padding: 0 1.25rem;
-//      font-size: 1.75rem;
-//      @include nb-ltr(border-left, 1px solid nb-theme(divider-color));
-//      @include nb-rtl(border-right, 1px solid nb-theme(divider-color));
-//      white-space: nowrap;
-//      text-decoration: none;
-//    }
-//  }
-//
-//  .github-stars {
-//    width: 245px;
-//    display: flex;
-//
-//    iframe {
-//      width: 100px;
-//      @include nb-ltr(margin-left, 1rem);
-//      @include nb-rtl(margin-right, 1rem);
-//    }
-//  }
-//
-//  @include media-breakpoint-down(xl) {
-//    .control-item.search,
-//    .control-item.notifications,
-//    .control-item.email,
-//    .control-item.github-stars .text {
-//      display: none;
-//    }
-//
-//    .control-item.github-stars {
-//      width: auto;
-//
-//      iframe {
-//        margin: 0;
-//      }
-//    }
-//  }
-//
-//  @include media-breakpoint-down(lg) {
-//    .downloads-count {
-//      display: none;
-//    }
-//  }
-//
-//  @include media-breakpoint-down(md) {
-//    .theme-select {
-//      display: none;
-//    }
-//  }
-//
-//  @include media-breakpoint-down(sm) {
-//    .contact-us {
-//      display: none;
-//    }
-//  }
-//
-//  @include media-breakpoint-down(is) {
-//    .github-stars,
-//    .user-action {
-//      display: none;
-//    }
-//  }
-//}
+@include nb-install-component() {
+  img {
+    width: 100%;
+    object-fit: contain;
+  }
+
+  h4 {
+    text-align: center;
+    width: 100%;
+    height: 35px;
+    margin-bottom: 36px;
+  }
+
+  nb-layout-column {
+    display: flex;
+    flex-wrap: wrap;
+    justify-content: space-between;
+  }
+
+  nb-card {
+    overflow: hidden;
+    cursor: pointer;
+    width: 32%;
+  }
+
+  nb-card-body {
+    padding: 0;
+    height: auto;
+  }
+
+  nb-layout-header {
+    display: flex;
+    justify-content: space-between;
+    width: 100%;
+
+    ::ng-deep nav {
+      width: 100%;
+      justify-content: space-between;
+    }
+
+    .logo-container {
+      display: flex;
+      align-items: center;
+      width: calc(#{nb-theme(sidebar-width)} - #{nb-theme(header-padding)});
+    }
+
+    nb-action {
+      height: auto;
+      display: flex;
+      align-content: center;
+    }
+
+    .subtitle {
+      font-family: nb-theme(text-subtitle-font-family);
+      font-size: nb-theme(text-subtitle-font-size);
+      font-weight: nb-theme(text-subtitle-font-weight);
+      line-height: nb-theme(text-subtitle-line-height);
+    }
+
+    .downloads-count .number {
+      @include nb-ltr(margin-left, 0.5rem);
+      @include nb-rtl(margin-right, 0.5rem);
+    }
+
+    ::ng-deep nb-search button {
+      padding: 0 !important;
+    }
+
+    .contact-us {
+      padding: 0;
+
+      nb-icon {
+        font-size: 1.25rem;
+      }
+    }
+
+    .header-container {
+      display: flex;
+      align-items: center;
+      width: auto;
+
+      .logo {
+        padding: 0 1.25rem;
+        font-size: 1.75rem;
+        margin-bottom: 0.5rem;
+        @include nb-rtl(border-right, 1px solid nb-theme(divider-color));
+        white-space: nowrap;
+        text-decoration: none;
+      }
+    }
+
+    .github-stars {
+      width: 245px;
+      display: flex;
+
+      iframe {
+        width: 100px;
+        @include nb-ltr(margin-left, 1rem);
+        @include nb-rtl(margin-right, 1rem);
+      }
+    }
+
+    @include media-breakpoint-down(xl) {
+      .control-item.github-stars .text {
+        display: none;
+      }
+
+      .control-item.github-stars {
+        width: auto;
+
+        iframe {
+          margin: 0;
+        }
+      }
+    }
+
+    @include media-breakpoint-down(lg) {
+      .downloads-count {
+        display: none;
+      }
+    }
+
+    @include media-breakpoint-down(md) {
+    }
+
+    @include media-breakpoint-down(sm) {
+      .contact-us {
+        display: none;
+      }
+    }
+
+    @include media-breakpoint-down(is) {
+      .github-stars{
+        display: none;
+      }
+    }
+  }
+
+  @include media-breakpoint-down(xl) {
+    h4 {
+      margin: 0;
+    }
+  }
+
+  @include media-breakpoint-down(lg) {
+    h4 {
+      margin-bottom: 36px;
+    }
+
+    nb-card-header {
+      padding: 12px 20px;
+    }
+
+    nb-card {
+      width: 48%;
+    }
+  }
+
+  @include media-breakpoint-down(md) {
+  }
+
+  @include media-breakpoint-down(sm) {
+    nb-card-header {
+      padding: 10px 20px;
+    }
+  }
+
+  @include media-breakpoint-down(is) {
+    nb-card {
+      width: 100%;
+    }
+  }
+}

src/app/themes-screen/starter.component.ts

@@ -1,8 +1,77 @@
-import {Component} from '@angular/core';
+import {Component, enableProdMode, OnDestroy} from '@angular/core';
+import {NbMediaBreakpoint, NbThemeService} from '@nebular/theme';
+import {ActivatedRoute, Router} from '@angular/router';
+import {AnalyticsService} from '../@core/utils';
+import { environment } from '../../environments/environment';
 
 @Component({
   selector: 'ngx-starter',
   templateUrl: './starter.component.html',
   styleUrls: ['./starter.component.scss'],
 })
-export class NgxStarterComponent {}
+export class NgxStarterComponent implements OnDestroy {
+  breakpoint: NbMediaBreakpoint;
+  breakpoints: any;
+
+  private alive = true;
+
+  themes = [
+    {
+      value: 'material-light',
+      name: 'Material Light',
+    },
+    {
+      value: 'dark',
+      name: 'Dark',
+    },
+    {
+      value: 'default',
+      name: 'Light',
+    },
+    {
+      value: 'material-dark',
+      name: 'Material Dark',
+    },
+    {
+      value: 'corporate',
+      name: 'Corporate',
+    },
+    {
+      value: 'cosmic',
+      name: 'Cosmic',
+    },
+  ];
+
+  constructor(private router: Router,
+              private route: ActivatedRoute,
+              protected themeService: NbThemeService,
+              private analytics: AnalyticsService,
+              ) {}
+
+  navigate(themeName: string) {
+    const currentTheme = {
+      themeName: themeName,
+      expires_in: this.calculateExpiration(environment.currentThemeLife),
+    };
+
+    localStorage.setItem('theme', JSON.stringify(currentTheme));
+
+    this.themeService.changeTheme(themeName);
+    this.router.navigate(['/pages/dashboard'], {queryParams: {theme: themeName}});
+  }
+
+  trackEmailClick() {
+    this.analytics.trackEvent('clickContactEmail', 'click');
+  }
+
+  ngOnDestroy() {
+    this.alive = false;
+  }
+
+  calculateExpiration(iat: number): number {
+    const currentDate = new Date().getTime();
+    const timestamp = iat || Math.floor(Date.now() / 1000);
+
+    return Math.floor(timestamp + currentDate);
+  }
+}

src/environments/environment.prod.ts

@@ -5,4 +5,5 @@
  */
 export const environment = {
   production: true,
+  currentThemeLife: 604800000, // 1 week in milliseconds
 };

src/environments/environment.ts

@@ -10,4 +10,5 @@
 
 export const environment = {
   production: false,
+  currentThemeLife: 604800000, // 1 week in milliseconds
 };