Workflow copy:

* added the ability the copy an existing workflow when creating a new role (closes #841)
* use a single raw insert statement to copy tracker/role workflow rather than instantiating hundreds/thousands of objects

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1252 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/roles_controller.rb

@@ -36,10 +36,15 @@ class RolesController < ApplicationController
     # Prefills the form with 'Non member' role permissions
     @role = Role.new(params[:role] || {:permissions => Role.non_member.permissions})
     if request.post? && @role.save
+      # workflow copy
+      if !params[:copy_workflow_from].blank? && (copy_from = Role.find_by_id(params[:copy_workflow_from]))
+        @role.workflows.copy(copy_from)
+      end
       flash[:notice] = l(:notice_successful_create)
       redirect_to :action => 'list'
     end
     @permissions = @role.setable_permissions
+    @roles = Role.find :all, :order => 'builtin, position'
   end
 
   def edit

app/controllers/trackers_controller.rb

@@ -37,16 +37,12 @@ class TrackersController < ApplicationController
     if request.post? and @tracker.save
       # workflow copy
       if !params[:copy_workflow_from].blank? && (copy_from = Tracker.find_by_id(params[:copy_workflow_from]))
-        Workflow.transaction do
-          copy_from.workflows.find(:all, :include => [:role, :old_status, :new_status]).each do |w|
-            Workflow.create(:tracker_id => @tracker.id, :role => w.role, :old_status => w.old_status, :new_status => w.new_status)
-          end
-        end
+        @tracker.workflows.copy(copy_from)
       end
       flash[:notice] = l(:notice_successful_create)
       redirect_to :action => 'list'
     end
-    @trackers = Tracker.find :all
+    @trackers = Tracker.find :all, :order => 'position'
   end
 
   def edit

app/models/role.rb

@@ -21,7 +21,18 @@ class Role < ActiveRecord::Base
   BUILTIN_ANONYMOUS  = 2
   
   before_destroy :check_deletable
-  has_many :workflows, :dependent => :delete_all
+  has_many :workflows, :dependent => :delete_all do
+    def copy(role)
+      raise "Can not copy workflow from a #{role.class}" unless role.is_a?(Role)
+      raise "Can not copy workflow from/to an unsaved role" if proxy_owner.new_record? || role.new_record?
+      clear
+      connection.insert "INSERT INTO workflows (tracker_id, old_status_id, new_status_id, role_id)" +
+                        " SELECT tracker_id, old_status_id, new_status_id, #{proxy_owner.id}" +
+                        " FROM workflows" +
+                        " WHERE role_id = #{role.id}"
+    end
+  end
+  
   has_many :members
   acts_as_list
   

app/models/tracker.rb

@@ -18,7 +18,18 @@
 class Tracker < ActiveRecord::Base
   before_destroy :check_integrity  
   has_many :issues
-  has_many :workflows, :dependent => :delete_all
+  has_many :workflows, :dependent => :delete_all do
+    def copy(tracker)
+      raise "Can not copy workflow from a #{tracker.class}" unless tracker.is_a?(Tracker)
+      raise "Can not copy workflow from/to an unsaved tracker" if proxy_owner.new_record? || tracker.new_record?
+      clear
+      connection.insert "INSERT INTO workflows (tracker_id, old_status_id, new_status_id, role_id)" +
+                        " SELECT #{proxy_owner.id}, old_status_id, new_status_id, role_id" +
+                        " FROM workflows" +
+                        " WHERE tracker_id = #{tracker.id}"
+    end
+  end
+  
   has_and_belongs_to_many :projects
   has_and_belongs_to_many :custom_fields, :class_name => 'IssueCustomField', :join_table => "#{table_name_prefix}custom_fields_trackers#{table_name_suffix}", :association_foreign_key => 'custom_field_id'
   acts_as_list

app/views/roles/_form.rhtml

@@ -4,6 +4,10 @@
 <div class="box">
 <p><%= f.text_field :name, :required => true %></p>
 <p><%= f.check_box :assignable %></p>
+<% if @role.new_record? && @roles.any? %>
+<p><label><%= l(:label_copy_workflow_from) %></label>
+<%= select_tag(:copy_workflow_from, content_tag("option") + options_from_collection_for_select(@roles, :id, :name)) %></p>
+<% end %>
 </div>
 <% end %>
 

app/views/trackers/_form.rhtml

@@ -4,8 +4,9 @@
 <p><%= f.text_field :name, :required => true %></p>
 <p><%= f.check_box :is_in_chlog %></p>
 <p><%= f.check_box :is_in_roadmap %></p>
-<% if @tracker.new_record? %>
-<p><label><%= l(:label_copy_workflow_from) %></label> <%= select_tag(:copy_workflow_from, content_tag("option") + options_from_collection_for_select(@trackers, :id, :name)) %></p>
+<% if @tracker.new_record? && @trackers.any? %>
+<p><label><%= l(:label_copy_workflow_from) %></label>
+<%= select_tag(:copy_workflow_from, content_tag("option") + options_from_collection_for_select(@trackers, :id, :name)) %></p>
 <% end %>
 <!--[eoform:tracker]-->
 </div>