Merge pull request 'POSTS_FRIENDS_EKA-LDE' (#33) from POSTS_FRIENDS_EKA-LDE into master

Reviewed-on: #33

Sources/justMUSIC/lib/services/PostService.dart

@@ -46,7 +46,7 @@ class PostService {
       {int limit = 10, int offset = 0}) async {
     DateTime twentyFourHoursAgo = DateTime.now().subtract(Duration(hours: 24));
     Timestamp twentyFourHoursAgoTimestamp =
-    Timestamp.fromDate(twentyFourHoursAgo);
+        Timestamp.fromDate(twentyFourHoursAgo);
 
     QuerySnapshot<Map<String, dynamic>> response = await FirebaseFirestore
         .instance
@@ -62,22 +62,22 @@ class PostService {
     return filteredPosts;
   }
 
+  Timestamp _getTwentyFourHoursAgoTimestamp() {
+    DateTime twentyFourHoursAgo = DateTime.now().subtract(Duration(hours: 24));
+    return Timestamp.fromDate(twentyFourHoursAgo);
+  }
+
   Future<List<QueryDocumentSnapshot<Map<String, dynamic>>>> getPostsFriends(
       {int limit = 10, int offset = 0}) async {
-    var response = await FirebaseFirestore
-        .instance
+    var timestamp = _getTwentyFourHoursAgoTimestamp();
+    var response = await FirebaseFirestore.instance
         .collection("posts")
         .where("user_id", whereIn: MyApp.userViewModel.userCurrent.followed)
+        .where("date", isGreaterThan: timestamp)
+        .orderBy("date")
         .limit(limit)
         .get();
 
-    response.docs.sort((a, b) {
-      DateTime aDate = a.data()['date'].toDate();
-      DateTime bDate = b.data()['date'].toDate();
-
-      return bDate.compareTo(aDate);
-    });
-
     return response.docs;
   }
 

Sources/justMUSIC/lib/view_model/PostViewModel.dart

@@ -36,11 +36,12 @@ class PostViewModel {
         ids.add(value.data()["song_id"]);
         return PostMapper.toModel(value);
       }).toList();
-      _postsFriends = await Future.wait(postsFutures);
+      var posts = await Future.wait(postsFutures);
       List<Music> musics = await MyApp.musicViewModel.getMusicsWithIds(ids);
-      for (int i = 0; i < _postsFriends.length; i++) {
-        _postsFriends[i].music = musics[i];
+      for (int i = 0; i < posts.length; i++) {
+        posts[i].music = musics[i];
       }
+      _postsFriends = posts;
       return _postsFriends;
     } catch (e) {
       print(e);
@@ -61,11 +62,12 @@ class PostViewModel {
         ids.add(value.data()["song_id"]);
         return PostMapper.toModel(value);
       }).toList();
-      _bestPosts = await Future.wait(postsFutures);
+      var posts = await Future.wait(postsFutures);
       List<Music> musics = await MyApp.musicViewModel.getMusicsWithIds(ids);
-      for (int i = 0; i < _bestPosts.length; i++) {
-        _bestPosts[i].music = musics[i];
+      for (int i = 0; i < posts.length; i++) {
+        posts[i].music = musics[i];
       }
+      _bestPosts = posts;
       return _bestPosts;
     } catch (e) {
       print(e);