add edit-members to controller

Co-Authored-By: xxnitram <xxnitram@users.noreply.github.com>

src/main/java/mops/gruppen2/controller/Gruppen2Controller.java

@@ -4,6 +4,7 @@ import mops.gruppen2.config.Gruppen2Config;
 import mops.gruppen2.domain.Exceptions.EventException;
 import mops.gruppen2.domain.Group;
 
+import mops.gruppen2.domain.Role;
 import mops.gruppen2.domain.User;
 import mops.gruppen2.domain.event.CreateGroupEvent;
 import mops.gruppen2.security.Account;
@@ -83,7 +84,6 @@ public class Gruppen2Controller {
         return "search";
     }
 
-
     @PostMapping("/createGroup")
     public String pCreateGroup(KeycloakAuthenticationToken token,
                                @RequestParam(value = "title") String title,
@@ -135,4 +135,19 @@ public class Gruppen2Controller {
         controllerService.deleteUser(account, id);
         return "redirect:/gruppen2/";
     }
+
+    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator)"})
+    @GetMapping("/details/members")
+    public String editMembers(Model model, KeycloakAuthenticationToken token, @RequestParam (value="group_id") Long id)  throws  EventException {
+        Account account = keyCloakService.createAccountFromPrincipal(token);
+        Group group = userService.getGroupById(id);
+        if(group.getRoles().get(account.getName()) == Role.ADMIN) {
+            model.addAttribute("members", group.getMembers());
+            model.addAttribute("group", group);
+            return "editMembers";
+        } else {
+            return "redirect:/details/";
+        }
+    }
+
 }

src/main/resources/templates/detailsMember.html

@@ -49,7 +49,9 @@
             <div class="col-3" style="white-space: nowrap">
                 <div>
                     <h2 style="display: inline-block; margin: 0">Mitglieder</h2>
-                    <button class="btn btn-secondary" type="warning" style="background: slategrey; float: right" >Mitglieder bearbeiten</button>
+                        <form method="get" action="/gruppen2/details/members">
+                            <button th:if="${role == role.ADMIN}" class="btn btn-secondary" type="submit" style="background: slategrey; float: right" >Mitglieder bearbeiten</button>
+                        </form>
                     <p></p>
                 </div>
                 <div>