added kontakt verifikation table for saving of kontakt verifikation data, added model for the table

application/models/person/Kontaktverifikation_model.php

@@ -0,0 +1,42 @@
+<?php
+class Kontaktverifikation_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'public.tbl_kontakt_verifikation';
+		$this->pk = 'kontakt_verifikation_id';
+	}
+
+	/**
+	 * Gets contact verification for a person and a verification code
+	 * @param person_id
+	 * @param kontakttyp
+	 * @param verifikation_code
+	 * @param expiration_days number of days after which verifikation code expires
+	 * @return object success or error
+	 */
+	public function getKontaktVerifikation($person_id, $kontakttyp, $verifikation_code, $expiration_days = 1)
+	{
+		$qry = "
+			SELECT
+				kt.kontakt_id,
+				kv.verifikation_code
+			FROM
+				public.tbl_kontakt_verifikation kv
+				JOIN public.tbl_kontakt kt USING(kontakt_id)
+				WHERE kt.person_id = ?
+				AND kt.kontakttyp = ?
+				AND kv.verifikation_code = ?
+				AND kv.erstelldatum >= NOW() - INTERVAL '".$this->escape($expiration_days)." days'
+			ORDER BY
+				kt.kontakt_id DESC
+			LIMIT 1";
+
+		return $this->execQuery($qry, array($person_id, $kontakttyp, $verifikation_code));
+	}
+}