Bulk edit workflows for multiple trackers/roles (#16164).

git-svn-id: http://svn.redmine.org/redmine/trunk@12924 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/workflow_transition.rb

@@ -36,4 +36,69 @@ class WorkflowTransition < WorkflowRule
 
     result
   end
+
+  def self.replace_transitions(trackers, roles, transitions)
+    trackers = Array.wrap trackers
+    roles = Array.wrap roles
+
+    transaction do
+      records = WorkflowTransition.where(:tracker_id => trackers.map(&:id), :role_id => roles.map(&:id)).all
+
+      transitions.each do |old_status_id, transitions_by_new_status|
+        transitions_by_new_status.each do |new_status_id, transition_by_rule|
+          transition_by_rule.each do |rule, transition|
+            trackers.each do |tracker|
+              roles.each do |role|
+                w = records.select {|r|
+                  r.old_status_id == old_status_id.to_i &&
+                  r.new_status_id == new_status_id.to_i &&
+                  r.tracker_id == tracker.id &&
+                  r.role_id == role.id &&
+                  !r.destroyed?
+                }
+
+                if rule == 'always'
+                  w = w.select {|r| !r.author && !r.assignee}
+                else
+                  w = w.select {|r| r.author || r.assignee}
+                end
+                if w.size > 1
+                  w[1..-1].each(&:destroy)
+                end
+                w = w.first
+
+                if transition == "1" || transition == true
+                  unless w
+                    w = WorkflowTransition.new(:old_status_id => old_status_id, :new_status_id => new_status_id, :tracker_id => tracker.id, :role_id => role.id)
+                    records << w
+                  end
+                  w.author = true if rule == "author"
+                  w.assignee = true if rule == "assignee"
+                  w.save if w.changed?
+                elsif w
+                  if rule == 'always'
+                    w.destroy
+                  elsif rule == 'author'
+                    if w.assignee
+                      w.author = false
+                      w.save if w.changed?
+                    else
+                      w.destroy
+                    end
+                  elsif rule == 'assignee'
+                    if w.author
+                      w.assignee = false
+                      w.save if w.changed?
+                    else
+                      w.destroy
+                    end
+                  end
+                end
+              end
+            end
+          end
+        end
+      end
+    end
+  end
 end