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chat support download updated

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This commit is contained in:
Abhishek Mali
2025-12-18 11:03:25 +05:30
parent bbde34fae4
commit b9fb9455e7
11 changed files with 416 additions and 131 deletions
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118
lib/widgets/chat_file_actions.dart Normal file
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import 'dart:io';
import 'package:flutter/material.dart';
import 'package:dio/dio.dart';
import 'package:flutter/services.dart';
import 'package:path_provider/path_provider.dart';
import '../screens/chat_file_viewer.dart';
class ChatFileActions {
static void show(
BuildContext context, {
required String url,
required String fileType,
}) {
showModalBottomSheet(
context: context,
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(top: Radius.circular(16)),
),
builder: (_) {
return SafeArea(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
_actionTile(
icon: Icons.open_in_new,
title: "Open",
onTap: () {
Navigator.pop(context);
ChatFileViewer.open(
context,
url: url,
fileType: fileType,
);
},
),
_actionTile(
icon: Icons.download,
title: "Download",
onTap: () async {
Navigator.pop(context);
await _downloadFile(context, url, fileType);
},
),
const SizedBox(height: 8),
],
),
);
},
);
}
static Widget _actionTile({
required IconData icon,
required String title,
required VoidCallback onTap,
}) {
return ListTile(
leading: Icon(icon),
title: Text(title),
onTap: onTap,
);
}
static Future<void> _scanFile(String path) async {
const platform = MethodChannel('media_scanner');
try {
await platform.invokeMethod('scanFile', {'path': path});
} catch (_) {}
}
// ===========================
// DOWNLOAD LOGIC
// ===========================
static Future<void> _downloadFile(
BuildContext context,
String url,
String fileType,
) async {
try {
final fileName = url.split('/').last;
Directory baseDir;
if (fileType.startsWith('image/')) {
baseDir = Directory('/storage/emulated/0/Pictures/KentChat');
} else if (fileType.startsWith('video/')) {
baseDir = Directory('/storage/emulated/0/Movies/KentChat');
} else {
baseDir = Directory('/storage/emulated/0/Download/KentChat');
}
if (!await baseDir.exists()) {
await baseDir.create(recursive: true);
}
final filePath = "${baseDir.path}/$fileName";
await Dio().download(url, filePath);
// 🔔 IMPORTANT: Tell Android to scan the file
await _scanFile(filePath);
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text("Saved to ${baseDir.path}")),
);
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text("Download failed")),
);
}
}
}

155
lib/widgets/chat_file_preview.dart
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@@ -1,99 +1,118 @@
import 'dart:io';
import 'package:flutter/material.dart';
import '../services/dio_client.dart';
import '../screens/chat_file_viewer.dart';
import '../widgets/chat_file_actions.dart';
class ChatFilePreview extends StatelessWidget {
final String filePath;
final String fileType;
final bool isUser;
final bool isLocal;
const ChatFilePreview({
super.key,
required this.filePath,
required this.fileType,
required this.isUser,
this.isLocal = false,
});
@override
Widget build(BuildContext context) {
final url = "${DioClient.baseUrl}/storage/$filePath";
final textColor = isUser ? Colors.white : Colors.black;
// IMAGE PREVIEW
if (fileType.startsWith('image/')) {
return GestureDetector(
onTap: () => ChatFileViewer.open(
context,
url: url,
fileType: fileType,
),
child: ClipRRect(
borderRadius: BorderRadius.circular(8),
child: Image.network(
url,
width: 180,
height: 120,
fit: BoxFit.cover,
),
),
// LOCAL IMAGE (uploading preview)
if (isLocal && fileType.startsWith('image/')) {
return Image.file(
File(filePath),
width: 180,
height: 120,
fit: BoxFit.cover,
);
}
// VIDEO PREVIEW
if (fileType.startsWith('video/')) {
return GestureDetector(
onTap: () => ChatFileViewer.open(
context,
url: url,
fileType: fileType,
),
child: Stack(
alignment: Alignment.center,
children: [
Container(
width: 180,
height: 120,
decoration: BoxDecoration(
color: Colors.black26,
borderRadius: BorderRadius.circular(8),
),
child: const Icon(
Icons.videocam,
size: 50,
color: Colors.white70,
),
),
const Icon(
Icons.play_circle_fill,
size: 56,
color: Colors.white,
),
],
),
);
}
// PDF / FILE PREVIEW
return GestureDetector(
onTap: () => ChatFileViewer.open(
context,
url: url,
fileType: fileType,
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(_fileIcon(fileType), color: textColor),
const SizedBox(width: 8),
Text(
_fileLabel(fileType),
style: TextStyle(color: textColor),
),
],
),
onTap: () {
// ✅ TAP = OPEN
ChatFileViewer.open(
context,
url: url,
fileType: fileType,
);
},
onLongPress: () {
// ✅ LONG PRESS = OPEN / DOWNLOAD
ChatFileActions.show(
context,
url: url,
fileType: fileType,
);
},
child: _buildPreviewUI(textColor, url),
);
}
Widget _buildPreviewUI(Color textColor, String url) {
// IMAGE
if (fileType.startsWith('image/')) {
return ClipRRect(
borderRadius: BorderRadius.circular(8),
child: Image.network(
url,
width: 180,
height: 120,
fit: BoxFit.cover,
),
);
}
// VIDEO
if (fileType.startsWith('video/')) {
return Stack(
alignment: Alignment.center,
children: [
Container(
width: 180,
height: 120,
decoration: BoxDecoration(
color: Colors.black26,
borderRadius: BorderRadius.circular(8),
),
child: const Icon(
Icons.videocam,
size: 50,
color: Colors.white70,
),
),
const Icon(
Icons.play_circle_fill,
size: 56,
color: Colors.white,
),
],
);
}
// PDF / OTHER FILES
return Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(_fileIcon(fileType), color: textColor),
const SizedBox(width: 8),
Text(
_fileLabel(fileType),
style: TextStyle(color: textColor),
),
],
);
}
IconData _fileIcon(String type) {
if (type == 'application/pdf') return Icons.picture_as_pdf;
if (type.contains('excel')) return Icons.table_chart;