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Added DeleteGroupEvent and GroupDoesNotExistException

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This commit is contained in:
Mahgs
2020-03-10 15:09:35 +01:00
parent 3425e1fcec
commit c0d2bbbf7f
8 changed files with 162 additions and 30 deletions
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21
src/main/java/mops/gruppen2/service/GroupService.java
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@ -1,8 +1,8 @@
package mops.gruppen2.service;
import mops.gruppen2.domain.Exceptions.EventException;
import mops.gruppen2.domain.Exceptions.GroupDoesNotExistException;
import mops.gruppen2.domain.Group;
import mops.gruppen2.domain.event.AddUserEvent;
import mops.gruppen2.domain.event.CreateGroupEvent;
import mops.gruppen2.domain.event.Event;
import org.springframework.stereotype.Service;
@ -18,17 +18,32 @@ public class GroupService {
* @param eventList Die restlichen Events für diese Gruppe
* @return Gruppe auf aktuellem Stand
*/
Group buildGroupFromEvents(List<Event> eventList) {
Group buildGroupFromEvents(List<Event> eventList) throws EventException {
Group newGroup = new Group();
try {
if (!(eventList.get(0) instanceof CreateGroupEvent)) {
throw new GroupDoesNotExistException("Die Gruppe existiert nicht");
} else {
newGroup.applyEvent(eventList.get(0));
eventList.remove(0);
}
for (Event event : eventList) {
if (!(newGroup.getId() > 0)) {
throw new GroupDoesNotExistException("Die Gruppe existiert nicht");
}
newGroup.applyEvent(event);
}
}catch (EventException e){
} catch (EventException e) {
if (e instanceof GroupDoesNotExistException) {
throw e;
}
e.printStackTrace();
}
if (newGroup.getId() < 0) {
return null;
}
return newGroup;
}
}