feat: add EventFormSheet with CRUD, recurrence picker, and color chips

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-04-06 10:31:08 -04:00
parent c4dca6d4ed
commit 334882520c
+473
View File
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import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../../data/models/calendar_event.dart';
import '../../providers/api_client_provider.dart';
import '../../providers/calendar_provider.dart';
class EventFormSheet extends ConsumerStatefulWidget {
/// null = create mode; non-null = edit mode.
final CalendarEvent? event;
/// Pre-fills start date in create mode. Ignored in edit mode.
final DateTime? initialDate;
final CalendarNotifier notifier;
const EventFormSheet({
super.key,
required this.event,
required this.initialDate,
required this.notifier,
});
@override
ConsumerState<EventFormSheet> createState() => _EventFormSheetState();
}
class _EventFormSheetState extends ConsumerState<EventFormSheet> {
late final TextEditingController _titleCtrl;
late final TextEditingController _descCtrl;
late final TextEditingController _locationCtrl;
late DateTime _startDt;
DateTime? _endDt;
late bool _allDay;
String? _recurrence; // null = None; one of the FREQ= strings otherwise
String _color = '';
bool _saving = false;
bool get _isCreate => widget.event == null;
/// Maps RRULE string (or null) to display label for the dropdown.
static const Map<String?, String> _knownRrules = {
null: 'None',
'FREQ=DAILY': 'Daily',
'FREQ=WEEKLY': 'Weekly',
'FREQ=MONTHLY': 'Monthly',
'FREQ=YEARLY': 'Yearly',
};
/// True when editing an event whose RRULE is not one of the 5 known patterns.
bool get _isCustomRrule =>
widget.event?.recurrence != null &&
!_knownRrules.containsKey(widget.event!.recurrence);
static const List<String> _presetColors = [
'#EF4444',
'#F59E0B',
'#10B981',
'#6366F1',
'#8B5CF6',
'#EC4899',
];
@override
void initState() {
super.initState();
final e = widget.event;
_titleCtrl = TextEditingController(text: e?.title ?? '');
_descCtrl = TextEditingController(text: e?.description ?? '');
_locationCtrl = TextEditingController(text: e?.location ?? '');
if (e != null) {
_startDt = e.startDt.toLocal();
_endDt = e.endDt?.toLocal();
_allDay = e.allDay;
// Custom RRULEs are displayed as read-only; leave _recurrence = null.
_recurrence = _isCustomRrule ? null : e.recurrence;
_color = e.color;
} else {
final base = widget.initialDate ?? DateTime.now();
final now = DateTime.now();
final hour = now.minute >= 30 ? (now.hour + 1) % 24 : now.hour;
_startDt = DateTime(base.year, base.month, base.day, hour);
_allDay = false;
_recurrence = null;
}
}
@override
void dispose() {
_titleCtrl.dispose();
_descCtrl.dispose();
_locationCtrl.dispose();
super.dispose();
}
// ── Save ──────────────────────────────────────────────────────────────────
Future<void> _save() async {
if (_titleCtrl.text.trim().isEmpty) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Title is required.')),
);
return;
}
setState(() => _saving = true);
try {
// Preserve unrecognised RRULEs unchanged on save.
final rrule = _isCustomRrule ? widget.event!.recurrence : _recurrence;
final payload = <String, dynamic>{
'title': _titleCtrl.text.trim(),
'start_dt': _startDt.toUtc().toIso8601String(),
if (_endDt != null) 'end_dt': _endDt!.toUtc().toIso8601String(),
'all_day': _allDay,
'description': _descCtrl.text.trim(),
'location': _locationCtrl.text.trim(),
'color': _color,
'recurrence': rrule,
};
final api = ref.read(eventsApiProvider);
if (_isCreate) {
final created = await api.createEvent(payload);
widget.notifier.addEvent(created);
} else {
final updated = await api.updateEvent(widget.event!.id, payload);
widget.notifier.updateEvent(updated);
}
if (mounted) Navigator.of(context).pop();
} catch (_) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Failed to save event.')),
);
}
} finally {
if (mounted) setState(() => _saving = false);
}
}
// ── Delete ────────────────────────────────────────────────────────────────
Future<void> _delete() async {
final confirmed = await showDialog<bool>(
context: context,
builder: (_) => AlertDialog(
title: const Text('Delete this event?'),
actions: [
TextButton(
onPressed: () => Navigator.of(context).pop(false),
child: const Text('Cancel'),
),
TextButton(
onPressed: () => Navigator.of(context).pop(true),
child: Text(
'Delete',
style:
TextStyle(color: Theme.of(context).colorScheme.error),
),
),
],
),
);
if (confirmed != true || !mounted) return;
setState(() => _saving = true);
try {
await ref.read(eventsApiProvider).deleteEvent(widget.event!.id);
widget.notifier.removeEvent(widget.event!.id, widget.event!.startDt);
if (mounted) Navigator.of(context).pop();
} catch (_) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Failed to delete event.')),
);
}
} finally {
if (mounted) setState(() => _saving = false);
}
}
// ── Date/time pickers ─────────────────────────────────────────────────────
Future<void> _pickStartDate() async {
final d = await showDatePicker(
context: context,
initialDate: _startDt,
firstDate: DateTime(2000),
lastDate: DateTime(2100),
);
if (d != null) {
setState(() {
_startDt = DateTime(
d.year, d.month, d.day, _startDt.hour, _startDt.minute);
});
}
}
Future<void> _pickStartTime() async {
final t = await showTimePicker(
context: context,
initialTime: TimeOfDay.fromDateTime(_startDt),
);
if (t != null) {
setState(() {
_startDt = DateTime(
_startDt.year, _startDt.month, _startDt.day, t.hour, t.minute);
});
}
}
Future<void> _pickEndDate() async {
final d = await showDatePicker(
context: context,
initialDate: _endDt ?? _startDt,
firstDate: DateTime(2000),
lastDate: DateTime(2100),
);
if (d != null) {
setState(() {
final prev = _endDt ?? _startDt;
_endDt =
DateTime(d.year, d.month, d.day, prev.hour, prev.minute);
});
}
}
Future<void> _pickEndTime() async {
final t = await showTimePicker(
context: context,
initialTime: TimeOfDay.fromDateTime(_endDt ?? _startDt),
);
if (t != null) {
setState(() {
final prev = _endDt ?? _startDt;
_endDt = DateTime(
prev.year, prev.month, prev.day, t.hour, t.minute);
});
}
}
// ── Formatting helpers ────────────────────────────────────────────────────
String _fmtDate(DateTime dt) {
const months = [
'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec',
];
return '${months[dt.month - 1]} ${dt.day}, ${dt.year}';
}
String _fmtTime(DateTime dt) =>
'${dt.hour.toString().padLeft(2, '0')}:${dt.minute.toString().padLeft(2, '0')}';
// ── Build ─────────────────────────────────────────────────────────────────
@override
Widget build(BuildContext context) {
return Padding(
padding:
EdgeInsets.only(bottom: MediaQuery.of(context).viewInsets.bottom),
child: SingleChildScrollView(
padding: const EdgeInsets.fromLTRB(16, 16, 16, 32),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Header
Row(
children: [
Text(
_isCreate ? 'New Event' : 'Edit Event',
style: Theme.of(context).textTheme.titleLarge,
),
const Spacer(),
if (!_isCreate)
IconButton(
icon: const Icon(Icons.delete_outline),
color: Theme.of(context).colorScheme.error,
onPressed: _saving ? null : _delete,
),
],
),
const SizedBox(height: 16),
// Title
TextField(
controller: _titleCtrl,
decoration: const InputDecoration(
labelText: 'Title',
border: OutlineInputBorder(),
),
textCapitalization: TextCapitalization.sentences,
),
const SizedBox(height: 12),
// All-day toggle
SwitchListTile(
title: const Text('All day'),
value: _allDay,
onChanged: (v) => setState(() => _allDay = v),
contentPadding: EdgeInsets.zero,
),
// Start date
ListTile(
contentPadding: EdgeInsets.zero,
leading: const Icon(Icons.calendar_today_outlined),
title: Text(_fmtDate(_startDt)),
subtitle: const Text('Start date'),
onTap: _pickStartDate,
),
// Start time (hidden when all-day)
if (!_allDay)
ListTile(
contentPadding: EdgeInsets.zero,
leading: const Icon(Icons.access_time_outlined),
title: Text(_fmtTime(_startDt)),
subtitle: const Text('Start time'),
onTap: _pickStartTime,
),
// End date
ListTile(
contentPadding: EdgeInsets.zero,
leading: const Icon(Icons.event_outlined),
title: Text(
_endDt != null ? _fmtDate(_endDt!) : 'No end date'),
subtitle: const Text('End date'),
onTap: _pickEndDate,
trailing: _endDt != null
? IconButton(
icon: const Icon(Icons.clear),
onPressed: () => setState(() => _endDt = null),
)
: null,
),
// End time (hidden when all-day or no end date)
if (!_allDay && _endDt != null)
ListTile(
contentPadding: EdgeInsets.zero,
leading: const Icon(Icons.access_time_outlined),
title: Text(_fmtTime(_endDt!)),
subtitle: const Text('End time'),
onTap: _pickEndTime,
),
const SizedBox(height: 8),
// Repeat — show read-only tile for custom RRULEs
if (_isCustomRrule)
ListTile(
contentPadding: EdgeInsets.zero,
leading: const Icon(Icons.repeat_outlined),
title: const Text('Custom (read-only)'),
subtitle: Text(widget.event!.recurrence ?? ''),
)
else
Row(
children: [
const Icon(Icons.repeat_outlined),
const SizedBox(width: 16),
DropdownButton<String?>(
value: _recurrence,
underline: const SizedBox.shrink(),
items: _knownRrules.entries
.map((entry) => DropdownMenuItem<String?>(
value: entry.key,
child: Text(entry.value),
))
.toList(),
onChanged: (v) => setState(() => _recurrence = v),
),
],
),
const SizedBox(height: 12),
// Description
TextField(
controller: _descCtrl,
decoration: const InputDecoration(
labelText: 'Description',
border: OutlineInputBorder(),
),
maxLines: 3,
textCapitalization: TextCapitalization.sentences,
),
const SizedBox(height: 12),
// Location
TextField(
controller: _locationCtrl,
decoration: const InputDecoration(
labelText: 'Location',
border: OutlineInputBorder(),
),
),
const SizedBox(height: 16),
// Color chips
Text('Color', style: Theme.of(context).textTheme.labelMedium),
const SizedBox(height: 8),
Row(
children: [
// "No color" chip
GestureDetector(
onTap: () => setState(() => _color = ''),
child: Container(
width: 32,
height: 32,
margin: const EdgeInsets.only(right: 8),
decoration: BoxDecoration(
shape: BoxShape.circle,
border: Border.all(
color: _color.isEmpty
? Theme.of(context).colorScheme.primary
: Theme.of(context).colorScheme.outline,
width: _color.isEmpty ? 2 : 1,
),
),
child: const Icon(Icons.block, size: 16),
),
),
..._presetColors.map((hex) {
final c =
Color(int.parse(hex.replaceFirst('#', '0xFF')));
return GestureDetector(
onTap: () => setState(() => _color = hex),
child: Container(
width: 32,
height: 32,
margin: const EdgeInsets.only(right: 8),
decoration: BoxDecoration(
color: c,
shape: BoxShape.circle,
border: _color == hex
? Border.all(
color: Theme.of(context)
.colorScheme
.primary,
width: 2,
)
: null,
),
),
);
}),
],
),
const SizedBox(height: 24),
// Save button
SizedBox(
width: double.infinity,
child: FilledButton(
onPressed: _saving ? null : _save,
child: _saving
? const SizedBox(
height: 20,
width: 20,
child: CircularProgressIndicator(strokeWidth: 2),
)
: Text(_isCreate ? 'Create' : 'Save'),
),
),
],
),
),
);
}
}