Files
App/lib/widgets/attachment_uploader.dart
2025-09-24 20:29:30 +08:00

364 lines
14 KiB
Dart

import 'dart:typed_data';
import 'package:cross_file/cross_file.dart';
import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:island/models/file.dart';
import 'package:island/models/file_pool.dart';
import 'package:island/pods/file_pool.dart';
import 'package:island/widgets/content/attachment_preview.dart';
import 'package:island/widgets/content/sheet.dart';
import 'package:island/widgets/post/compose_shared.dart';
import 'package:easy_localization/easy_localization.dart';
import 'package:gap/gap.dart';
import 'package:material_symbols_icons/symbols.dart';
import 'package:styled_widget/styled_widget.dart';
class AttachmentUploadConfig {
final String poolId;
final bool hasConstraints;
const AttachmentUploadConfig({
required this.poolId,
required this.hasConstraints,
});
}
class AttachmentUploaderSheet extends StatefulWidget {
final WidgetRef ref;
final ComposeState state;
final int index;
const AttachmentUploaderSheet({
super.key,
required this.ref,
required this.state,
required this.index,
});
@override
State<AttachmentUploaderSheet> createState() =>
_AttachmentUploaderSheetState();
}
class _AttachmentUploaderSheetState extends State<AttachmentUploaderSheet> {
String? selectedPoolId;
@override
Widget build(BuildContext context) {
final attachment = widget.state.attachments.value[widget.index];
return SheetScaffold(
titleText: 'uploadAttachment'.tr(),
child: FutureBuilder<List<SnFilePool>>(
future: widget.ref.read(poolsProvider.future),
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.waiting) {
return const Center(child: CircularProgressIndicator());
}
if (snapshot.hasError) {
return Center(child: Text('errorLoadingPools'.tr()));
}
final pools = snapshot.data!;
selectedPoolId ??= resolveDefaultPoolId(widget.ref, pools);
return Column(
children: [
Expanded(
child: SingleChildScrollView(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
DropdownButtonFormField<String>(
value: selectedPoolId,
items:
pools.map((pool) {
return DropdownMenuItem<String>(
value: pool.id,
child: Text(pool.name),
);
}).toList(),
onChanged: (value) {
setState(() {
selectedPoolId = value;
});
},
decoration: InputDecoration(
labelText: 'selectPool'.tr(),
border: const OutlineInputBorder(),
hintText: 'choosePool'.tr(),
),
),
const Gap(16),
FutureBuilder<int?>(
future: _getFileSize(attachment),
builder: (context, sizeSnapshot) {
if (!sizeSnapshot.hasData) {
return const SizedBox.shrink();
}
final fileSize = sizeSnapshot.data!;
final selectedPool = pools.firstWhere(
(p) => p.id == selectedPoolId,
);
// Check file size limit
final maxFileSize =
selectedPool.policyConfig?['max_file_size']
as int?;
final fileSizeExceeded =
maxFileSize != null && fileSize > maxFileSize;
// Check accepted types
final acceptTypes =
selectedPool.policyConfig?['accept_types']
as List?;
final mimeType =
attachment.data.mimeType ??
ComposeLogic.getMimeTypeFromFileType(
attachment.type,
);
final typeAccepted =
acceptTypes == null ||
acceptTypes.isEmpty ||
acceptTypes.any(
(type) => mimeType.startsWith(type),
);
final hasIssues = fileSizeExceeded || !typeAccepted;
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
if (hasIssues) ...[
Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color:
Theme.of(
context,
).colorScheme.errorContainer,
borderRadius: BorderRadius.circular(8),
),
child: Column(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
Symbols.warning,
size: 18,
color:
Theme.of(
context,
).colorScheme.error,
),
const Gap(8),
Text(
'uploadConstraints'.tr(),
style: Theme.of(
context,
).textTheme.bodyMedium?.copyWith(
color:
Theme.of(
context,
).colorScheme.error,
fontWeight: FontWeight.w600,
),
),
],
),
if (fileSizeExceeded) ...[
const Gap(4),
Text(
'fileSizeExceeded'.tr(
args: [
_formatFileSize(maxFileSize),
],
),
style: Theme.of(
context,
).textTheme.bodySmall?.copyWith(
color:
Theme.of(
context,
).colorScheme.error,
),
),
],
if (!typeAccepted) ...[
const Gap(4),
Text(
'fileTypeNotAccepted'.tr(),
style: Theme.of(
context,
).textTheme.bodySmall?.copyWith(
color:
Theme.of(
context,
).colorScheme.error,
),
),
],
],
),
),
const Gap(12),
],
Row(
spacing: 6,
children: [
const Icon(
Symbols.account_balance_wallet,
size: 18,
),
Expanded(
child: Text(
'quotaCostInfo'.tr(
args: [
_formatQuotaCost(
fileSize,
selectedPool,
),
],
),
style:
Theme.of(
context,
).textTheme.bodyMedium,
).fontSize(13),
),
],
).padding(horizontal: 4),
],
);
},
),
const Gap(4),
Row(
spacing: 6,
children: [
const Icon(Symbols.info, size: 18),
Text(
'attachmentPreview'.tr(),
style: Theme.of(context).textTheme.titleMedium,
).fontSize(13),
],
).padding(horizontal: 4),
const Gap(8),
AttachmentPreview(item: attachment, isCompact: true),
],
),
),
),
Padding(
padding: const EdgeInsets.all(16),
child: Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
TextButton.icon(
onPressed: () => Navigator.pop(context),
icon: const Icon(Symbols.close),
label: Text('cancel').tr(),
),
const Gap(8),
TextButton.icon(
onPressed: () => _confirmUpload(),
icon: const Icon(Symbols.upload),
label: Text('upload').tr(),
),
],
),
),
],
);
},
),
);
}
Future<AttachmentUploadConfig?> _getUploadConfig() async {
final attachment = widget.state.attachments.value[widget.index];
final fileSize = await _getFileSize(attachment);
if (fileSize == null) return null;
// Get the selected pool to check constraints
final pools = await widget.ref.read(poolsProvider.future);
final selectedPool = pools.firstWhere((p) => p.id == selectedPoolId);
// Check constraints
final maxFileSize = selectedPool.policyConfig?['max_file_size'] as int?;
final fileSizeExceeded = maxFileSize != null && fileSize > maxFileSize;
final acceptTypes = selectedPool.policyConfig?['accept_types'] as List?;
final mimeType =
attachment.data.mimeType ??
ComposeLogic.getMimeTypeFromFileType(attachment.type);
final typeAccepted =
acceptTypes == null ||
acceptTypes.isEmpty ||
acceptTypes.any((type) => mimeType.startsWith(type));
final hasConstraints = fileSizeExceeded || !typeAccepted;
return AttachmentUploadConfig(
poolId: selectedPoolId!,
hasConstraints: hasConstraints,
);
}
Future<void> _confirmUpload() async {
final config = await _getUploadConfig();
if (config != null && mounted) {
Navigator.pop(context, config);
}
}
Future<int?> _getFileSize(UniversalFile attachment) async {
if (attachment.data is XFile) {
try {
return await (attachment.data as XFile).length();
} catch (e) {
return null;
}
} else if (attachment.data is SnCloudFile) {
return (attachment.data as SnCloudFile).size;
} else if (attachment.data is List<int>) {
return (attachment.data as List<int>).length;
} else if (attachment.data is Uint8List) {
return (attachment.data as Uint8List).length;
}
return null;
}
String _formatNumber(int number) {
if (number >= 1000000) {
return '${(number / 1000000).toStringAsFixed(1)}M';
} else if (number >= 1000) {
return '${(number / 1000).toStringAsFixed(1)}K';
} else {
return number.toString();
}
}
String _formatFileSize(int bytes) {
if (bytes >= 1073741824) {
return '${(bytes / 1073741824).toStringAsFixed(1)} GB';
} else if (bytes >= 1048576) {
return '${(bytes / 1048576).toStringAsFixed(1)} MB';
} else if (bytes >= 1024) {
return '${(bytes / 1024).toStringAsFixed(1)} KB';
} else {
return '$bytes bytes';
}
}
String _formatQuotaCost(int fileSize, SnFilePool pool) {
final costMultiplier = pool.billingConfig?['cost_multiplier'] ?? 1.0;
final quotaCost = ((fileSize / 1024 / 1024) * costMultiplier).round();
return _formatNumber(quotaCost);
}
}