1 files changed, 180 insertions, 0 deletions
diff --git a/admin/survey/classes/class.SurveySession.php b/admin/survey/classes/class.SurveySession.php
new file mode 100644
index 0000000..390c0e2
--- /dev/null
+++ b/admin/survey/classes/class.SurveySession.php
@@ -0,0 +1,180 @@
+<?php 
+/** Shranjujemo nastavitve ankete. Za vsako anketo unikatno.
+ * 
+ * @author veselicg
+ *
+ */
+
+/** Ker za statičen klas ne moremo narediti destructor funkcije,
+ *  si pomagamo s lastno destruktor instanco, 
+ *  katera pokliče destruct funkcijo našega statičnega razreda
+ * 
+ * @author veselicg
+ *
+ */
+class SurveySessionDestructor
+{
+	/** pokličemo destruktor funkcijo
+ 	 * 
+	 */
+	public function __destruct()
+	{
+		SurveySession::destruct();
+	}
+}
+
+class SurveySession {
+	
+	private static $destructorInstance;
+	private static $anketa = null;
+	private static $data = array();
+	private static $updated = false;
+	
+	
+	static function sessionStart($anketa = null) {
+		if (null === self::$destructorInstance)
+			self::$destructorInstance = new SurveySessionDestructor();
+		
+		if ($anketa == null || (int)$anketa == 0 || !is_numeric($anketa)) 
+		{
+			throw new Exception('Survey ID is mandatory for SurveySession!');
+		}
+		self::$anketa = $anketa;
+		
+		# preberemo vse nastavitve za to anketo
+		$sql = sisplet_query("SELECT what,value FROM srv_survey_session WHERE ank_id='".self::$anketa."'");
+		while (list($what,$value) = mysqli_fetch_row($sql)) 
+		{
+			self::$data[$what] = unserialize($value); 
+		}
+	}
+
+	static function get($what=null) {
+		if (self::$anketa == null) 
+		{
+			throw new Exception('Survey ID is mandatory for SurveySession!');
+			return null;
+		}
+		
+		if ($what == null) 
+		{
+			return self::$data;
+		} 
+		else if (isset(self::$data[$what])) 
+		{
+			return self::$data[$what];
+		} 
+		else
+		{
+			return null;
+		} 
+		return null;
+	}
+	
+	static function set($what,$value) {
+		if (self::$anketa == null)
+		{
+			throw new Exception('Survey ID is mandatory for SurveySession!');
+			return null;
+		}
+		if ($what == null) 
+		{
+			throw new Exception('Variable \'what\' is mandatory for SurveySession!');
+			return null;
+		}
+		if (!is_string($what)) 
+		{
+			throw new Exception('Variable \'what\' must be string!');
+			return null;
+		}
+		
+		# če je vse ok setiramo vrednost
+		self::$data[$what] = $value;
+		self::$updated = true;
+		
+		return true;
+	}
+	
+	static public function remove($what)
+	{
+		if (self::$anketa == null)
+		{
+			throw new Exception('Survey ID is mandatory for SurveySession!');
+			return null;
+		}
+		if ($what == null) 
+		{
+			throw new Exception('Variable \'what\' is mandatory for remove()!');
+			return null;
+		}
+		if (!is_string($what)) 
+		{
+			throw new Exception('Variable \'what\' must be string!');
+			return null;
+		}
+		
+		if (isset(self::$data[$what])) {
+			unset (self::$data[$what]);
+			
+			#pobrišemo še iz baze
+			$deleteString = "DELETE FROM srv_survey_session WHERE ank_id = '".self::$anketa."' AND what='$what'";
+			$query = sisplet_query($deleteString);
+			self::$updated = true;
+		}
+		return null;
+	}
+	
+	/** ob ukinitvi klassa shranimo vse vrednosti
+	 * 
+	 */
+	static public function destruct()
+	{
+		if (self::$anketa == null)
+		{
+			throw new Exception('Survey ID is mandatory for SurveySession!');
+			return null;
+		}
+		
+		// v destructu več nimamo connect_db resoursa
+		global $connect_db;
+		if ($connect_db == null) {
+			// poizkusimo še 1x
+			global $mysql_server, $mysql_username, $mysql_password, $mysql_database_name;
+			if (!$connect_db = mysqli_connect($mysql_server, $mysql_username, $mysql_password, $mysql_database_name)) {
+				die ('Please try again later [ERR: DB])');
+			}
+		}		
+		
+		# pripravimo string za shranjevanje
+		if (count(self::$data) > 0 && self::$updated) {
+			$insertStringArray = array();
+			foreach (self::$data AS $what => $value) {
+				$insertStringArray[] = "('".self::$anketa."', '".$what."', '".serialize($value)."')";
+			}
+			$insertString = "INSERT INTO srv_survey_session (ank_id,what,value) VALUES ".implode(', ',$insertStringArray);
+			$insertString .=" ON DUPLICATE KEY UPDATE value = VALUES(value)";
+			$query = sisplet_query($insertString, $connect_db);
+		}
+	}
+	
+	static function append($where,$what,$value)
+	{
+		if (self::$anketa == null)
+		{
+			throw new Exception('Survey ID is mandatory for SurveySession!');
+			return null;
+		}
+		if ($what == null)
+		{
+			throw new Exception('Variable \'what\' is mandatory for remove()!');
+			return null;
+		}
+		if (!is_string($what))
+		{
+			throw new Exception('Variable \'what\' must be string!');
+			return null;
+		}
+		self::$updated = true;
+		self::$data[$where][$what] = $value; 
+	}
+}
+\ No newline at end of file