add remaining stuff for about page

webapp/.storybook/preview.ts

@@ -55,7 +55,7 @@ const preview: Preview = {
         light: '',
         dark: 'dark bg-background',
       },
-      defaultTheme: 'dark',
+      defaultTheme: 'light',
     }),
     applicationConfig(appConfig),
   ],

webapp/src/app/about/about.component.html

@@ -1 +1,53 @@
-<p>about works!</p>
+<div class="flex flex-col gap-4">
+  <h1 class="text-3xl font-bold">About</h1>
+  <p class="mb-4">
+    Hephaestus leverages generative AI to streamline software development and enhance developer training. Focused on improving every phase of the software development lifecycle
+    (SDLC) and supporting agile practices, Hephaestus helps teams work more efficiently and adhere to best practices.
+  </p>
+  <h2 class="text-2xl font-semibold">Team</h2>
+  @if (query.isPending()) {
+    <span class="text-muted-foreground">Loading...</span>
+  } @else if (query.error()) {
+    <span class="text-destructive">An error has occurred</span>
+  }
+
+  @if (projectManager(); as projectManager) {
+    <div class="flex items-center gap-3 mb-4">
+      <a
+        [href]="projectManager.html_url"
+        target="_blank"
+        rel="noopener noreferrer"
+        class="hover:scale-105 transition-all hover:shadow-secondary-foreground/15 hover:shadow-lg rounded-full"
+      >
+        <app-avatar class="size-32">
+          <app-avatar-image [src]="projectManager.avatar_url" [alt]="projectManager.login + '\'s avatar'" />
+          <app-avatar-fallback>{{ projectManager.login.slice(0, 1).toUpperCase() }}</app-avatar-fallback>
+        </app-avatar>
+      </a>
+      <div>
+        <div class="text-2xl font-semibold">Felix T.J. Dietrich</div>
+        <div class="text-lg text-muted-foreground">Project Manager</div>
+        <a href="https://ase.cit.tum.de/people/dietrich/" target="_blank" rel="noopener noreferrer" class="text-primary underline-offset-4 hover:underline">Website</a>
+      </div>
+    </div>
+  }
+
+  @if (contributors(); as contributors) {
+    <h3 class="text-lg font-bold">Contributors</h3>
+    <div class="flex flex-wrap gap-2">
+      @for (contributor of contributors; track contributor.id) {
+        <a
+          [href]="contributor.html_url"
+          target="_blank"
+          rel="noopener noreferrer"
+          class="hover:scale-105 transition-all hover:shadow-secondary-foreground/15 hover:shadow-lg rounded-full"
+        >
+          <app-avatar class="size-20">
+            <app-avatar-image [src]="contributor.avatar_url" [alt]="contributor.login + '\'s avatar'" />
+            <app-avatar-fallback>{{ contributor.login.slice(0, 1).toUpperCase() }}</app-avatar-fallback>
+          </app-avatar>
+        </a>
+      }
+    </div>
+  }
+</div>

webapp/src/app/about/about.component.ts

@@ -1,9 +1,60 @@
-import { Component } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+import { Component, computed, inject } from '@angular/core';
+import { injectQuery } from '@tanstack/angular-query-experimental';
+import { lastValueFrom } from 'rxjs';
+import { AvatarComponent } from 'app/ui/avatar/avatar.component';
+import { AvatarImageComponent } from 'app/ui/avatar/avatar-image.component';
+import { AvatarFallbackComponent } from 'app/ui/avatar/avatar-fallback.component';
+import { ButtonComponent } from 'app/ui/button/button.component';
+
+interface Contributor {
+  id: number;
+  login: string;
+  url: string;
+  html_url: string;
+  avatar_url: string;
+}
 
 @Component({
   selector: 'app-about',
   standalone: true,
-  imports: [],
+  imports: [AvatarComponent, AvatarImageComponent, AvatarFallbackComponent, ButtonComponent],
   templateUrl: './about.component.html'
 })
-export class AboutComponent {}
+export class AboutComponent {
+  http = inject(HttpClient);
+
+  query = injectQuery(() => ({
+    queryKey: ['contributors'],
+    queryFn: async () => lastValueFrom(this.http.get('https://api.github.com/repos/ls1intum/hephaestus/contributors')) as Promise<Contributor[]>,
+    gcTime: Infinity
+  }));
+
+  private queryArray = computed(
+    () =>
+      this.query.data()?.map((contributor) => ({
+        queryKey: ['contributor', contributor.id],
+        queryFn: async () => lastValueFrom(this.http.get(contributor.url)) as Promise<{ id: number; name: string }>,
+        gcTime: Infinity
+      })) ?? []
+  );
+
+  projectManager = computed(() => {
+    const data = this.query.data();
+    if (!data) {
+      return undefined;
+    }
+    // 5898705 is the id of the project manager Felix T.J. Dietrich
+    return data.find((contributor) => contributor.id === 5898705);
+  });
+
+  contributors = computed(() => {
+    const data = this.query.data();
+    if (!data) {
+      return undefined;
+    }
+    return data.filter((contributor) => contributor.id !== 5898705);
+  });
+
+  JSON = JSON;
+}

webapp/src/app/about/about.stories.ts

@@ -0,0 +1,18 @@
+import { type Meta, type StoryObj } from '@storybook/angular';
+import { AboutComponent } from './about.component';
+
+const meta: Meta<AboutComponent> = {
+  title: 'Pages/About',
+  component: AboutComponent,
+  tags: ['autodocs']
+};
+
+export default meta;
+type Story = StoryObj<AboutComponent>;
+
+export const Default: Story = {
+  render: (args) => ({
+    props: args,
+    template: `<app-about />`
+  })
+};

webapp/src/app/app.component.html

@@ -1,10 +1,26 @@
-<main class="container">
-  <header class="flex items-center justify-between py-4">
-    <a class="flex gap-2 items-center hover:text-muted-foreground" href="/">
+<div class="flex flex-col min-h-dvh">
+  <header class="container flex items-center justify-between pt-4">
+    <a class="flex gap-2 items-center hover:text-muted-foreground" routerLink="/">
       <lucide-angular name="hammer" class="size-6" />
       <span class="text-xl font-semibold">Hephaestus</span>
     </a>
     <app-theme-switcher />
   </header>
-  <router-outlet />
-</main>
+  <main class="container flex-grow pt-4 pb-8">
+    <router-outlet />
+  </main>
+  <footer class="py-6 md:px-8 md:py-0 border-t">
+    <div class="container flex flex-col items-center justify-between gap-4 md:h-24 md:flex-row">
+      <p class="text-balance text-center text-sm leading-loose text-muted-foreground md:text-left">
+        <a routerLink="about" class="font-medium underline underline-offset-4">About</a>
+      </p>
+      <p class="text-balance text-center text-sm leading-loose text-muted-foreground md:text-left">
+        Built by
+        <a href="https://github.com/ls1intum" target="_blank" rel="noreferrer" class="font-medium underline underline-offset-4">LS1 Team</a>
+        at
+        <a href="https://www.tum.de/en/" target="_blank" rel="noreferrer" class="font-medium underline underline-offset-4">TUM</a>. The source code is available on
+        <a href="https://github.com/ls1intum/hephaestus" target="_blank" rel="noreferrer" class="font-medium underline underline-offset-4"> GitHub</a>.
+      </p>
+    </div>
+  </footer>
+</div>

webapp/src/app/ui/avatar/avatar-fallback.component.ts

@@ -3,6 +3,7 @@ import { cn } from 'app/utils';
 import { ClassValue } from 'clsx';
 import { injectAvatarConfig } from './avatar-config';
 import { injectAvatar } from './avatar.component';
+import { Subject, takeUntil, timer } from 'rxjs';
 
 @Component({
   selector: 'app-avatar-fallback',
@@ -17,20 +18,21 @@ export class AvatarFallbackComponent implements OnInit, OnDestroy {
   private readonly avatar = injectAvatar();
   private config = injectAvatarConfig();
   private delayElapsed = signal(false);
-  private timeout: NodeJS.Timeout | null = null;
+  private destroy$ = new Subject<void>();
 
   class = input<ClassValue>();
   delayMs = input(this.config.delayMs);
   computedClass = computed(() => cn('absolute inset-0 flex items-center justify-center rounded-full bg-muted', this.class()));
   visible = computed(() => this.avatar.state() !== 'loaded' && this.delayElapsed());
 
   ngOnInit(): void {
-    this.timeout = setTimeout(() => this.delayElapsed.set(true), this.delayMs());
+    timer(this.delayMs())
+      .pipe(takeUntil(this.destroy$))
+      .subscribe(() => this.delayElapsed.set(true));
   }
 
   ngOnDestroy(): void {
-    if (this.timeout) {
-      clearTimeout(this.timeout);
-    }
+    this.destroy$.next();
+    this.destroy$.complete();
   }
 }

webapp/src/app/ui/avatar/avatar.stories.ts

@@ -46,16 +46,13 @@ export default meta;
 type Story = StoryObj<AvatarComponent>;
 
 export const Default: Story = {
-  render: (args) => {
-    console.log(args);
-    return {
-      props: args,
-      template: `
+  render: (args) => ({
+    props: args,
+    template: `
       <app-avatar>
         <app-avatar-image ${argsToTemplate(args)}/>
         <app-avatar-fallback ${argsToTemplate(args)}>CN</app-avatar-fallback>
       </app-avatar>
     `
-    };
-  }
+  })
 };