Feat: Polish Angular UI with cohesive design system

Introduces a shared CSS custom property token layer and applies it
across all five views (library, upload, detail, login, app shell).
Each view now has intentional loading, empty, and error states.

- styles.css: 13 design tokens on :root; shimmer skeleton animation
- Library: 150ms-debounced skeleton loading, empty state with /upload
  link, error card with retry, card hover lift, broken-image fallback
- Upload: token-styled drop-zone, Uploading… spinner, 4s success
  banner, distinct validation vs. network error messages
- Detail: image skeleton, network error card (separate from 404
  not-found card), Owner actions panel, danger tag error styling,
  broken-image fallback
- Login: vertically centred surface card, danger field/server errors,
  Signing in… disabled button
- App shell: 48px fixed header, app name left, sign-out right, no
  reflow on auth state change
- All 24 ESLint errors resolved (including pre-existing auth spec
  issues); ng build and ng lint pass clean

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-05-03 20:03:56 +00:00
parent 5179786261
commit 9246f75fdd
23 changed files with 1777 additions and 181 deletions

View File

@@ -1,21 +1,58 @@
import { Component, OnInit, ChangeDetectionStrategy, ChangeDetectorRef } from '@angular/core';
import { CommonModule } from '@angular/common';
import { FormsModule } from '@angular/forms';
import { ActivatedRoute, Router } from '@angular/router';
import { ActivatedRoute, Router, RouterLink } from '@angular/router';
import { ImageRecord, ImageService } from '../services/image.service';
import { AuthService } from '../auth/auth.service';
const PLACEHOLDER_SVG = `data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="800" height="500" viewBox="0 0 800 500"><rect width="800" height="500" fill="%23111"/><text x="50%" y="50%" dominant-baseline="middle" text-anchor="middle" font-size="48" fill="%23444">&#x1F517;</text></svg>`;
@Component({
selector: 'app-detail',
standalone: true,
imports: [CommonModule, FormsModule],
imports: [CommonModule, FormsModule, RouterLink],
changeDetection: ChangeDetectionStrategy.OnPush,
template: `
<div class="detail-page" *ngIf="image">
<button class="back-btn" (click)="goBack()">← Back</button>
<!-- Loading skeleton -->
<div class="detail-page" *ngIf="loading">
<div class="skeleton image-skeleton"></div>
<div class="chip-row-skeleton">
<div *ngFor="let _ of skeletonChips" class="skeleton chip-skeleton"></div>
</div>
<div class="chip-row-skeleton">
<div *ngFor="let _ of skeletonChips" class="skeleton chip-skeleton short"></div>
</div>
</div>
<!-- Network error state -->
<div class="fetch-error-card" *ngIf="error && !loading">
<span class="error-icon">⚠</span>
<p>Failed to load image. Please check your connection.</p>
<div class="error-actions">
<button class="retry-btn" (click)="retry()">Retry</button>
<a routerLink="/" class="back-link">Back to library</a>
</div>
</div>
<!-- Not-found state -->
<div class="not-found-card" *ngIf="!image && !loading && !error">
<span class="not-found-icon">✦</span>
<h2>Image not found</h2>
<p>This image may have been deleted or the URL is incorrect.</p>
<a routerLink="/" class="back-btn">Back to library</a>
</div>
<!-- Main content -->
<div class="detail-page" *ngIf="image && !loading">
<button class="back-btn-inline" (click)="goBack()">← Back</button>
<h2>{{ image.filename }}</h2>
<img class="full-image" [src]="imageService.getFileUrl(image.id)" [alt]="image.filename" />
<img
class="full-image"
[src]="imageService.getFileUrl(image.id)"
[alt]="image.filename"
(error)="onImgError($event)"
/>
<section class="tags-section">
<h3>Tags</h3>
@@ -24,7 +61,11 @@ import { AuthService } from '../auth/auth.service';
{{ tag }} <button *ngIf="auth.isAuthenticated()" (click)="removeTag(tag)">×</button>
</span>
</div>
<div class="add-tag" *ngIf="auth.isAuthenticated()">
<p class="tag-error" *ngIf="tagError">{{ tagError }}</p>
</section>
<section class="owner-actions" *ngIf="auth.isAuthenticated()">
<div class="add-tag">
<input
[(ngModel)]="newTagInput"
placeholder="Add tag…"
@@ -32,11 +73,9 @@ import { AuthService } from '../auth/auth.service';
(blur)="onBlur()"
/>
</div>
<p class="tag-error" *ngIf="tagError">{{ tagError }}</p>
<button class="delete-btn" (click)="showDeleteDialog = true">Delete Image</button>
</section>
<button *ngIf="auth.isAuthenticated()" class="delete-btn" (click)="showDeleteDialog = true">Delete Image</button>
<div class="dialog-overlay" *ngIf="showDeleteDialog">
<div class="dialog">
<p>Permanently delete this image?</p>
@@ -45,34 +84,78 @@ import { AuthService } from '../auth/auth.service';
</div>
</div>
</div>
<p *ngIf="!image && !loading" class="not-found">Image not found.</p>
`,
styles: [`
.detail-page { max-width: 900px; margin: 32px auto; padding: 0 16px; }
.back-btn { background: none; border: none; color: #4a9eff; cursor: pointer; font-size: 1rem; margin-bottom: 16px; padding: 0; }
.full-image { width: 100%; max-height: 70vh; object-fit: contain; background: #111; border-radius: 8px; display: block; }
/* Skeleton */
.image-skeleton { width: 100%; height: 400px; margin-bottom: 16px; }
.chip-row-skeleton { display: flex; gap: 8px; margin-bottom: 10px; padding: 0 16px; }
.chip-skeleton { width: 64px; height: 28px; border-radius: var(--radius-chip); }
.chip-skeleton.short { width: 48px; }
/* Network error card */
.fetch-error-card {
max-width: 520px; margin: 80px auto; text-align: center;
padding: 40px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
}
.error-icon { display: block; font-size: 2rem; color: var(--danger); margin-bottom: 12px; }
.error-actions { display: flex; justify-content: center; gap: 16px; margin-top: 20px; }
.retry-btn { padding: 8px 20px; background: var(--surface-raised); color: var(--text); border: 1px solid var(--border); border-radius: var(--radius); cursor: pointer; }
.retry-btn:hover { border-color: var(--border-focus); }
.back-link { color: var(--accent); text-decoration: none; line-height: 2.2; }
/* Not-found card */
.not-found-card {
max-width: 480px; margin: 80px auto; text-align: center;
padding: 48px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
}
.not-found-icon { display: block; font-size: 2.5rem; color: var(--text-muted); margin-bottom: 16px; }
.not-found-card h2 { margin-bottom: 8px; }
.not-found-card p { color: var(--text-muted); margin-bottom: 24px; }
/* Main detail */
.back-btn-inline { background: none; border: none; color: var(--accent); cursor: pointer; font-size: 1rem; margin-bottom: 16px; padding: 0; }
.back-btn {
display: inline-block; margin-top: 16px; padding: 10px 24px;
background: var(--surface-raised); color: var(--text);
border: 1px solid var(--border); border-radius: var(--radius); cursor: pointer; text-decoration: none;
}
.back-btn:hover { border-color: var(--border-focus); }
.full-image { width: 100%; max-height: 70vh; object-fit: contain; background: #111; border-radius: var(--radius); display: block; }
.tags-section { margin-top: 24px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.chip { background: #333; padding: 4px 12px; border-radius: 14px; display: flex; align-items: center; gap: 6px; }
.chip button { background: none; border: none; color: #aaa; cursor: pointer; font-size: 1rem; }
.add-tag input { padding: 8px; background: #1a1a1a; border: 1px solid #444; color: #e0e0e0; border-radius: 4px; width: 200px; }
.tag-error { color: #ff6b6b; font-size: 0.85rem; margin-top: 6px; }
.delete-btn { margin-top: 32px; padding: 10px 24px; background: #c0392b; color: #fff; border: none; border-radius: 6px; cursor: pointer; }
.chip { background: var(--surface-raised); padding: 4px 12px; border-radius: var(--radius-chip); display: flex; align-items: center; gap: 6px; }
.chip button { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 1rem; }
.tag-error { color: var(--danger); font-size: 0.85rem; margin-top: 6px; border-left: 3px solid var(--danger); padding-left: 10px; }
/* Owner actions panel */
.owner-actions {
margin-top: 24px; padding: 20px;
background: var(--surface); border-top: 1px solid var(--border); border-radius: var(--radius);
display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.add-tag input { padding: 8px; background: var(--surface-raised); border: 1px solid var(--border); color: var(--text); border-radius: var(--radius); width: 200px; }
.add-tag input:focus { outline: none; border-color: var(--border-focus); }
.delete-btn { padding: 10px 24px; background: var(--danger); color: var(--danger-text); border: none; border-radius: var(--radius); cursor: pointer; margin-left: auto; }
/* Delete dialog */
.dialog-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.7); display: flex; align-items: center; justify-content: center; z-index: 100; }
.dialog { background: #1a1a1a; padding: 32px; border-radius: 10px; text-align: center; }
.dialog button { margin: 0 8px; padding: 8px 20px; border: none; border-radius: 6px; cursor: pointer; }
.dialog button:first-of-type { background: #c0392b; color: #fff; }
.dialog button:last-of-type { background: #444; color: #e0e0e0; }
.not-found { text-align: center; color: #666; padding: 60px; }
.dialog { background: var(--surface); padding: 32px; border-radius: 10px; text-align: center; }
.dialog button { margin: 12px 8px 0; padding: 8px 20px; border: none; border-radius: var(--radius); cursor: pointer; }
.dialog button:first-of-type { background: var(--danger); color: var(--danger-text); }
.dialog button:last-of-type { background: var(--surface-raised); color: var(--text); }
`],
})
export class DetailComponent implements OnInit {
image: ImageRecord | null = null;
loading = true;
error = false;
newTagInput = '';
tagError = '';
showDeleteDialog = false;
readonly skeletonChips = Array(4).fill(null);
private currentId = '';
constructor(
public imageService: ImageService,
@@ -85,9 +168,35 @@ export class DetailComponent implements OnInit {
ngOnInit(): void {
const id = this.route.snapshot.paramMap.get('id');
if (!id) { this.loading = false; return; }
this.currentId = id;
this.fetchImage(id);
}
retry(): void {
this.error = false;
this.loading = true;
this.cdr.markForCheck();
this.fetchImage(this.currentId);
}
private fetchImage(id: string): void {
this.imageService.get(id).subscribe({
next: (img) => { this.image = img; this.loading = false; this.cdr.markForCheck(); },
error: () => { this.loading = false; this.cdr.markForCheck(); },
next: (img) => {
this.image = img;
this.loading = false;
this.error = false;
this.cdr.markForCheck();
},
error: (err) => {
this.loading = false;
if (err?.status === 404) {
this.image = null;
this.error = false;
} else {
this.error = true;
}
this.cdr.markForCheck();
},
});
}
@@ -127,4 +236,11 @@ export class DetailComponent implements OnInit {
}
goBack(): void { this.router.navigate(['/']); }
onImgError(event: Event): void {
const img = event.target as HTMLImageElement;
if (!img.src.startsWith('data:')) {
img.src = PLACEHOLDER_SVG;
}
}
}