lib/stanford-mods/searchworks.rb in stanford-mods-0.0.22 vs lib/stanford-mods/searchworks.rb in stanford-mods-0.0.23

@@ -387,19 +387,20 @@
         else
           vals = self.term_values([:origin_info,:dateCreated])
         end
         vals and vals.empty? ? nil : vals
       end
+      
       def is_number?(object)
         true if Integer(object) rescue false
       end
       def is_date?(object)
         true if Date.parse(object) rescue false
       end
   
       # Get the publish year from mods
-      #@return [String] 4 character year or nil if no valid date was found
+      # @return [String] 4 character year or nil if no valid date was found
       def pub_year
         #use the cached year if there is one
         if @pub_year
           if @pub_year == ''
             return nil
@@ -415,10 +416,13 @@
             pruned_dates << f_date.gsub('?','').gsub('[','').gsub(']','')
           end
           #try to find a date starting with the most normal date formats and progressing to more wonky ones
           @pub_year=get_plain_four_digit_year pruned_dates
           return @pub_year if @pub_year
+          # Check for years in u notation, e.g., 198u
+          @pub_year=get_u_year pruned_dates
+          return @pub_year if @pub_year
           @pub_year=get_double_digit_century pruned_dates
           return @pub_year if @pub_year
           @pub_year=get_bc_year pruned_dates
           return @pub_year if @pub_year
           @pub_year=get_three_digit_year pruned_dates
@@ -561,9 +565,28 @@
                 @pub_year=match
                 return match  
               end 
             end
             return matches.first
+          end
+        end
+        return nil
+      end
+      
+      # If a year has a "u" in it, replace instances of u with 0
+      # @param [String]
+      # @return String
+      def get_u_year dates
+        dates.each do |f_date|
+          # Single digit u notation
+          matches=f_date.scan(/\d{3}u/)
+          if matches.length == 1
+            return matches.first.gsub('u','0')
+          end
+          # Double digit u notation
+          matches=f_date.scan(/\d{2}u{2}/)
+          if matches.length == 1
+            return matches.first.gsub('u','-')
           end
         end
         return nil
       end