Feature: Bulk Issues update

app/contexts/issues_bulk_update_context.rb

@@ -0,0 +1,24 @@
+class IssuesBulkUpdateContext < BaseContext
+  def execute
+    update_data = params[:update]
+
+    issues_ids   = update_data[:issues_ids].split(",")
+    milestone_id = update_data[:milestone_id]
+    assignee_id  = update_data[:assignee_id]
+    status       = update_data[:status]
+
+    opts = {} 
+    opts[:milestone_id] = milestone_id if milestone_id.present?
+    opts[:assignee_id] = assignee_id if assignee_id.present?
+    opts[:closed] = (status == "closed") if status.present?
+
+    issues = Issue.where(:id => issues_ids).all
+    issues = issues.select { |issue| can?(current_user, :modify_issue, issue) }
+    issues.each { |issue| issue.update_attributes(opts) }
+    { 
+      :count => issues.count,
+      :success => !issues.count.zero?
+    }
+  end
+end
+