adds responsible name to proposals

app/models/proposal.rb

@@ -14,15 +14,18 @@ class Proposal < ActiveRecord::Base
   validates :question, presence: true
   validates :description, presence: true
   validates :author, presence: true
+  validates :responsible_name, presence: true
 
   validate :validate_title_length
   validate :validate_question_length
   validate :validate_description_length
+  validate :validate_responsible_length
 
   validates :terms_of_service, acceptance: { allow_nil: false }, on: :create
 
   before_validation :sanitize_description
   before_validation :sanitize_tag_list
+  before_validation :set_responsible_name
 
   scope :for_render, -> { includes(:tags) }
   scope :sort_by_hot_score , -> { order(hot_score: :desc) }
@@ -96,6 +99,10 @@ class Proposal < ActiveRecord::Base
     6000
   end
 
+  def self.responsible_name_max_length
+    60
+  end
+
   def self.search(terms)
     terms.present? ? where("title ILIKE ? OR description ILIKE ? OR question ILIKE ?", "%#{terms}%", "%#{terms}%", "%#{terms}%") : none
   end
@@ -114,6 +121,11 @@ class Proposal < ActiveRecord::Base
       self.tag_list = TagSanitizer.new.sanitize_tag_list(self.tag_list)
     end
 
+    def set_responsible_name
+      if author && author.level_two_or_three_verified?
+        self.responsible_name = author.document_number
+      end
+    end
   private
 
     def validate_description_length
@@ -140,4 +152,12 @@ class Proposal < ActiveRecord::Base
       validator.validate(self)
     end
 
+    def validate_responsible_length
+      validator = ActiveModel::Validations::LengthValidator.new(
+        attributes: :title,
+        minimum: 6,
+        maximum: Proposal.responsible_name_max_length)
+      validator.validate(self)
+    end
+
 end