Can respond to membership requests from members screen

lib/forez/ui/screens/forez_directory_screen.dart

@@ -19,7 +19,12 @@ import 'package:flutter/material.dart';
 ///
 /// @author Pierre Hubert
 
-enum _PopupMenuActions { PRIVATE_CONVERSATION, CANCEL_INVITATION }
+enum _PopupMenuActions {
+  PRIVATE_CONVERSATION,
+  CANCEL_INVITATION,
+  ACCEPT_REQUEST,
+  REJECT_REQUEST
+}
 
 class ForezDirectoryScreen extends StatefulWidget {
   @override
@@ -65,6 +70,16 @@ class _ForezDirectoryScreenState extends State<ForezDirectoryScreen> {
           await GroupsHelper.cancelInvitation(forezGroup.id, user.id);
           _key.currentState.refresh();
           break;
+
+        case _PopupMenuActions.ACCEPT_REQUEST:
+          await GroupsHelper.respondRequest(forezGroup.id, user.id, true);
+          _key.currentState.refresh();
+          break;
+
+        case _PopupMenuActions.REJECT_REQUEST:
+          await GroupsHelper.respondRequest(forezGroup.id, user.id, false);
+          _key.currentState.refresh();
+          break;
       }
     } catch (e, s) {
       logError(e, s);
@@ -90,11 +105,39 @@ class _ForezMemberTile extends StatelessWidget {
         leading: AccountImageWidget(user: user),
         title: Text(user.fullName),
         subtitle: Text(member.membershipText),
-        trailing: user.id == userID()
+        trailing: member.level == GroupMembershipLevel.PENDING
+            ? _buildRequestedButton()
+            : _buildPopupMenuButton(),
+      );
+
+  Widget _buildPopupMenuButton() => user.id == userID()
       ? null
       : PopupMenuButton(
           itemBuilder: (c) => popupMenuItems,
           onSelected: (a) => selectedAction(a, user),
+        );
+
+  Widget _buildRequestedButton() => IntrinsicWidth(
+        child: Row(
+          children: [
+            ElevatedButton(
+              onPressed: () =>
+                  selectedAction(_PopupMenuActions.ACCEPT_REQUEST, user),
+              child: Icon(Icons.check),
+              style: ButtonStyle(
+                  visualDensity: VisualDensity.compact,
+                  backgroundColor: MaterialStateProperty.all(Colors.green)),
+            ),
+            SizedBox(width: 5),
+            OutlinedButton(
+              onPressed: () =>
+                  selectedAction(_PopupMenuActions.REJECT_REQUEST, user),
+              child: Icon(Icons.close),
+              style: ButtonStyle(
+                  visualDensity: VisualDensity.compact,
+                  foregroundColor: MaterialStateProperty.all(Colors.redAccent)),
+            ),
+          ],
         ),
       );