tasq/lib/providers/pass_slip_provider.dart

124 lines
3.9 KiB
Dart

import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:supabase_flutter/supabase_flutter.dart';
import '../models/pass_slip.dart';
import 'profile_provider.dart';
import 'supabase_provider.dart';
import 'stream_recovery.dart';
import 'realtime_controller.dart';
/// All visible pass slips (own for staff, all for admin/dispatcher).
final passSlipsProvider = StreamProvider<List<PassSlip>>((ref) {
final client = ref.watch(supabaseClientProvider);
final profileAsync = ref.watch(currentProfileProvider);
final profile = profileAsync.valueOrNull;
if (profile == null) return Stream.value(const <PassSlip>[]);
final isAdmin = profile.role == 'admin' || profile.role == 'dispatcher';
final wrapper = StreamRecoveryWrapper<PassSlip>(
stream: isAdmin
? client
.from('pass_slips')
.stream(primaryKey: ['id'])
.order('requested_at', ascending: false)
: client
.from('pass_slips')
.stream(primaryKey: ['id'])
.eq('user_id', profile.id)
.order('requested_at', ascending: false),
onPollData: () async {
final query = client.from('pass_slips').select();
final data = isAdmin
? await query.order('requested_at', ascending: false)
: await query
.eq('user_id', profile.id)
.order('requested_at', ascending: false);
return data.map(PassSlip.fromMap).toList();
},
fromMap: PassSlip.fromMap,
channelName: 'pass_slips',
onStatusChanged: ref.read(realtimeControllerProvider).handleChannelStatus,
);
ref.onDispose(wrapper.dispose);
return wrapper.stream.map((result) => result.data);
});
/// Currently active pass slip for the logged-in user (approved, not completed).
final activePassSlipProvider = Provider<PassSlip?>((ref) {
final slips = ref.watch(passSlipsProvider).valueOrNull ?? [];
final userId = ref.watch(currentUserIdProvider);
if (userId == null) return null;
try {
return slips.firstWhere((s) => s.userId == userId && s.isActive);
} catch (_) {
return null;
}
});
/// Active pass slips for all users (for dashboard IT Staff Pulse).
final activePassSlipsProvider = Provider<List<PassSlip>>((ref) {
final slips = ref.watch(passSlipsProvider).valueOrNull ?? [];
return slips.where((s) => s.isActive).toList();
});
final passSlipControllerProvider = Provider<PassSlipController>((ref) {
final client = ref.watch(supabaseClientProvider);
return PassSlipController(client);
});
class PassSlipController {
PassSlipController(this._client);
final SupabaseClient _client;
Future<void> requestSlip({
required String dutyScheduleId,
required String reason,
}) async {
final userId = _client.auth.currentUser?.id;
if (userId == null) throw Exception('Not authenticated');
await _client.from('pass_slips').insert({
'user_id': userId,
'duty_schedule_id': dutyScheduleId,
'reason': reason,
});
}
Future<void> approveSlip(String slipId) async {
final userId = _client.auth.currentUser?.id;
if (userId == null) throw Exception('Not authenticated');
await _client
.from('pass_slips')
.update({
'status': 'approved',
'approved_by': userId,
'approved_at': DateTime.now().toUtc().toIso8601String(),
'slip_start': DateTime.now().toUtc().toIso8601String(),
})
.eq('id', slipId);
}
Future<void> rejectSlip(String slipId) async {
await _client
.from('pass_slips')
.update({
'status': 'rejected',
'approved_by': _client.auth.currentUser?.id,
'approved_at': DateTime.now().toUtc().toIso8601String(),
})
.eq('id', slipId);
}
Future<void> completeSlip(String slipId) async {
await _client
.from('pass_slips')
.update({
'status': 'completed',
'slip_end': DateTime.now().toUtc().toIso8601String(),
})
.eq('id', slipId);
}
}