Add subtasks and comments history

app/Model/BaseHistory.php

@@ -0,0 +1,70 @@
+<?php
+
+namespace Model;
+
+use PDO;
+use Core\Template;
+
+/**
+ * Task history model
+ *
+ * @package  model
+ * @author   Frederic Guillot
+ */
+abstract class BaseHistory extends Base
+{
+    /**
+     * SQL table name
+     *
+     * @access protected
+     * @var    string
+     */
+    protected $table = '';
+
+    /**
+     * Remove old event entries to avoid a large table
+     *
+     * @access public
+     * @param  integer    $max    Maximum number of items to keep in the table
+     */
+    public function cleanup($max)
+    {
+        if ($this->db->table($this->table)->count() > $max) {
+
+            $this->db->execute('
+                DELETE FROM '.$this->table.'
+                WHERE id <= (
+                    SELECT id FROM (
+                        SELECT id FROM '.$this->table.' ORDER BY id DESC LIMIT 1 OFFSET '.$max.'
+                    ) foo
+                )');
+        }
+    }
+
+    /**
+     * Get all events for a given project
+     *
+     * @access public
+     * @return array
+     */
+    public function getAllByProjectId($project_id)
+    {
+        return $this->db->table($this->table)
+                        ->eq('project_id', $project_id)
+                        ->desc('id')
+                        ->findAll();
+    }
+
+    /**
+     * Get the event html content
+     *
+     * @access public
+     * @param  array     $params    Event properties
+     * @return string
+     */
+    public function getContent(array $params)
+    {
+        $tpl = new Template;
+        return $tpl->load('event_'.str_replace('.', '_', $params['event_name']), $params);
+    }
+}