BIS-Archiv hinzugefügt

2026-07-22 09:22:22 +00:00 · 2015-02-03 11:14:10 +01:00
parent a6c7c8f32a
commit 3043568aff
5 changed files with 556 additions and 5 deletions
@@ -0,0 +1,233 @@
+<?php
+/* Copyright (C) 2015 Technikum-Wien
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Authors: Nikolaus Krondraf <nikolaus.krondraf@technikum-wien.at>
+ */
+require_once(dirname(__FILE__).'/basis_db.class.php');
+
+class bisarchiv extends basis_db 
+{
+	public $errormsg;
+	public $result;
+
+	// Tabellenspalten
+	public $id;
+	public $studiensemster;
+	public $meldung;
+	public $html;
+	public $studiengang_kz;
+	public $insertamum;
+	public $insertvon;
+	public $typ;
+	
+	/**
+	 * Konstruktor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+	}
+	
+	/**
+	 * Prueft die Variablen auf Gueltigkeit
+	 * @return true wenn ok, false im Fehlerfall
+	 */
+	protected function validate()
+	{
+		if($this->studiensemster == null || mb_strlen($this->studiensemster) > 6)
+		{
+			$this->errormsg = "Studiensemester ist ungueltig";
+			return false;
+		}
+		
+		if($this->meldung == null)
+		{
+			$this->errormsg = "Meldung ist ungueltig";
+			return false;
+		}
+		
+		if(empty($this->typ))
+		{
+			$this->errormsg = "Typ ist ungueltig";
+			return false;
+		}
+		
+		if($this->typ == "studenten")
+		{
+			if(!is_numeric($this->studiengang_kz))
+			{
+				$this->errormsg = "Studiengangkennzahl ist ungueltig";
+				return false;
+			}
+		}
+		else
+		{
+			if(!empty($this->studiengang_kz))
+			{
+				$this->errormsg = "Studiengangkennzahl ist ungueltig";
+				return false;
+			}
+		}
+		
+		if($this->insertvon == null)
+		{
+			$this->errormsg = "Mitarbeiter ist ungueltig";
+			return false;
+		}
+		
+		return true;
+	}
+	
+	/**
+	 * Speichert den aktuellen Datensatz in die Datenbank
+	 * @return true wenn ok, false im Fehlerfall
+	 */
+	public function save()
+	{
+		// abbrechen wenn bereits ein Fehler aufgetreten ist
+		if($this->errormsg != '')
+			return false;
+
+		// Variablen pruefen
+		if(!$this->validate())
+			return false;
+		
+		$qry = "INSERT INTO bis.tbl_archiv (studiensemester, meldung, html, studiengang_kz, insertamum, insertvon, typ) VALUES ("
+			. $this->db_add_param($this->studiensemster) . ","
+			. $this->db_add_param($this->meldung) . ","
+			. $this->db_add_param($this->html) . ","
+			. $this->db_add_param($this->studiengang_kz) . ","
+			. "CURRENT_TIMESTAMP,"
+			. $this->db_add_param($this->insertvon) . ","
+			. $this->db_add_param($this->typ) . ")";
+		
+		if($this->db_query($qry))
+		{
+			return true;
+		}
+		else
+		{
+			$this->errormsg = "Fehler beim Speichern der Daten";
+			return false;
+		}
+	}
+	
+	/**
+	 * Liest die Dateien der Meldung aus
+	 * @return true wenn ok, false im Fehlerfall
+	 */
+	public function readFile($file, $type)
+	{
+		if(strpos($file, '..') !== false || preg_match('/\.(xml|html)$/', $file) === 0)
+		{
+			$this->errormsg = "Datei ungueltig";
+			return false;
+		}
+		
+		$contents = null;
+		
+		if(is_readable($file))
+		{
+			$handle = fopen($file, "r");
+			$contents = fread($handle, filesize($file));
+			fclose($handle);
+		}
+		else
+		{
+			$this->errormsg = "Datei kann nicht gelesen werden";
+			return false;
+		}
+		
+		switch($type)
+		{
+			case 'xml':
+				$this->meldung = $contents;
+				return true;
+			case 'html':
+				$this->html = $contents;
+				return true;
+			default:
+				$this->errormsg = "Typ ist ungueltig";
+				return false;
+		}
+	}
+	
+	/**
+	 * Gibt die BIS-Daten für das gewünschte Semester zurück
+	 * @param $sem Studiensemester
+	 * @return true wenn ok, false im Fehlerfall
+	 */
+	public function getBisData($sem)
+	{
+		$qry = "SELECT id, meldung, html, studiengang_kz, insertamum, typ "
+				. "FROM bis.tbl_archiv "
+				. "WHERE studiensemester = " . $this->db_add_param($sem) . ""
+				. "ORDER BY insertamum DESC";
+		
+		if($this->db_query($qry))
+		{
+			while($row = $this->db_fetch_object())
+			{
+				$this->result[] = $row;
+			}
+			return true;
+		}
+		else 
+		{
+			$this->errormsg = 'Fehler beim Laden der Daten';
+			return false;
+		}
+	}
+	
+	/**
+	 * Lädt die BIS-Meldung mit der angegebenen ID
+	 * @param $id ID der Meldung
+	 * @return true wenn ok, false im Fehlerfall
+	 */
+	public function load($id) 
+	{
+		if(!is_numeric($id))
+		{
+			$this->errormsg = 'ID muss eine gueltige Zahl sein';
+			return false;
+		}
+		
+		$qry = "SELECT id, meldung, html, studiengang_kz, insertamum, typ "
+				. "FROM bis.tbl_archiv "
+				. "WHERE id = " . $this->db_add_param($id);
+		
+		if($this->db_query($qry))
+		{
+			while($row = $this->db_fetch_object())
+			{
+				$this->id = $id;
+				$this->meldung = $row->meldung;
+				$this->html = $row->html;
+				$this->studiengang_kz = $row->studiengang_kz;
+				$this->insertamum = $row->insertamum;
+				$this->typ = $row->typ;
+			}
+			return true;
+		}
+		else 
+		{
+			$this->errormsg = 'Fehler beim Laden der Daten';
+			return false;
+		}
+	}
+	
+}