refa: follow page

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/follow/child_controller.dart

@@ -0,0 +1,28 @@
+import 'package:PiliPlus/http/follow.dart';
+import 'package:PiliPlus/http/loading_state.dart';
+import 'package:PiliPlus/http/member.dart';
+import 'package:PiliPlus/models/follow/result.dart';
+import 'package:PiliPlus/pages/common/common_list_controller.dart';
+
+class FollowChildController
+    extends CommonListController<List<FollowItemModel>?, FollowItemModel> {
+  FollowChildController(this.mid, this.tagid);
+  final int? tagid;
+  final int mid;
+
+  @override
+  void onInit() {
+    super.onInit();
+    queryData();
+  }
+
+  @override
+  Future<LoadingState<List<FollowItemModel>?>> customGetData() {
+    if (tagid != null) {
+      return MemberHttp.followUpGroup(mid, tagid, currentPage, 20);
+    }
+
+    return FollowHttp.followingsNew(
+        vmid: mid, pn: currentPage, ps: 20, orderType: 'attention');
+  }
+}