Made a nil_strip and nil_squish_strip differentiation.

lib/activerecord_utilities.rb

@@ -1,5 +1,5 @@
 module ActiverecordUtilities
-# this is for shared utilies, like string manipulation methods.
+  # this is for shared utilies, like string manipulation methods.
 
   extend ActiveSupport::Concern
 
@@ -18,7 +18,7 @@ def nil_trim_attributes(*attributes) # this assigns the attributes to be trimmed
   end
 
   protected
-# any def below this is an instance method
+  # any def below this is an instance method
   def trim_attributes
     if !self.attributes_to_trim.nil?
       self.attributes_to_trim.each do |a|

lib/utilities/strings.rb

@@ -1,10 +1,21 @@
 module Utilities::Strings
 
+  # Strips space, leaves internal widespace as is
   def self.nil_strip(string) # string should have content or be empty
+    if !string.nil?
+      string.strip!
+      string = nil if string == ''
+    end
+    string
+  end
+
+  # Strips space both condenses space
+  def self.nil_squish_strip(string)
     if !string.nil?
       string.squish!
       string = nil if string == ''
     end
     string
   end
-end
+
+end

spec/lib/activerecord_utilities_spec.rb

@@ -12,6 +12,7 @@
       expect { TestStringManipulations.nil_trim_attributes(:col1, :foo) }.to raise_error
     end
   end
+
   context 'instance methods' do
     let(:teststr) {
       TestStringManipulations.nil_trim_attributes(:col1, :col3)
@@ -30,7 +31,7 @@
   end
 end
 
-#include dummy class to test the activerecord_utilities
+# Dummy class to test activerecord_utilities
 class TestStringManipulations
 
   attr_accessor :col1, :col2, :col3
@@ -48,4 +49,4 @@ def valid?
     trim_attributes
   end
 
-end
+end