relatica/lib/controls/timeline/timeline_panel.dart

import 'package:flutter/material.dart';
import 'package:logging/logging.dart';
import 'package:provider/provider.dart';

import '../../models/TimelineIdentifiers.dart';
import '../../services/timeline_manager.dart';
import 'post_control.dart';

class TimelinePanel extends StatelessWidget {
  static final _logger = Logger('$TimelinePanel');
  final TimelineIdentifiers timeline;

  const TimelinePanel({super.key, required this.timeline});

  @override
  Widget build(BuildContext context) {
    final manager = context.watch<TimelineManager>();
    final result = manager.getTimeline(timeline);
    if (result.isFailure) {
      return Center(child: Text('Error getting timeline: ${result.error}'));
    }
    final items = result.value;
    return ListView.separated(
      itemBuilder: (context, index) {
        if (index == 0) {
          return TextButton(
              onPressed: () async => await manager.updateTimeline(
                  timeline, TimelineRefreshType.loadNewer),
              child: const Text('Load newer posts'));
        }

        if (index == items.length + 1) {
          return TextButton(
              onPressed: () async => await manager.updateTimeline(
                  timeline, TimelineRefreshType.loadOlder),
              child: const Text('Load older posts'));
        }
        final itemIndex = index - 1;
        final item = items[itemIndex];
        _logger
            .finest('Building item: $itemIndex: ${item.entry.toShortString()}');
        return PostControl(
          originalItem: item,
          scrollToId: item.id,
          openRemote: false,
          showStatusOpenButton: true,
          isRoot: false,
        );
      },
      separatorBuilder: (context, index) => Divider(),
      itemCount: items.length + 2,
    );
  }
}