refactoring: make available to public interface the number of days after

.gitignore

@@ -0,0 +1,2 @@
+# ide files
+.idea

README.md

@@ -1,3 +1,5 @@
 # redmine default due date
 
-this is redmine plugin set 7 days after to due date.
+this redmine plugin sets the due date of the 'new issue' form to N days after today.
+
+the number of days N is configurable in the plugin's settings page.

app/views/settings/_default_due_date.html.erb

@@ -0,0 +1,5 @@
+<p>
+  <%= label('settings[default_due_date]', l(:default_due_date, scope: :default_due_date)) %>
+  <%= text_field_tag('settings[default_due_date]', @settings['default_due_date']) %>
+  <%= content_tag(:em, l(:default_due_date_info, scope: :default_due_date), class: 'info') %>
+</p>

config/locales/en.yml

@@ -0,0 +1,5 @@
+# English strings go here for Rails i18n
+en:
+  default_due_date:
+    default_due_date: 'number of days'
+    default_due_date_info: "if it's left blank set the due date to such number of days after today"

init.rb

@@ -4,7 +4,10 @@
   name 'Redmine Default Due Date Plugin'
   author 'basyura'
   description 'This is a plugin for Redmine'
-  version '0.0.1'
+  version '0.0.3'
   url 'https://github.com/basyura/redmine_default_due_date'
   author_url 'http://blog.basyura.org/'
+
+  settings default: { 'default_due_date' => Redmine::Plugins::DefaultDueDateListener::DEFAULT_DUE_DATE },
+           partial: 'settings/default_due_date'
 end

lib/redmine_default_due_date.rb

@@ -2,9 +2,17 @@
 module Redmine
   module Plugins
     class DefaultDueDateListener < Redmine::Hook::ViewListener
+
+      DEFAULT_DUE_DATE = 7
+
       def view_issues_new_top(context)
-        context[:issue].due_date ||= Date.today + 7
+        context[:issue].due_date ||= self.class.default_due_date
       end
+
+      def self.default_due_date
+        Date.today + Setting.plugin_redmine_default_due_date['default_due_date'].to_i.days
+      end
+
     end
   end
 end