Initial WIP for practice 6

11 files changed, 410 insertions, 0 deletions

diff --git a/lib/models/album.dart b/lib/models/album.dart
new file mode 100644
index 0000000..a7a0f91
--- /dev/null
+++ b/lib/models/album.dart
@@ -0,0 +1,37 @@
+class Album {
+  final String title;
+  final String firstReleaseDate;
+  final List<dynamic>? secondaryTypes;
+  final String primaryTypeId;
+  final String id;
+  final String primaryType;
+  final List<dynamic>? secondaryTypeIds;
+  final String disambiguation;
+
+  Uri get coverUri =>
+      Uri.parse('https://coverartarchive.org/release-group/$id/front');
+
+  const Album({
+    required this.title,
+    required this.firstReleaseDate,
+    required this.secondaryTypes,
+    required this.primaryTypeId,
+    required this.id,
+    required this.primaryType,
+    required this.secondaryTypeIds,
+    required this.disambiguation,
+  });
+
+  factory Album.fromMap(Map<String, dynamic> map) {
+    return Album(
+      title: map["title"],
+      firstReleaseDate: map["first-release-date"],
+      secondaryTypes: map["secondary-types"],
+      primaryTypeId: map["primary-type-id"],
+      id: map["id"],
+      primaryType: map["primary-type"],
+      secondaryTypeIds: map["secondary-types-id"],
+      disambiguation: map["disambiguation"],
+    );
+  }
+}
diff --git a/lib/models/artist.dart b/lib/models/artist.dart
new file mode 100644
index 0000000..70c17db
--- /dev/null
+++ b/lib/models/artist.dart
@@ -0,0 +1,28 @@
+class Artist {
+  final String type;
+  final String name;
+  final String typeId;
+  final String sortName;
+  final String disambiguation;
+  final String id;
+
+  const Artist({
+    required this.type,
+    required this.name,
+    required this.typeId,
+    required this.sortName,
+    required this.disambiguation,
+    required this.id,
+  });
+
+  factory Artist.fromMap(Map<String, dynamic> map) {
+    return Artist(
+      type: map["type"],
+      name: map["name"],
+      typeId: map["type-id"],
+      sortName: map["sort-name"],
+      disambiguation: map["disambiguation"],
+      id: map["id"],
+    );
+  }
+}
diff --git a/lib/network/music_api.dart b/lib/network/music_api.dart
new file mode 100644
index 0000000..490c51d
--- /dev/null
+++ b/lib/network/music_api.dart
@@ -0,0 +1,32 @@
+import 'dart:convert';
+
+import 'package:http/http.dart' as http;
+import 'package:pmsna1/models/album.dart';
+import 'package:pmsna1/models/artist.dart';
+
+class MusicApi {
+  Uri artistUri(String artistId) => Uri.parse(
+      'https://musicbrainz.org/ws/2/artist/$artistId?inc=release-groups&fmt=json');
+
+  Uri releaseGroupUri(String releaseGroupId) => Uri.parse(
+      'https://musicbrainz.org/ws/2/release-group/$releaseGroupId?inc=artists&fmt=json');
+
+  Future<List<Album>?> getAlvvaysAlbums() async {
+    String id = '99450990-b24e-4132-bb68-235f8c3e2564';
+    http.Response result = await http.get(artistUri(id));
+    var list = jsonDecode(result.body)['release-groups'] as List;
+    if (result.statusCode != 200) {
+      return null;
+    }
+    return list.map((map) => Album.fromMap(map)).toList();
+  }
+
+  Future<List<Artist>?> getAlbumArtists(String id) async {
+    http.Response result = await http.get(releaseGroupUri(id));
+    var list = jsonDecode(result.body)['artist-credit'] as List;
+    if (result.statusCode != 200) {
+      return null;
+    }
+    return list.map((map) => Artist.fromMap(map["artist"])).toList();
+  }
+}
diff --git a/lib/routes.dart b/lib/routes.dart
index 766273b..4259727 100644
--- a/lib/routes.dart
+++ b/lib/routes.dart
@@ -1,4 +1,6 @@
 import 'package:flutter/material.dart';
+import 'package:pmsna1/screens/album_detail_screen.dart';
+import 'package:pmsna1/screens/albums_screen.dart';
 import 'package:pmsna1/screens/dashboard_screen.dart';
 import 'package:pmsna1/screens/events_screen.dart';
 import 'package:pmsna1/screens/new_event_screen.dart';
@@ -19,5 +21,7 @@ Map<String, WidgetBuilder> getApplicationRoutes() {
     '/events': (BuildContext context) => const EventsScreen(),
     '/popular': (BuildContext context) => const PopularScreen(),
     '/newevent': (BuildContext context) => const NewEventScreen(),
+    '/albums': (BuildContext context) => const AlbumsScreen(),
+    '/album': (BuildContext context) => const AlbumDetailScreen(),
   };
 }
diff --git a/lib/screens/album_detail_screen.dart b/lib/screens/album_detail_screen.dart
new file mode 100644
index 0000000..478c0b6
--- /dev/null
+++ b/lib/screens/album_detail_screen.dart
@@ -0,0 +1,130 @@
+import 'package:flutter/material.dart';
+import 'package:pmsna1/models/album.dart';
+import 'package:pmsna1/models/artist.dart';
+import 'package:pmsna1/network/music_api.dart';
+import 'package:pmsna1/widgets/album_placeholder.dart';
+import 'package:pmsna1/widgets/responsive.dart';
+
+class AlbumDetailScreen extends StatefulWidget {
+  const AlbumDetailScreen({super.key});
+
+  @override
+  State<AlbumDetailScreen> createState() => _AlbumDetailScreenState();
+}
+
+class _AlbumDetailScreenState extends State<AlbumDetailScreen> {
+  MusicApi? api;
+  Album? album;
+
+  @override
+  void initState() {
+    super.initState();
+    api = MusicApi();
+  }
+
+  Widget getArtistCard(Artist artist, BuildContext context) => Card(
+        margin: const EdgeInsets.fromLTRB(0.0, 0.0, 0.0, 2.0),
+        child: Padding(
+          padding: const EdgeInsets.all(16.0),
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Text(
+                artist.name,
+                style: Theme.of(context)
+                    .typography
+                    .englishLike
+                    .bodyLarge
+                    ?.copyWith(color: Theme.of(context).colorScheme.onSurface),
+              ),
+              const SizedBox(height: 4.0),
+              Text(artist.disambiguation),
+            ],
+          ),
+        ),
+      );
+
+  // Widget getLeft() => Image.network(album!.coverUri.toString());
+  Widget getLeft() => const SizedBox.shrink();
+
+  Widget getRight() => Column(
+        children: [
+          ListTile(
+            title: const Text('Fecha de lanzamiento'),
+            subtitle: Text(album!.firstReleaseDate),
+          ),
+          ListTile(
+            title: const Text('Tipo'),
+            subtitle: Text(album!.primaryType),
+          ),
+          ListTile(
+            title: const Text('Artistas'),
+            subtitle: FutureBuilder(
+              future: api!.getAlbumArtists(album!.id),
+              initialData: const [],
+              builder: (context, snapshot) => snapshot.hasData
+                  ? ListView.builder(
+                      shrinkWrap: true,
+                      physics: const NeverScrollableScrollPhysics(),
+                      itemCount: snapshot.data?.length,
+                      itemBuilder: (context, index) {
+                        Artist artist = snapshot.data![index];
+                        return getArtistCard(artist, context);
+                      })
+                  : snapshot.hasError
+                      ? const Text('Ocurrió un error')
+                      : const CircularProgressIndicator(),
+            ),
+          )
+        ],
+      );
+
+  @override
+  Widget build(BuildContext context) {
+    album = ModalRoute.of(context)?.settings.arguments as Album?;
+    if (album == null) return const Placeholder();
+
+    Image cover = Image.network(
+      album!.coverUri.toString(),
+      fit: BoxFit.cover,
+      alignment: Alignment.center,
+      errorBuilder: (context, error, stackTrace) => const AlbumPlaceholder(400),
+      loadingBuilder: (context, child, loadingProgress) =>
+          loadingProgress == null ? child : const AlbumPlaceholder(400),
+    );
+
+    return Scaffold(
+      body: NestedScrollView(
+        headerSliverBuilder: (BuildContext context, bool innerBoxIsScrolled) =>
+            <Widget>[
+          SliverAppBar(
+            expandedHeight: 400.0,
+            pinned: true,
+            flexibleSpace: FlexibleSpaceBar(
+              title: Text(album!.title,
+                  style: TextStyle(
+                    backgroundColor:
+                        Theme.of(context).colorScheme.primaryContainer,
+                    color: Theme.of(context).colorScheme.onPrimaryContainer,
+                  )),
+              background: cover,
+            ),
+          )
+        ],
+        body: SingleChildScrollView(
+          child: Responsive(
+            mobile: Column(children: [getLeft(), getRight()]),
+            tablet: Row(children: [
+              Expanded(child: getLeft()),
+              Expanded(child: getRight()),
+            ]),
+            desktop: Row(children: [
+              Expanded(child: getLeft()),
+              Expanded(child: getRight()),
+            ]),
+          ),
+        ),
+      ),
+    );
+  }
+}
diff --git a/lib/screens/albums_screen.dart b/lib/screens/albums_screen.dart
new file mode 100644
index 0000000..d376e35
--- /dev/null
+++ b/lib/screens/albums_screen.dart
@@ -0,0 +1,70 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';
+import 'package:pmsna1/models/album.dart';
+import 'package:pmsna1/network/music_api.dart';
+import 'package:pmsna1/widgets/album_item.dart';
+import 'package:pmsna1/widgets/responsive.dart';
+
+import '../widgets/loading_modal_widget.dart';
+
+class AlbumsScreen extends StatefulWidget {
+  const AlbumsScreen({super.key});
+
+  @override
+  State<AlbumsScreen> createState() => _AlbumsScreenState();
+}
+
+class _AlbumsScreenState extends State<AlbumsScreen> {
+  MusicApi? musicApi;
+
+  @override
+  void initState() {
+    super.initState();
+    musicApi = MusicApi();
+  }
+
+  Widget getGridForCount(
+    int count,
+    int itemCount,
+    Widget Function(BuildContext, int) itemBuilder,
+  ) {
+    return MasonryGridView.builder(
+      gridDelegate: SliverSimpleGridDelegateWithFixedCrossAxisCount(
+        crossAxisCount: count,
+      ),
+      itemCount: itemCount,
+      itemBuilder: itemBuilder,
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text('Música (Alvvays)')),
+      body: FutureBuilder(
+        future: musicApi!.getAlvvaysAlbums(),
+        builder: (context, AsyncSnapshot<List<Album>?> snapshot) {
+          int itemCount = snapshot.data != null ? snapshot.data!.length : 0;
+          itemBuilder(BuildContext context, int index) {
+            return AlbumItem(snapshot.data![index]);
+          }
+
+          if (snapshot.hasData) {
+            return Responsive(
+              mobile: getGridForCount(2, itemCount, itemBuilder),
+              tablet: getGridForCount(3, itemCount, itemBuilder),
+              desktop: getGridForCount(4, itemCount, itemBuilder),
+            );
+          } else if (snapshot.hasError) {
+            print(snapshot.error);
+            return const Center(
+              child: Text('Ocurrió un error'),
+            );
+          } else {
+            return const LoadingModal();
+          }
+        },
+      ),
+    );
+  }
+}
diff --git a/lib/screens/dashboard_screen.dart b/lib/screens/dashboard_screen.dart
index 03b84e7..914749c 100644
--- a/lib/screens/dashboard_screen.dart
+++ b/lib/screens/dashboard_screen.dart
@@ -52,6 +52,13 @@ class DashboardScreen extends StatelessWidget {
               },
             ),
             ListTile(
+              title: const Text('Música'),
+              leading: const Icon(Icons.music_note),
+              onTap: () {
+                Navigator.of(context).pushNamed('/albums');
+              },
+            ),
+            ListTile(
               title: const Text('Tema'),
               trailing: SegmentedButton<ThemeData?>(
                 segments: [
diff --git a/lib/widgets/album_item.dart b/lib/widgets/album_item.dart
new file mode 100644
index 0000000..8794c24
--- /dev/null
+++ b/lib/widgets/album_item.dart
@@ -0,0 +1,72 @@
+import 'package:flutter/material.dart';
+import 'package:pmsna1/models/album.dart';
+import 'package:pmsna1/widgets/album_placeholder.dart';
+
+class AlbumItem extends StatelessWidget {
+  final Album album;
+
+  const AlbumItem(this.album, {super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    Color textColor = Theme.of(context).colorScheme.onSurface;
+    return Card(
+      margin: const EdgeInsets.all(5.0),
+      semanticContainer: true,
+      clipBehavior: Clip.antiAliasWithSaveLayer,
+      child: InkWell(
+        onTap: () {
+          Navigator.of(context).pushNamed('/album', arguments: album);
+        },
+        child: Column(
+          children: [
+            FadeInImage(
+              placeholder: const AssetImage('assets/loading.gif'),
+              imageErrorBuilder: (context, error, stackTrace) =>
+                  const AspectRatio(
+                aspectRatio: 1.0,
+                child: AlbumPlaceholder(400),
+              ),
+              image: NetworkImage(album.coverUri.toString()),
+              fit: BoxFit.fill,
+            ),
+            Padding(
+              padding: const EdgeInsets.all(8.0),
+              child: Column(
+                children: [
+                  Text(
+                    album.title,
+                    style: Theme.of(context)
+                        .typography
+                        .englishLike
+                        .labelLarge
+                        ?.copyWith(color: textColor),
+                    textAlign: TextAlign.center,
+                  ),
+                  const SizedBox(height: 4.0),
+                  Text(
+                    album.firstReleaseDate,
+                    style: Theme.of(context)
+                        .typography
+                        .englishLike
+                        .labelMedium
+                        ?.copyWith(color: textColor),
+                  ),
+                  const SizedBox(height: 4.0),
+                  Text(
+                    "(${album.primaryType})",
+                    style: Theme.of(context)
+                        .typography
+                        .englishLike
+                        .labelSmall
+                        ?.copyWith(color: textColor),
+                  ),
+                ],
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/lib/widgets/album_placeholder.dart b/lib/widgets/album_placeholder.dart
new file mode 100644
index 0000000..420c2e9
--- /dev/null
+++ b/lib/widgets/album_placeholder.dart
@@ -0,0 +1,21 @@
+import 'package:flutter/material.dart';
+
+class AlbumPlaceholder extends StatelessWidget {
+  final double size;
+
+  const AlbumPlaceholder(this.size, {super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      height: size,
+      width: size,
+      color: Theme.of(context).colorScheme.secondaryContainer,
+      child: Icon(
+        Icons.album,
+        size: 60.0,
+        color: Theme.of(context).colorScheme.onSecondaryContainer,
+      ),
+    );
+  }
+}
diff --git a/pubspec.lock b/pubspec.lock
index f6a708d..2f6c37c 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -206,6 +206,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.8"
+  flutter_staggered_grid_view:
+    dependency: "direct main"
+    description:
+      name: flutter_staggered_grid_view
+      sha256: "1312314293acceb65b92754298754801b0e1f26a1845833b740b30415bbbcf07"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.2"
   flutter_svg:
     dependency: "direct main"
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 5cfe56b..a189e04 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -24,6 +24,7 @@ dependencies:
   firebase_core: ^2.8.0
   firebase_auth: ^4.3.0
   table_calendar: <=3.0.9
+  flutter_staggered_grid_view: ^0.6.2
 
 dev_dependencies:
   flutter_test: