Files
paperless-mobile/lib/features/document_upload/view/document_upload_preparation_page.dart
2024-01-03 20:22:28 +01:00

413 lines
18 KiB
Dart

import 'dart:async';
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_form_builder/flutter_form_builder.dart';
import 'package:go_router/go_router.dart';
import 'package:hive/hive.dart';
import 'package:intl/intl.dart';
import 'package:paperless_api/paperless_api.dart';
import 'package:paperless_mobile/core/database/hive/hive_config.dart';
import 'package:paperless_mobile/core/database/tables/global_settings.dart';
import 'package:paperless_mobile/core/database/tables/local_user_account.dart';
import 'package:paperless_mobile/core/extensions/flutter_extensions.dart';
import 'package:paperless_mobile/core/repository/label_repository.dart';
import 'package:paperless_mobile/core/widgets/form_builder_fields/form_builder_localized_date_picker.dart';
import 'package:paperless_mobile/core/widgets/future_or_builder.dart';
import 'package:paperless_mobile/features/document_upload/cubit/document_upload_cubit.dart';
import 'package:paperless_mobile/features/labels/tags/view/widgets/tags_form_field.dart';
import 'package:paperless_mobile/features/labels/view/widgets/label_form_field.dart';
import 'package:paperless_mobile/features/logging/data/logger.dart';
import 'package:paperless_mobile/features/sharing/view/widgets/file_thumbnail.dart';
import 'package:paperless_mobile/generated/l10n/app_localizations.dart';
import 'package:paperless_mobile/helpers/message_helpers.dart';
import 'package:paperless_mobile/routing/routes/labels_route.dart';
import 'package:paperless_mobile/routing/routes/shells/authenticated_route.dart';
class DocumentUploadResult {
final bool success;
final String? taskId;
DocumentUploadResult(this.success, this.taskId);
}
class DocumentUploadPreparationPage extends StatefulWidget {
final FutureOr<Uint8List> fileBytes;
final String? title;
final String? filename;
final String? fileExtension;
const DocumentUploadPreparationPage({
Key? key,
required this.fileBytes,
this.title,
this.filename,
this.fileExtension,
}) : super(key: key);
@override
State<DocumentUploadPreparationPage> createState() =>
_DocumentUploadPreparationPageState();
}
class _DocumentUploadPreparationPageState
extends State<DocumentUploadPreparationPage> {
static const fkFileName = "filename";
static final fileNameDateFormat = DateFormat("yyyy_MM_ddTHH_mm_ss");
final GlobalKey<FormBuilderState> _formKey = GlobalKey();
Map<String, String> _errors = {};
late bool _syncTitleAndFilename;
bool _showDatePickerDeleteIcon = false;
final _now = DateTime.now();
@override
void initState() {
super.initState();
_syncTitleAndFilename = widget.filename == null && widget.title == null;
}
@override
Widget build(BuildContext context) {
final labelRepository = context.watch<LabelRepository>();
return BlocBuilder<DocumentUploadCubit, DocumentUploadState>(
builder: (context, state) {
return Scaffold(
extendBodyBehindAppBar: false,
resizeToAvoidBottomInset: true,
floatingActionButton: Visibility(
visible: MediaQuery.of(context).viewInsets.bottom == 0,
child: FloatingActionButton.extended(
heroTag: "fab_document_upload",
onPressed: state.uploadProgress == null ? _onSubmit : null,
label: state.uploadProgress == null
? Text(S.of(context)!.upload)
: Text("Uploading..."), //TODO: INTL
icon: state.uploadProgress == null
? const Icon(Icons.upload)
: SizedBox(
height: 24,
width: 24,
child: CircularProgressIndicator(
strokeWidth: 3,
value: state.uploadProgress,
)).padded(4),
),
),
body: FormBuilder(
key: _formKey,
child: NestedScrollView(
headerSliverBuilder: (context, innerBoxIsScrolled) => [
SliverOverlapAbsorber(
handle:
NestedScrollView.sliverOverlapAbsorberHandleFor(context),
sliver: SliverAppBar(
leading: const BackButton(),
pinned: true,
expandedHeight: 150,
flexibleSpace: FlexibleSpaceBar(
background: FutureOrBuilder<Uint8List>(
future: widget.fileBytes,
builder: (context, snapshot) {
if (!snapshot.hasData) {
return const SizedBox.shrink();
}
return FileThumbnail(
bytes: snapshot.data!,
fit: BoxFit.fitWidth,
width: MediaQuery.sizeOf(context).width,
);
},
),
title: Text(S.of(context)!.prepareDocument),
collapseMode: CollapseMode.pin,
),
),
),
],
body: Padding(
padding: const EdgeInsets.only(top: 16.0),
child: Builder(
builder: (context) {
return CustomScrollView(
slivers: [
SliverOverlapInjector(
handle:
NestedScrollView.sliverOverlapAbsorberHandleFor(
context),
),
SliverList.list(
children: [
// Title
FormBuilderTextField(
autovalidateMode: AutovalidateMode.always,
name: DocumentModel.titleKey,
initialValue: widget.title ??
"scan_${fileNameDateFormat.format(_now)}",
validator: (value) {
if (value?.trim().isEmpty ?? true) {
return S.of(context)!.thisFieldIsRequired;
}
return null;
},
decoration: InputDecoration(
labelText: S.of(context)!.title,
suffixIcon: IconButton(
icon: const Icon(Icons.close),
onPressed: () {
_formKey.currentState
?.fields[DocumentModel.titleKey]
?.didChange("");
if (_syncTitleAndFilename) {
_formKey.currentState?.fields[fkFileName]
?.didChange("");
}
},
),
errorText: _errors[DocumentModel.titleKey],
),
onChanged: (value) {
final String transformedValue =
_formatFilename(value ?? '');
if (_syncTitleAndFilename) {
_formKey.currentState?.fields[fkFileName]
?.didChange(transformedValue);
}
},
),
// Filename
FormBuilderTextField(
autovalidateMode: AutovalidateMode.always,
readOnly: _syncTitleAndFilename,
enabled: !_syncTitleAndFilename,
name: fkFileName,
decoration: InputDecoration(
labelText: S.of(context)!.fileName,
suffixText: widget.fileExtension,
suffixIcon: IconButton(
icon: const Icon(Icons.clear),
onPressed: () => _formKey
.currentState?.fields[fkFileName]
?.didChange(''),
),
),
initialValue: widget.filename ??
"scan_${fileNameDateFormat.format(_now)}",
),
// Synchronize title and filename
SwitchListTile(
value: _syncTitleAndFilename,
onChanged: (value) {
setState(
() => _syncTitleAndFilename = value,
);
if (_syncTitleAndFilename) {
final String transformedValue =
_formatFilename(_formKey
.currentState
?.fields[DocumentModel.titleKey]
?.value as String);
if (_syncTitleAndFilename) {
_formKey.currentState?.fields[fkFileName]
?.didChange(transformedValue);
}
}
},
title: Text(
S.of(context)!.synchronizeTitleAndFilename,
),
),
// Created at
FormBuilderLocalizedDatePicker(
name: DocumentModel.createdKey,
firstDate: DateTime(1970, 1, 1),
lastDate: DateTime(2100, 1, 1),
locale: Localizations.localeOf(context),
labelText: S.of(context)!.createdAt + " *",
allowUnset: true,
),
// Correspondent
if (context
.watch<LocalUserAccount>()
.paperlessUser
.canViewCorrespondents)
LabelFormField<Correspondent>(
showAnyAssignedOption: false,
showNotAssignedOption: false,
onAddLabel: (initialName) => CreateLabelRoute(
LabelType.correspondent,
name: initialName,
).push<Correspondent>(context),
addLabelText: S.of(context)!.addCorrespondent,
labelText: S.of(context)!.correspondent + " *",
name: DocumentModel.correspondentKey,
options: labelRepository.correspondents,
prefixIcon: const Icon(Icons.person_outline),
allowSelectUnassigned: true,
canCreateNewLabel: context
.watch<LocalUserAccount>()
.paperlessUser
.canCreateCorrespondents,
),
// Document type
if (context
.watch<LocalUserAccount>()
.paperlessUser
.canViewDocumentTypes)
LabelFormField<DocumentType>(
showAnyAssignedOption: false,
showNotAssignedOption: false,
onAddLabel: (initialName) => CreateLabelRoute(
LabelType.documentType,
name: initialName,
).push<DocumentType>(context),
addLabelText: S.of(context)!.addDocumentType,
labelText: S.of(context)!.documentType + " *",
name: DocumentModel.documentTypeKey,
options: labelRepository.documentTypes,
prefixIcon:
const Icon(Icons.description_outlined),
allowSelectUnassigned: true,
canCreateNewLabel: context
.watch<LocalUserAccount>()
.paperlessUser
.canCreateDocumentTypes,
),
if (context
.watch<LocalUserAccount>()
.paperlessUser
.canViewTags)
TagsFormField(
name: DocumentModel.tagsKey,
allowCreation: true,
allowExclude: false,
allowOnlySelection: true,
options: labelRepository.tags,
),
Text(
"* " + S.of(context)!.uploadInferValuesHint,
style: Theme.of(context).textTheme.bodySmall,
textAlign: TextAlign.justify,
).padded(),
const SizedBox(height: 300),
].padded(),
),
],
);
},
),
),
),
),
);
},
);
}
void _onSubmit() async {
if (_formKey.currentState?.saveAndValidate() ?? false) {
final cubit = context.read<DocumentUploadCubit>();
try {
final formValues = _formKey.currentState!.value;
final correspondentParam =
formValues[DocumentModel.correspondentKey] as IdQueryParameter?;
final docTypeParam =
formValues[DocumentModel.documentTypeKey] as IdQueryParameter?;
final tagsParam = formValues[DocumentModel.tagsKey] as TagsQuery?;
final createdAt = formValues[DocumentModel.createdKey] as FormDateTime?;
final title = formValues[DocumentModel.titleKey] as String;
final correspondent = switch (correspondentParam) {
SetIdQueryParameter(id: var id) => id,
_ => null,
};
final docType = switch (docTypeParam) {
SetIdQueryParameter(id: var id) => id,
_ => null,
};
final tags = switch (tagsParam) {
IdsTagsQuery(include: var ids) => ids,
_ => const <int>[],
};
final asn = formValues[DocumentModel.asnKey] as int?;
final taskId = await cubit.upload(
await widget.fileBytes,
filename: _padWithExtension(
_formKey.currentState?.value[fkFileName],
widget.fileExtension,
),
userId: Hive.box<GlobalSettings>(HiveBoxes.globalSettings)
.getValue()!
.loggedInUserId!,
title: title,
documentType: docType,
correspondent: correspondent,
tags: tags,
createdAt: createdAt?.toDateTime(),
asn: asn,
);
showSnackBar(
context,
S.of(context)!.documentSuccessfullyUploadedProcessing,
);
context.pop(DocumentUploadResult(true, taskId));
} on PaperlessFormValidationException catch (exception) {
setState(() => _errors = exception.validationMessages);
} catch (error, stackTrace) {
logger.fe(
"An unknown error occurred during document upload.",
className: runtimeType.toString(),
methodName: "_onSubmit",
error: error,
stackTrace: stackTrace,
);
showErrorMessage(
context,
const PaperlessApiException.unknown(),
stackTrace,
);
}
}
}
String _padWithExtension(String source, [String? extension]) {
final ext = extension ?? '.pdf';
return source.endsWith(ext) ? source : '$source$ext';
}
String _formatFilename(String source) {
return source.replaceAll(RegExp(r"[\W_]"), "_").toLowerCase();
}
// Future<Color> _computeAverageColor() async {
// final bitmap = img.decodeImage(await widget.fileBytes);
// if (bitmap == null) {
// return Colors.black;
// }
// int redBucket = 0;
// int greenBucket = 0;
// int blueBucket = 0;
// int pixelCount = 0;
// for (int y = 0; y < bitmap.height; y++) {
// for (int x = 0; x < bitmap.width; x++) {
// final c = bitmap.getPixel(x, y);
// pixelCount++;
// redBucket += c.r.toInt();
// greenBucket += c.g.toInt();
// blueBucket += c.b.toInt();
// }
// }
// return Color.fromRGBO(
// redBucket ~/ pixelCount,
// greenBucket ~/ pixelCount,
// blueBucket ~/ pixelCount,
// 1,
// );
// }
}