fantascenza attachment bloc agnostico, ora continuo refactor rimuovendo customer file bloc ecc.

lib/features/attachments/blocs/attachments_state.dart

@@ -0,0 +1,65 @@
+part of 'attachments_bloc.dart';
+
+enum AttachmentsStatus { initial, loading, uploading, success, failure }
+
+enum AttachmentParentType {
+  operation('operation_id'),
+  ticket('ticket_id'),
+  customer('customer_id');
+
+  final String dbColumn;
+  const AttachmentParentType(this.dbColumn);
+}
+
+class AttachmentsState extends Equatable {
+  final String? parentId;
+  final AttachmentParentType parentType;
+  final AttachmentsStatus status;
+  final String? error;
+  final List<AttachmentModel> localFiles;
+  final List<AttachmentModel> remoteFiles;
+  final List<AttachmentModel> selectedFiles;
+
+  const AttachmentsState({
+    this.parentId,
+    required this.parentType,
+    required this.status,
+    this.error,
+    this.localFiles = const [],
+    this.remoteFiles = const [],
+    this.selectedFiles = const [],
+  });
+
+  @override
+  List<Object?> get props => [
+    parentId,
+    parentType,
+    status,
+    error,
+    localFiles,
+    remoteFiles,
+    selectedFiles,
+  ];
+
+  List<AttachmentModel> get allFiles => [...remoteFiles, ...localFiles];
+
+  AttachmentsState copyWith({
+    String? parentId,
+    AttachmentParentType? parentType,
+    AttachmentsStatus? status,
+    String? error,
+    List<AttachmentModel>? localFiles,
+    List<AttachmentModel>? remoteFiles,
+    List<AttachmentModel>? selectedFiles,
+  }) {
+    return AttachmentsState(
+      parentId: parentId ?? this.parentId,
+      parentType: parentType ?? this.parentType,
+      status: status ?? this.status,
+      error: error,
+      localFiles: localFiles ?? this.localFiles,
+      remoteFiles: remoteFiles ?? this.remoteFiles,
+      selectedFiles: selectedFiles ?? this.selectedFiles,
+    );
+  }
+}