Added new Logging System for Persons

Added a Wrapper to call CI functions from outside Codeigniter

application/models/system/PersonLog_model.php

@@ -0,0 +1,61 @@
+<?php
+/**
+ * PersonLog Extends from CI_Model instead of DB_Model
+ * to be able to write Log without a loggedin User!
+ */
+class PersonLog_model extends CI_Model
+{
+	private $dbTable;
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->load->database();
+
+		$this->dbTable = 'system.tbl_log';
+	}
+
+	/**
+	 * Inserts a Log for a Person
+	 * @param array $data Data of Log Entry to save.
+	 * @return success object if true
+	 */
+	public function insert($data)
+	{
+		$result = $this->db->insert($this->dbTable, $data);
+		if ($result)
+			return success($this->db->insert_id());
+		else
+			return error();
+	}
+
+	/**
+	 * Loads the last Log Entry of a Person
+	 * @param int $person_id ID of the Person.
+	 * @param string $app Name of the App.
+	 * @param string $oe_kurzbz Organisations Unit.
+	 * @return object $result
+	 */
+	public function getLastLog($person_id, $app = null, $oe_kurzbz = null)
+	{
+		// Check Permissions
+		$this->load->library('PermissionLib');
+		if(!$this->permissionlib->isEntitled('system.tbl_log',PermissionLib::SELECT_RIGHT))
+			show_error('Permission denied - You need Access to system.tbl_log');
+
+		$this->db->order_by('zeitpunkt', 'DESC');
+		$this->db->order_by('log_id', 'DESC');
+		$this->db->limit(1);
+		if (!is_null($app))
+			$this->db->where('app='.$this->db->escape($app));
+		if (!is_null($oe_kurzbz))
+			$this->db->where('oe_kurzbz='.$this->db->escape($oe_kurzbz));
+
+		$result = $this->db->get_where($this->dbTable, "person_id=".$this->db->escape($person_id));
+
+		return success($result->result());
+	}
+}