wesal/frontend/lib/widgets/comments_widget.dart
2025-07-27 13:14:42 +03:00

526 lines
17 KiB
Dart

import 'package:flutter/material.dart';
import '../models/comment_models.dart';
import '../services/post_service.dart';
class CommentsWidget extends StatefulWidget {
final String postId;
final int commentCount;
const CommentsWidget({
Key? key,
required this.postId,
required this.commentCount,
}) : super(key: key);
@override
_CommentsWidgetState createState() => _CommentsWidgetState();
}
class _CommentsWidgetState extends State<CommentsWidget> {
List<Comment> comments = [];
bool isLoading = true;
String? errorMessage;
final TextEditingController _commentController = TextEditingController();
bool _isCreatingComment = false;
Comment? _replyingTo;
@override
void initState() {
super.initState();
_loadComments();
}
@override
void dispose() {
_commentController.dispose();
super.dispose();
}
Future<void> _loadComments() async {
setState(() {
isLoading = true;
errorMessage = null;
});
final result = await PostService.getComments(widget.postId);
setState(() {
isLoading = false;
if (result['success'] == true) {
comments = result['comments'] as List<Comment>;
} else {
errorMessage = result['message'] ?? 'Failed to load comments';
comments = [];
}
});
}
void _setReplyingTo(Comment? comment) {
setState(() {
_replyingTo = comment;
if (comment == null) {
_commentController.clear();
}
});
}
Future<void> _createComment() async {
final body = _commentController.text.trim();
if (body.isEmpty || _isCreatingComment) return;
setState(() {
_isCreatingComment = true;
});
try {
final result = await PostService.createComment(
postId: widget.postId,
body: body,
replyComment: _replyingTo?.id,
);
if (result['success'] == true) {
_commentController.clear();
_setReplyingTo(null);
await _loadComments(); // Reload comments to show the new one
} else {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(result['message'] ?? 'Failed to create comment'),
backgroundColor: Colors.red,
),
);
}
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Network error occurred'),
backgroundColor: Colors.red,
),
);
} finally {
setState(() {
_isCreatingComment = false;
});
}
}
String _formatTimeAgo(DateTime dateTime) {
final now = DateTime.now();
final difference = now.difference(dateTime);
if (difference.inDays > 0) {
return '${difference.inDays}d ago';
} else if (difference.inHours > 0) {
return '${difference.inHours}h ago';
} else if (difference.inMinutes > 0) {
return '${difference.inMinutes}m ago';
} else {
return 'Just now';
}
}
Widget _buildComment(Comment comment, {double leftPadding = 0}) {
final safePadding = leftPadding < 0 ? 0.0 : leftPadding;
return Container(
margin: EdgeInsets.only(left: safePadding, bottom: 12),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Avatar
CircleAvatar(
radius: 16,
backgroundColor: Color(0xFF6A4C93),
child: Text(
comment.creator.displayName.isNotEmpty
? comment.creator.displayName[0].toUpperCase()
: 'U',
style: TextStyle(
color: Colors.white,
fontSize: 12,
fontWeight: FontWeight.bold,
),
),
),
SizedBox(width: 8),
// Comment content
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Header with name and time
Row(
children: [
Text(
comment.creator.displayName,
style: TextStyle(
fontWeight: FontWeight.w600,
fontSize: 14,
color: Colors.black87,
),
),
SizedBox(width: 8),
Text(
_formatTimeAgo(comment.creationDate),
style: TextStyle(
fontSize: 12,
color: Colors.grey[600],
),
),
],
),
SizedBox(height: 4),
// Reply indicator if this is a reply
if (comment.replyUser != null) ...[
Container(
padding: EdgeInsets.symmetric(
horizontal: 8,
vertical: 2,
),
decoration: BoxDecoration(
color: Colors.grey[100],
borderRadius: BorderRadius.circular(12),
),
child: Text(
'Replying to ${comment.replyUser!.displayName}',
style: TextStyle(
fontSize: 11,
color: Colors.grey[600],
fontStyle: FontStyle.italic,
),
),
),
SizedBox(height: 6),
],
// Comment body
Text(
comment.body,
style: TextStyle(
fontSize: 14,
color: Colors.black87,
height: 1.3,
),
),
SizedBox(height: 8),
// Reply button
InkWell(
onTap: () => _setReplyingTo(comment),
child: Text(
'Reply',
style: TextStyle(
fontSize: 12,
color: Color(0xFF6A4C93),
fontWeight: FontWeight.w500,
),
),
),
],
),
),
],
),
// Replies
if (comment.replies.isNotEmpty) ...[
SizedBox(height: 12),
...comment.replies.map(
(reply) => _buildComment(reply, leftPadding: safePadding + 24),
),
],
],
),
);
}
Widget _buildErrorState() {
return Container(
padding: EdgeInsets.all(32),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.error_outline, size: 64, color: Colors.grey[400]),
SizedBox(height: 16),
Text(
'Failed to load comments',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Colors.grey[700],
),
),
SizedBox(height: 8),
Text(
errorMessage ?? 'Unknown error occurred',
textAlign: TextAlign.center,
style: TextStyle(fontSize: 14, color: Colors.grey[600]),
),
SizedBox(height: 16),
ElevatedButton.icon(
onPressed: _loadComments,
icon: Icon(Icons.refresh),
label: Text('Retry'),
style: ElevatedButton.styleFrom(
backgroundColor: Color(0xFF6A4C93),
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
),
),
],
),
);
}
Widget _buildEmptyState() {
return Container(
padding: EdgeInsets.all(32),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.chat_bubble_outline, size: 64, color: Colors.grey[400]),
SizedBox(height: 16),
Text(
'No comments yet',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Colors.grey[700],
),
),
SizedBox(height: 8),
Text(
'Be the first to share your thoughts!',
style: TextStyle(fontSize: 14, color: Colors.grey[600]),
),
],
),
);
}
@override
Widget build(BuildContext context) {
return Container(
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.vertical(top: Radius.circular(16)),
),
child: Column(
children: [
// Header
Container(
padding: EdgeInsets.all(16),
decoration: BoxDecoration(
border: Border(bottom: BorderSide(color: Colors.grey[200]!)),
),
child: Row(
children: [
Text(
'Comments',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Colors.black87,
),
),
if (widget.commentCount > 0) ...[
SizedBox(width: 8),
Container(
padding: EdgeInsets.symmetric(horizontal: 8, vertical: 2),
decoration: BoxDecoration(
color: Color(0xFF6A4C93).withOpacity(0.1),
borderRadius: BorderRadius.circular(12),
),
child: Text(
'${widget.commentCount}',
style: TextStyle(
fontSize: 12,
color: Color(0xFF6A4C93),
fontWeight: FontWeight.w600,
),
),
),
],
Spacer(),
if (isLoading)
SizedBox(
width: 16,
height: 16,
child: CircularProgressIndicator(
strokeWidth: 2,
valueColor: AlwaysStoppedAnimation<Color>(
Color(0xFF6A4C93),
),
),
),
],
),
),
// Content
Expanded(
child: isLoading
? Center(
child: CircularProgressIndicator(
valueColor: AlwaysStoppedAnimation<Color>(
Color(0xFF6A4C93),
),
),
)
: errorMessage != null
? _buildErrorState()
: comments.isEmpty
? _buildEmptyState()
: ListView.builder(
padding: EdgeInsets.only(left: 16, right: 16, top: 16),
itemCount: comments.length,
itemBuilder: (context, index) =>
_buildComment(comments[index]),
),
),
// Comment input section
Container(
decoration: BoxDecoration(
color: Colors.white,
border: Border(top: BorderSide(color: Colors.grey[200]!)),
),
padding: EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Reply indicator
if (_replyingTo != null) ...[
Container(
padding: EdgeInsets.symmetric(horizontal: 12, vertical: 8),
decoration: BoxDecoration(
color: Color(0xFF6A4C93).withOpacity(0.1),
borderRadius: BorderRadius.circular(8),
),
child: Row(
children: [
Icon(Icons.reply, size: 16, color: Color(0xFF6A4C93)),
SizedBox(width: 8),
Expanded(
child: Text(
'Replying to ${_replyingTo!.creator.displayName}',
style: TextStyle(
fontSize: 12,
color: Color(0xFF6A4C93),
fontWeight: FontWeight.w500,
),
),
),
IconButton(
onPressed: () => _setReplyingTo(null),
icon: Icon(
Icons.close,
size: 16,
color: Color(0xFF6A4C93),
),
constraints: BoxConstraints(
minWidth: 24,
minHeight: 24,
),
padding: EdgeInsets.zero,
),
],
),
),
SizedBox(height: 12),
],
// Comment input
Row(
children: [
CircleAvatar(
radius: 16,
backgroundColor: Color(0xFF6A4C93),
child: Text(
'U', // TODO: Use actual user initial
style: TextStyle(
color: Colors.white,
fontSize: 12,
fontWeight: FontWeight.bold,
),
),
),
SizedBox(width: 12),
Expanded(
child: Container(
decoration: BoxDecoration(
color: Colors.grey[50],
borderRadius: BorderRadius.circular(20),
border: Border.all(color: Colors.grey[300]!),
),
child: Row(
children: [
Expanded(
child: TextField(
controller: _commentController,
decoration: InputDecoration(
hintText: _replyingTo != null
? 'Reply to ${_replyingTo!.creator.displayName}...'
: 'Write a comment...',
border: InputBorder.none,
contentPadding: EdgeInsets.symmetric(
horizontal: 16,
vertical: 10,
),
hintStyle: TextStyle(
fontSize: 14,
color: Colors.grey[600],
),
),
maxLines: null,
textCapitalization:
TextCapitalization.sentences,
),
),
if (_isCreatingComment)
Container(
margin: EdgeInsets.only(right: 8),
width: 24,
height: 24,
child: CircularProgressIndicator(
strokeWidth: 2,
valueColor: AlwaysStoppedAnimation<Color>(
Color(0xFF6A4C93),
),
),
)
else
IconButton(
onPressed: _createComment,
icon: Icon(
Icons.send,
color: Color(0xFF6A4C93),
size: 20,
),
constraints: BoxConstraints(
minWidth: 36,
minHeight: 36,
),
),
],
),
),
),
],
),
],
),
),
],
),
);
}
}