Adds workflow copy functionality (#1727).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3154 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/workflows_controller.rb

@@ -42,4 +42,27 @@ class WorkflowsController < ApplicationController
     @trackers = Tracker.find(:all, :order => 'position')
     @statuses = IssueStatus.find(:all, :order => 'position')
   end
+  
+  def copy
+    @trackers = Tracker.find(:all, :order => 'position')
+    @roles = Role.find(:all, :order => 'builtin, position')
+    
+    @source_tracker = params[:source_tracker_id].blank? ? nil : Tracker.find_by_id(params[:source_tracker_id])
+    @source_role = params[:source_role_id].blank? ? nil : Role.find_by_id(params[:source_role_id])
+    
+    @target_trackers = params[:target_tracker_ids].blank? ? nil : Tracker.find_all_by_id(params[:target_tracker_ids])
+    @target_roles = params[:target_role_ids].blank? ? nil : Role.find_all_by_id(params[:target_role_ids])
+     
+    if request.post?
+      if params[:source_tracker_id].blank? || params[:source_role_id].blank? || (@source_tracker.nil? && @source_role.nil?)
+        flash.now[:error] = l(:error_workflow_copy_source)
+      elsif @target_trackers.nil? || @target_roles.nil?
+        flash.now[:error] = l(:error_workflow_copy_target)
+      else
+        Workflow.copy(@source_tracker, @source_role, @target_trackers, @target_roles)
+        flash[:notice] = l(:notice_successful_update)
+        redirect_to :action => 'copy', :source_tracker_id => @source_tracker, :source_role_id => @source_role
+      end
+    end
+  end
 end

app/models/role.rb

@@ -28,14 +28,8 @@ class Role < ActiveRecord::Base
   
   before_destroy :check_deletable
   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 #{Workflow.table_name} (tracker_id, old_status_id, new_status_id, role_id)" +
-                        " SELECT tracker_id, old_status_id, new_status_id, #{proxy_owner.id}" +
-                        " FROM #{Workflow.table_name}" +
-                        " WHERE role_id = #{role.id}"
+    def copy(source_role)
+      Workflow.copy(nil, source_role, nil, proxy_owner)
     end
   end
   

app/models/tracker.rb

@@ -19,14 +19,8 @@ class Tracker < ActiveRecord::Base
   before_destroy :check_integrity  
   has_many :issues
   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 #{Workflow.table_name} (tracker_id, old_status_id, new_status_id, role_id)" +
-                        " SELECT #{proxy_owner.id}, old_status_id, new_status_id, role_id" +
-                        " FROM #{Workflow.table_name}" +
-                        " WHERE tracker_id = #{tracker.id}"
+    def copy(source_tracker)
+      Workflow.copy(source_tracker, nil, proxy_owner, nil)
     end
   end
   

app/models/workflow.rb

@@ -51,4 +51,50 @@ class Workflow < ActiveRecord::Base
       uniq.
       sort
   end
+  
+  # Copies workflows from source to targets
+  def self.copy(source_tracker, source_role, target_trackers, target_roles)
+    unless source_tracker.is_a?(Tracker) || source_role.is_a?(Role)
+      raise ArgumentError.new "source_tracker or source_role must be specified"
+    end
+    
+    target_trackers = [target_trackers].flatten.compact
+    target_roles = [target_roles].flatten.compact
+    
+    target_trackers = Tracker.all if target_trackers.empty?
+    target_roles = Role.all if target_roles.empty?
+    
+    target_trackers.each do |target_tracker|
+      target_roles.each do |target_role|
+        copy_one(source_tracker || target_tracker,
+                   source_role || target_role,
+                   target_tracker,
+                   target_role)
+      end
+    end
+  end
+  
+  # Copies a single set of workflows from source to target
+  def self.copy_one(source_tracker, source_role, target_tracker, target_role)
+    unless source_tracker.is_a?(Tracker) && !source_tracker.new_record? &&
+      source_role.is_a?(Role) && !source_role.new_record? &&
+      target_tracker.is_a?(Tracker) && !target_tracker.new_record? &&
+      target_role.is_a?(Role) && !target_role.new_record?
+      
+      raise ArgumentError.new("arguments can not be nil or unsaved objects")
+    end
+    
+    if source_tracker == target_tracker && source_role == target_role
+      false
+    else
+      transaction do
+        delete_all :tracker_id => target_tracker.id, :role_id => target_role.id
+        connection.insert "INSERT INTO #{Workflow.table_name} (tracker_id, role_id, old_status_id, new_status_id)" +
+                          " SELECT #{target_tracker.id}, #{target_role.id}, old_status_id, new_status_id" +
+                          " FROM #{Workflow.table_name}" +
+                          " WHERE tracker_id = #{source_tracker.id} AND role_id = #{source_role.id}"
+      end
+      true
+    end
+  end
 end

app/views/workflows/_action_menu.rhtml

@@ -0,0 +1,5 @@
+<div class="contextual">
+<%= link_to l(:button_edit), {:action => 'edit'}, :class => 'icon icon-edit' %>
+<%= link_to l(:button_copy), {:action => 'copy'}, :class => 'icon icon-copy' %>
+<%= link_to l(:field_summary), {:action => 'index'}, :class => 'icon icon-summary' %>
+</div>

app/views/workflows/copy.rhtml

@@ -0,0 +1,33 @@
+<%= render :partial => 'action_menu' %>
+
+<h2><%=l(:label_workflow)%></h2>
+
+<% form_tag({}, :id => 'workflow_copy_form') do %>
+<div class="tabular box">
+<p>
+	<label><%= l(:label_copy_source) %></label>
+	<%= l(:label_tracker) %><br />
+	<%= select_tag('source_tracker_id', 
+									"<option value=\"\">--- #{l(:actionview_instancetag_blank_option)} ---</option>" +
+									"<option value=\"any\">--- #{ l(:label_copy_same_as_target) } ---</option>" + 
+									options_from_collection_for_select(@trackers, 'id', 'name', @source_tracker && @source_tracker.id)) %><br />
+	<%= l(:label_role) %><br />
+	<%= select_tag('source_role_id',
+									"<option value=\"\">--- #{l(:actionview_instancetag_blank_option)} ---</option>" +
+									"<option value=\"any\">--- #{ l(:label_copy_same_as_target) } ---</option>" + 
+									options_from_collection_for_select(@roles, 'id', 'name', @source_role && @source_role.id)) %>
+</p>
+<p>
+	<label><%= l(:label_copy_target) %></label>
+	<%= l(:label_tracker) %><br />
+	<%= select_tag 'target_tracker_ids',
+									"<option value=\"\" disabled=\"disabled\">--- #{l(:actionview_instancetag_blank_option)} ---</option>" +
+									options_from_collection_for_select(@trackers, 'id', 'name', @target_trackers && @target_trackers.map(&:id)), :multiple => true %><br />
+	<%= l(:label_role) %><br />
+	<%= select_tag 'target_role_ids',
+									"<option value=\"\" disabled=\"disabled\">--- #{l(:actionview_instancetag_blank_option)} ---</option>" +
+									options_from_collection_for_select(@roles, 'id', 'name', @target_roles && @target_roles.map(&:id)), :multiple => true %>
+</p>
+</div>
+<%= submit_tag l(:button_copy) %>
+<% end %>

app/views/workflows/edit.rhtml

@@ -1,6 +1,4 @@
-<div class="contextual">
-<%= link_to l(:field_summary), :action => 'index' %>
-</div>
+<%= render :partial => 'action_menu' %>
 
 <h2><%=l(:label_workflow)%></h2>
 

app/views/workflows/index.rhtml

@@ -1,3 +1,5 @@
+<%= render :partial => 'action_menu' %>
+
 <h2><%=l(:label_workflow)%></h2>
 
 <% if @workflow_counts.empty? %>