excel_exporter.rb in datashift-0.9.0

- old
+ new

@@ -25,23 +25,28 @@
       end
 
   
       # Create an Excel file from list of ActiveRecord objects
       def export(records, options = {})
+        
+        raise ArgumentError.new('Please supply array of records to export') unless records.is_a? Array
 
         excel = JExcelFile.new()
 
         if(options[:sheet_name] )
           excel.create_sheet( options[:sheet_name] ) 
         else
           excel.create_sheet( records.first.class.name )
         end
-      
+   
         excel.ar_to_headers(records)
         
         excel.ar_to_xls(records)
 
+              
+        # => :methods => List of methods to additionally export on each record
+         
         excel.save( filename() )
       end
       
       # Create an Excel file from list of ActiveRecord objects
       # Specify which associations to export via :with or :exclude
@@ -88,10 +93,9 @@
          
           end
         
           excel.set_headers( headers )
         
-
           row_index = 1
         
           items.each do |datum| 
             excel.create_row(row_index += 1)
             excel.ar_to_xls_row(1, datum)
\ No newline at end of file