some methods to indicate the assumed input of an operator

lib/report/operator.rb

@@ -1,6 +1,7 @@
 class Report::Operator
   include Report::QueryUtils
   include Report::Validation
+  extend Forwardable
 
   #############################################################################################
   # Wrapped so we can place this at the top of the file.
@@ -8,6 +9,9 @@ class Report::Operator
 
     # Defaults
     defaults do
+
+      def_delegators :'singleton_class', :enforced?, :enforce!, :enforced
+
       def sql_operator
         name
       end
@@ -183,10 +187,12 @@ class Report::Operator
       end
     end
 
-    new ">=d", :label => :label_between_now_and_date, :validate => :dates do
+    new ">=d", :label => :label_days_ago, :validate => :integers do
+      enforce! :integers
+
       def modify(query, field, value)
         now = Time.now
-        from = value.to_dateish
+        from = (now - value.to_i.days).beginning_of_day
         '<>d'.to_operator.modify query, field, from, now
       end
     end
@@ -212,6 +218,18 @@ class Report::Operator
     end
   end
 
+  def self.enforce!(type)
+    @enforced = type
+  end
+
+  def self.enforced?
+    !!@enforced
+  end
+
+  def self.enforced
+    @enforced
+  end
+
   def self.new(name, values = {}, &block)
     all[name.to_s] ||= super
   end

lib/widget/filters/operators.rb

@@ -12,6 +12,7 @@ class Widget::Filters::Operators < Widget::Filters::Base
       select_box = content_tag :select, options do
         filter_class.available_operators.collect do |o|
           opts = {:value => h(o.to_s), :"data-arity" => o.arity}
+          opts.reverse_merge! :"data-enforced" => o.enforced if o.enforced?
           opts[:selected] = "selected" if filter.operator.to_s == o.to_s
           content_tag(:option, opts) { h(l(o.label)) }
         end.join.html_safe