app/models/response_set.rb in surveyor-0.10.0 vs app/models/response_set.rb in surveyor-0.11.0

@@ -9,10 +9,11 @@
   has_many :responses, :dependent => :destroy
   
   # Validations
   validates_presence_of :survey_id
   validates_associated :responses
+  validates_uniqueness_of :access_code
   
   # Attributes
   attr_protected :completed_at
   attr_accessor :current_section_id
 
@@ -26,9 +27,30 @@
   end
   
   def default_args
     self.started_at ||= Time.now
     self.access_code = Surveyor.make_tiny_code
+  end
+  
+  def access_code=(val)
+    while ResponseSet.find_by_access_code(val)
+      val = Surveyor.make_tiny_code
+    end
+    super
+  end
+  
+  def to_csv
+    qcols = Question.content_columns.map(&:name) - %w(created_at updated_at)
+    acols = Answer.content_columns.map(&:name) - %w(created_at updated_at)
+    rcols = Response.content_columns.map(&:name)
+    require 'fastercsv'
+    FCSV(result = "") do |csv|
+      csv << qcols.map{|qcol| "question.#{qcol}"} + acols.map{|acol| "answer.#{acol}"} + rcols.map{|rcol| "response.#{rcol}"}
+      responses.each do |response|
+        csv << qcols.map{|qcol| response.question.send(qcol)} + acols.map{|acol| response.answer.send(acol)} + rcols.map{|rcol| response.send(rcol)}
+      end
+    end
+    result
   end
   
   def response_for(question_id, answer_id, group = nil)
     found = responses.detect{|r| r.question_id == question_id && r.answer_id == answer_id && r.response_group.to_s == group.to_s}
     found.blank? ? responses.new(:question_id => question_id, :answer_id => answer_id, :response_group => group) : found
\ No newline at end of file