Added the ability to copy a project in the Project Administration panel.

* Added Copy project button.
* Added Project#copy_from to duplicate a project to be modified and saved by the user
* Added a ProjectsController#copy based off the add method
** Used Project#copy_from to create a duplicate project in memory
* Implemented Project#copy to copy data for a project from another and save it.
** Members
** Project level queries
** Project custom fields
* Added a plugin hook for Project#copy.

  #1125  #1556  #886  #309

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2704 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/projects_controller.rb

@@ -23,10 +23,10 @@ class ProjectsController < ApplicationController
   menu_item :settings, :only => :settings
   menu_item :issues, :only => [:changelog]
   
-  before_filter :find_project, :except => [ :index, :list, :add, :activity ]
+  before_filter :find_project, :except => [ :index, :list, :add, :copy, :activity ]
   before_filter :find_optional_project, :only => :activity
-  before_filter :authorize, :except => [ :index, :list, :add, :archive, :unarchive, :destroy, :activity ]
-  before_filter :require_admin, :only => [ :add, :archive, :unarchive, :destroy ]
+  before_filter :authorize, :except => [ :index, :list, :add, :copy, :archive, :unarchive, :destroy, :activity ]
+  before_filter :require_admin, :only => [ :add, :copy, :archive, :unarchive, :destroy ]
   accept_key_auth :activity
   
   after_filter :only => [:add, :edit, :archive, :unarchive, :destroy] do |controller|
@@ -80,6 +80,30 @@ class ProjectsController < ApplicationController
 	  end		
     end	
   end
+  
+  def copy
+    @issue_custom_fields = IssueCustomField.find(:all, :order => "#{CustomField.table_name}.position")
+    @trackers = Tracker.all
+    @root_projects = Project.find(:all,
+                                  :conditions => "parent_id IS NULL AND status = #{Project::STATUS_ACTIVE}",
+                                  :order => 'name')
+    if request.get?
+      @project = Project.copy_from(params[:id])
+      if @project
+        @project.identifier = Project.next_identifier if Setting.sequential_project_identifiers?
+      else
+        redirect_to :controller => 'admin', :action => 'projects'
+      end  
+    else
+      @project = Project.new(params[:project])
+      @project.enabled_module_names = params[:enabled_modules]
+      if @project.copy(params[:id])
+        flash[:notice] = l(:notice_successful_create)
+        redirect_to :controller => 'admin', :action => 'projects'
+      end		
+    end	
+  end
+
 	
   # Show @project
   def show

app/models/project.rb

@@ -318,6 +318,66 @@ class Project < ActiveRecord::Base
     p.nil? ? nil : p.identifier.to_s.succ
   end
 
+  # Copies and saves the Project instance based on the +project+.
+  # Will duplicate the source project's:
+  # * Issues
+  # * Members
+  # * Queries
+  def copy(project)
+    project = project.is_a?(Project) ? project : Project.find(project)
+
+    Project.transaction do
+      # Issues
+      project.issues.each do |issue|
+        new_issue = Issue.new
+        new_issue.copy_from(issue)
+        self.issues << new_issue
+      end
+    
+      # Members
+      project.members.each do |member|
+        new_member = Member.new
+        new_member.attributes = member.attributes.dup.except("project_id")
+        new_member.project = self
+        self.members << new_member
+      end
+      
+      # Queries
+      project.queries.each do |query|
+        new_query = Query.new
+        new_query.attributes = query.attributes.dup.except("project_id", "sort_criteria")
+        new_query.sort_criteria = query.sort_criteria if query.sort_criteria
+        new_query.project = self
+        self.queries << new_query
+      end
+
+      Redmine::Hook.call_hook(:model_project_copy_before_save, :source_project => project, :destination_project => self)
+      self.save
+    end
+  end
+
+  
+  # Copies +project+ and returns the new instance.  This will not save
+  # the copy
+  def self.copy_from(project)
+    begin
+      project = project.is_a?(Project) ? project : Project.find(project)
+      if project
+        # clear unique attributes
+        attributes = project.attributes.dup.except('name', 'identifier', 'id', 'status')
+        copy = Project.new(attributes)
+        copy.enabled_modules = project.enabled_modules
+        copy.trackers = project.trackers
+        copy.custom_values = project.custom_values.collect {|v| v.clone}
+        return copy
+      else
+        return nil
+      end
+    rescue ActiveRecord::RecordNotFound
+      return nil
+    end
+  end
+  
 protected
   def validate
     errors.add(:identifier, :invalid) if !identifier.blank? && identifier.match(/^\d*$/)

app/views/admin/projects.rhtml

@@ -23,6 +23,7 @@
 	<th><%=l(:field_created_on)%></th>
     <th></th>
     <th></th>
+    <th></th>
   </tr></thead>
   <tbody>
 <% for project in @projects %>
@@ -37,6 +38,9 @@
     <%= link_to(l(:button_unarchive), { :controller => 'projects', :action => 'unarchive', :id => project }, :method => :post, :class => 'icon icon-unlock') if !project.active? && (project.parent.nil? || project.parent.active?) %>
     </small>
   </td>
+  <td align="center" style="width:10%">
+    <%= link_to(l(:button_copy), { :controller => 'projects', :action => 'copy', :id => project }, :class => 'icon icon-copy') %>
+  </td>
   <td align="center" style="width:10%">
     <small><%= link_to(l(:button_delete), { :controller => 'projects', :action => 'destroy', :id => project }, :class => 'icon icon-del') %></small>
   </td>

app/views/projects/copy.rhtml

@@ -0,0 +1,16 @@
+<h2><%=l(:label_project_copy)%></h2>
+
+<% labelled_tabular_form_for :project, @project, :url => { :action => "copy" } do |f| %>
+<%= render :partial => 'form', :locals => { :f => f } %>
+
+<fieldset class="box"><legend><%= l(:label_module_plural) %></legend>
+<% Redmine::AccessControl.available_project_modules.each do |m| %>
+    <label class="floating">
+    <%= check_box_tag 'enabled_modules[]', m, @project.module_enabled?(m) %>
+    <%= l_or_humanize(m, :prefix => "project_module_") %>
+    </label>
+<% end %>
+</fieldset>
+
+<%= submit_tag l(:button_copy) %>
+<% end %>