* VRFS-2408 - remove dup tracks from interfrace

db/manifest

@@ -224,3 +224,4 @@ emails_from_update2.sql
 add_youtube_flag_to_claimed_recordings.sql
 add_session_create_type.sql
 user_syncs_and_quick_mix.sql
+user_syncs_fix_dup_tracks_2408.sql

db/up/user_syncs_fix_dup_tracks_2408.sql

@@ -0,0 +1,32 @@
+DROP VIEW user_syncs;
+
+CREATE VIEW user_syncs AS
+    SELECT  DISTINCT b.id AS recorded_track_id,
+            CAST(NULL as BIGINT) AS mix_id,
+            CAST(NULL as BIGINT) as quick_mix_id,
+            b.id AS unified_id,
+            a.user_id AS user_id,
+            b.fully_uploaded,
+            recordings.created_at AS created_at,
+            recordings.id AS recording_id
+    FROM recorded_tracks a INNER JOIN recordings ON a.recording_id = recordings.id AND duration IS NOT NULL AND all_discarded = FALSE INNER JOIN recorded_tracks b ON a.recording_id = b.recording_id
+    UNION ALL
+    SELECT  CAST(NULL as BIGINT) AS recorded_track_id,
+            mixes.id AS mix_id,
+            CAST(NULL as BIGINT) AS quick_mix_id,
+            mixes.id AS unified_id,
+            claimed_recordings.user_id AS user_id,
+            NULL as fully_uploaded,
+            recordings.created_at AS created_at,
+            recordings.id AS recording_id
+    FROM mixes INNER JOIN recordings ON mixes.recording_id = recordings.id INNER JOIN claimed_recordings ON recordings.id = claimed_recordings.recording_id WHERE claimed_recordings.discarded = FALSE
+    UNION ALL
+    SELECT  CAST(NULL as BIGINT) AS recorded_track_id,
+            CAST(NULL as BIGINT) AS mix_id,
+            quick_mixes.id AS quick_mix_id,
+            quick_mixes.id AS unified_id,
+            quick_mixes.user_id,
+            quick_mixes.fully_uploaded,
+            recordings.created_at AS created_at,
+            recordings.id AS recording_id
+    FROM quick_mixes INNER JOIN recordings ON quick_mixes.recording_id = recordings.id AND duration IS NOT NULL AND all_discarded = FALSE;

ruby/spec/jam_ruby/models/user_sync_spec.rb

@@ -167,6 +167,54 @@ describe UserSync do
         user_syncs.length.should == 0
       end
     end
+
+    describe "one recording with multi-track users" do
+      let!(:recording1) {
+        recording = FactoryGirl.create(:recording, owner: user1, band: nil, duration:1)
+        recording.recorded_tracks << FactoryGirl.create(:recorded_track, recording: recording, user: recording.owner)
+        recording.recorded_tracks << FactoryGirl.create(:recorded_track, recording: recording, user: recording.owner)
+        recording.recorded_tracks << FactoryGirl.create(:recorded_track, recording: recording, user: user2)
+        recording.recorded_tracks << FactoryGirl.create(:recorded_track, recording: recording, user: user2)
+        recording.save!
+        recording.reload
+        recording
+      }
+
+      let(:sorted_tracks) {
+        Array.new(recording1.recorded_tracks).sort! {|a, b|
+          if a.created_at == b.created_at
+            a.id <=> b.id
+          else
+            a.created_at <=> b.created_at
+          end
+        }
+      }
+
+
+      it "one user decides to keep the recording" do
+        claimed_recording = FactoryGirl.create(:claimed_recording, user: user1, recording: recording1, discarded:false)
+        claimed_recording.recording.should == recording1
+
+        data = UserSync.index({user_id: user1.id})
+        data[:next].should be_nil
+        user_syncs = data[:query]
+        user_syncs.length.should == 4
+        user_syncs[0].recorded_track.should == sorted_tracks[0]
+        user_syncs[1].recorded_track.should == sorted_tracks[1]
+        user_syncs[2].recorded_track.should == sorted_tracks[2]
+        user_syncs[3].recorded_track.should == sorted_tracks[3]
+
+        data = UserSync.index({user_id: user2.id})
+        data[:next].should be_nil
+        user_syncs = data[:query]
+        user_syncs.length.should == 4
+        user_syncs[0].recorded_track.should == sorted_tracks[0]
+        user_syncs[1].recorded_track.should == sorted_tracks[1]
+        user_syncs[2].recorded_track.should == sorted_tracks[2]
+        user_syncs[3].recorded_track.should == sorted_tracks[3]
+      end
+    end
+
   end
 
   describe "pagination" do