Replaces Enumeration.get_values and Enumeration.default with named scopes.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2472 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/documents_controller.rb

@@ -54,7 +54,7 @@ class DocumentsController < ApplicationController
   end
   
   def edit
-    @categories = Enumeration::get_values('DCAT')
+    @categories = Enumeration.document_categories
     if request.post? and @document.update_attributes(params[:document])
       flash[:notice] = l(:notice_successful_update)
       redirect_to :action => 'show', :id => @document

app/controllers/enumerations_controller.rb

@@ -85,7 +85,7 @@ class EnumerationsController < ApplicationController
         redirect_to :action => 'index'
       end
     end
-    @enumerations = Enumeration.get_values(@enumeration.opt) - [@enumeration]
+    @enumerations = Enumeration.values(@enumeration.opt) - [@enumeration]
   #rescue
   #  flash[:error] = 'Unable to delete enumeration'
   #  redirect_to :action => 'index'

app/controllers/issues_controller.rb

@@ -100,7 +100,7 @@ class IssuesController < ApplicationController
     @journals.reverse! if User.current.wants_comments_in_reverse_order?
     @allowed_statuses = @issue.new_statuses_allowed_to(User.current)
     @edit_allowed = User.current.allowed_to?(:edit_issues, @project)
-    @priorities = Enumeration::get_values('IPRI')
+    @priorities = Enumeration.priorities
     @time_entry = TimeEntry.new
     respond_to do |format|
       format.html { render :template => 'issues/show.rhtml' }
@@ -153,7 +153,7 @@ class IssuesController < ApplicationController
         return
       end		
     end	
-    @priorities = Enumeration::get_values('IPRI')
+    @priorities = Enumeration.priorities
     render :layout => !request.xhr?
   end
   
@@ -163,7 +163,7 @@ class IssuesController < ApplicationController
   
   def edit
     @allowed_statuses = @issue.new_statuses_allowed_to(User.current)
-    @priorities = Enumeration::get_values('IPRI')
+    @priorities = Enumeration.priorities
     @edit_allowed = User.current.allowed_to?(:edit_issues, @project)
     @time_entry = TimeEntry.new
     
@@ -403,7 +403,7 @@ class IssuesController < ApplicationController
       @assignables << @issue.assigned_to if @issue && @issue.assigned_to && !@assignables.include?(@issue.assigned_to)
     end
     
-    @priorities = Enumeration.get_values('IPRI').reverse
+    @priorities = Enumeration.priorities.reverse
     @statuses = IssueStatus.find(:all, :order => 'position')
     @back = request.env['HTTP_REFERER']
     

app/controllers/reports_controller.rb

@@ -37,7 +37,7 @@ class ReportsController < ApplicationController
       render :template => "reports/issue_report_details"
     when "priority"
       @field = "priority_id"
-      @rows = Enumeration::get_values('IPRI')
+      @rows = Enumeration.priorities
       @data = issues_by_priority
       @report_title = l(:field_priority)
       render :template => "reports/issue_report_details"   
@@ -68,7 +68,7 @@ class ReportsController < ApplicationController
     else
       @trackers = @project.trackers
       @versions = @project.versions.sort
-      @priorities = Enumeration::get_values('IPRI')
+      @priorities = Enumeration.priorities
       @categories = @project.issue_categories
       @assignees = @project.members.collect { |m| m.user }
       @authors = @project.members.collect { |m| m.user }

app/helpers/timelog_helper.rb

@@ -27,7 +27,7 @@ module TimelogHelper
   end
   
   def activity_collection_for_select_options
-    activities = Enumeration::get_values('ACTI')
+    activities = Enumeration.activities
     collection = []
     collection << [ "--- #{l(:actionview_instancetag_blank_option)} ---", '' ] unless activities.detect(&:is_default)
     activities.each { |a| collection << [a.name, a.id] }

app/models/document.rb

@@ -31,7 +31,7 @@ class Document < ActiveRecord::Base
   
   def after_initialize
     if new_record?
-      self.category ||= Enumeration.default('DCAT')
+      self.category ||= Enumeration.document_categories.default
     end
   end
 end

app/models/enumeration.rb

@@ -26,17 +26,29 @@ class Enumeration < ActiveRecord::Base
 
   # Single table inheritance would be an option
   OPTIONS = {
-    "IPRI" => {:label => :enumeration_issue_priorities, :model => Issue, :foreign_key => :priority_id},
-    "DCAT" => {:label => :enumeration_doc_categories, :model => Document, :foreign_key => :category_id},
-    "ACTI" => {:label => :enumeration_activities, :model => TimeEntry, :foreign_key => :activity_id}
+    "IPRI" => {:label => :enumeration_issue_priorities, :model => Issue, :foreign_key => :priority_id, :scope => :priorities},
+    "DCAT" => {:label => :enumeration_doc_categories, :model => Document, :foreign_key => :category_id, :scope => :document_categories},
+    "ACTI" => {:label => :enumeration_activities, :model => TimeEntry, :foreign_key => :activity_id, :scope => :activities}
   }.freeze
   
-  def self.get_values(option)
-    find(:all, :conditions => {:opt => option}, :order => 'position')
+  # Creates a named scope for each type of value. The scope has a +default+ method
+  # that returns the default value, or nil if no value is set as default.
+  # Example:
+  #   Enumeration.priorities
+  #   Enumeration.priorities.default
+  OPTIONS.each do |k, v|
+    next unless v[:scope]
+    named_scope v[:scope], :conditions => { :opt => k }, :order => 'position' do
+      def default
+        find(:first, :conditions => { :is_default => true })
+      end
+    end
   end
   
-  def self.default(option)  
-    find(:first, :conditions => {:opt => option, :is_default => true}, :order => 'position')
+  named_scope :values, lambda {|opt| { :conditions => { :opt => opt }, :order => 'position' } } do
+    def default
+      find(:first, :conditions => { :is_default => true })
+    end
   end
 
   def option_name

app/models/issue.rb

@@ -63,7 +63,7 @@ class Issue < ActiveRecord::Base
     if new_record?
       # set default values for new records only
       self.status ||= IssueStatus.default
-      self.priority ||= Enumeration.default('IPRI')
+      self.priority ||= Enumeration.priorities.default
     end
   end
   

app/models/time_entry.rb

@@ -37,7 +37,7 @@ class TimeEntry < ActiveRecord::Base
 
   def after_initialize
     if new_record? && self.activity.nil?
-      if default_activity = Enumeration.default('ACTI')
+      if default_activity = Enumeration.activities.default
         self.activity_id = default_activity.id
       end
     end

app/views/documents/_form.rhtml

@@ -2,7 +2,7 @@
 <div class="box">
 <!--[form:document]-->
 <p><label for="document_category_id"><%=l(:field_category)%></label>
-<%= select('document', 'category_id', Enumeration.get_values('DCAT').collect {|c| [c.name, c.id]}) %></p>
+<%= select('document', 'category_id', Enumeration.document_categories.collect {|c| [c.name, c.id]}) %></p>
 
 <p><label for="document_title"><%=l(:field_title)%> <span class="required">*</span></label>
 <%= text_field 'document', 'title', :size => 60 %></p>

app/views/enumerations/list.rhtml

@@ -3,7 +3,7 @@
 <% Enumeration::OPTIONS.each do |option, params| %>
 <h3><%= l(params[:label]) %></h3>
 
-<% enumerations = Enumeration.get_values(option) %>
+<% enumerations = Enumeration.values(option) %>
 <% if enumerations.any? %>
 <table class="list">
 <% enumerations.each do |enumeration| %>

app/views/issues/bulk_edit.rhtml

@@ -13,7 +13,7 @@
 <%= select_tag('status_id', "<option value=\"\">#{l(:label_no_change_option)}</option>" + options_from_collection_for_select(@available_statuses, :id, :name)) %></label>
 <% end %>
 <label><%= l(:field_priority) %>: 
-<%= select_tag('priority_id', "<option value=\"\">#{l(:label_no_change_option)}</option>" + options_from_collection_for_select(Enumeration.get_values('IPRI'), :id, :name)) %></label>
+<%= select_tag('priority_id', "<option value=\"\">#{l(:label_no_change_option)}</option>" + options_from_collection_for_select(Enumeration.priorities, :id, :name)) %></label>
 <label><%= l(:field_category) %>: 
 <%= select_tag('category_id', content_tag('option', l(:label_no_change_option), :value => '') +
                                 content_tag('option', l(:label_none), :value => 'none') +