Filter refactoring

app/Filter/TaskTitleFilter.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Kanboard\Filter;
+
+use Kanboard\Core\Filter\FilterInterface;
+use Kanboard\Model\Task;
+
+/**
+ * Filter tasks by title
+ *
+ * @package filter
+ * @author  Frederic Guillot
+ */
+class TaskTitleFilter extends BaseFilter implements FilterInterface
+{
+    /**
+     * Get search attribute
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getAttributes()
+    {
+        return array('title');
+    }
+
+    /**
+     * Apply filter
+     *
+     * @access public
+     * @return FilterInterface
+     */
+    public function apply()
+    {
+        if (ctype_digit($this->value) || (strlen($this->value) > 1 && $this->value{0} === '#' && ctype_digit(substr($this->value, 1)))) {
+            $this->query->beginOr();
+            $this->query->eq(Task::TABLE.'.id', str_replace('#', '', $this->value));
+            $this->query->ilike(Task::TABLE.'.title', '%'.$this->value.'%');
+            $this->query->closeOr();
+        } else {
+            $this->query->ilike(Task::TABLE.'.title', '%'.$this->value.'%');
+        }
+
+        return $this;
+    }
+}