Resolve "VA lässt sich aus Übersicht nicht merh öffnen"

Closes #5013

Merge request studip/studip!3758

public/seminar_main.php

@@ -23,5 +23,13 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 
-require '../lib/bootstrap.php';
+require __DIR__ . '/../lib/bootstrap.php';
+
+// Handle legacy links
+// TODO: Remove at the latest for Stud.IP 7.0
+if (isset($_GET['auswahl']) && !isset($_GET['to'])) {
+    $_GET['to'] = $_GET['auswahl'];
+    unset($_GET['auswahl']);
+}
+
 header('Location: ' . URLHelper::getURL('dispatch.php/course/go', $_GET));

resources/vue/components/MyCoursesTables.vue

@@ -56,7 +56,7 @@
                         {{ course.number }}
                     </td>
                     <td :class="{'subcourse-indented': isChild(course)}">
-                        <a :href="urlFor('seminar_main.php', {auswahl: course.id})">
+                        <a :href="urlFor('seminar_main.php', {to: course.id})">
                             {{ getCourseName(course, getConfig('sem_number') && responsiveDisplay) }}
                             <span v-if="course.is_deputy">{{ $gettext('[Vertretung]') }}</span>
                         </a>

resources/vue/components/MyCoursesTiles.vue

@@ -24,7 +24,7 @@
                                     ></studip-action-menu>
                                 </span>
 
-                                <a :href="urlFor('seminar_main.php', {auswahl: course.id})" class="tiles-grid-element-header-content" :title="getCourseName(course, getConfig('sem_number'))">
+                                <a :href="urlFor('seminar_main.php', {to: course.id})" class="tiles-grid-element-header-content" :title="getCourseName(course, getConfig('sem_number'))">
                                     <span :style="{backgroundImage: `url(${course.avatar})`}" class="tiles-grid-element-header-image"></span>
                                     <span class="tiled-grid-element-header-title">
                                         {{ getCourseName(course, getConfig('sem_number')) }}

resources/vue/mixins/MyCoursesMixin.js

@@ -142,7 +142,7 @@ export default {
                     }
 
                     result.url = this.urlFor('seminar_main.php', {
-                        auswahl: course.id,
+                        to: course.id,
                         redirect_to: result.url,
                     });
                 }