feat(apps): create login page (#502)

Create the login page for the prs application.

PR Close #502

apps/prs/src/app/app-routing.module.ts

@@ -1,7 +1,9 @@
 import {NgModule} from '@angular/core';
 import {RouterModule, Routes} from '@angular/router';
 
-const routes: Routes = [];
+const routes: Routes = [
+  {path: 'login', loadChildren: () => import('./login/login.module').then((m) => m.LoginModule)},
+];
 
 @NgModule({
   imports: [RouterModule.forRoot(routes)],

apps/prs/src/app/app.component.html

@@ -1,6 +1,6 @@
 <mat-toolbar color="primary" class="app-header-bar">
   <span class="spacer"></span>
-  <account></account>
+  <account-menu-button></account-menu-button>
 </mat-toolbar>
 <mat-sidenav-container class="sidenav-container">
   <mat-sidenav #drawer class="sidenav" mode="side">

apps/prs/src/app/app.component.scss

@@ -2,7 +2,6 @@
   position: sticky;
   top: 0;
   z-index: 1;
-  flex-direction: row;
 
   .spacer {
     flex: 1;

apps/prs/src/app/login/login-routing.module.ts

@@ -0,0 +1,11 @@
+import {NgModule} from '@angular/core';
+import {RouterModule, Routes} from '@angular/router';
+import {LoginComponent} from './login.component';
+
+const routes: Routes = [{path: '', component: LoginComponent}];
+
+@NgModule({
+  imports: [RouterModule.forChild(routes)],
+  exports: [RouterModule],
+})
+export class LoginRoutingModule {}

apps/prs/src/app/login/login.component.html

@@ -0,0 +1,11 @@
+<mat-card>
+  <mat-card-title>
+    Angular PR Management
+  </mat-card-title>
+
+  <!-- TODO: expand on welcome/login screen content. -->
+
+  <mat-card-actions align="end">
+    <button mat-raised-button color="primary" (click)="signIn()">Sign In</button>
+  </mat-card-actions>
+</mat-card>

apps/prs/src/app/login/login.component.scss

@@ -0,0 +1,4 @@
+.mat-card {
+  width: 500px;
+  margin: 150px auto 0;
+}

apps/prs/src/app/login/login.component.spec.ts

@@ -0,0 +1,24 @@
+import {ComponentFixture, TestBed} from '@angular/core/testing';
+
+import {LoginComponent} from './login.component';
+
+describe('LoginComponent', () => {
+  let component: LoginComponent;
+  let fixture: ComponentFixture<LoginComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [LoginComponent],
+    }).compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(LoginComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

apps/prs/src/app/login/login.component.ts

@@ -0,0 +1,20 @@
+import {Component} from '@angular/core';
+import {Router} from '@angular/router';
+import {AccountService} from '../../../../shared/account/account.service';
+
+@Component({
+  selector: 'app-login',
+  templateUrl: './login.component.html',
+  styleUrls: ['./login.component.scss'],
+})
+export class LoginComponent {
+  constructor(private account: AccountService, private router: Router) {}
+
+  signIn() {
+    this.account.signInWithGoogle().then((signedIn) => {
+      if (signedIn) {
+        this.router.navigateByUrl('');
+      }
+    });
+  }
+}

apps/prs/src/app/login/login.module.ts

@@ -0,0 +1,15 @@
+import {NgModule} from '@angular/core';
+import {CommonModule} from '@angular/common';
+
+import {LoginRoutingModule} from './login-routing.module';
+import {LoginComponent} from './login.component';
+
+import {MatCardModule} from '@angular/material/card';
+import {MatButtonModule} from '@angular/material/button';
+import {AccountModule} from '../../../../shared/account/account.module';
+
+@NgModule({
+  declarations: [LoginComponent],
+  imports: [CommonModule, LoginRoutingModule, MatCardModule, MatButtonModule, AccountModule],
+})
+export class LoginModule {}