From c0ce4dcc04b9288075007744c2cf52156fa69aa0 Mon Sep 17 00:00:00 2001
From: emkartal1 <emre.kartal@etu.uca.fr>
Date: Sat, 29 Jul 2023 20:32:02 +0200
Subject: [PATCH] add new functions

---
 .../lib/view_model/MusicViewModel.dart        | 75 +++++++++++++++----
 Sources/justMUSIC/test/Music_test.dart        | 22 ++++++
 2 files changed, 83 insertions(+), 14 deletions(-)

diff --git a/Sources/justMUSIC/lib/view_model/MusicViewModel.dart b/Sources/justMUSIC/lib/view_model/MusicViewModel.dart
index 668526a..e50285e 100644
--- a/Sources/justMUSIC/lib/view_model/MusicViewModel.dart
+++ b/Sources/justMUSIC/lib/view_model/MusicViewModel.dart
@@ -42,21 +42,22 @@ class MusicViewModel {
     }
   }
 
-  List<Music> _getMusicsFromResponse(Map<String, dynamic> responseData) {
+  List<Music> _getMusicsFromResponse(List<dynamic> tracks) {
     List<Music> musics = [];
 
-    List<dynamic> tracks = responseData['tracks']['items'];
     for (var track in tracks) {
       List<Artist> artists = List<Artist>.from(track['artists'].map((artist) {
         return Artist(artist['id'], artist['name'], '');
       }));
 
+      DateTime releaseDate = DateTime.parse(track['album']['release_date']);
+
       musics.add(Music(
           track['id'],
           track['name'],
           track['album']['images'][0]['url'],
           track['preview_url'],
-          DateTime.now(),
+          releaseDate,
           track['duration_ms'] / 1000,
           track['explicit'],
           artists));
@@ -77,7 +78,7 @@ class MusicViewModel {
 
     if (response.statusCode == 200) {
       Map<String, dynamic> responseData = jsonDecode(response.body);
-      return _getMusicsFromResponse(responseData);
+      return _getMusicsFromResponse(responseData['tracks']['items']);
     } else {
       throw Exception(
           'Error while retrieving music : ${response.statusCode} ${response.reasonPhrase}');
@@ -96,7 +97,7 @@ class MusicViewModel {
 
     if (response.statusCode == 200) {
       Map<String, dynamic> responseData = jsonDecode(response.body);
-      return _getMusicsFromResponse(responseData);
+      return _getMusicsFromResponse(responseData['tracks']['items']);
     } else {
       throw Exception(
           'Error while retrieving music : ${response.statusCode} ${response.reasonPhrase}');
@@ -175,22 +176,42 @@ class MusicViewModel {
 
     if (response.statusCode == 200) {
       Map<String, dynamic> responseData = jsonDecode(response.body);
+      return _getMusicsFromResponse(responseData['tracks']);
+    } else {
+      throw Exception(
+          'Error while retrieving music : ${response.statusCode} ${response.reasonPhrase}');
+    }
+  }
+
+  Future<List<Music>> getMusicsWithPlaylistId(String id,
+      {String market = "FR"}) async {
+    var accessToken = await _token.getAccessToken();
+    var response = await http
+        .get(Uri.parse('$API_URL/playlists/$id?market=$market'), headers: {
+      'Authorization': 'Bearer $accessToken',
+    });
+
+    if (response.statusCode == 200) {
+      Map<String, dynamic> responseData = jsonDecode(response.body);
+
       List<Music> musics = [];
 
-      List<dynamic> tracks = responseData['tracks'];
+      List<dynamic> tracks = responseData['tracks']['items'];
       for (var track in tracks) {
-        List<Artist> artists = List<Artist>.from(track['artists'].map((artist) {
+        List<Artist> artists = List<Artist>.from(track['track']['artists'].map((artist) {
           return Artist(artist['id'], artist['name'], '');
         }));
 
+        DateTime releaseDate = DateTime.parse(track['track']['album']['release_date']);
+
         musics.add(Music(
-            track['id'],
-            track['name'],
-            track['album']['images'][0]['url'],
-            track['preview_url'],
-            DateTime.now(),
-            track['duration_ms'] / 1000,
-            track['explicit'],
+            track['track']['id'],
+            track['track']['name'],
+            track['track']['album']['images'][0]['url'],
+            track['track']['preview_url'],
+            releaseDate,
+            track['track']['duration_ms'] / 1000,
+            track['track']['explicit'],
             artists));
       }
 
@@ -200,4 +221,30 @@ class MusicViewModel {
           'Error while retrieving music : ${response.statusCode} ${response.reasonPhrase}');
     }
   }
+
+  Future<List<Music>> getMusicsWithIds(List<String> ids,
+      {String market = "FR"}) async {
+    var accessToken = await _token.getAccessToken();
+    String url = API_URL+'/tracks?market=$market&ids=';
+
+    if (ids.length == 0) return [];
+
+    url += ids.join('%2C');
+
+    print(url);
+
+    var response = await http
+        .get(Uri.parse(url), headers: {
+      'Authorization': 'Bearer $accessToken',
+    });
+
+    if (response.statusCode == 200) {
+      Map<String, dynamic> responseData = jsonDecode(response.body);
+      return _getMusicsFromResponse(responseData['tracks']);
+    } else {
+      throw Exception(
+          'Error while retrieving music : ${response.statusCode} ${response.reasonPhrase}');
+    }
+  }
+
 }
diff --git a/Sources/justMUSIC/test/Music_test.dart b/Sources/justMUSIC/test/Music_test.dart
index baf3aaa..f98529a 100644
--- a/Sources/justMUSIC/test/Music_test.dart
+++ b/Sources/justMUSIC/test/Music_test.dart
@@ -57,4 +57,26 @@ Future<void> main() async {
     }
   }
 
+  print('\nPlaylist Musics :');
+
+  List<Music> playlistMusics = await musicVM.getMusicsWithPlaylistId('37i9dQZF1DX1X23oiQRTB5');
+  for (Music m in playlistMusics) {
+    print("id : ${m.id.toString()}, cover : ${m.cover}, title : ${m.title}");
+    print("date : ${m.date.toString()}, preview : ${m.previewUrl}, duration : ${m.duration}, explicit : ${m.explicit}");
+    for (Artist a in m.artists) {
+      print("id : ${a.id}, name : ${a.name}");
+    }
+  }
+
+  print('\nMusics With Ids :');
+
+  List<Music> musicsIds = await musicVM.getMusicsWithIds(['6D1HiF2e3Z0F8FwQ5uLxwn','6IGg7qsBvA5xbrwz3MNHWK']);
+  for (Music m in musicsIds) {
+    print("id : ${m.id.toString()}, cover : ${m.cover}, title : ${m.title}");
+    print("date : ${m.date.toString()}, preview : ${m.previewUrl}, duration : ${m.duration}, explicit : ${m.explicit}");
+    for (Artist a in m.artists) {
+      print("id : ${a.id}, name : ${a.name}");
+    }
+  }
+
 }
-- 
2.36.3