* VRFS-2876 cleaning up preview downloadability in jam-admin

admin/app/admin/jam_tracks.rb

@@ -22,29 +22,19 @@ ActiveAdmin.register  JamRuby::JamTrack, :as => 'JamTracks' do
       links
     end
 
-
-    column :id
-    column :name
-    column :description
-    column :version
-    column :time_signature
-    column :status
-    column :recording_type
     column :original_artist
-    column :songwriter
-    column :publisher
+    column :name
+    column :status
+    column :preview do |jam_track| jam_track.has_preview? ? (link_to "Download", jam_track.sign_url(3600)) : 'None' end
+    column :master_track do |jam_track| jam_track.master_track.nil? ? 'None' : (link_to "Download", jam_track.master_track.url_by_sample_rate(44)) end
     column :licensor
-    column :pro
     column :genre
-    column :sales_region
     column :price
     column :reproduction_royalty
     column :public_performance_royalty
     column :reproduction_royalty_amount
     column :licensor_royalty_amount
-    column :pro_royalty_amount
-    column :url
-    column :created_at
+    column :id
 
     column :jam_track_tracks do |jam_track|
       table_for jam_track.jam_track_tracks.order('position ASC') do

admin/app/views/admin/jam_tracks/_form.html.slim

@@ -24,6 +24,10 @@
     = f.input :reproduction_royalty_amount, :required=>true, :input_html=>{type:'numeric'}
     = f.input :licensor_royalty_amount, :required=>true, :input_html=>{type:'numeric'}
     = f.input :preview_start_time_raw, :label=>'Preview Start Time', :hint => 'MM:SS:MLS', :as => :string
+    - unless f.object.nil? || f.object[:preview_url].nil?
+      .current_file_holder style='margin-bottom:10px'
+        a href=f.object.sign_url(3600) style='padding:0 0 0 20px'
+          | Download
 
     //= f.input :url, :as => :file, :label => 'Audio File'
     = f.input :jmep_text, :as => :text, :label => "JMEP Text", :input_html => {:rows => 5 }, :hint => 'Tap-Ins & Lead Silence.  Examples: https://jamkazam.atlassian.net/wiki/pages/viewpage.action?pageId=39289025#JamKazamMeta-EventProcessor(JMEP)-CommonExamples'

ruby/lib/jam_ruby/models/jam_track.rb

@@ -12,8 +12,6 @@ module JamRuby
 
     @@log = Logging.logger[JamTrack]
 
-    mount_uploader :preview_url, JamTrackUploader
-
     attr_accessor   :uploading_preview
     attr_accessible :name, :description, :bpm, :time_signature, :status, :recording_type,
                   :original_artist, :songwriter, :publisher, :licensor, :licensor_id, :pro, :genre, :genre_id, :sales_region, :price,
@@ -99,6 +97,9 @@ module JamRuby
       "jam_track_previews/#{self.original_artist}/#{self.name}/preview-44100.ogg"
     end
 
+    def has_preview?
+      !self["preview_url"].nil?
+    end
     # creates a short-lived URL that has access to the object.
     # the idea is that this is used when a user who has the rights to this tries to download this JamTrack
     # we would verify their rights (can_download?), and generates a URL in response to the click so that they can download

ruby/spec/jam_ruby/models/jam_track_spec.rb

@@ -117,44 +117,5 @@ describe JamTrack do
       end
     end
   end
-
-  describe "upload/download" do
-    PREVIEW_NAME = 'blah.ogg'
-
-    in_directory_with_file(PREVIEW_NAME)
-
-    before(:all) do
-      original_storage = JamTrackUploader.storage = :fog
-    end
-
-    after(:all) do
-      JamTrackUploader.storage = @original_storage
-    end
-
-    before(:each) do
-      content_for_file('abc')
-    end
-
-    it "uploads to s3 with correct name, and then downloads via signed URL" do
-      jam_track = FactoryGirl.create(:jam_track)
-      uploader = JamTrackUploader.new(jam_track, :preview_url)
-      uploader.store!(File.open(PREVIEW_NAME))  # uploads file
-      jam_track.save!
-
-      # verify that the uploader stores the correct path
-      jam_track[:preview_url].should == jam_track.preview_filename
-
-      # verify it's on S3
-      s3 = S3Manager.new(APP_CONFIG.aws_bucket, APP_CONFIG.aws_access_key_id, APP_CONFIG.aws_secret_access_key)
-      s3.exists?(jam_track[:preview_url]).should be_true
-      s3.length(jam_track[:preview_url]).should == 'abc'.length
-
-      # download it via signed URL, and check contents
-      url = jam_track.sign_url
-      downloaded_contents = open(url).read
-      downloaded_contents.should == 'abc'
-    end
-
-  end
 end