refactor pesantissimo dei Customer Files

lib/features/customers/blocs/customer_cubit.dart

@@ -3,6 +3,7 @@ import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:equatable/equatable.dart';
 import 'package:flux/core/blocs/session/session_cubit.dart';
 import 'package:flux/features/customers/data/customer_repository.dart';
+import 'package:flux/features/customers/models/customer_file_model.dart';
 import 'package:flux/features/customers/models/customer_model.dart';
 import 'package:get_it/get_it.dart';
 

lib/features/customers/blocs/customer_files_bloc.dart

@@ -0,0 +1,93 @@
+import 'dart:io';
+
+import 'package:file_picker/file_picker.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:equatable/equatable.dart';
+import 'package:flux/features/customers/data/customer_repository.dart';
+import 'package:flux/features/customers/models/customer_file_model.dart';
+import 'package:get_it/get_it.dart';
+
+part 'customer_files_events.dart';
+part 'customer_files_state.dart';
+
+class CustomerFilesBloc extends Bloc<CustomerFilesEvent, CustomerFilesState> {
+  final CustomerRepository _repository = GetIt.I<CustomerRepository>();
+  final String customerId;
+  CustomerFilesBloc(this.customerId)
+    : super(const CustomerFilesState(status: CustomerFilesStatus.initial)) {
+    on<LoadCustomerFilesEvent>(_loadCustomerFiles);
+    on<UploadCustomerFileEvent>(_uploadCustomerFile);
+    on<DeleteCustomerFileEvent>(_deleteCustomerFile);
+    on<ToggleCustomerFileSelectionEvent>(_toggleCustomerFileSelection);
+  }
+  void _loadCustomerFiles(
+    LoadCustomerFilesEvent event,
+    Emitter<CustomerFilesState> emit,
+  ) async {
+    await emit.forEach<List<CustomerFileModel>>(
+      _repository.getCustomerFilesStream(customerId),
+      onData: (customerFiles) => CustomerFilesState(
+        status: CustomerFilesStatus.success,
+        customerFiles: customerFiles,
+      ),
+      onError: (error, stackTrace) => CustomerFilesState(
+        status: CustomerFilesStatus.failure,
+        error: error.toString(),
+      ),
+    );
+  }
+
+  Future<void> _uploadCustomerFile(
+    UploadCustomerFileEvent event,
+    Emitter<CustomerFilesState> emit,
+  ) async {
+    emit(state.copyWith(status: CustomerFilesStatus.uploading));
+    if (event.pickedFile != null) {
+      try {
+        await _repository.uploadAndRegisterFile(
+          customerId: customerId,
+          pickedFile: event.pickedFile!,
+        );
+        emit(state.copyWith(status: CustomerFilesStatus.success));
+      } catch (e) {
+        emit(
+          state.copyWith(
+            status: CustomerFilesStatus.failure,
+            error: e.toString(),
+          ),
+        );
+      }
+    }
+  }
+
+  Future<void> _deleteCustomerFile(
+    DeleteCustomerFileEvent event,
+    Emitter<CustomerFilesState> emit,
+  ) async {
+    emit(state.copyWith(status: CustomerFilesStatus.loading));
+    try {
+      await _repository.deleteDocument(event.file);
+      emit(state.copyWith(status: CustomerFilesStatus.success));
+    } catch (e) {
+      emit(
+        state.copyWith(
+          status: CustomerFilesStatus.failure,
+          error: e.toString(),
+        ),
+      );
+    }
+  }
+
+  void _toggleCustomerFileSelection(
+    ToggleCustomerFileSelectionEvent event,
+    Emitter<CustomerFilesState> emit,
+  ) {
+    List<CustomerFileModel> selectedFiles = List.from(state.selectedFiles);
+    if (selectedFiles.contains(event.file)) {
+      selectedFiles.remove(event.file);
+    } else {
+      selectedFiles.add(event.file);
+    }
+    emit(state.copyWith(selectedFiles: selectedFiles));
+  }
+}

lib/features/customers/blocs/customer_files_events.dart

@@ -0,0 +1,26 @@
+part of 'customer_files_bloc.dart';
+
+abstract class CustomerFilesEvent extends Equatable {
+  const CustomerFilesEvent();
+
+  @override
+  List<Object> get props => [];
+}
+
+class LoadCustomerFilesEvent extends CustomerFilesEvent {}
+
+class UploadCustomerFileEvent extends CustomerFilesEvent {
+  final PlatformFile? pickedFile;
+  final File? photo;
+  const UploadCustomerFileEvent({this.pickedFile, this.photo});
+}
+
+class DeleteCustomerFileEvent extends CustomerFilesEvent {
+  final CustomerFileModel file;
+  const DeleteCustomerFileEvent(this.file);
+}
+
+class ToggleCustomerFileSelectionEvent extends CustomerFilesEvent {
+  final CustomerFileModel file;
+  const ToggleCustomerFileSelectionEvent(this.file);
+}

lib/features/customers/blocs/customer_files_state.dart

@@ -0,0 +1,34 @@
+part of 'customer_files_bloc.dart';
+
+enum CustomerFilesStatus { initial, loading, uploading, success, failure }
+
+class CustomerFilesState extends Equatable {
+  const CustomerFilesState({
+    required this.status,
+    this.error,
+    this.customerFiles = const [],
+    this.selectedFiles = const [],
+  });
+
+  final CustomerFilesStatus status;
+  final String? error;
+  final List<CustomerFileModel> customerFiles;
+  final List<CustomerFileModel> selectedFiles;
+
+  @override
+  List<Object?> get props => [status, error, customerFiles, selectedFiles];
+
+  CustomerFilesState copyWith({
+    CustomerFilesStatus? status,
+    String? error,
+    List<CustomerFileModel>? customerFiles,
+    List<CustomerFileModel>? selectedFiles,
+  }) {
+    return CustomerFilesState(
+      status: status ?? this.status,
+      error: error,
+      customerFiles: customerFiles ?? this.customerFiles,
+      selectedFiles: selectedFiles ?? this.selectedFiles,
+    );
+  }
+}

lib/features/customers/blocs/customer_state.dart

@@ -1,18 +1,27 @@
 part of 'customer_cubit.dart';
 
-enum CustomerStatus { initial, loading, success, failure }
+enum CustomerStatus {
+  initial,
+  loading,
+  filesLoading,
+  filesUploading,
+  success,
+  failure,
+}
 
 class CustomerState extends Equatable {
   final CustomerStatus status;
   final List<CustomerModel> customers;
   final CustomerModel? lastCreatedCustomer;
   final String? errorMessage;
+  final List<CustomerFileModel> customerFiles;
 
   const CustomerState({
     this.status = CustomerStatus.initial,
     this.customers = const [],
     this.lastCreatedCustomer,
     this.errorMessage,
+    this.customerFiles = const [],
   });
 
   CustomerState copyWith({
@@ -20,12 +29,14 @@ class CustomerState extends Equatable {
     List<CustomerModel>? customers,
     CustomerModel? lastCreatedCustomer,
     String? errorMessage,
+    List<CustomerFileModel>? customerFiles,
   }) {
     return CustomerState(
       status: status ?? this.status,
       customers: customers ?? this.customers,
       lastCreatedCustomer: lastCreatedCustomer ?? this.lastCreatedCustomer,
       errorMessage: errorMessage ?? this.errorMessage,
+      customerFiles: customerFiles ?? this.customerFiles,
     );
   }
 
@@ -35,5 +46,6 @@ class CustomerState extends Equatable {
     customers,
     lastCreatedCustomer,
     errorMessage,
+    customerFiles,
   ];
 }