Filter refactoring

app/Controller/TaskHelper.php

@@ -2,6 +2,12 @@
 
 namespace Kanboard\Controller;
 
+use Kanboard\Filter\TaskIdExclusionFilter;
+use Kanboard\Filter\TaskIdFilter;
+use Kanboard\Filter\TaskProjectsFilter;
+use Kanboard\Filter\TaskTitleFilter;
+use Kanboard\Formatter\TaskAutoCompleteFormatter;
+
 /**
  * Task Ajax Helper
  *
@@ -11,31 +17,33 @@ namespace Kanboard\Controller;
 class TaskHelper extends Base
 {
     /**
-     * Task autocompletion (Ajax)
+     * Task auto-completion (Ajax)
      *
      * @access public
      */
     public function autocomplete()
     {
         $search = $this->request->getStringParam('term');
-        $projects = $this->projectPermission->getActiveProjectIds($this->userSession->getId());
+        $project_ids = $this->projectPermission->getActiveProjectIds($this->userSession->getId());
+        $exclude_task_id = $this->request->getIntegerParam('exclude_task_id');
 
-        if (empty($projects)) {
+        if (empty($project_ids)) {
             $this->response->json(array());
-        }
-
-        $filter = $this->taskFilterAutoCompleteFormatter
-            ->create()
-            ->filterByProjects($projects)
-            ->excludeTasks(array($this->request->getIntegerParam('exclude_task_id')));
-
-        // Search by task id or by title
-        if (ctype_digit($search)) {
-            $filter->filterById($search);
         } else {
-            $filter->filterByTitle($search);
-        }
 
-        $this->response->json($filter->format());
+            $filter = $this->taskQuery->withFilter(new TaskProjectsFilter($project_ids));
+
+            if (! empty($exclude_task_id)) {
+                $filter->withFilter(new TaskIdExclusionFilter(array($exclude_task_id)));
+            }
+
+            if (ctype_digit($search)) {
+                $filter->withFilter(new TaskIdFilter($search));
+            } else {
+                $filter->withFilter(new TaskTitleFilter($search));
+            }
+
+            $this->response->json($filter->format(new TaskAutoCompleteFormatter($this->container)));
+        }
     }
 }