- possible to read and write user Variables in Codeigniter

- added Variablenname_model, VariableLib, Variables controller - Infocenter Übersicht - infocenterData, infocenterFreigegebenData, infocenterReihungstestAbsolviertData: added possibility of toggle of infocenter_studiensemester variable, only prestudents of selected Studiensemester are shown
2026-07-24 10:22:18 +00:00 · 2019-09-06 17:33:56 +02:00
parent 36ff38b0ee
commit 67415a4707
13 changed files with 485 additions and 26 deletions
@@ -0,0 +1,78 @@
+<?php
+
+class Variablenname_model extends DB_Model
+{
+	// Contains SQL queries retrieving default variable values if no default is set.
+	private $_dynamic_defaults = array(
+		'semester_aktuell' => 'SELECT studiensemester_kurzbz FROM public.tbl_studiensemester WHERE ende>now() ORDER BY start LIMIT 1',
+		'infocenter_studiensemester' => 'SELECT studiensemester_kurzbz FROM (
+										   SELECT DISTINCT ON (studienjahr_kurzbz) start, studiensemester_kurzbz
+										   FROM public.tbl_studiensemester
+										   ORDER BY studienjahr_kurzbz, start
+                                   		) sem
+										WHERE start > now()
+										LIMIT 1;'
+	);
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'public.tbl_variablenname';
+		$this->pk ='name';
+	}
+
+	/**
+	 * Gets defaults for user variables.
+	 * If no default value present in table, SQL can be executed for retrieving the value.
+	 * @param null $names optionally get only defaults for certain variables
+	 * @return array
+	 */
+	public function getDefaults($names = null)
+	{
+		$defaults = array();
+
+		$qry = "SELECT name, defaultwert FROM public.tbl_variablenname";
+
+		if (isset($names) && is_array($names))
+		{
+			$qry .= " WHERE name IN ('".implode(',', $names)."')";
+		}
+		$qry .= ";";
+
+		$defaultsres = $this->execQuery($qry);
+
+		if (hasData($defaultsres))
+		{
+			$defaults = getData($defaultsres);
+
+			foreach ($defaults as $default)
+			{
+				if (!isset($default->defaultwert))
+				{
+					if (isset($this->_dynamic_defaults[$default->name]))
+					{
+						$dyndefault = $this->execQuery($this->_dynamic_defaults[$default->name]);
+						if (hasData($dyndefault))
+						{
+							$dyndefault = getData($dyndefault);
+
+							if (count($dyndefault) === 1)
+							{
+								foreach ($dyndefault[0] as $value)
+								{
+									$default->defaultwert = $value;
+									break;
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+
+		return success($defaults);
+	}
+}