support for respondus FIMB questions, refs #5386

Change-Id: I81ae1c352f18826d7bcbcfe751f97e194a81a518
Reviewed-on: https://gerrit.instructure.com/5490
Tested-by: Hudson <hudson@instructure.com>
Reviewed-by: Bracken Mosbacker <bracken@instructure.com>

vendor/plugins/qti_exporter/lib/qti_exporter/assessment_item_converter.rb

@@ -266,7 +266,7 @@ class AssessmentItemConverter
           opts[:custom_type] = 'canvas_matching'
         elsif type == 'matching'
           opts[:custom_type] = 'respondus_matching'
-        elsif type =~ /fill_in_multiple_blanks_question|fill in the blanks/i
+        elsif type =~ /fillInMultiple|fill_in_multiple_blanks_question|fill in the blanks/i
           opts[:interaction_type] = 'fill_in_multiple_blanks_question'
         elsif type == 'multiple_dropdowns_question'
           opts[:interaction_type] = 'multiple_dropdowns_question'

vendor/plugins/qti_exporter/lib/qti_exporter/fill_in_the_blank.rb

@@ -14,6 +14,8 @@ class FillInTheBlank < AssessmentItemConverter
   def parse_question_data
     if @type == 'angel'
       process_angel
+    elsif @type == 'fillinmultiple'
+      process_respondus
     elsif @doc.at_css('itemBody extendedTextInteraction')
       process_d2l
     else
@@ -112,5 +114,20 @@ class FillInTheBlank < AssessmentItemConverter
     
   end
 
+  def process_respondus
+    @doc.css('responseCondition stringMatch baseValue[baseType=string]').each do |val_node|
+      if blank_id = val_node['identifier']
+        blank_id = blank_id.sub(%r{^RESPONSE_-([^-]*)-}, '\1')
+        @question[:answers] << {
+          :weight => AssessmentItemConverter::DEFAULT_CORRECT_WEIGHT,
+          :id => unique_local_id,
+          :migration_id => blank_id,
+          :text => sanitize_html_string(val_node.text, true),
+          :blank_id => blank_id,
+        }
+      end
+    end
+  end
+
 end
 end