VRFS-1952 : Schema changes for proper type and incremental code changes. WIP.

db/up/jam_track_updates.sql

@@ -8,10 +8,11 @@ ALTER TABLE jam_track_rights
   DROP CONSTRAINT jam_track_rights_jam_track_id_fkey;
 
 -- Change Jam Tracks ID type to BIGINT so it can work like the other downloadable items:
+CREATE SEQUENCE jam_tracks_next_seq;
 ALTER TABLE jam_tracks 
   ALTER COLUMN id DROP DEFAULT,
-  ALTER COLUMN id TYPE BIGINT USING nextval('tracks_next_tracker_seq'),
-  ALTER COLUMN id SET DEFAULT nextval('tracks_next_tracker_seq');
+  ALTER COLUMN id TYPE BIGINT USING nextval('jam_tracks_next_seq'),
+  ALTER COLUMN id SET DEFAULT nextval('jam_tracks_next_seq');
 
 -- Change referencing ID type and re-add constraints:
 ALTER TABLE jam_track_tracks
@@ -22,7 +23,13 @@ ALTER TABLE jam_track_tracks
 -- Change referencing ID type and re-add constraints.  Also
 -- add S3 URL for user-specific downloads:
 ALTER TABLE jam_track_rights 
-  ADD COLUMN s3_url VARCHAR(2048),
+  ALTER COLUMN id DROP DEFAULT,
+  ALTER COLUMN id TYPE BIGINT USING nextval('tracks_next_tracker_seq'),
+  ALTER COLUMN id SET DEFAULT nextval('tracks_next_tracker_seq'),
+  ADD COLUMN url VARCHAR(2048),
+  ADD COLUMN md5 VARCHAR,
+  ADD COLUMN length INTEGER NOT NULL DEFAULT 0,
+  ADD COLUMN download_count INTEGER NOT NULL DEFAULT 0,
   ALTER COLUMN jam_track_id TYPE BIGINT USING 0,
   ALTER COLUMN jam_track_id SET NOT NULL,
   ADD CONSTRAINT jam_track_rights_user_id_fkey FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE,

ruby/lib/jam_ruby/models/jam_track.rb

@@ -96,6 +96,19 @@ module JamRuby
       end
     end
 
+    def self.list_downloads(user, limit = 100, since = 0)
+      since = 0 unless since || since == '' # guard against nil
+      downloads = []
+
+      user.jam_track_rights.limit(limit).collect do |jt_right|
+        downloads << jt_right
+      end
+      
+      #JamTrack.joins(:recording).joins(:recording => :claimed_recordings)
+    end
+
+    
+
     private
 
     def sanitize_active_admin

ruby/lib/jam_ruby/models/jam_track_right.rb

@@ -8,7 +8,15 @@ module JamRuby
 
     validates :user, presence:true
     validates :jam_track, presence:true
+    validate :verify_download_count
 
     validates_uniqueness_of     :user_id, scope: :jam_track_id
+    MAX_JAM_TRACK_DOWNLOADS = 1000
+    
+    def verify_download_count
+      if (self.download_count < 0 || self.download_count > MAX_JAM_TRACK_DOWNLOADS) && !@current_user.admin
+        errors.add(:download_count, "must be less than or equal to #{MAX_JAM_TRACK_DOWNLOADS}")
+      end
+    end
   end
 end