rename module to reflect its generic use

app/helpers/date_label_helper.rb

@@ -0,0 +1,133 @@
+module DateLabelHelper
+
+  class GenericDateView
+    include ActionView::Context
+    include ActionView::Helpers
+
+    COLORS = {
+      :overdue_by_more_than_one => :red,
+      :overdue_by_one           => :red,
+      :today                    => :amber,
+      :tomorrow                 => :amber,
+      :this_week                => :orange,
+      :more_than_a_week         => :green
+    }
+
+    def initialize(date, prefs)
+      @date = date
+      @days = date.nil? ? nil : days_from_today(date)
+      @days_sym = days_to_sym(@days)
+      @prefs = prefs
+    end
+
+    def get_color
+      COLORS[@days_sym]
+    end
+
+    def days_from_today(date)
+      (date.in_time_zone.to_date - Date.current).to_i
+    end
+
+    def days_to_sym(days)
+      case days
+      when nil
+        return nil
+      when 0
+        return :today
+      when 1
+        return :tomorrow
+      when 2..7
+        return :this_week
+      else
+        if days == -1
+          return :overdue_by_one
+        elsif days < -1
+          return :overdue_by_more_than_one
+        else
+          return :more_than_a_week
+        end
+      end
+    end
+
+    def date_html_wrapper
+      return "" if @date.nil?
+      
+      return content_tag(:a, {:title => @prefs.format_date(@date)}) {
+              content_tag(:span, {:class => get_color}) {
+                yield
+              }
+            }
+    end
+
+    def date_mobile_html_wrapper
+      return "" if @date.nil?
+
+      return content_tag(:span, {:class => get_color}) {
+        yield
+      }
+    end
+
+  end
+
+  class DueDateView < GenericDateView
+
+    def due_text
+      case @days_sym
+      when :overdue_by_one
+        t('todos.next_actions_due_date.overdue_by', :days => @days * -1)
+      when :overdue_by_more_than_one
+        t('todos.next_actions_due_date.overdue_by_plural', :days => @days * -1)
+      when :today
+        t('todos.next_actions_due_date.due_today')
+      when :tomorrow
+        t('todos.next_actions_due_date.due_tomorrow')
+      when :this_week
+        if @prefs.due_style == Preference.due_styles[:due_on]
+          # TODO: internationalize strftime here
+          t('models.preference.due_on', :date => @date.strftime("%A"))
+        else
+          t('models.preference.due_in', :days => @days)
+        end
+      else # should be :more_than_a_week
+        t('models.preference.due_in', :days => @days)
+      end
+    end
+
+    def due_date_html
+      date_html_wrapper { due_text }
+    end
+
+    def due_date_mobile_html
+      date_mobile_html_wrapper { @prefs.format_date(@due) }
+    end     
+
+  end
+
+  class ShowFromDateView < GenericDateView
+
+    def show_from_text
+      case @days_sym
+      when :overdue_by_more_than_one, :overdue_by_one
+        t('todos.scheduled_overdue', :days => @days * -1)
+      when :today
+        t('todos.show_today')
+      when :tomorrow
+        t('todos.show_tomorrow')
+      when :this_week
+        if @prefs.due_style == Preference.due_styles[:due_on]
+          t('todos.show_on_date', :date => @date.strftime("%A"))
+        else
+          t('todos.show_in_days', :days => @days.to_s)
+        end
+      else
+        t('todos.show_in_days', :days => @days.to_s)
+      end
+    end
+
+    def show_from_date_html
+      date_html_wrapper { show_from_text }
+    end
+
+  end
+
+end