feat: pagination

apps/frontend/src/app/components/music/music-list.component.ts

@@ -12,12 +12,13 @@ import { AuthService } from '../../services/auth.service';
 import { CommentsService } from '../../services/comments.service';
 import { SanitizeService } from '../../services/sanitize.service';
 import { SuggestionService } from '../../services/suggestion.service';
+import { PaginationComponent } from '../shared/pagination.component';
 import { Music, MusicStatus, MusicType, CreateMusicDto, UpdateMusicDto, Comment, SuggestionEntity, Link } from '@library/shared-types';
 
 @Component({
   selector: 'app-music-list',
   standalone: true,
-  imports: [CommonModule, FormsModule],
+  imports: [CommonModule, FormsModule, PaginationComponent],
   template: `
     <div class="container">
       <div class="header-section">
@@ -463,8 +464,16 @@ import { Music, MusicStatus, MusicType, CreateMusicDto, UpdateMusicDto, Comment,
           <p>No music found with these filters.</p>
         </div>
       } @else {
+        <app-pagination
+          [currentPage]="currentPage()"
+          [pageSize]="pageSize()"
+          [totalItems]="totalFilteredMusic()"
+          (pageChange)="onPageChange($event)"
+          (pageSizeChange)="onPageSizeChange($event)"
+        ></app-pagination>
+
         <div class="music-grid">
-          @for (music of filteredMusic(); track music.id) {
+          @for (music of paginatedMusic(); track music.id) {
             <div class="music-card" [class.completed]="music.status === MusicStatus.completed">
               @if (music.coverArt) {
                 <img [src]="music.coverArt" [alt]="music.title" class="music-cover">
@@ -620,6 +629,14 @@ import { Music, MusicStatus, MusicType, CreateMusicDto, UpdateMusicDto, Comment,
             </div>
           }
         </div>
+
+        <app-pagination
+          [currentPage]="currentPage()"
+          [pageSize]="pageSize()"
+          [totalItems]="totalFilteredMusic()"
+          (pageChange)="onPageChange($event)"
+          (pageSizeChange)="onPageSizeChange($event)"
+        ></app-pagination>
       }
     </div>
   `,
@@ -1244,6 +1261,10 @@ export class MusicListComponent implements OnInit {
   typeFilter = signal<'all' | MusicType>('all');
   statusFilter = signal<'all' | MusicStatus>('all');
 
+  // Pagination state
+  currentPage = signal(1);
+  pageSize = signal(25);
+
   // Comments state
   comments = signal<Record<string, Comment[]>>({});
   commentsLoading = signal<Record<string, boolean>>({});
@@ -1299,6 +1320,15 @@ export class MusicListComponent implements OnInit {
     return filtered;
   });
 
+  paginatedMusic = computed(() => {
+    const music = this.filteredMusic();
+    const start = (this.currentPage() - 1) * this.pageSize();
+    const end = start + this.pageSize();
+    return music.slice(start, end);
+  });
+
+  totalFilteredMusic = computed(() => this.filteredMusic().length);
+
   newMusic: Partial<CreateMusicDto> = {
     title: '',
     artist: '',
@@ -1339,10 +1369,24 @@ export class MusicListComponent implements OnInit {
 
   setTypeFilter(filter: 'all' | MusicType) {
     this.typeFilter.set(filter);
+    this.currentPage.set(1); // Reset to first page when filter changes
   }
 
   setStatusFilter(filter: 'all' | MusicStatus) {
     this.statusFilter.set(filter);
+    this.currentPage.set(1); // Reset to first page when filter changes
+  }
+
+  onPageChange(page: number) {
+    this.currentPage.set(page);
+  }
+
+  onPageSizeChange(pageSize: number) {
+    this.pageSize.set(pageSize);
+    // Calculate new current page to stay on approximately the same content
+    const firstItemIndex = (this.currentPage() - 1) * this.pageSize();
+    const newPage = Math.floor(firstItemIndex / pageSize) + 1;
+    this.currentPage.set(newPage);
   }
 
   getTypeLabel(type: MusicType): string {