Filter refactoring

app/Formatter/BoardFormatter.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace Kanboard\Formatter;
+
+use Kanboard\Core\Filter\FormatterInterface;
+use Kanboard\Model\Task;
+
+/**
+ * Board Formatter
+ *
+ * @package formatter
+ * @author  Frederic Guillot
+ */
+class BoardFormatter extends BaseFormatter implements FormatterInterface
+{
+    /**
+     * Project id
+     *
+     * @access protected
+     * @var integer
+     */
+    protected $projectId;
+
+    /**
+     * Set ProjectId
+     *
+     * @access public
+     * @param  integer $projectId
+     * @return $this
+     */
+    public function setProjectId($projectId)
+    {
+        $this->projectId = $projectId;
+        return $this;
+    }
+
+    /**
+     * Apply formatter
+     *
+     * @access public
+     * @return array
+     */
+    public function format()
+    {
+        $tasks = $this->query
+            ->eq(Task::TABLE.'.project_id', $this->projectId)
+            ->asc(Task::TABLE.'.position')
+            ->findAll();
+
+        return $this->board->getBoard($this->projectId, function ($project_id, $column_id, $swimlane_id) use ($tasks) {
+            return array_filter($tasks, function (array $task) use ($column_id, $swimlane_id) {
+                return $task['column_id'] == $column_id && $task['swimlane_id'] == $swimlane_id;
+            });
+        });
+    }
+}