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