fixes #2418 (includes hiding deleted dmails and allowing filtering on user name)

app/controllers/maintenance/user/dmail_filters_controller.rb

@@ -0,0 +1,29 @@
+module Maintenance
+  module User
+    class DmailFiltersController < ApplicationController
+      before_filter :ensure_ownership
+      before_filter :member_only
+
+      def edit
+        @dmail_filter = CurrentUser.dmail_filter || DmailFilter.new
+      end
+
+      def update
+        @dmail_filter = CurrentUser.dmail_filter || DmailFilter.new
+        @dmail_filter.update_attributes(params[:dmail_filter])
+        flash[:notice] = "Filter updated"
+        redirect_to(dmail_path(@dmail.id))
+      end
+
+    private
+
+      def ensure_ownership
+        @dmail = Dmail.find(params[:dmail_id])
+
+        if @dmail.owner_id != CurrentUser.user.id
+          raise User::PrivilegeError.new
+        end
+      end
+    end
+  end
+end