WIP - More decoupling of data layer from ui layer

lib/features/edit_label/cubit/edit_label_cubit.dart

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+import 'dart:async';
+
+import 'package:bloc/bloc.dart';
+import 'package:paperless_api/paperless_api.dart';
+import 'package:paperless_mobile/core/repository/label_repository.dart';
+import 'package:paperless_mobile/features/edit_label/cubit/edit_label_state.dart';
+
+class EditLabelCubit<T extends Label> extends Cubit<EditLabelState<T>> {
+  final LabelRepository<T> _repository;
+
+  StreamSubscription<Map<int, T>>? _subscription;
+
+  EditLabelCubit(LabelRepository<T> repository)
+      : _repository = repository,
+        super(const EditLabelInitial()) {
+    _subscription = _repository.labels
+        .listen((labels) => emit(EditLabelState(labels: labels)));
+  }
+
+  Future<void> create(T label) => _repository.create(label);
+
+  Future<void> update(T label) => _repository.update(label);
+
+  Future<void> delete(T label) => _repository.delete(label);
+
+  @override
+  Future<void> close() {
+    _subscription?.cancel();
+    return super.close();
+  }
+}

lib/features/edit_label/cubit/edit_label_state.dart

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+import 'package:equatable/equatable.dart';
+import 'package:flutter/widgets.dart';
+
+@immutable
+class EditLabelState<T> extends Equatable {
+  final Map<int, T> labels;
+
+  const EditLabelState({required this.labels});
+
+  @override
+  List<Object> get props => [labels];
+}
+
+class EditLabelInitial<T> extends EditLabelState<T> {
+  const EditLabelInitial() : super(labels: const {});
+}