switch replaced with if and split function
switch replaced with if and split function https://scm.thm.de/sonar/component_issues?id=de.thm.arsnova%3Aarsnova.click#facetMode=debt|assignees=dmkr16
switch replaced with if and split function https://scm.thm.de/sonar/component_issues?id=de.thm.arsnova%3Aarsnova.click#facetMode=debt|assignees=dmkr16