657 lines
20 KiB
Dart
657 lines
20 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:share_plus/share_plus.dart';
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import '../../models/post_models.dart';
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import '../../services/post_service.dart';
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import '../../utils/invitation_utils.dart';
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import '../../widgets/comments_widget.dart';
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class PostViewPage extends StatefulWidget {
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final String postId;
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const PostViewPage({Key? key, required this.postId}) : super(key: key);
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@override
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_PostViewPageState createState() => _PostViewPageState();
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}
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class _PostViewPageState extends State<PostViewPage> {
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bool _isLoading = true;
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DetailedPost? _post;
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String _errorMessage = '';
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bool _isLiking = false;
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@override
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void initState() {
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super.initState();
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_loadPost();
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}
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Future<void> _loadPost() async {
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setState(() {
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_isLoading = true;
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_errorMessage = '';
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});
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try {
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final result = await PostService.getPost(widget.postId);
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setState(() {
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if (result['success']) {
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_post = result['post'];
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} else {
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_errorMessage = result['message'] ?? 'Failed to load post';
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}
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_isLoading = false;
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});
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} catch (e) {
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setState(() {
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_errorMessage = 'Network error: $e';
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_isLoading = false;
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});
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}
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}
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Color _getAvatarColor(String displayName) {
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final colors = [
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Color(0xFF32B0A5),
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Color(0xFF4600B9),
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Color(0xFF6A4C93),
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Color(0xFFFF6347),
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Color(0xFF32CD32),
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Color(0xFF9932CC),
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];
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int hash = displayName.hashCode;
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return colors[hash.abs() % colors.length];
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}
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String _getAvatarLetter(String displayName) {
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return displayName.isNotEmpty ? displayName[0].toUpperCase() : '?';
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}
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void _sharePost(DetailedPost post) {
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final shareText =
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'${post.creator.displayName} posted on Wesal.online:\n\n${post.body}';
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Share.share(shareText);
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}
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Future<void> _toggleLike() async {
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if (_isLiking || _post == null) return;
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setState(() {
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_isLiking = true;
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});
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try {
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Map<String, dynamic> result;
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if (_post!.liked) {
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result = await PostService.unlikePost(_post!.id);
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} else {
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result = await PostService.likePost(_post!.id);
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}
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if (result['success']) {
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await _loadPost(); // Reload to get updated data
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} else {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(result['message'] ?? 'Failed to update like'),
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backgroundColor: Colors.red,
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),
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);
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}
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}
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} catch (e) {
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if (mounted) {
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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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}
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} finally {
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setState(() {
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_isLiking = false;
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});
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}
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}
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Widget _buildLikedBySection() {
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if (_post == null || _post!.likes == 0) return SizedBox.shrink();
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final displayUsers = _post!.likedUsers.take(3).toList();
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return Container(
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margin: EdgeInsets.symmetric(horizontal: 16),
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child: GestureDetector(
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onTap: _showLikedUsers,
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child: Container(
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padding: EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(12),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.05),
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blurRadius: 10,
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offset: Offset(0, 2),
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),
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],
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),
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child: Row(
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children: [
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// Show up to 3 avatars
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...displayUsers.asMap().entries.map((entry) {
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final index = entry.key;
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final user = entry.value;
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final avatarColor = _getAvatarColor(user.displayName);
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final avatarLetter = _getAvatarLetter(user.displayName);
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return Transform.translate(
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offset: Offset(
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index < displayUsers.length - 1 ? -8 : 0,
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0,
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),
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child: CircleAvatar(
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radius: 16,
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backgroundColor: Colors.white,
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child: CircleAvatar(
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radius: 14,
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backgroundColor: avatarColor,
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child: Text(
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avatarLetter,
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style: TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.bold,
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fontSize: 12,
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),
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),
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),
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),
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);
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}).toList(),
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SizedBox(width: 12),
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Expanded(
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child: Text(
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_post!.likes == 1
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? 'Liked by ${_post!.likedUsers.first.displayName}'
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: _post!.likes == 2
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? 'Liked by ${_post!.likedUsers[0].displayName} and ${_post!.likedUsers[1].displayName}'
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: 'Liked by ${_post!.likedUsers[0].displayName}, ${_post!.likedUsers[1].displayName} and ${_post!.likes - 2} others',
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style: TextStyle(color: Colors.grey[700], fontSize: 14),
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),
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),
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Text(
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'See all',
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style: TextStyle(
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color: Color(0xFF6A4C93),
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fontSize: 14,
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fontWeight: FontWeight.w500,
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),
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),
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SizedBox(width: 4),
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Icon(Icons.arrow_forward_ios, size: 12, color: 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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void _showLikedUsers() {
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if (_post == null || _post!.likedUsers.isEmpty) return;
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showModalBottomSheet(
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context: context,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
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),
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builder: (context) => Container(
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padding: EdgeInsets.all(16),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Container(
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width: 50,
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height: 4,
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decoration: BoxDecoration(
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color: Colors.grey[300],
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borderRadius: BorderRadius.circular(2),
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),
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),
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SizedBox(height: 16),
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Text(
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'Liked by',
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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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SizedBox(height: 16),
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Flexible(
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child: ListView.builder(
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shrinkWrap: true,
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itemCount: _post!.likedUsers.length,
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itemBuilder: (context, index) {
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final user = _post!.likedUsers[index];
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final avatarColor = _getAvatarColor(user.displayName);
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final avatarLetter = _getAvatarLetter(user.displayName);
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final relativeTime = InvitationUtils.getRelativeTime(
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user.likeTime,
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);
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return ListTile(
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leading: CircleAvatar(
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radius: 20,
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backgroundColor: avatarColor,
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child: Text(
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avatarLetter,
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style: TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.bold,
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),
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),
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),
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title: Text(
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user.displayName,
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style: TextStyle(
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fontWeight: FontWeight.w500,
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fontSize: 16,
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),
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),
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subtitle: Text(
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relativeTime,
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style: TextStyle(color: Colors.grey[600], fontSize: 12),
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),
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);
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},
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),
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),
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SizedBox(height: 16),
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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 _buildMockComments() {
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return Container(
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margin: EdgeInsets.symmetric(horizontal: 16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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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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SizedBox(height: 16),
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_buildComment(
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'Ahmed Ali',
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'Great post! This is exactly what I was thinking about.',
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'2h',
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false,
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),
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_buildComment(
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'Sara Ahmed',
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'Thanks for sharing this. Very insightful!',
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'1h',
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false,
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),
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_buildComment(
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'Mohamed Hassan',
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'I completely agree with your point here.',
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'45m',
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true,
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replyTo: 'Sara Ahmed',
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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 _buildComment(
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String name,
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String comment,
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String time,
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bool isReply, {
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String? replyTo,
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}) {
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final avatarColor = _getAvatarColor(name);
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final avatarLetter = _getAvatarLetter(name);
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return Container(
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margin: EdgeInsets.only(bottom: 16, left: isReply ? 40 : 0),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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CircleAvatar(
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radius: isReply ? 16 : 20,
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backgroundColor: avatarColor,
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child: Text(
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avatarLetter,
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style: TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.bold,
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fontSize: isReply ? 12 : 14,
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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: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Text(
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name,
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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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time,
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style: TextStyle(color: Colors.grey[600], fontSize: 12),
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),
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],
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),
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if (replyTo != null) ...[
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SizedBox(height: 4),
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Text.rich(
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TextSpan(
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children: [
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TextSpan(
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text: 'Replying to ',
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style: TextStyle(
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color: Colors.grey[600],
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fontSize: 12,
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),
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),
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TextSpan(
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text: '@$replyTo',
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style: TextStyle(
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color: Color(0xFF6A4C93),
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fontSize: 12,
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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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SizedBox(height: 4),
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Text(
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comment,
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style: TextStyle(
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fontSize: 14,
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height: 1.4,
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color: Colors.black87,
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),
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),
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SizedBox(height: 8),
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Row(
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children: [
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TextButton(
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onPressed: () {},
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style: TextButton.styleFrom(
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padding: EdgeInsets.zero,
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minimumSize: Size.zero,
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tapTargetSize: MaterialTapTargetSize.shrinkWrap,
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),
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child: Text(
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'Like',
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style: TextStyle(color: Colors.grey[600], fontSize: 12),
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),
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),
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SizedBox(width: 16),
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TextButton(
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onPressed: () {},
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style: TextButton.styleFrom(
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padding: EdgeInsets.zero,
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minimumSize: Size.zero,
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tapTargetSize: MaterialTapTargetSize.shrinkWrap,
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),
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child: Text(
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'Reply',
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style: TextStyle(color: Colors.grey[600], fontSize: 12),
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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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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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backgroundColor: Colors.white,
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elevation: 0,
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leading: IconButton(
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onPressed: () => Navigator.pop(context),
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icon: Icon(Icons.arrow_back, color: Colors.black87),
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),
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title: Text(
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'Post',
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style: TextStyle(
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color: Colors.black87,
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fontSize: 18,
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fontWeight: FontWeight.w600,
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),
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),
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),
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backgroundColor: Color(0xFFF5F5F5),
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body: _buildBody(),
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);
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}
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Widget _buildBody() {
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if (_isLoading) {
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return Center(
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child: CircularProgressIndicator(
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valueColor: AlwaysStoppedAnimation<Color>(Color(0xFF6A4C93)),
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),
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);
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}
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if (_errorMessage.isNotEmpty) {
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return Center(
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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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_errorMessage,
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style: TextStyle(fontSize: 16, color: Colors.grey[600]),
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textAlign: TextAlign.center,
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),
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SizedBox(height: 16),
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ElevatedButton(
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onPressed: _loadPost,
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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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),
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child: Text('Try Again'),
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),
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],
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),
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);
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}
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if (_post == null) {
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return Center(child: Text('Post not found'));
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}
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final creator = _post!.creator;
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final avatarColor = _getAvatarColor(creator.displayName);
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final avatarLetter = _getAvatarLetter(creator.displayName);
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final relativeTime = InvitationUtils.getRelativeTime(_post!.creationDate);
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return SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Container(
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margin: EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(12),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.05),
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blurRadius: 10,
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offset: Offset(0, 2),
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),
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],
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),
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child: Padding(
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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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Row(
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children: [
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CircleAvatar(
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radius: 24,
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backgroundColor: avatarColor,
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child: Text(
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avatarLetter,
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style: TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.bold,
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fontSize: 18,
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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: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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creator.displayName,
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style: TextStyle(
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fontWeight: FontWeight.w600,
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fontSize: 18,
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color: Colors.black87,
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),
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),
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SizedBox(height: 2),
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Text(
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relativeTime,
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style: TextStyle(
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color: Colors.grey[600],
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fontSize: 14,
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),
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),
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],
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),
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),
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IconButton(
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onPressed: () => _sharePost(_post!),
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icon: Icon(
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Icons.share_outlined,
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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: 16),
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Text(
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_post!.body,
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style: TextStyle(
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fontSize: 16,
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height: 1.5,
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color: Colors.black87,
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),
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),
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SizedBox(height: 20),
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Row(
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children: [
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IconButton(
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onPressed: _isLiking ? null : _toggleLike,
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icon: _isLiking
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? SizedBox(
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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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_post!.liked
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? Colors.red
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: Colors.grey[600]!,
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),
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),
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)
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: Icon(
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_post!.liked
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? Icons.favorite
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: Icons.favorite_border,
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color: _post!.liked
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? Colors.red
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: Colors.grey[600],
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size: 28,
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),
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),
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|
Text(
|
|
'${_post!.likes}',
|
|
style: TextStyle(
|
|
color: Colors.grey[700],
|
|
fontWeight: FontWeight.w500,
|
|
fontSize: 16,
|
|
),
|
|
),
|
|
SizedBox(width: 20),
|
|
Icon(
|
|
Icons.chat_bubble_outline,
|
|
color: Colors.grey[600],
|
|
size: 28,
|
|
),
|
|
SizedBox(width: 8),
|
|
Text(
|
|
'${_post!.comments}',
|
|
style: TextStyle(
|
|
color: Colors.grey[700],
|
|
fontWeight: FontWeight.w500,
|
|
fontSize: 16,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
SizedBox(height: 8),
|
|
_buildLikedBySection(),
|
|
SizedBox(height: 16),
|
|
Container(
|
|
height: 400,
|
|
child: CommentsWidget(
|
|
postId: widget.postId,
|
|
commentCount: _post?.comments ?? 0,
|
|
),
|
|
),
|
|
SizedBox(height: 24),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|