adds Null/White Results models

app/models/poll/null_result.rb

@@ -0,0 +1,23 @@
+class Poll::NullResult < ActiveRecord::Base
+
+  VALID_ORIGINS = %w{ web booth }
+
+  belongs_to :author, ->   { with_hidden }, class_name: 'User', foreign_key: 'author_id'
+  belongs_to :booth_assignment
+  belongs_to :officer_assignment
+
+  validates :author, presence: true
+  validates :origin, inclusion: {in: VALID_ORIGINS}
+
+  scope :by_author, -> (author_id) { where(author_id: author_id) }
+
+  before_save :update_logs
+
+  def update_logs
+    if self.amount_changed? && self.amount_was.present?
+      self.amount_log += ":#{self.amount_was.to_s}"
+      self.officer_assignment_id_log += ":#{self.officer_assignment_id_was.to_s}"
+      self.author_id_log += ":#{self.author_id_was.to_s}"
+    end
+  end
+end

app/models/poll/white_result.rb

@@ -0,0 +1,23 @@
+class Poll::WhiteResult < ActiveRecord::Base
+
+  VALID_ORIGINS = %w{ web booth }
+
+  belongs_to :author, ->   { with_hidden }, class_name: 'User', foreign_key: 'author_id'
+  belongs_to :booth_assignment
+  belongs_to :officer_assignment
+
+  validates :author, presence: true
+  validates :origin, inclusion: {in: VALID_ORIGINS}
+
+  scope :by_author, -> (author_id) { where(author_id: author_id) }
+
+  before_save :update_logs
+
+  def update_logs
+    if self.amount_changed? && self.amount_was.present?
+      self.amount_log += ":#{self.amount_was.to_s}"
+      self.officer_assignment_id_log += ":#{self.officer_assignment_id_was.to_s}"
+      self.author_id_log += ":#{self.author_id_was.to_s}"
+    end
+  end
+end