syncrow-web/lib/pages/spaces_management/create_subspace/bloc/subspace_bloc.dart

import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:syncrow_web/pages/spaces_management/all_spaces/model/subspace_model.dart';
import 'package:syncrow_web/utils/constants/action_enum.dart';

import 'subspace_event.dart';
import 'subspace_state.dart';

class SubSpaceBloc extends Bloc<SubSpaceEvent, SubSpaceState> {
  SubSpaceBloc() : super(SubSpaceState([], [], '')) {
    on<AddSubSpace>((event, emit) {
      final existingNames =
          state.subSpaces.map((e) => e.subspaceName).toSet();

      if (existingNames.contains(event.subSpace.subspaceName.toLowerCase())) {
        emit(SubSpaceState(
          state.subSpaces,
          state.updatedSubSpaceModels,
          'Subspace name already exists.',
        ));
      } else {
        final updatedSubSpaces = List<SubspaceModel>.from(state.subSpaces)
          ..add(event.subSpace);

        emit(SubSpaceState(
          updatedSubSpaces,
          state.updatedSubSpaceModels,
          '',
        ));
      }
    });

    // Handle RemoveSubSpace Event
    on<RemoveSubSpace>((event, emit) {
      final updatedSubSpaces = List<SubspaceModel>.from(state.subSpaces)
        ..remove(event.subSpace);

      final updatedSubspaceModels = List<UpdateSubspaceModel>.from(
        state.updatedSubSpaceModels,
      );

      if (event.subSpace.uuid?.isNotEmpty ?? false) {
        updatedSubspaceModels.add(UpdateSubspaceModel(
          action: Action.delete,
          uuid: event.subSpace.uuid!,
        ));
      }

      emit(SubSpaceState(
        updatedSubSpaces,
        updatedSubspaceModels,
        '', // Clear error message
      ));
    });

    // Handle UpdateSubSpace Event
  }
}