users can now be deleted in the security screen

app/src/app/security/security.component.html

@@ -207,7 +207,7 @@
                       </li>
                       <li class="dropdown-divider"></li>
                       <li role="menuitem">
-                        <button class="dropdown-item">
+                        <button class="dropdown-item" (click)="deleteUser(user)">
                           <fa-icon [fixedWidth]="true" icon="trash"></fa-icon>
                           {{ 'security.deleteUser' | translate }}
                         </button>

app/src/app/security/security.component.ts

@@ -167,6 +167,40 @@ export class SecurityComponent implements OnInit, OnDestroy
     });
   }
 
+  // ----------------------------------------------------------------------------------------------------------------
+  deleteUser(user: User)
+  {
+    const modalConfig = {
+      ignoreBackdropClick: true,
+      keyboard: false,
+      animated: true,
+      initialState: {
+        prompt: `Are you sure you wish to permanently delete the "${user.login}" user?`,
+        confirmButtonText: 'Yes, delete this user',
+        declineButtonText: 'No, keep it',
+        confirmByDefault: false
+      }
+    };
+
+    const modalRef = this.modalService.show(ConfirmationDialogComponent, modalConfig);
+    modalRef.content.confirm.pipe(
+      first(),
+      switchMap(() => this.securityService.removeUser(user))
+    )
+      .subscribe(() =>
+      {
+        const index = this.users.findIndex(p => p.id === user.id);
+        if (index >= 0)
+          this.users.splice(index, 1);
+
+        this.toastr.info(`The "${user.login}" user has been succesfuly removed`);
+      }, err =>
+      {
+        const errorDetails = err.error?.message ? `(${err.error.message})` : '';
+        this.toastr.error(`Faild to remove the "${user.login}" role (${errorDetails})`);
+      });
+  }
+
   // ----------------------------------------------------------------------------------------------------------------
   showRoleEditor(role?: Role)
   {