renamed validation 'numbers' to 'integers' and added validation code

git-svn-id: https://dev.finn.de/svn/cockpit/branches/reporting_merge@1844 7926756e-e54e-46e6-9721-ed318f58905e

app/models/cost_query/validation/integers.rb

@@ -0,0 +1,14 @@
+module CostQuery::Validation
+  module Integers
+    def validate_integers(values = [])
+      values_passed = true
+      values.all? do |val|
+        if val.to_i.to_s != val.to_s
+          values_passed = false
+          errors << "\'#{val}\' is not a valid date!"
+        end
+      end
+      values_passed
+    end
+  end
+end

app/models/cost_query/validation/numbers.rb

@@ -1,7 +0,0 @@
-module CostQuery::Validation
-  module Numbers
-    def validate_numbers(values = [])
-      raise NotImplementedError, "Haven't done number validation just yet!"
-    end
-  end
-end