spotube/lib/pages/home/personalized.dart

import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart' hide Page;
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';

import 'package:spotify/spotify.dart';
import 'package:spotube/components/album/album_card.dart';
import 'package:spotube/components/playlist/playlist_card.dart';
import 'package:spotube/components/shared/shimmers/shimmer_playbutton_card.dart';
import 'package:spotube/components/shared/waypoint.dart';
import 'package:spotube/models/logger.dart';
import 'package:spotube/services/queries/queries.dart';
import 'package:spotube/utils/type_conversion_utils.dart';

class PersonalizedItemCard extends HookWidget {
  final Iterable<Page<PlaylistSimple>>? playlists;
  final Iterable<Page<AlbumSimple>>? albums;
  final String title;
  final bool hasNextPage;
  final void Function() onFetchMore;

  PersonalizedItemCard({
    this.playlists,
    this.albums,
    required this.title,
    required this.hasNextPage,
    required this.onFetchMore,
    Key? key,
  })  : assert(playlists == null || albums == null),
        super(key: key);

  final logger = getLogger(PersonalizedItemCard);

  @override
  Widget build(BuildContext context) {
    final scrollController = useScrollController();

    final playlistItems = playlists
        ?.expand(
          (page) => page.items ?? const Iterable<PlaylistSimple>.empty(),
        )
        .toList();

    final albumItems = albums
        ?.expand(
          (page) => page.items ?? const Iterable<AlbumSimple>.empty(),
        )
        .toList();

    return Padding(
      padding: const EdgeInsets.all(8.0),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        mainAxisSize: MainAxisSize.min,
        children: [
          Padding(
            padding: const EdgeInsets.all(8.0),
            child: Text(
              title,
              style: Theme.of(context).textTheme.titleLarge,
            ),
          ),
          ScrollConfiguration(
            behavior: ScrollConfiguration.of(context).copyWith(
              dragDevices: {
                PointerDeviceKind.touch,
                PointerDeviceKind.mouse,
              },
            ),
            child: Scrollbar(
              controller: scrollController,
              interactive: false,
              child: Waypoint(
                controller: scrollController,
                onTouchEdge: hasNextPage ? onFetchMore : null,
                child: SingleChildScrollView(
                  scrollDirection: Axis.horizontal,
                  controller: scrollController,
                  physics: const AlwaysScrollableScrollPhysics(),
                  padding: const EdgeInsets.symmetric(vertical: 8.0),
                  child: Row(
                    mainAxisSize: MainAxisSize.min,
                    children: [
                      ...?playlistItems
                          ?.map((playlist) => PlaylistCard(playlist)),
                      ...?albumItems?.map(
                        (album) => AlbumCard(
                          TypeConversionUtils.simpleAlbum_X_Album(album),
                        ),
                      ),
                      if (hasNextPage) const ShimmerPlaybuttonCard(count: 1),
                    ],
                  ),
                ),
              ),
            ),
          ),
        ],
      ),
    );
  }
}

class PersonalizedPage extends HookConsumerWidget {
  const PersonalizedPage({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context, ref) {
    final featuredPlaylistsQuery = useQueries.playlist.featured(ref);

    final newReleases = useQueries.album.newReleases(ref);

    return SafeArea(
      child: ListView(
        children: [
          PersonalizedItemCard(
            playlists:
                featuredPlaylistsQuery.pages.whereType<Page<PlaylistSimple>>(),
            title: 'Featured',
            hasNextPage: featuredPlaylistsQuery.hasNextPage,
            onFetchMore: featuredPlaylistsQuery.fetchNext,
          ),
          PersonalizedItemCard(
            albums: newReleases.pages.whereType<Page<AlbumSimple>>(),
            title: 'New Releases',
            hasNextPage: newReleases.hasNextPage,
            onFetchMore: newReleases.fetchNext,
          ),
        ],
      ),
    );
  }
}