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basic audiobook player

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Dr-Blank 2024-05-14 06:13:16 -04:00
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lib/pages/library_item_page.dart
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@ -1,756 +0,0 @@
import 'dart:math';
import 'package:animated_theme_switcher/animated_theme_switcher.dart';
import 'package:flutter/material.dart';
import 'package:flutter_animate/flutter_animate.dart';
import 'package:font_awesome_flutter/font_awesome_flutter.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:shelfsdk/audiobookshelf_api.dart' as shelfsdk;
import 'package:whispering_pages/api/image_provider.dart';
import 'package:whispering_pages/api/library_item_provider.dart';
import 'package:whispering_pages/extensions/hero_tag_conventions.dart';
import 'package:whispering_pages/router/models/library_item_extras.dart';
import 'package:whispering_pages/settings/app_settings_provider.dart';
import 'package:whispering_pages/theme/theme_from_cover_provider.dart';
import 'package:whispering_pages/widgets/shelves/book_shelf.dart';
import '../widgets/expandable_description.dart';
import '../widgets/library_item_sliver_app_bar.dart';
class LibraryItemPage extends HookConsumerWidget {
const LibraryItemPage({
super.key,
required this.itemId,
this.extra,
});
final String itemId;
final Object? extra;
@override
Widget build(BuildContext context, WidgetRef ref) {
final extraMap =
extra is LibraryItemExtras ? extra as LibraryItemExtras : null;
final bookDetailsCached = extraMap?.book;
final providedCacheImage = extraMap?.coverImage != null
? Image.memory(extraMap!.coverImage!)
: null;
final itemFromApi = ref.watch(libraryItemProvider(itemId));
var itemBookMetadata =
itemFromApi.valueOrNull?.media.metadata as shelfsdk.BookMetadata?;
final useMaterialThemeOnItemPage =
ref.watch(appSettingsProvider).useMaterialThemeOnItemPage;
AsyncValue<ColorScheme?> coverColorScheme = const AsyncValue.loading();
if (useMaterialThemeOnItemPage) {
coverColorScheme = ref.watch(
themeOfLibraryItemProvider(
itemFromApi.valueOrNull,
brightness: Theme.of(context).brightness,
),
);
debugPrint('ColorScheme: ${coverColorScheme.valueOrNull}');
} else {
debugPrint('useMaterialThemeOnItemPage is false');
// AsyncValue<ColorScheme?> coverColorScheme = const AsyncValue.loading();
}
return ThemeProvider(
initTheme: Theme.of(context),
duration: 200.ms,
child: ThemeSwitchingArea(
child: Builder(
builder: (context) {
return Scaffold(
body: CustomScrollView(
slivers: [
const LibraryItemSliverAppBar(),
SliverPadding(
padding: const EdgeInsets.all(8),
sliver: LibraryItemHeroSection(
itemId: itemId,
extraMap: extraMap,
providedCacheImage: providedCacheImage,
item: itemFromApi,
itemBookMetadata: itemBookMetadata,
bookDetailsCached: bookDetailsCached,
coverColorScheme: coverColorScheme,
),
),
// a horizontal display with dividers of metadata
SliverToBoxAdapter(
child: itemFromApi.valueOrNull != null
? LibraryItemMetadata(
item: itemFromApi.valueOrNull!,
itemBookMetadata: itemBookMetadata,
bookDetailsCached: bookDetailsCached,
)
: const SizedBox.shrink(),
),
// a row of actions like play, download, share, etc
const SliverPadding(
padding: EdgeInsets.symmetric(horizontal: 8, vertical: 8),
sliver: LibraryItemActions(),
),
// a expandable section for book description
SliverToBoxAdapter(
child:
itemFromApi.valueOrNull?.media.metadata.description !=
null
? ExpandableDescription(
title: 'About the Book',
content: itemFromApi
.valueOrNull!.media.metadata.description!,
)
: const SizedBox.shrink(),
),
],
),
);
},
),
),
);
}
}
class LibraryItemMetadata extends StatelessWidget {
const LibraryItemMetadata({
super.key,
required this.item,
this.itemBookMetadata,
this.bookDetailsCached,
});
final shelfsdk.LibraryItem item;
final shelfsdk.BookMetadata? itemBookMetadata;
final shelfsdk.BookMinified? bookDetailsCached;
@override
Widget build(BuildContext context) {
final children = [
// duration of the book
_MetadataItem(
title: switch (itemBookMetadata?.abridged) {
true => 'Abridged',
false => 'Unabridged',
_ => 'Length',
},
value: getDurationFormatted() ?? 'time is just a concept',
),
_MetadataItem(
title: 'Published',
value: itemBookMetadata?.publishedDate ??
itemBookMetadata?.publishedYear ??
'Unknown',
),
_MetadataItem(
title: getCodecAndBitrate() ?? 'Codec & Bitrate',
value: getSizeFormatted() ?? 'Unknown',
),
];
return Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: IntrinsicHeight(
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
// alternate between metadata and vertical divider
children: List.generate(
children.length * 2 - 1,
(index) {
if (index.isEven) {
return children[index ~/ 2];
}
return VerticalDivider(
indent: 6,
endIndent: 6,
color:
Theme.of(context).colorScheme.onBackground.withOpacity(0.6),
);
},
),
),
),
);
}
/// formats the duration of the book as `10h 30m`
///
/// will add up all the durations of the audio files first
/// then convert them to the given format
String? getDurationFormatted() {
final book = (item.media as shelfsdk.Book?);
if (book == null) {
return null;
}
final duration = book.audioFiles
.map((e) => e.duration)
.reduce((value, element) => value + element);
final hours = duration.inHours;
final minutes = duration.inMinutes.remainder(60);
return '${hours}h ${minutes}m';
}
/// will return the size of the book in MB
///
/// will add up all the sizes of the audio files first
/// then convert them to MB
String? getSizeFormatted() {
final book = (item.media as shelfsdk.Book?);
if (book == null) {
return null;
}
final size = book.audioFiles
.map((e) => e.metadata.size)
.reduce((value, element) => value + element);
return '${size / 1024 ~/ 1024} MB';
}
/// will return the codec and bitrate of the book
String? getCodecAndBitrate() {
final book = (item.media as shelfsdk.Book?);
if (book == null) {
return null;
}
final codec = book.audioFiles.first.codec.toUpperCase();
final bitrate = book.audioFiles.first.bitRate;
return codec;
}
}
/// key-value pair to display as column
class _MetadataItem extends StatelessWidget {
const _MetadataItem({
super.key,
required this.title,
required this.value,
});
final String title;
final String value;
@override
Widget build(BuildContext context) {
final themeData = Theme.of(context);
return Column(
mainAxisSize: MainAxisSize.min,
mainAxisAlignment: MainAxisAlignment.start,
children: [
Text(
style: themeData.textTheme.titleMedium?.copyWith(
color: themeData.colorScheme.onBackground.withOpacity(0.90),
),
value,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
Text(
style: themeData.textTheme.bodySmall?.copyWith(
color: themeData.colorScheme.onBackground.withOpacity(0.7),
),
title,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
],
);
}
}
class LibraryItemActions extends StatelessWidget {
const LibraryItemActions({
super.key,
});
@override
Widget build(BuildContext context) {
return SliverToBoxAdapter(
child: Container(
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
// play/resume button the same widht as image
LayoutBuilder(
builder: (context, constraints) {
return SizedBox(
width: calculateWidth(context, constraints),
// a boxy button with icon and text but little rounded corner
child: ElevatedButton.icon(
onPressed: () {},
icon: const Icon(Icons.play_arrow_rounded),
label: const Text('Play/Resume'),
style: ElevatedButton.styleFrom(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(4),
),
),
),
);
},
),
Expanded(
child: LayoutBuilder(
builder: (context, constraints) {
return SizedBox(
width: constraints.maxWidth * 0.6,
child: Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
// read list button
IconButton(
onPressed: () {},
icon: const Icon(
Icons.playlist_add_rounded,
),
),
// share button
IconButton(
onPressed: () {},
icon: const Icon(Icons.share_rounded),
),
// download button
IconButton(
onPressed: () {},
icon: const Icon(
Icons.download_rounded,
),
),
// more button
IconButton(
onPressed: () {},
icon: const Icon(
Icons.more_vert_rounded,
),
),
],
),
);
},
),
),
],
),
),
);
}
}
class LibraryItemHeroSection extends HookConsumerWidget {
const LibraryItemHeroSection({
super.key,
required this.itemId,
required this.extraMap,
required this.providedCacheImage,
required this.item,
required this.itemBookMetadata,
required this.bookDetailsCached,
required this.coverColorScheme,
});
final String itemId;
final LibraryItemExtras? extraMap;
final Image? providedCacheImage;
final AsyncValue<shelfsdk.LibraryItem> item;
final shelfsdk.BookMetadata? itemBookMetadata;
final shelfsdk.BookMinified? bookDetailsCached;
final AsyncValue<ColorScheme?> coverColorScheme;
@override
Widget build(BuildContext context, WidgetRef ref) {
return SliverToBoxAdapter(
child: LayoutBuilder(
builder: (context, constraints) {
return Container(
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisAlignment: MainAxisAlignment.start,
children: [
// book cover
LayoutBuilder(
builder: (context, constraints) {
return SizedBox(
width: calculateWidth(context, constraints),
child: Hero(
tag: HeroTagPrefixes.bookCover +
itemId +
(extraMap?.heroTagSuffix ?? ''),
child: ClipRRect(
borderRadius: BorderRadius.circular(16),
child: _BookCover(
itemId: itemId,
extraMap: extraMap,
providedCacheImage: providedCacheImage,
coverColorScheme: coverColorScheme.valueOrNull,
item: item,
),
),
),
);
},
),
// book details
Expanded(
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 8),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisAlignment: MainAxisAlignment.start,
children: [
_BookTitle(
extraMap: extraMap,
itemBookMetadata: itemBookMetadata,
bookDetailsCached: bookDetailsCached,
),
Container(
margin: const EdgeInsets.symmetric(vertical: 16),
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
// authors info if available
_BookAuthors(
itemBookMetadata: itemBookMetadata,
bookDetailsCached: bookDetailsCached,
),
// narrators info if available
_BookNarrators(
itemBookMetadata: itemBookMetadata,
bookDetailsCached: bookDetailsCached,
),
// series info if available
_BookSeries(
itemBookMetadata: itemBookMetadata,
bookDetailsCached: bookDetailsCached,
),
],
),
),
],
),
),
),
],
),
);
},
),
);
}
}
class _HeroSectionSubLabelWithIcon extends HookConsumerWidget {
const _HeroSectionSubLabelWithIcon({
super.key,
required this.icon,
required this.text,
});
final IconData icon;
final Widget text;
@override
Widget build(BuildContext context, WidgetRef ref) {
final themeData = Theme.of(context);
final useFontAwesome =
icon.runtimeType == FontAwesomeIcons.book.runtimeType;
final useMaterialThemeOnItemPage =
ref.watch(appSettingsProvider).useMaterialThemeOnItemPage;
final color = useMaterialThemeOnItemPage
? themeData.colorScheme.primary
: themeData.colorScheme.onBackground.withOpacity(0.75);
return Padding(
padding: const EdgeInsets.only(bottom: 8.0),
child: Row(
children: [
Container(
margin: const EdgeInsets.only(right: 8, top: 2),
child: useFontAwesome
? FaIcon(
icon,
size: 16,
color: color,
)
: Icon(
icon,
size: 16,
color: color,
),
),
Expanded(
child: text,
),
],
),
);
}
}
class _BookSeries extends StatelessWidget {
const _BookSeries({
super.key,
required this.itemBookMetadata,
required this.bookDetailsCached,
});
final shelfsdk.BookMetadata? itemBookMetadata;
final shelfsdk.BookMinified? bookDetailsCached;
@override
Widget build(BuildContext context) {
final themeData = Theme.of(context);
String generateSeriesString() {
final series = (itemBookMetadata)?.series ?? <shelfsdk.SeriesSequence>[];
if (series.isEmpty) {
return (bookDetailsCached?.metadata as shelfsdk.BookMetadataMinified?)
?.seriesName ??
'';
}
return series
.map((e) {
try {
e as shelfsdk.SeriesSequence;
final seq = e.sequence != null ? '#${e.sequence} of ' : '';
return '$seq${e.name}';
} catch (e) {
return '';
}
})
.toList()
.join(', ');
}
return generateSeriesString() == ''
? const SizedBox.shrink()
: _HeroSectionSubLabelWithIcon(
icon: Icons.library_books_rounded,
text: Text(
style: themeData.textTheme.titleSmall,
generateSeriesString(),
),
);
}
}
class _BookNarrators extends StatelessWidget {
const _BookNarrators({
super.key,
required this.itemBookMetadata,
required this.bookDetailsCached,
});
final shelfsdk.BookMetadata? itemBookMetadata;
final shelfsdk.BookMinified? bookDetailsCached;
@override
Widget build(BuildContext context) {
String generateNarratorsString() {
final narrators = (itemBookMetadata)?.narrators ?? [];
if (narrators.isEmpty) {
return (bookDetailsCached?.metadata as shelfsdk.BookMetadataMinified?)
?.narratorName ??
'';
}
return narrators.join(', ');
}
final themeData = Theme.of(context);
return generateNarratorsString() == ''
? const SizedBox.shrink()
: _HeroSectionSubLabelWithIcon(
icon: Icons.record_voice_over,
text: Text(
style: themeData.textTheme.titleSmall,
generateNarratorsString(),
),
);
}
}
class _BookCover extends HookConsumerWidget {
const _BookCover({
super.key,
required this.itemId,
required this.extraMap,
required this.providedCacheImage,
required this.item,
this.coverColorScheme,
});
final String itemId;
final LibraryItemExtras? extraMap;
final Image? providedCacheImage;
final AsyncValue<shelfsdk.LibraryItem> item;
final ColorScheme? coverColorScheme;
@override
Widget build(BuildContext context, WidgetRef ref) {
final themeData = Theme.of(context);
final useMaterialThemeOnItemPage =
ref.watch(appSettingsProvider).useMaterialThemeOnItemPage;
return ThemeSwitcher(
builder: (context) {
// change theme after 2 seconds
if (useMaterialThemeOnItemPage) {
Future.delayed(150.ms, () {
ThemeSwitcher.of(context).changeTheme(
theme: coverColorScheme != null
? ThemeData.from(
colorScheme: coverColorScheme!,
textTheme: themeData.textTheme,
)
: themeData,
);
});
}
return providedCacheImage ??
item.when(
data: (libraryItem) {
final coverImage = ref.watch(coverImageProvider(libraryItem));
return Stack(
children: [
coverImage.when(
data: (image) {
// return const BookCoverSkeleton();
if (image.isEmpty) {
return const Icon(Icons.error);
}
// cover 80% of parent height
return Image.memory(
image,
fit: BoxFit.cover,
// cacheWidth: (height *
// MediaQuery.of(context).devicePixelRatio)
// .round(),
);
},
loading: () {
return const Center(
child: BookCoverSkeleton(),
);
},
error: (error, stack) {
return const Icon(Icons.error);
},
),
],
);
},
error: (error, stack) => const Icon(Icons.error),
loading: () => const Center(child: BookCoverSkeleton()),
);
},
);
}
}
class _BookTitle extends StatelessWidget {
const _BookTitle({
super.key,
required this.extraMap,
required this.itemBookMetadata,
required this.bookDetailsCached,
});
final LibraryItemExtras? extraMap;
final shelfsdk.BookMetadata? itemBookMetadata;
final shelfsdk.BookMinified? bookDetailsCached;
@override
Widget build(BuildContext context) {
final themeData = Theme.of(context);
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Hero(
tag: HeroTagPrefixes.bookTitle +
// itemId +
(extraMap?.heroTagSuffix ?? ''),
child: Text(
// mode: AutoScrollTextMode.bouncing,
// curve: Curves.fastEaseInToSlowEaseOut,
// velocity: const Velocity(pixelsPerSecond: Offset(30, 0)),
// delayBefore: 500.ms,
// pauseBetween: 150.ms,
// numberOfReps: 3,
style: themeData.textTheme.headlineLarge,
itemBookMetadata?.title ?? bookDetailsCached?.metadata.title ?? '',
),
),
// subtitle if available
itemBookMetadata?.subtitle == null
? const SizedBox.shrink()
: Text(
style: themeData.textTheme.titleSmall?.copyWith(
color: themeData
.colorScheme
.onBackground
.withOpacity(0.8),
),
itemBookMetadata?.subtitle ?? '',
),
],
);
}
}
class _BookAuthors extends StatelessWidget {
const _BookAuthors({
super.key,
required this.itemBookMetadata,
required this.bookDetailsCached,
});
final shelfsdk.BookMetadata? itemBookMetadata;
final shelfsdk.BookMinified? bookDetailsCached;
@override
Widget build(BuildContext context) {
final themeData = Theme.of(context);
String generateAuthorsString() {
final authors = (itemBookMetadata)?.authors ?? [];
if (authors.isEmpty) {
return (bookDetailsCached?.metadata as shelfsdk.BookMetadataMinified?)
?.authorName ??
'';
}
return authors.map((e) => e.name).join(', ');
}
return generateAuthorsString() == ''
? const SizedBox.shrink()
: _HeroSectionSubLabelWithIcon(
icon: FontAwesomeIcons.penNib,
text: Text(
style: themeData.textTheme.titleSmall,
generateAuthorsString(),
),
);
}
}
/// Calculate the width of the book cover based on the screen size
double calculateWidth(
BuildContext context,
BoxConstraints constraints, {
/// width ratio of the cover image to the available width
double widthRatio = 0.4,
/// height ratio of the cover image to the available height
double maxHeightToUse = 0.25,
}) {
final availHeight =
min(constraints.maxHeight, MediaQuery.of(context).size.height);
final availWidth =
min(constraints.maxWidth, MediaQuery.of(context).size.width);
// make the width widthRatio of the available width
var width = availWidth * widthRatio;
// but never exceed more than heightRatio of height
if (width > availHeight * maxHeightToUse) {
width = availHeight * maxHeightToUse;
}
return width;
}