purse.rb in iron_warbler-2.0.7.23

- old
+ new
@@ -1,21 +1,32 @@
 
 class Iro::Purse
   include Mongoid::Document
   include Mongoid::Timestamps
+  include Mongoid::Paranoia
   store_in collection: 'iro_purses'
 
   field :slug
   validates :slug, presence: true, uniqueness: true
   index({ slug: -1 }, { unique: true })
 
   has_many :positions, class_name: 'Iro::Position', inverse_of: :purse
 
-  field :unit,             type: :integer
-  field :height,           type: :integer
-  field :mark_every_n_usd, type: :float
+  belongs_to :stock, class_name: 'Iro::Stock', inverse_of: :strategies
 
+  field :unit,             type: :integer, default: 10
+  # field :height,           type: :integer, default: 100
+  field :mark_every_n_usd, type: :float, default: 1
+  field :n_next_positions, type: :integer, default: 5
+  ## with unit 10, sum_scale .001
+  ## with unit 100, sum_scale .0001
+  field :summary_scale,    type: :float, default: 0.001
+
+  field :available_amount, type: :float
+
   def to_s
     slug
   end
-
+  def self.list
+    [[nil,nil]] + all.map { |p| [p, p.id] }
+  end
 end