From ad956bef8ebb56a1eb418387d11fa4eee8362f03 Mon Sep 17 00:00:00 2001
From: SimonGschnell <simongschnell@gmail.com>
Date: Fri, 12 Apr 2024 14:38:01 +0200
Subject: [PATCH 1/9] adds pagination logic to C4 news

---
 application/controllers/CisHmvc/Cms.php   |  7 ++-
 application/controllers/CisHtml/Cms.php   |  8 ++-
 application/controllers/CisVue/Cms.php    |  7 ++-
 application/libraries/CmsLib.php          | 36 ++++++-------
 application/models/content/News_model.php | 66 +++++++++++++----------
 5 files changed, 70 insertions(+), 54 deletions(-)

diff --git a/application/controllers/CisHmvc/Cms.php b/application/controllers/CisHmvc/Cms.php
index 7f2a03a0f..d15f398a4 100644
--- a/application/controllers/CisHmvc/Cms.php
+++ b/application/controllers/CisHmvc/Cms.php
@@ -1,6 +1,7 @@
 <?php
 
-if (! defined('BASEPATH')) exit('No direct script access allowed');
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
 
 /**
  *
@@ -89,7 +90,9 @@ class Cms extends Auth_Controller
 	 */
 	public function news($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true)
 	{
-		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar);
+		$page = intval($this->input->get('page', true));
+		$pagination_size = 10;
+		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar, $page, $pagination_size);
 
 		if (isError($news))
 			return $this->load->view('CisHmvc/Error', ['error' => getError($news)]);
diff --git a/application/controllers/CisHtml/Cms.php b/application/controllers/CisHtml/Cms.php
index 96057559f..2dd05dbae 100644
--- a/application/controllers/CisHtml/Cms.php
+++ b/application/controllers/CisHtml/Cms.php
@@ -1,6 +1,7 @@
 <?php
 
-if (! defined('BASEPATH')) exit('No direct script access allowed');
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
 
 /**
  *
@@ -10,6 +11,7 @@ class Cms extends FHC_Controller
 	/**
 	 * Constructor
 	 */
+
 	public function __construct()
 	{
 		parent::__construct();
@@ -59,7 +61,9 @@ class Cms extends FHC_Controller
 	 */
 	public function news($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true)
 	{
-		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar);
+		$page = intval($this->input->get('page', true));
+		$pagination_size = 10;
+		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar, $page, $pagination_size);
 
 		if (isError($news))
 			return $this->load->view('CisHtml/Error', ['error' => getError($news)]);
diff --git a/application/controllers/CisVue/Cms.php b/application/controllers/CisVue/Cms.php
index 96057559f..0f3fc061a 100644
--- a/application/controllers/CisVue/Cms.php
+++ b/application/controllers/CisVue/Cms.php
@@ -1,6 +1,7 @@
 <?php
 
-if (! defined('BASEPATH')) exit('No direct script access allowed');
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
 
 /**
  *
@@ -59,7 +60,9 @@ class Cms extends FHC_Controller
 	 */
 	public function news($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true)
 	{
-		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar);
+		$page = intval($this->input->get('page', true));
+		$pagination_size = 10;
+		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar, $page, $pagination_size);
 
 		if (isError($news))
 			return $this->load->view('CisHtml/Error', ['error' => getError($news)]);
diff --git a/application/libraries/CmsLib.php b/application/libraries/CmsLib.php
index 4e27b94af..dfe8d5e4f 100644
--- a/application/libraries/CmsLib.php
+++ b/application/libraries/CmsLib.php
@@ -1,6 +1,7 @@
 <?php
 
-if (! defined('BASEPATH')) exit('No direct script access allowed');
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
 
 use \DateTime as DateTime;
 use \DOMDocument as DOMDocument;
@@ -46,16 +47,16 @@ class CmsLib
 	 */
 	public function getContent($content_id, $version = null, $sprache = null, $sichtbar = true)
 	{
-		if(!is_numeric($content_id))
+		if (!is_numeric($content_id))
 			return error('ContentID ist ungueltig');
 
 		if ($sprache === null)
 			$sprache = getUserLanguage();
-		
+
 		$islocked = $this->ci->ContentgruppeModel->loadWhere(['content_id' => $content_id]);
 		if (isError($islocked))
 			return $islocked;
-		
+
 		if (getData($islocked)) {
 			$uid = getAuthUID();
 			$isberechtigt = $this->ci->ContentgruppeModel->berechtigt($content_id, $uid);
@@ -72,11 +73,9 @@ class CmsLib
 			return $content;
 
 		// Legt einen Logeintrag für die Klickstatistik an
-		if (defined('LOG_CONTENT') && LOG_CONTENT)
-		{
+		if (defined('LOG_CONTENT') && LOG_CONTENT) {
 			// Nur eingeloggte User werden geloggt, das sonst auch alle Infoscreenaufrufe und dgl. mitgeloggt werden
-			if (isLogged())
-			{
+			if (isLogged()) {
 				$request_data = 'content_id=' . $content_id;
 				if ($version !== null)
 					$request_data .= '&version=' . $version;
@@ -185,13 +184,12 @@ class CmsLib
 	 * 
 	 * @return void
 	 */
-	public function getNews($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true)
+	public function getNews($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true, $page = 1, $page_size = 10)
 	{
 		$this->ci->load->model('crm/Student_model', 'StudentModel');
 		$this->ci->load->model('organisation/Studiengang_model', 'StudiengangModel');
 
-		if (!$infoscreen && ($studiengang_kz === null || $semester === null))
-		{
+		if (!$infoscreen && ($studiengang_kz === null || $semester === null)) {
 			//Zum anzeigen der Studiengang-Details neben den News
 			$student = $this->ci->StudentModel->loadWhere(['student_uid' => get_uid()]);
 			if (isError($student))
@@ -209,7 +207,7 @@ class CmsLib
 		$xml = '<?xml version="1.0" encoding="UTF-8"?><content>';
 
 		$this->ci->load->model('content/News_model', 'NewsModel');
-		$news = $this->ci->NewsModel->getNewsWithContent(getSprache(), $studiengang_kz, $semester, null, $sichtbar, 0, 0, $all, $mischen);
+		$news = $this->ci->NewsModel->getNewsWithContent(getSprache(), $studiengang_kz, $semester, null, $sichtbar, 0, $page, $page_size, $all, $mischen);
 
 		if (isError($news))
 			return $news;
@@ -225,17 +223,14 @@ class CmsLib
 			$xml .= "<newswrapper>" . $newsobj->content . $datum . $id . "</newswrapper>";
 		}
 
-		if ($studiengang_kz != 0)
-		{
+		if ($studiengang_kz != 0) {
 			$stg_obj = $this->ci->StudiengangModel->load($studiengang_kz);
 			if (isError($stg_obj))
 				return $stg_obj;
 			$stg_obj = current(getData($stg_obj) ?: []);
 
-			if ($stg_obj)
-			{
-				if (!$edit && !$infoscreen)
-				{
+			if ($stg_obj) {
+				if (!$edit && !$infoscreen) {
 					$extras = $this->getNewsExtras($stg_obj, $semester);
 					if (isError($extras))
 						return $extras;
@@ -245,8 +240,7 @@ class CmsLib
 			}
 		}
 
-		if ($titel != '')
-		{
+		if ($titel != '') {
 			$xml .= '<news_titel>' . $titel . '</news_titel>';
 		}
 
@@ -260,7 +254,7 @@ class CmsLib
 
 		$XML = new DOMDocument();
 		$XML->loadXML($xml);
-		
+
 		$xsltemplate = new DOMDocument();
 		$xsltemplate->loadXML($template->xslt_xhtml_c4);
 
diff --git a/application/models/content/News_model.php b/application/models/content/News_model.php
index 3199a0ac3..51ef16053 100644
--- a/application/models/content/News_model.php
+++ b/application/models/content/News_model.php
@@ -23,10 +23,21 @@ class News_model extends DB_Model
 			text IS NOT NULL
 			AND datum <= NOW() AND (datum_bis IS NULL OR datum_bis >= now()::date)
 			ORDER BY datum DESC
-			LIMIT '. $this->escape($limit)
+			LIMIT ' . $this->escape($limit)
 		);
 	}
 
+	private function getMaxPageCount($page_size)
+	{
+		$this->addSelect(['Count(*)']);
+		$count = $this->load();
+		$count = hasData($count) ? getData($count)[0]->count : null;
+		$floatMaxPageCount = $count / $page_size;
+
+		// ceil, to include remaining rows into the last page 
+		return ceil($floatMaxPageCount);
+	}
+
 	/**
 	 * @param string            $sprache
 	 * @param string            $studiengang_kz
@@ -34,7 +45,7 @@ class News_model extends DB_Model
 	 * @param string            $fachbereich_kurzbz
 	 * @param boolean           $sichtbar
 	 * @param integer           $maxalter
-	 * @param integer           $maxnews
+	 * @param integer           $page_size
 	 * @param boolean           $all
 	 * @param boolean           $mischen
 	 * 
@@ -42,46 +53,52 @@ class News_model extends DB_Model
 	 * 
 	 * @return stdObj
 	 */
-	public function getNewsWithContent($sprache, $studiengang_kz, $semester, $fachbereich_kurzbz = null, $sichtbar = true, $maxalter = 0, $maxnews = 0, $all = false, $mischen = true)
+	public function getNewsWithContent($sprache, $studiengang_kz, $semester, $fachbereich_kurzbz = null, $sichtbar = true, $maxalter = 0, $page = 1, $page_size = 10, $all = false, $mischen = true)
 	{
+		if (isset($page) && is_numeric($page) && isset($page_size) && is_numeric($page_size)) {
+			if ($page > 0 && $page_size > 0) {
+				$maxPageCount = $this->getMaxPageCount($page_size);
+				if ($maxPageCount) {
+					$page = $page % $maxPageCount;
+				}
+				$offset = $page * $page_size;
+				$this->addLimit($page_size, $offset);
+			}
+		} else {
+			$this->addLimit($page_size);
+		}
+
+		$this->addOrder('datum', 'DESC');
+
 		$studiengang_kz = trim($studiengang_kz);
 		$fachbereich_kurzbz = trim($fachbereich_kurzbz);
 
 		$where = [];
 		$params = [];
-		if (trim($maxalter) != '0')
-		{
+		if (trim($maxalter) != '0') {
 			$where[] = "(now()-datum) < interval ? days";
 			$params[] = $maxalter;
 		}
-		if (!$all)
-		{
+		if (!$all) {
 			$where[] = "datum <= now()";
 			$where[] = "(datum_bis >= now()::date OR datum_bis IS NULL)";
 		}
-		if ($fachbereich_kurzbz != '*')
-		{
-			if ($fachbereich_kurzbz == '')
-			{
+		if ($fachbereich_kurzbz != '*') {
+			if ($fachbereich_kurzbz == '') {
 				$where[] = "fachbereich_kurzbz IS NULL";
-			}
-			else
-			{
+			} else {
 				$where[] = "fachbereich_kurzbz = ?";
 				$params[] = $fachbereich_kurzbz;
 			}
 		}
-		if ($studiengang_kz == '0')
-		{
+		if ($studiengang_kz == '0') {
 			$where[] = "studiengang_kz = ?";
 			$params[] = $studiengang_kz;
 			if ($semester === NULL)
 				$where[] = "semester IS NULL";
 			elseif ($semester === 0)
 				$where[] = "semester = 0";
-		}
-		elseif ($studiengang_kz != '')
-		{
+		} elseif ($studiengang_kz != '') {
 			$add = $mischen === true ? " OR (studiengang_kz = 0 AND semester IS NULL)" : "";
 			$where[] = "((studiengang_kz = ? AND semester = ?) OR (studiengang_kz = ? AND semester = 0) OR (studiengang_kz = 0 AND semester = ?)" . $add . ")";
 			$params[] = $studiengang_kz;
@@ -90,14 +107,14 @@ class News_model extends DB_Model
 			$params[] = $semester;
 		}
 		$this->addJoin('campus.tbl_contentsprache cs', 'content_id');
-		
+
 		$where[] = "cs.sichtbar = " . ($sichtbar ? "true" : "false");
-		
+
 		$where[] = "cs.sprache = (CASE WHEN EXISTS(SELECT 1 FROM campus.tbl_contentsprache cs2 WHERE cs2.content_id=" . $this->dbTable . ".content_id AND sprache=?) THEN ? ELSE ? END)";
 		$params[] = $sprache;
 		$params[] = $sprache;
 		$params[] = DEFAULT_LANGUAGE;
-		
+
 		$where[] = "cs.version = (SELECT MAX(version) FROM campus.tbl_contentsprache cs3 WHERE cs3.content_id=" . $this->dbTable . ".content_id AND cs3.sprache = (CASE WHEN EXISTS(SELECT 1 FROM campus.tbl_contentsprache cs2 WHERE cs2.content_id=" . $this->dbTable . ".content_id AND sprache=?) THEN ? ELSE ? END))";
 		$params[] = $sprache;
 		$params[] = $sprache;
@@ -105,11 +122,6 @@ class News_model extends DB_Model
 
 		$where = implode(" AND ", $where);
 
-		$this->addOrder('datum', 'DESC');
-		if ($maxnews)
-			$this->addLimit($maxnews);
-
-
 		$this->db->where($where, NULL, FALSE);
 
 		$sql = $this->db->get_compiled_select($this->dbTable);

From d77499b73b3f8f709b578ca2e9935b7699ff627a Mon Sep 17 00:00:00 2001
From: SimonGschnell <simongschnell@gmail.com>
Date: Mon, 15 Apr 2024 13:35:33 +0200
Subject: [PATCH 2/9] implementing frontend pagination for components

---
 application/controllers/CisHtml/Cms.php       | 13 +++--
 application/models/content/News_model.php     | 16 +++---
 application/views/CisHtml/Cms/Content.php     |  7 +--
 public/js/apps/Cis/Cms.js                     | 54 ++++++++++++-------
 public/js/apps/api/cms.js                     | 14 +++++
 public/js/apps/api/fhcapifactory.js           |  4 +-
 public/js/components/Cis/Cms/Content.js       | 28 ++++++++++
 public/js/components/Pagination/Pagination.js | 26 +++++++++
 8 files changed, 128 insertions(+), 34 deletions(-)
 create mode 100644 public/js/apps/api/cms.js
 create mode 100644 public/js/components/Cis/Cms/Content.js
 create mode 100644 public/js/components/Pagination/Pagination.js

diff --git a/application/controllers/CisHtml/Cms.php b/application/controllers/CisHtml/Cms.php
index 2dd05dbae..4cca6bc38 100644
--- a/application/controllers/CisHtml/Cms.php
+++ b/application/controllers/CisHtml/Cms.php
@@ -60,14 +60,19 @@ class Cms extends FHC_Controller
 	 * @return void
 	 */
 	public function news($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true)
+	{
+		$this->load->view('CisHtml/Cms/Content', ['infoscreen' => $infoscreen, 'studiengang_kz' => $studiengang_kz, 'semester' => $semester, 'mischen' => $mischen, 'titel' => $titel, 'edit' => $edit, 'sichtbar' => $sichtbar]);
+	}
+
+	public function getNews($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true)
 	{
 		$page = intval($this->input->get('page', true));
 		$pagination_size = 10;
 		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar, $page, $pagination_size);
 
-		if (isError($news))
-			return $this->load->view('CisHtml/Error', ['error' => getError($news)]);
-
-		$this->load->view('CisHtml/Cms/Content', ['content' => getData($news)]);
+		if (isError($news)) {
+			echo json_encode(getError($news));
+		}
+		echo json_encode(getData($news));
 	}
 }
diff --git a/application/models/content/News_model.php b/application/models/content/News_model.php
index 51ef16053..88d97bd09 100644
--- a/application/models/content/News_model.php
+++ b/application/models/content/News_model.php
@@ -55,15 +55,15 @@ class News_model extends DB_Model
 	 */
 	public function getNewsWithContent($sprache, $studiengang_kz, $semester, $fachbereich_kurzbz = null, $sichtbar = true, $maxalter = 0, $page = 1, $page_size = 10, $all = false, $mischen = true)
 	{
-		if (isset($page) && is_numeric($page) && isset($page_size) && is_numeric($page_size)) {
-			if ($page > 0 && $page_size > 0) {
-				$maxPageCount = $this->getMaxPageCount($page_size);
-				if ($maxPageCount) {
-					$page = $page % $maxPageCount;
-				}
-				$offset = $page * $page_size;
-				$this->addLimit($page_size, $offset);
+		if (isset($page) && is_numeric($page) && isset($page_size) && is_numeric($page_size) && $page > 0 && $page_size > 0) {
+
+			$maxPageCount = $this->getMaxPageCount($page_size);
+			if ($maxPageCount) {
+				$page = $page % $maxPageCount;
 			}
+			$offset = $page * $page_size;
+			$this->addLimit($page_size, $offset);
+
 		} else {
 			$this->addLimit($page_size);
 		}
diff --git a/application/views/CisHtml/Cms/Content.php b/application/views/CisHtml/Cms/Content.php
index e750ea5a5..a27128d23 100644
--- a/application/views/CisHtml/Cms/Content.php
+++ b/application/views/CisHtml/Cms/Content.php
@@ -1,5 +1,6 @@
 <?php
 $includesArray = array(
+	'primevue3' => true,
 	'customJSModules' => ['public/js/apps/Cis/Cms.js'],
 	'customCSSs' => [
 		'public/css/Cis4/Cms.css',
@@ -11,8 +12,8 @@ $this->load->view('templates/CISHTML-Header', $includesArray);
 ?>
 
 <div id="cms">
-	<?= $content; ?>
+	<content />
+
 </div>
 
-<?php $this->load->view('templates/CISHTML-Footer', $includesArray); ?>
-
+<?php $this->load->view('templates/CISHTML-Footer', $includesArray); ?>
\ No newline at end of file
diff --git a/public/js/apps/Cis/Cms.js b/public/js/apps/Cis/Cms.js
index 8f006ec27..cd2b5f6e9 100644
--- a/public/js/apps/Cis/Cms.js
+++ b/public/js/apps/Cis/Cms.js
@@ -1,20 +1,38 @@
 import BsConfirm from "../../components/Bootstrap/Confirm.js";
+//import Pagination from "../../components/Pagination/Pagination.js";
+import Content from "../../components/Cis/Cms/Content.js";
+import Fhcapi from "../api/fhcapifactory.js";
 
-Vue.createApp({
-	mounted() {
-		document.querySelectorAll('#cms [data-confirm]').forEach(el => {
-			el.addEventListener('click', evt => {
-				evt.preventDefault();
-				BsConfirm.popup(el.dataset.confirm).then(() => {
-					Axios.get(el.href).then(res => {
-						// TODO(chris): check for success then show message and/or reload
-						location = location;
-					}).catch(err => console.error('ERROR:', err));
-				}).catch(()=>{});
-			});
-		});
-		document.querySelectorAll('#cms [data-href]').forEach(el => {
-			el.href = el.dataset.href.replace(/^ROOT\//, FHC_JS_DATA_STORAGE_OBJECT.app_root);
-		});
-	}
-}).mount('#cms [data-confirm], #cms [data-href]');
+Vue.$fhcapi = Fhcapi;
+
+const app = Vue.createApp({
+  components: {
+    Content,
+  },
+  mounted() {
+    document.querySelectorAll("#cms [data-confirm]").forEach((el) => {
+      el.addEventListener("click", (evt) => {
+        evt.preventDefault();
+        BsConfirm.popup(el.dataset.confirm)
+          .then(() => {
+            Axios.get(el.href)
+              .then((res) => {
+                // TODO(chris): check for success then show message and/or reload
+                location = location;
+              })
+              .catch((err) => console.error("ERROR:", err));
+          })
+          .catch(() => {});
+      });
+    });
+    document.querySelectorAll("#cms [data-href]").forEach((el) => {
+      el.href = el.dataset.href.replace(
+        /^ROOT\//,
+        FHC_JS_DATA_STORAGE_OBJECT.app_root
+      );
+    });
+  },
+});
+app.use(primevue.config.default, { zIndex: { overlay: 9999 } });
+app.mount("#cms");
+//#cms [data-confirm], #cms [data-href]
diff --git a/public/js/apps/api/cms.js b/public/js/apps/api/cms.js
new file mode 100644
index 000000000..8ad2f1f32
--- /dev/null
+++ b/public/js/apps/api/cms.js
@@ -0,0 +1,14 @@
+export default {
+  getNews: function (page = 1, pageSize = 10) {
+    const url =
+      FHC_JS_DATA_STORAGE_OBJECT.app_root +
+      FHC_JS_DATA_STORAGE_OBJECT.ci_router +
+      "/CisHtml/Cms/getNews";
+    return axios.get(url, {
+      params: {
+        page,
+        pageSize,
+      },
+    });
+  },
+};
diff --git a/public/js/apps/api/fhcapifactory.js b/public/js/apps/api/fhcapifactory.js
index c1f1e0d5c..35120779f 100644
--- a/public/js/apps/api/fhcapifactory.js
+++ b/public/js/apps/api/fhcapifactory.js
@@ -1,5 +1,7 @@
 import Search from "./search.js";
+import Cms from "./cms.js";
 
 export default {
-    "Search": Search
+    "Search": Search,
+    "Cms": Cms,
 };
diff --git a/public/js/components/Cis/Cms/Content.js b/public/js/components/Cis/Cms/Content.js
new file mode 100644
index 000000000..415743e85
--- /dev/null
+++ b/public/js/components/Cis/Cms/Content.js
@@ -0,0 +1,28 @@
+import Pagination from "../../Pagination/Pagination.js";
+
+export default {
+  components: {
+    Pagination,
+  },
+  data() {
+    return {
+      content: null,
+    };
+  },
+  methods: {
+    loadNewPageContent: function (data) {
+      Vue.$fhcapi.Cms.getNews(data.page).then((result) => {
+        this.content = result.data;
+      });
+    },
+  },
+  created() {
+    Vue.$fhcapi.Cms.getNews().then((result) => {
+      this.content = result.data;
+    });
+  },
+  template: /*html*/ `
+    <pagination @page="loadNewPageContent">
+    <div v-html="content"></div>
+    </pagination>`,
+};
diff --git a/public/js/components/Pagination/Pagination.js b/public/js/components/Pagination/Pagination.js
new file mode 100644
index 000000000..0222a0dfa
--- /dev/null
+++ b/public/js/components/Pagination/Pagination.js
@@ -0,0 +1,26 @@
+export default {
+  components: {
+    paginator: primevue.paginator,
+  },
+  data() {
+    return {};
+  },
+  methods: {
+    newPageEvent: function (data) {
+      //console.log("hier", data.page);
+    },
+  },
+  mounted() {
+    console.log("pagination mounted");
+  },
+  template: /*html*/ `
+    
+  
+    <paginator @page="(page)=>$emit('page',{...page, page:page.page+1})" :rows="1"  :totalRecords="120" ></paginator>
+    <slot>
+    NO CONTENT WAS PROVIDED
+    </slot>
+    <paginator :rows="10" :totalRecords="120" :rowsPerPageOptions="[10, 20, 30]"></paginator>
+
+  `,
+};

From 6c642f124215bee8aa85e373f83343fdf0b797b8 Mon Sep 17 00:00:00 2001
From: SimonGschnell <simongschnell@gmail.com>
Date: Wed, 17 Apr 2024 14:23:09 +0200
Subject: [PATCH 3/9] changes how the pagination is done in the DB_Model

---
 application/controllers/CisHtml/Cms.php       | 33 ++++++++++++-
 application/core/DB_Model.php                 | 46 ++++++++++++++++++-
 application/libraries/CmsLib.php              |  1 +
 application/models/content/News_model.php     | 42 ++++++++---------
 public/js/apps/api/cms.js                     | 11 ++++-
 public/js/components/Cis/Cms/Content.js       |  8 +++-
 public/js/components/Pagination/Pagination.js | 12 +++--
 7 files changed, 120 insertions(+), 33 deletions(-)

diff --git a/application/controllers/CisHtml/Cms.php b/application/controllers/CisHtml/Cms.php
index 4cca6bc38..d15b4fabc 100644
--- a/application/controllers/CisHtml/Cms.php
+++ b/application/controllers/CisHtml/Cms.php
@@ -25,6 +25,11 @@ class Cms extends FHC_Controller
 		$this->loadPhrases([
 			'global'
 		]);
+
+		$this->load->model('content/News_model', 'NewsModel');
+
+		// setting up the papgination_size
+		$this->pagination_size = 10;
 	}
 
 	// -----------------------------------------------------------------------------------------------------------------
@@ -67,12 +72,36 @@ class Cms extends FHC_Controller
 	public function getNews($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true)
 	{
 		$page = intval($this->input->get('page', true));
-		$pagination_size = 10;
-		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar, $page, $pagination_size);
+
+
+		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar, $page, $this->pagination_size);
 
 		if (isError($news)) {
 			echo json_encode(getError($news));
 		}
 		echo json_encode(getData($news));
 	}
+
+	public function getNewsMaxPage($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $fachbereich_kurzbz = null, $maxalter = 0, $edit = false, $sichtbar = true, $page = 1, $page_size = 10)
+	{
+		$this->load->model('crm/Student_model', 'StudentModel');
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+
+		if (!$infoscreen && ($studiengang_kz === null || $semester === null)) {
+			//Zum anzeigen der Studiengang-Details neben den News
+			$student = $this->StudentModel->loadWhere(['student_uid' => get_uid()]);
+			if (isError($student))
+				return $student;
+			if (getData($student)) {
+				$student = current(getData($student));
+				if ($studiengang_kz === null)
+					$studiengang_kz = $student->studiengang_kz;
+				if ($semester === null)
+					$semester = $student->semester;
+			}
+		}
+		$all = $edit;
+		$query = $this->NewsModel->getNewsWithContentQuery(getSprache(), $studiengang_kz, $semester, $fachbereich_kurzbz, $sichtbar, $maxalter, $page, $this->pagination_size, $all, $mischen);
+		echo json_encode($query->maxPageCount);
+	}
 }
diff --git a/application/core/DB_Model.php b/application/core/DB_Model.php
index bdd5316e7..5304fbe83 100644
--- a/application/core/DB_Model.php
+++ b/application/core/DB_Model.php
@@ -32,6 +32,9 @@ class DB_Model extends CI_Model
 	protected $pk;  	// Name of the PrimaryKey for DB-Update, Load, ...
 	protected $hasSequence;	// False if this table has a composite primary key that is not using a sequence
 				// True if this table has a primary key that uses a sequence
+	//protected $paginationOptions; // $page and $page_size together in an associative array
+	protected $page;
+	protected $page_size;
 
 	private $executedQueryMetaData;
 	private $executedQueryListFields;
@@ -484,7 +487,7 @@ class DB_Model extends CI_Model
 		if (!is_numeric($start) || (is_numeric($start) && $start <= 0))
 			return error('The start parameter is not valid', EXIT_MODEL);
 
-		if (is_numeric($end) && $end > $start)
+		if (is_numeric($end))
 		{
 			$this->db->limit($start, $end);
 		}
@@ -1073,5 +1076,46 @@ class DB_Model extends CI_Model
 
 		return $udfs;
 	}
+
+	function addPagination( $page, $page_size, $maxPageCount=null)
+	{
+		if (isset($page) && is_numeric($page) && isset($page_size) && is_numeric($page_size) && $page > 0 && $page_size > 0) {
+			
+			if (isset($maxPageCount) && is_numeric($maxPageCount) && $maxPageCount > 0) {
+				$floatMaxPageCount = $maxPageCount / $page_size;
+				$floatMaxPageCount = ceil($floatMaxPageCount);
+				if($page > $floatMaxPageCount){
+					$page = $floatMaxPageCount;
+				}
+			}
+			// else if page is to big
+			$offset = (($page-1) * $page_size); 
+			$this->addLimit($page_size, $offset);
+
+		} else {
+			$this->addLimit($page_size);
+		}
+	}
+
+	function getMaxPageCount( $page_size, $params=null )
+	{
+		// we clone the original query, so we dont have to change the origial query
+		$instance_copy = clone $this;
+		$db_copy = clone $this->db;
+		$countSql = $db_copy->get_compiled_select($instance_copy->dbTable,false);
+		$countSql = "SELECT COUNT(*) FROM (". $countSql .") as count;";
+		
+		// calculating the maxPageCount and adding the pagination to the query
+		$num_rows_query_result = $instance_copy->execReadOnlyQuery($countSql, $params);
+		
+		if(isError($num_rows_query_result)){
+			return error($this->db->error(), EXIT_DATABASE);
+		}
+		$num_rows = getData($num_rows_query_result)[0]->count;
+		
+		
+		// ceil, to include remaining rows into the last page 
+		return $num_rows;
+	}
 }
 
diff --git a/application/libraries/CmsLib.php b/application/libraries/CmsLib.php
index dfe8d5e4f..8a57c1086 100644
--- a/application/libraries/CmsLib.php
+++ b/application/libraries/CmsLib.php
@@ -213,6 +213,7 @@ class CmsLib
 			return $news;
 
 		$news = getData($news);
+		//var_dump($news->maxPageCount);
 		foreach ($news as $newsobj) {
 			if ($studiengang_kz && $edit && !$newsobj->studiengang_kz)
 				continue;
diff --git a/application/models/content/News_model.php b/application/models/content/News_model.php
index 88d97bd09..de4c7f8da 100644
--- a/application/models/content/News_model.php
+++ b/application/models/content/News_model.php
@@ -27,16 +27,7 @@ class News_model extends DB_Model
 		);
 	}
 
-	private function getMaxPageCount($page_size)
-	{
-		$this->addSelect(['Count(*)']);
-		$count = $this->load();
-		$count = hasData($count) ? getData($count)[0]->count : null;
-		$floatMaxPageCount = $count / $page_size;
 
-		// ceil, to include remaining rows into the last page 
-		return ceil($floatMaxPageCount);
-	}
 
 	/**
 	 * @param string            $sprache
@@ -53,20 +44,8 @@ class News_model extends DB_Model
 	 * 
 	 * @return stdObj
 	 */
-	public function getNewsWithContent($sprache, $studiengang_kz, $semester, $fachbereich_kurzbz = null, $sichtbar = true, $maxalter = 0, $page = 1, $page_size = 10, $all = false, $mischen = true)
+	public function getNewsWithContentQuery($sprache, $studiengang_kz, $semester, $fachbereich_kurzbz = null, $sichtbar = true, $maxalter = 0, $page = 1, $page_size = 10, $all = false, $mischen = true)
 	{
-		if (isset($page) && is_numeric($page) && isset($page_size) && is_numeric($page_size) && $page > 0 && $page_size > 0) {
-
-			$maxPageCount = $this->getMaxPageCount($page_size);
-			if ($maxPageCount) {
-				$page = $page % $maxPageCount;
-			}
-			$offset = $page * $page_size;
-			$this->addLimit($page_size, $offset);
-
-		} else {
-			$this->addLimit($page_size);
-		}
 
 		$this->addOrder('datum', 'DESC');
 
@@ -124,9 +103,24 @@ class News_model extends DB_Model
 
 		$this->db->where($where, NULL, FALSE);
 
-		$sql = $this->db->get_compiled_select($this->dbTable);
+		// calculating the maxPageCount and adding pagination to the query
+		$maxPageCount = $this->getMaxPageCount($page_size, $params);
+		$this->addPagination($page, $page_size, $maxPageCount);
+
+		// creating the select query
+		$query = new stdClass();
+		$query->sql = $this->db->get_compiled_select($this->dbTable);
+		$query->params = $params;
+		$query->maxPageCount = $maxPageCount;
+		return $query;
+
+	}
+
+	function getNewsWithContent($sprache, $studiengang_kz, $semester, $fachbereich_kurzbz = null, $sichtbar = true, $maxalter = 0, $page = 1, $page_size = 10, $all = false, $mischen = true)
+	{
+		$query = $this->getNewsWithContentQuery($sprache, $studiengang_kz, $semester, $fachbereich_kurzbz, $sichtbar, $maxalter, $page, $page_size, $all, $mischen);
+		return $this->execReadOnlyQuery($query->sql, $query->params);
 
-		return $this->execQuery($sql, $params);
 	}
 
 }
diff --git a/public/js/apps/api/cms.js b/public/js/apps/api/cms.js
index 8ad2f1f32..8352bcf65 100644
--- a/public/js/apps/api/cms.js
+++ b/public/js/apps/api/cms.js
@@ -1,5 +1,6 @@
 export default {
-  getNews: function (page = 1, pageSize = 10) {
+  getNews: function (page = 1) {
+    console.log("this is the page that was passed", page);
     const url =
       FHC_JS_DATA_STORAGE_OBJECT.app_root +
       FHC_JS_DATA_STORAGE_OBJECT.ci_router +
@@ -7,8 +8,14 @@ export default {
     return axios.get(url, {
       params: {
         page,
-        pageSize,
       },
     });
   },
+  getNewsMaxPage: function () {
+    const url =
+      FHC_JS_DATA_STORAGE_OBJECT.app_root +
+      FHC_JS_DATA_STORAGE_OBJECT.ci_router +
+      "/CisHtml/Cms/getNewsMaxPage";
+    return axios.get(url);
+  },
 };
diff --git a/public/js/components/Cis/Cms/Content.js b/public/js/components/Cis/Cms/Content.js
index 415743e85..793f2652d 100644
--- a/public/js/components/Cis/Cms/Content.js
+++ b/public/js/components/Cis/Cms/Content.js
@@ -7,11 +7,13 @@ export default {
   data() {
     return {
       content: null,
+      maxPageCount: 0,
     };
   },
   methods: {
     loadNewPageContent: function (data) {
       Vue.$fhcapi.Cms.getNews(data.page).then((result) => {
+        console.log("fetched url :", result.data);
         this.content = result.data;
       });
     },
@@ -20,9 +22,13 @@ export default {
     Vue.$fhcapi.Cms.getNews().then((result) => {
       this.content = result.data;
     });
+
+    Vue.$fhcapi.Cms.getNewsMaxPage().then((result) => {
+      this.maxPageCount = result.data;
+    });
   },
   template: /*html*/ `
-    <pagination @page="loadNewPageContent">
+    <pagination @page="loadNewPageContent" :maxPageCount="maxPageCount">
     <div v-html="content"></div>
     </pagination>`,
 };
diff --git a/public/js/components/Pagination/Pagination.js b/public/js/components/Pagination/Pagination.js
index 0222a0dfa..0b6044d73 100644
--- a/public/js/components/Pagination/Pagination.js
+++ b/public/js/components/Pagination/Pagination.js
@@ -2,6 +2,12 @@ export default {
   components: {
     paginator: primevue.paginator,
   },
+  props: {
+    maxPageCount: {
+      type: Number,
+      default: 0,
+    },
+  },
   data() {
     return {};
   },
@@ -15,10 +21,10 @@ export default {
   },
   template: /*html*/ `
     
-  
-    <paginator @page="(page)=>$emit('page',{...page, page:page.page+1})" :rows="1"  :totalRecords="120" ></paginator>
+    <pre>{{JSON.stringify(maxPageCount,null,2)}}</pre>
+    <paginator @page="(data)=>$emit('page',{...data, page:data.page+1})" :rows="10" :totalRecords="maxPageCount" :rowsPerPageOptions="[10, 20, 30]" ></paginator>
     <slot>
-    NO CONTENT WAS PROVIDED
+    Placeholder
     </slot>
     <paginator :rows="10" :totalRecords="120" :rowsPerPageOptions="[10, 20, 30]"></paginator>
 

From 284ae0637e2998314942cd66db25f52a8a24f04f Mon Sep 17 00:00:00 2001
From: SimonGschnell <simongschnell@gmail.com>
Date: Wed, 17 Apr 2024 14:54:22 +0200
Subject: [PATCH 4/9] makes it possible to send the page_size from the frontend
 to the backend to adopt how many rows to query

---
 application/controllers/CisHtml/Cms.php       | 19 +++++++++++++------
 public/js/apps/api/cms.js                     |  4 ++--
 public/js/components/Cis/Cms/Content.js       |  5 ++---
 public/js/components/Pagination/Pagination.js |  9 +++------
 4 files changed, 20 insertions(+), 17 deletions(-)

diff --git a/application/controllers/CisHtml/Cms.php b/application/controllers/CisHtml/Cms.php
index d15b4fabc..93abd3f14 100644
--- a/application/controllers/CisHtml/Cms.php
+++ b/application/controllers/CisHtml/Cms.php
@@ -29,7 +29,7 @@ class Cms extends FHC_Controller
 		$this->load->model('content/News_model', 'NewsModel');
 
 		// setting up the papgination_size
-		$this->pagination_size = 10;
+		$this->page_size = 10;
 	}
 
 	// -----------------------------------------------------------------------------------------------------------------
@@ -71,10 +71,17 @@ class Cms extends FHC_Controller
 
 	public function getNews($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true)
 	{
-		$page = intval($this->input->get('page', true));
-
-
-		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar, $page, $this->pagination_size);
+		$get_page = intval($this->input->get('page', true));
+		$get_page_size = intval($this->input->get('page_size', true));
+		if ($get_page) {
+			$page = $get_page;
+		}
+		if ($get_page_size) {
+			$page_size = $get_page_size;
+		} else {
+			$page_size = $this->page_size;
+		}
+		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar, $page, $page_size);
 
 		if (isError($news)) {
 			echo json_encode(getError($news));
@@ -101,7 +108,7 @@ class Cms extends FHC_Controller
 			}
 		}
 		$all = $edit;
-		$query = $this->NewsModel->getNewsWithContentQuery(getSprache(), $studiengang_kz, $semester, $fachbereich_kurzbz, $sichtbar, $maxalter, $page, $this->pagination_size, $all, $mischen);
+		$query = $this->NewsModel->getNewsWithContentQuery(getSprache(), $studiengang_kz, $semester, $fachbereich_kurzbz, $sichtbar, $maxalter, $page, $this->page_size, $all, $mischen);
 		echo json_encode($query->maxPageCount);
 	}
 }
diff --git a/public/js/apps/api/cms.js b/public/js/apps/api/cms.js
index 8352bcf65..94b3d282e 100644
--- a/public/js/apps/api/cms.js
+++ b/public/js/apps/api/cms.js
@@ -1,6 +1,5 @@
 export default {
-  getNews: function (page = 1) {
-    console.log("this is the page that was passed", page);
+  getNews: function (page = 1, page_size = 10) {
     const url =
       FHC_JS_DATA_STORAGE_OBJECT.app_root +
       FHC_JS_DATA_STORAGE_OBJECT.ci_router +
@@ -8,6 +7,7 @@ export default {
     return axios.get(url, {
       params: {
         page,
+        page_size,
       },
     });
   },
diff --git a/public/js/components/Cis/Cms/Content.js b/public/js/components/Cis/Cms/Content.js
index 793f2652d..7fe6bb5c1 100644
--- a/public/js/components/Cis/Cms/Content.js
+++ b/public/js/components/Cis/Cms/Content.js
@@ -12,14 +12,13 @@ export default {
   },
   methods: {
     loadNewPageContent: function (data) {
-      Vue.$fhcapi.Cms.getNews(data.page).then((result) => {
-        console.log("fetched url :", result.data);
+      Vue.$fhcapi.Cms.getNews(data.page, data.rows).then((result) => {
         this.content = result.data;
       });
     },
   },
   created() {
-    Vue.$fhcapi.Cms.getNews().then((result) => {
+    Vue.$fhcapi.Cms.getNews(1, 10).then((result) => {
       this.content = result.data;
     });
 
diff --git a/public/js/components/Pagination/Pagination.js b/public/js/components/Pagination/Pagination.js
index 0b6044d73..666f03929 100644
--- a/public/js/components/Pagination/Pagination.js
+++ b/public/js/components/Pagination/Pagination.js
@@ -16,17 +16,14 @@ export default {
       //console.log("hier", data.page);
     },
   },
-  mounted() {
-    console.log("pagination mounted");
-  },
+  mounted() {},
   template: /*html*/ `
     
-    <pre>{{JSON.stringify(maxPageCount,null,2)}}</pre>
+    
     <paginator @page="(data)=>$emit('page',{...data, page:data.page+1})" :rows="10" :totalRecords="maxPageCount" :rowsPerPageOptions="[10, 20, 30]" ></paginator>
     <slot>
     Placeholder
     </slot>
-    <paginator :rows="10" :totalRecords="120" :rowsPerPageOptions="[10, 20, 30]"></paginator>
-
+   
   `,
 };

From 92f2c6e0a2291348c500e36040cf64bd7e1e6370 Mon Sep 17 00:00:00 2001
From: SimonGschnell <simongschnell@gmail.com>
Date: Wed, 17 Apr 2024 15:12:55 +0200
Subject: [PATCH 5/9] passes the page_size down from the parent component to
 the child component

---
 public/js/components/Cis/Cms/Content.js       | 5 +++--
 public/js/components/Pagination/Pagination.js | 7 ++++++-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/public/js/components/Cis/Cms/Content.js b/public/js/components/Cis/Cms/Content.js
index 7fe6bb5c1..9ba98f2a1 100644
--- a/public/js/components/Cis/Cms/Content.js
+++ b/public/js/components/Cis/Cms/Content.js
@@ -8,6 +8,7 @@ export default {
     return {
       content: null,
       maxPageCount: 0,
+      page_size: 10,
     };
   },
   methods: {
@@ -18,7 +19,7 @@ export default {
     },
   },
   created() {
-    Vue.$fhcapi.Cms.getNews(1, 10).then((result) => {
+    Vue.$fhcapi.Cms.getNews(1, this.page_size).then((result) => {
       this.content = result.data;
     });
 
@@ -27,7 +28,7 @@ export default {
     });
   },
   template: /*html*/ `
-    <pagination @page="loadNewPageContent" :maxPageCount="maxPageCount">
+    <pagination :page_size="page_size"  @page="loadNewPageContent" :maxPageCount="maxPageCount">
     <div v-html="content"></div>
     </pagination>`,
 };
diff --git a/public/js/components/Pagination/Pagination.js b/public/js/components/Pagination/Pagination.js
index 666f03929..ce27180f7 100644
--- a/public/js/components/Pagination/Pagination.js
+++ b/public/js/components/Pagination/Pagination.js
@@ -2,11 +2,16 @@ export default {
   components: {
     paginator: primevue.paginator,
   },
+  emits: ["update:rows"],
   props: {
     maxPageCount: {
       type: Number,
       default: 0,
     },
+    page_size: {
+      type: Number,
+      default: 10,
+    },
   },
   data() {
     return {};
@@ -20,7 +25,7 @@ export default {
   template: /*html*/ `
     
     
-    <paginator @page="(data)=>$emit('page',{...data, page:data.page+1})" :rows="10" :totalRecords="maxPageCount" :rowsPerPageOptions="[10, 20, 30]" ></paginator>
+    <paginator v-model:rows="page_size" @page="(data)=>$emit('page',{...data, page:data.page+1})" :rows="page_size" :totalRecords="maxPageCount" :rowsPerPageOptions="[10, 20, 30]" ></paginator>
     <slot>
     Placeholder
     </slot>

From 71f63095c2d3ee6adb764f37244a6a75c28b5a60 Mon Sep 17 00:00:00 2001
From: SimonGschnell <simongschnell@gmail.com>
Date: Wed, 17 Apr 2024 15:15:51 +0200
Subject: [PATCH 6/9] makes component Pagination page_size prop a required prop

---
 public/js/components/Pagination/Pagination.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/js/components/Pagination/Pagination.js b/public/js/components/Pagination/Pagination.js
index ce27180f7..db751e1d9 100644
--- a/public/js/components/Pagination/Pagination.js
+++ b/public/js/components/Pagination/Pagination.js
@@ -10,7 +10,7 @@ export default {
     },
     page_size: {
       type: Number,
-      default: 10,
+      required: true,
     },
   },
   data() {

From 3993d614d4aa9a5784b55017a0d25d0e750c5f7d Mon Sep 17 00:00:00 2001
From: SimonGschnell <simongschnell@gmail.com>
Date: Thu, 18 Apr 2024 11:52:58 +0200
Subject: [PATCH 7/9] updates news fetching and DB_Model pagination methods

---
 application/controllers/CisHtml/Cms.php       | 41 ++++++------
 application/core/DB_Model.php                 | 51 +++++++-------
 application/libraries/CmsLib.php              | 41 +++++++-----
 application/models/content/News_model.php     | 67 +++++++++----------
 public/js/apps/api/cms.js                     |  4 +-
 public/js/components/Cis/Cms/Content.js       |  2 +-
 public/js/components/Pagination/Pagination.js |  3 +-
 7 files changed, 108 insertions(+), 101 deletions(-)

diff --git a/application/controllers/CisHtml/Cms.php b/application/controllers/CisHtml/Cms.php
index 93abd3f14..f56b3eea3 100644
--- a/application/controllers/CisHtml/Cms.php
+++ b/application/controllers/CisHtml/Cms.php
@@ -84,31 +84,30 @@ class Cms extends FHC_Controller
 		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar, $page, $page_size);
 
 		if (isError($news)) {
-			echo json_encode(getError($news));
+			$this->terminateWithJsonError(getError($news));
 		}
-		echo json_encode(getData($news));
+		$news = hasData($news) ? getData($news) : null;
+		if ($news) {
+			echo json_encode($news);
+		} else {
+			show_error("News: No data found");
+		}
+
 	}
 
-	public function getNewsMaxPage($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $fachbereich_kurzbz = null, $maxalter = 0, $edit = false, $sichtbar = true, $page = 1, $page_size = 10)
+	public function getNewsRowCount($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $fachbereich_kurzbz = null, $maxalter = 0, $edit = false, $sichtbar = true, $page = 1, $page_size = 10)
 	{
-		$this->load->model('crm/Student_model', 'StudentModel');
-		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
-
-		if (!$infoscreen && ($studiengang_kz === null || $semester === null)) {
-			//Zum anzeigen der Studiengang-Details neben den News
-			$student = $this->StudentModel->loadWhere(['student_uid' => get_uid()]);
-			if (isError($student))
-				return $student;
-			if (getData($student)) {
-				$student = current(getData($student));
-				if ($studiengang_kz === null)
-					$studiengang_kz = $student->studiengang_kz;
-				if ($semester === null)
-					$semester = $student->semester;
-			}
-		}
+		list($studiengang_kz, $semester) = $this->cmslib->getStgAndSem($studiengang_kz, $semester);
 		$all = $edit;
-		$query = $this->NewsModel->getNewsWithContentQuery(getSprache(), $studiengang_kz, $semester, $fachbereich_kurzbz, $sichtbar, $maxalter, $page, $this->page_size, $all, $mischen);
-		echo json_encode($query->maxPageCount);
+		$num_rows = $this->NewsModel->countNewsWithContent(getSprache(), $studiengang_kz, $semester, $fachbereich_kurzbz, $sichtbar, $maxalter, $page, $this->page_size, $all, $mischen);
+		if (isError($num_rows)) {
+			$this->terminateWithJsonError(getError($num_rows));
+		}
+		$num_rows = hasData($num_rows) ? getData($num_rows) : null;
+		if ($num_rows) {
+			echo json_encode($num_rows);
+		} else {
+			show_error("News number rows: No data found");
+		}
 	}
 }
diff --git a/application/core/DB_Model.php b/application/core/DB_Model.php
index 5304fbe83..d65cb3cf5 100644
--- a/application/core/DB_Model.php
+++ b/application/core/DB_Model.php
@@ -1077,18 +1077,26 @@ class DB_Model extends CI_Model
 		return $udfs;
 	}
 
-	function addPagination( $page, $page_size, $maxPageCount=null)
+	/**
+	 * addPagination
+	 * adds a limit and an optional offset depending on the arguments passed to the function
+	 * @param   int $page	page to be queried
+	 * @param   int $page_size	page_size used to calculate the offset of the pagination
+	 * @param   int | null $num_rows	used to calculate the total amout of pages that are available with the $page and $page_size arguments
+	 * 
+	 * @return	void
+	 */
+	function addPagination( $page, $page_size, $num_rows=null)
 	{
 		if (isset($page) && is_numeric($page) && isset($page_size) && is_numeric($page_size) && $page > 0 && $page_size > 0) {
 			
-			if (isset($maxPageCount) && is_numeric($maxPageCount) && $maxPageCount > 0) {
-				$floatMaxPageCount = $maxPageCount / $page_size;
-				$floatMaxPageCount = ceil($floatMaxPageCount);
-				if($page > $floatMaxPageCount){
-					$page = $floatMaxPageCount;
+			if (isset($num_rows) && is_numeric($num_rows) && $num_rows > 0) {
+				$floatMaxPageCount = $num_rows / $page_size;
+				$maxPageCount = ceil($floatMaxPageCount);
+				if($page > $maxPageCount){
+					$page = $maxPageCount;
 				}
 			}
-			// else if page is to big
 			$offset = (($page-1) * $page_size); 
 			$this->addLimit($page_size, $offset);
 
@@ -1097,25 +1105,22 @@ class DB_Model extends CI_Model
 		}
 	}
 
-	function getMaxPageCount( $page_size, $params=null )
+	/**
+	 * getQueryNumRows
+	 * returns the number of rows of the current build query of the codeigniter query builder instance
+	 * @param   bool $reset	resets the select of the query 
+	 * 
+	 * @return	Result_object $num_rows
+	 */
+	function getNumRows($reset=false)
 	{
-		// we clone the original query, so we dont have to change the origial query
-		$instance_copy = clone $this;
-		$db_copy = clone $this->db;
-		$countSql = $db_copy->get_compiled_select($instance_copy->dbTable,false);
-		$countSql = "SELECT COUNT(*) FROM (". $countSql .") as count;";
-		
-		// calculating the maxPageCount and adding the pagination to the query
-		$num_rows_query_result = $instance_copy->execReadOnlyQuery($countSql, $params);
-		
-		if(isError($num_rows_query_result)){
+		// returns the number of rows when executing the current query without reseting the select statement of the query
+		$num_rows = $this->db->count_all_results($this->dbTable,$reset);
+		if($num_rows){
+			return success($num_rows);
+		}else{
 			return error($this->db->error(), EXIT_DATABASE);
 		}
-		$num_rows = getData($num_rows_query_result)[0]->count;
-		
-		
-		// ceil, to include remaining rows into the last page 
-		return $num_rows;
 	}
 }
 
diff --git a/application/libraries/CmsLib.php b/application/libraries/CmsLib.php
index 8a57c1086..0fa3b0556 100644
--- a/application/libraries/CmsLib.php
+++ b/application/libraries/CmsLib.php
@@ -173,6 +173,30 @@ class CmsLib
 		], true));
 	}
 
+	/**
+	 * @param string			$studiengang_kz
+	 * @param string			$semester
+	 * 
+	 * @return array			queried studiengang_kz and semester
+	 */
+	public function getStgAndSem($studiengang_kz, $semester)
+	{
+		$this->ci->load->model('crm/Student_model', 'StudentModel');
+
+		//Zum anzeigen der Studiengang-Details neben den News
+		$student = $this->ci->StudentModel->loadWhere(['student_uid' => getAuthUID()]);
+		if (isError($student))
+			return $student;
+		if (getData($student)) {
+			$student = current(getData($student));
+			if ($studiengang_kz === null)
+				$studiengang_kz = $student->studiengang_kz;
+			if ($semester === null)
+				$semester = $student->semester;
+		}
+		return [$studiengang_kz, $semester];
+	}
+
 	/**
 	 * @param boolean			$infoscreen
 	 * @param string | null		$studiengang_kz
@@ -186,22 +210,7 @@ class CmsLib
 	 */
 	public function getNews($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true, $page = 1, $page_size = 10)
 	{
-		$this->ci->load->model('crm/Student_model', 'StudentModel');
-		$this->ci->load->model('organisation/Studiengang_model', 'StudiengangModel');
-
-		if (!$infoscreen && ($studiengang_kz === null || $semester === null)) {
-			//Zum anzeigen der Studiengang-Details neben den News
-			$student = $this->ci->StudentModel->loadWhere(['student_uid' => get_uid()]);
-			if (isError($student))
-				return $student;
-			if (getData($student)) {
-				$student = current(getData($student));
-				if ($studiengang_kz === null)
-					$studiengang_kz = $student->studiengang_kz;
-				if ($semester === null)
-					$semester = $student->semester;
-			}
-		}
+		list($studiengang_kz, $semester) = $this->getStgAndSem($studiengang_kz, $semester);
 		$all = $edit;
 
 		$xml = '<?xml version="1.0" encoding="UTF-8"?><content>';
diff --git a/application/models/content/News_model.php b/application/models/content/News_model.php
index de4c7f8da..f4f98b601 100644
--- a/application/models/content/News_model.php
+++ b/application/models/content/News_model.php
@@ -36,15 +36,15 @@ class News_model extends DB_Model
 	 * @param string            $fachbereich_kurzbz
 	 * @param boolean           $sichtbar
 	 * @param integer           $maxalter
+	 * @param integer           $page
 	 * @param integer           $page_size
 	 * @param boolean           $all
 	 * @param boolean           $mischen
 	 * 
 	 * TODO(chris): this is not a good function -> the params are all over the place
 	 * 
-	 * @return stdObj
 	 */
-	public function getNewsWithContentQuery($sprache, $studiengang_kz, $semester, $fachbereich_kurzbz = null, $sichtbar = true, $maxalter = 0, $page = 1, $page_size = 10, $all = false, $mischen = true)
+	protected function prepareNewsWithContent($sprache, $studiengang_kz, $semester, $fachbereich_kurzbz = null, $sichtbar = true, $maxalter = 0, $page = 1, $page_size = 10, $all = false, $mischen = true)
 	{
 
 		$this->addOrder('datum', 'DESC');
@@ -53,10 +53,9 @@ class News_model extends DB_Model
 		$fachbereich_kurzbz = trim($fachbereich_kurzbz);
 
 		$where = [];
-		$params = [];
 		if (trim($maxalter) != '0') {
-			$where[] = "(now()-datum) < interval ? days";
-			$params[] = $maxalter;
+			$where[] = "(now()-datum) < interval " . $this->db->escape($maxalter) . " days";
+
 		}
 		if (!$all) {
 			$where[] = "datum <= now()";
@@ -66,61 +65,57 @@ class News_model extends DB_Model
 			if ($fachbereich_kurzbz == '') {
 				$where[] = "fachbereich_kurzbz IS NULL";
 			} else {
-				$where[] = "fachbereich_kurzbz = ?";
-				$params[] = $fachbereich_kurzbz;
+				$where[] = "fachbereich_kurzbz = " . $this->db->escape($fachbereich_kurzbz);
+
 			}
 		}
 		if ($studiengang_kz == '0') {
-			$where[] = "studiengang_kz = ?";
-			$params[] = $studiengang_kz;
+			$where[] = "studiengang_kz = " . $this->db->escape($studiengang_kz);
+
 			if ($semester === NULL)
 				$where[] = "semester IS NULL";
 			elseif ($semester === 0)
 				$where[] = "semester = 0";
 		} elseif ($studiengang_kz != '') {
 			$add = $mischen === true ? " OR (studiengang_kz = 0 AND semester IS NULL)" : "";
-			$where[] = "((studiengang_kz = ? AND semester = ?) OR (studiengang_kz = ? AND semester = 0) OR (studiengang_kz = 0 AND semester = ?)" . $add . ")";
-			$params[] = $studiengang_kz;
-			$params[] = $semester;
-			$params[] = $studiengang_kz;
-			$params[] = $semester;
+			$where[] = "((studiengang_kz = " . $this->db->escape($studiengang_kz) . " AND semester = " . $this->db->escape($semester) . ") OR (studiengang_kz = " . $this->db->escape($studiengang_kz) . " AND semester = 0) OR (studiengang_kz = 0 AND semester = " . $this->db->escape($semester) . ")" . $add . ")";
+
 		}
 		$this->addJoin('campus.tbl_contentsprache cs', 'content_id');
 
 		$where[] = "cs.sichtbar = " . ($sichtbar ? "true" : "false");
 
-		$where[] = "cs.sprache = (CASE WHEN EXISTS(SELECT 1 FROM campus.tbl_contentsprache cs2 WHERE cs2.content_id=" . $this->dbTable . ".content_id AND sprache=?) THEN ? ELSE ? END)";
-		$params[] = $sprache;
-		$params[] = $sprache;
-		$params[] = DEFAULT_LANGUAGE;
+		$where[] = "cs.sprache = (CASE WHEN EXISTS(SELECT 1 FROM campus.tbl_contentsprache cs2 WHERE cs2.content_id=" . $this->dbTable . ".content_id AND sprache=" . $this->db->escape($sprache) . ") THEN " . $this->db->escape($sprache) . " ELSE " . $this->db->escape(DEFAULT_LANGUAGE) . " END)";
+
+
+		$where[] = "cs.version = (SELECT MAX(version) FROM campus.tbl_contentsprache cs3 WHERE cs3.content_id=" . $this->dbTable . ".content_id AND cs3.sprache = (CASE WHEN EXISTS(SELECT 1 FROM campus.tbl_contentsprache cs2 WHERE cs2.content_id=" . $this->dbTable . ".content_id AND sprache=" . $this->db->escape($sprache) . ") THEN " . $this->db->escape($sprache) . " ELSE " . $this->db->escape(DEFAULT_LANGUAGE) . " END))";
 
-		$where[] = "cs.version = (SELECT MAX(version) FROM campus.tbl_contentsprache cs3 WHERE cs3.content_id=" . $this->dbTable . ".content_id AND cs3.sprache = (CASE WHEN EXISTS(SELECT 1 FROM campus.tbl_contentsprache cs2 WHERE cs2.content_id=" . $this->dbTable . ".content_id AND sprache=?) THEN ? ELSE ? END))";
-		$params[] = $sprache;
-		$params[] = $sprache;
-		$params[] = DEFAULT_LANGUAGE;
 
 		$where = implode(" AND ", $where);
 
 		$this->db->where($where, NULL, FALSE);
 
-		// calculating the maxPageCount and adding pagination to the query
-		$maxPageCount = $this->getMaxPageCount($page_size, $params);
-		$this->addPagination($page, $page_size, $maxPageCount);
-
-		// creating the select query
-		$query = new stdClass();
-		$query->sql = $this->db->get_compiled_select($this->dbTable);
-		$query->params = $params;
-		$query->maxPageCount = $maxPageCount;
-		return $query;
-
 	}
 
-	function getNewsWithContent($sprache, $studiengang_kz, $semester, $fachbereich_kurzbz = null, $sichtbar = true, $maxalter = 0, $page = 1, $page_size = 10, $all = false, $mischen = true)
+	public function getNewsWithContent($sprache, $studiengang_kz, $semester, $fachbereich_kurzbz = null, $sichtbar = true, $maxalter = 0, $page = 1, $page_size = 10, $all = false, $mischen = true)
 	{
-		$query = $this->getNewsWithContentQuery($sprache, $studiengang_kz, $semester, $fachbereich_kurzbz, $sichtbar, $maxalter, $page, $page_size, $all, $mischen);
-		return $this->execReadOnlyQuery($query->sql, $query->params);
+		$this->prepareNewsWithContent($sprache, $studiengang_kz, $semester, $fachbereich_kurzbz, $sichtbar, $maxalter, $page, $page_size, $all, $mischen);
 
+		// getting the number of rows of the query and adding pagination to the query result
+		$num_rows = $this->getNumRows(true);
+		$this->addPagination($page, $page_size, $num_rows);
+
+		// preparing the query again because every call to get_compiled_select or cour_all_results will add the from clause to the query
+		$this->prepareNewsWithContent($sprache, $studiengang_kz, $semester, $fachbereich_kurzbz, $sichtbar, $maxalter, $page, $page_size, $all, $mischen);
+
+		return $this->load();
 	}
 
+	public function countNewsWithContent($sprache, $studiengang_kz, $semester, $fachbereich_kurzbz = null, $sichtbar = true, $maxalter = 0, $page = 1, $page_size = 10, $all = false, $mischen = true)
+	{
+		$this->prepareNewsWithContent($sprache, $studiengang_kz, $semester, $fachbereich_kurzbz, $sichtbar, $maxalter, $page, $page_size, $all, $mischen);
+		return $this->getNumRows();
+	}
+
+
 }
diff --git a/public/js/apps/api/cms.js b/public/js/apps/api/cms.js
index 94b3d282e..6fbb0e727 100644
--- a/public/js/apps/api/cms.js
+++ b/public/js/apps/api/cms.js
@@ -11,11 +11,11 @@ export default {
       },
     });
   },
-  getNewsMaxPage: function () {
+  getNewsRowCount: function () {
     const url =
       FHC_JS_DATA_STORAGE_OBJECT.app_root +
       FHC_JS_DATA_STORAGE_OBJECT.ci_router +
-      "/CisHtml/Cms/getNewsMaxPage";
+      "/CisHtml/Cms/getNewsRowCount";
     return axios.get(url);
   },
 };
diff --git a/public/js/components/Cis/Cms/Content.js b/public/js/components/Cis/Cms/Content.js
index 9ba98f2a1..bac28c23c 100644
--- a/public/js/components/Cis/Cms/Content.js
+++ b/public/js/components/Cis/Cms/Content.js
@@ -23,7 +23,7 @@ export default {
       this.content = result.data;
     });
 
-    Vue.$fhcapi.Cms.getNewsMaxPage().then((result) => {
+    Vue.$fhcapi.Cms.getNewsRowCount().then((result) => {
       this.maxPageCount = result.data;
     });
   },
diff --git a/public/js/components/Pagination/Pagination.js b/public/js/components/Pagination/Pagination.js
index db751e1d9..8b2688834 100644
--- a/public/js/components/Pagination/Pagination.js
+++ b/public/js/components/Pagination/Pagination.js
@@ -24,8 +24,7 @@ export default {
   mounted() {},
   template: /*html*/ `
     
-    
-    <paginator v-model:rows="page_size" @page="(data)=>$emit('page',{...data, page:data.page+1})" :rows="page_size" :totalRecords="maxPageCount" :rowsPerPageOptions="[10, 20, 30]" ></paginator>
+   <paginator v-model:rows="page_size" @page="(data)=>$emit('page',{...data, page:data.page+1})" :rows="page_size" :totalRecords="maxPageCount" :rowsPerPageOptions="[10, 20, 30]" ></paginator>
     <slot>
     Placeholder
     </slot>

From cc0ea44de307d2e89ba9aa011d4a6cc57ebb0bad Mon Sep 17 00:00:00 2001
From: SimonGschnell <simongschnell@gmail.com>
Date: Thu, 18 Apr 2024 11:56:55 +0200
Subject: [PATCH 8/9] also adds the new controller functions to the CisVue/Cms
 and CisHmvc/Cms

---
 application/controllers/CisHmvc/Cms.php | 58 ++++++++++++++++++++++---
 application/controllers/CisVue/Cms.php  | 58 ++++++++++++++++++++++---
 2 files changed, 104 insertions(+), 12 deletions(-)

diff --git a/application/controllers/CisHmvc/Cms.php b/application/controllers/CisHmvc/Cms.php
index d15f398a4..eed1a5fea 100644
--- a/application/controllers/CisHmvc/Cms.php
+++ b/application/controllers/CisHmvc/Cms.php
@@ -77,6 +77,17 @@ class Cms extends Auth_Controller
 		$this->load->view('CisHmvc/Cms/Content', ['content' => getData($content)]);
 	}
 
+	/**
+	 * @param boolean			$infoscreen
+	 * @param string | null		$studiengang_kz
+	 * @param int | null		$semester
+	 * @param boolean			$mischen
+	 * @param string			$titel
+	 * @param boolean			$edit
+	 * @param boolean			$sichtbar
+	 *
+	 * @return void
+	 */
 	/**
 	 * @param boolean			$infoscreen
 	 * @param string | null		$studiengang_kz
@@ -90,13 +101,48 @@ class Cms extends Auth_Controller
 	 */
 	public function news($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true)
 	{
-		$page = intval($this->input->get('page', true));
-		$pagination_size = 10;
-		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar, $page, $pagination_size);
+		$this->load->view('CisHtml/Cms/Content', ['infoscreen' => $infoscreen, 'studiengang_kz' => $studiengang_kz, 'semester' => $semester, 'mischen' => $mischen, 'titel' => $titel, 'edit' => $edit, 'sichtbar' => $sichtbar]);
+	}
 
-		if (isError($news))
-			return $this->load->view('CisHmvc/Error', ['error' => getError($news)]);
+	public function getNews($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true)
+	{
+		$get_page = intval($this->input->get('page', true));
+		$get_page_size = intval($this->input->get('page_size', true));
+		if ($get_page) {
+			$page = $get_page;
+		}
+		if ($get_page_size) {
+			$page_size = $get_page_size;
+		} else {
+			$page_size = $this->page_size;
+		}
+		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar, $page, $page_size);
 
-		$this->load->view('CisHmvc/Cms/Content', ['content' => getData($news)]);
+		if (isError($news)) {
+			$this->terminateWithJsonError(getError($news));
+		}
+		$news = hasData($news) ? getData($news) : null;
+		if ($news) {
+			echo json_encode($news);
+		} else {
+			show_error("News: No data found");
+		}
+
+	}
+
+	public function getNewsRowCount($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $fachbereich_kurzbz = null, $maxalter = 0, $edit = false, $sichtbar = true, $page = 1, $page_size = 10)
+	{
+		list($studiengang_kz, $semester) = $this->cmslib->getStgAndSem($studiengang_kz, $semester);
+		$all = $edit;
+		$num_rows = $this->NewsModel->countNewsWithContent(getSprache(), $studiengang_kz, $semester, $fachbereich_kurzbz, $sichtbar, $maxalter, $page, $this->page_size, $all, $mischen);
+		if (isError($num_rows)) {
+			$this->terminateWithJsonError(getError($num_rows));
+		}
+		$num_rows = hasData($num_rows) ? getData($num_rows) : null;
+		if ($num_rows) {
+			echo json_encode($num_rows);
+		} else {
+			show_error("News number rows: No data found");
+		}
 	}
 }
diff --git a/application/controllers/CisVue/Cms.php b/application/controllers/CisVue/Cms.php
index 0f3fc061a..2c1fa1fc6 100644
--- a/application/controllers/CisVue/Cms.php
+++ b/application/controllers/CisVue/Cms.php
@@ -47,6 +47,17 @@ class Cms extends FHC_Controller
 		$this->load->view('CisHtml/Cms/Content', ['content' => getData($content)]);
 	}
 
+	/**
+	 * @param boolean			$infoscreen
+	 * @param string | null		$studiengang_kz
+	 * @param int | null		$semester
+	 * @param boolean			$mischen
+	 * @param string			$titel
+	 * @param boolean			$edit
+	 * @param boolean			$sichtbar
+	 *
+	 * @return void
+	 */
 	/**
 	 * @param boolean			$infoscreen
 	 * @param string | null		$studiengang_kz
@@ -60,13 +71,48 @@ class Cms extends FHC_Controller
 	 */
 	public function news($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true)
 	{
-		$page = intval($this->input->get('page', true));
-		$pagination_size = 10;
-		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar, $page, $pagination_size);
+		$this->load->view('CisHtml/Cms/Content', ['infoscreen' => $infoscreen, 'studiengang_kz' => $studiengang_kz, 'semester' => $semester, 'mischen' => $mischen, 'titel' => $titel, 'edit' => $edit, 'sichtbar' => $sichtbar]);
+	}
 
-		if (isError($news))
-			return $this->load->view('CisHtml/Error', ['error' => getError($news)]);
+	public function getNews($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true)
+	{
+		$get_page = intval($this->input->get('page', true));
+		$get_page_size = intval($this->input->get('page_size', true));
+		if ($get_page) {
+			$page = $get_page;
+		}
+		if ($get_page_size) {
+			$page_size = $get_page_size;
+		} else {
+			$page_size = $this->page_size;
+		}
+		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar, $page, $page_size);
 
-		$this->load->view('CisHtml/Cms/Content', ['content' => getData($news)]);
+		if (isError($news)) {
+			$this->terminateWithJsonError(getError($news));
+		}
+		$news = hasData($news) ? getData($news) : null;
+		if ($news) {
+			echo json_encode($news);
+		} else {
+			show_error("News: No data found");
+		}
+
+	}
+
+	public function getNewsRowCount($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $fachbereich_kurzbz = null, $maxalter = 0, $edit = false, $sichtbar = true, $page = 1, $page_size = 10)
+	{
+		list($studiengang_kz, $semester) = $this->cmslib->getStgAndSem($studiengang_kz, $semester);
+		$all = $edit;
+		$num_rows = $this->NewsModel->countNewsWithContent(getSprache(), $studiengang_kz, $semester, $fachbereich_kurzbz, $sichtbar, $maxalter, $page, $this->page_size, $all, $mischen);
+		if (isError($num_rows)) {
+			$this->terminateWithJsonError(getError($num_rows));
+		}
+		$num_rows = hasData($num_rows) ? getData($num_rows) : null;
+		if ($num_rows) {
+			echo json_encode($num_rows);
+		} else {
+			show_error("News number rows: No data found");
+		}
 	}
 }

From 0942480428b7d482cd4bbbac21e4358446a51a1f Mon Sep 17 00:00:00 2001
From: SimonGschnell <simongschnell@gmail.com>
Date: Wed, 8 May 2024 11:58:35 +0200
Subject: [PATCH 9/9] adds the missing model for the function

---
 application/libraries/CmsLib.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/application/libraries/CmsLib.php b/application/libraries/CmsLib.php
index 0fa3b0556..9a898df85 100644
--- a/application/libraries/CmsLib.php
+++ b/application/libraries/CmsLib.php
@@ -210,6 +210,7 @@ class CmsLib
 	 */
 	public function getNews($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true, $page = 1, $page_size = 10)
 	{
+		$this->ci->load->model('organisation/Studiengang_model', 'StudiengangModel');
 		list($studiengang_kz, $semester) = $this->getStgAndSem($studiengang_kz, $semester);
 		$all = $edit;