VRFS-2665, VRFS-2666 : Create models and relationships for two new tables: backing_tracks and recorded_backing_tracks

db/manifest

@@ -244,4 +244,5 @@ jamtracks_job.sql
 text_messages.sql
 text_message_migration.sql
 backing_tracks.sql
-metronome.sql
+metronome.sql
+recorded_backing_tracks.sql

db/up/recorded_backing_tracks.sql

@@ -0,0 +1,38 @@
+CREATE TABLE backing_tracks (
+  id VARCHAR(64) NOT NULL PRIMARY KEY DEFAULT uuid_generate_v4(),
+  filename VARCHAR(1024) NOT NULL,
+
+  connection_id VARCHAR(64) NOT NULL,
+  client_track_id VARCHAR(64) NOT NULL,
+  client_resource_id VARCHAR(100),
+  
+  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP  
+);
+
+CREATE TABLE recorded_backing_tracks (
+    id BIGINT PRIMARY KEY,
+    user_id VARCHAR(64) REFERENCES users(id) ON DELETE CASCADE,    
+    backing_track_id VARCHAR(64) REFERENCES backing_tracks(id) ON DELETE CASCADE,    
+    recording_id VARCHAR(64) NOT NULL,
+    
+    client_track_id VARCHAR(64) NOT NULL,
+    is_part_uploading BOOLEAN NOT NULL DEFAULT FALSE,
+    next_part_to_upload INTEGER NOT NULL DEFAULT 0,
+    upload_id CHARACTER VARYING(1024),
+    part_failures INTEGER NOT NULL DEFAULT 0,
+    discard BOOLEAN,
+    download_count INTEGER NOT NULL DEFAULT 0,
+    md5 CHARACTER VARYING(100),
+    length BIGINT,
+    client_id VARCHAR(64) NOT NULL,
+    file_offset BIGINT,
+
+    url VARCHAR(1024) NOT NULL,
+    fully_uploaded BOOLEAN NOT NULL DEFAULT FALSE,
+    upload_failures INTEGER NOT NULL DEFAULT 0,    
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+ALTER TABLE recorded_backing_tracks ALTER COLUMN id SET DEFAULT nextval('tracks_next_tracker_seq');

ruby/lib/jam_ruby.rb

@@ -86,6 +86,7 @@ require "jam_ruby/lib/stats.rb"
 require "jam_ruby/amqp/amqp_connection_manager"
 require "jam_ruby/database"
 require "jam_ruby/message_factory"
+require "jam_ruby/models/backing_track"
 require "jam_ruby/models/feedback"
 require "jam_ruby/models/feedback_observer"
 #require "jam_ruby/models/max_mind_geo"
@@ -131,8 +132,10 @@ require "jam_ruby/models/search"
 require "jam_ruby/models/recording"
 require "jam_ruby/models/recording_comment"
 require "jam_ruby/models/recording_liker"
+require "jam_ruby/models/recorded_backing_track"
 require "jam_ruby/models/recorded_track"
 require "jam_ruby/models/recorded_track_observer"
+require "jam_ruby/models/recorded_video"
 require "jam_ruby/models/quick_mix"
 require "jam_ruby/models/quick_mix_observer"
 require "jam_ruby/models/share_token"
@@ -196,7 +199,6 @@ require "jam_ruby/models/score_history"
 require "jam_ruby/models/jam_company"
 require "jam_ruby/models/user_sync"
 require "jam_ruby/models/video_source"
-require "jam_ruby/models/recorded_video"
 require "jam_ruby/models/text_message"
 require "jam_ruby/jam_tracks_manager"
 

ruby/lib/jam_ruby/models/backing_track.rb

@@ -0,0 +1,20 @@
+module JamRuby
+  class BackingTrack < ActiveRecord::Base
+
+    self.table_name = "backing_tracks"
+    self.primary_key = 'id'
+
+    default_scope order('created_at ASC')
+
+    belongs_to :connection, :class_name => "JamRuby::Connection", :inverse_of => :tracks, :foreign_key => 'connection_id'
+    validates :connection, presence: true
+    validates :client_track_id, presence: true
+
+    def user
+      self.connection.user
+    end
+
+    
+
+  end
+end

ruby/lib/jam_ruby/models/connection.rb

@@ -18,6 +18,7 @@ module JamRuby
     belongs_to :music_session, :class_name => "JamRuby::ActiveMusicSession", foreign_key: :music_session_id
     has_one :latency_tester, class_name: 'JamRuby::LatencyTester', foreign_key: :client_id, primary_key: :client_id
     has_many :tracks, :class_name => "JamRuby::Track", :inverse_of => :connection, :foreign_key => 'connection_id', :dependent => :delete_all
+    has_many :backing_tracks, :class_name => "JamRuby::BackingTrack", :inverse_of => :connection, :foreign_key => 'connection_id', :dependent => :delete_all
     has_many :video_sources, :class_name => "JamRuby::VideoSource", :inverse_of => :connection, :foreign_key => 'connection_id', :dependent => :delete_all
 
     validates :as_musician, :inclusion => {:in => [true, false, nil]}

ruby/lib/jam_ruby/models/recorded_backing_track.rb

@@ -0,0 +1,18 @@
+module JamRuby
+  # BackingTrack analog to JamRuby::RecordedTrack
+  class RecordedBackingTrack < ActiveRecord::Base   
+    belongs_to :user, :class_name => "JamRuby::User", :inverse_of => :recorded_backing_tracks
+    belongs_to :recording, :class_name => "JamRuby::Recording", :inverse_of => :recorded_backing_tracks
+    validates :filename, :presence => true
+
+    def self.create_from_backing_track(backing_track, recording) 
+      recorded_backing_track = self.new
+      recorded_backing_track.recording = recording
+      recorded_backing_track.client_backing_track_id = backing_track.client_backing_track_id
+      recorded_backing_track.user = backing_track.connection.user
+      recorded_backing_track.save      
+      recorded_backing_track
+    end
+
+  end  
+end

ruby/spec/factories.rb

@@ -237,6 +237,11 @@ FactoryGirl.define do
     sequence(:client_video_source_id) { |n| "client_video_source_id#{n}"}
   end
 
+  factory :backing_track, :class => JamRuby::BackingTrack do
+    sequence(:client_track_id) { |n| "client_track_id#{n}"}
+    filename 'foo.mp3'
+  end
+  
   factory :recorded_track, :class => JamRuby::RecordedTrack do
     instrument JamRuby::Instrument.first
     sound 'stereo'