Implementert admin-funksjoner: Dashboard, Ansattliste, Avvikshåndtering og Profil-oppdatering

lib/services/time_service.dart

@@ -1,6 +1,7 @@
 import 'package:cloud_firestore/cloud_firestore.dart';
 import 'package:uuid/uuid.dart';
 import '../models/time_registration.dart';
+import '../models/deviation.dart';
 
 class TimeService {
   final FirebaseFirestore _firestore = FirebaseFirestore.instance;
@@ -319,4 +320,41 @@ class TimeService {
       'overtime': overtimeMinutes,
     };
   }
+  // Hent avvik for organisasjon
+  Future<List<Deviation>> getDeviations({
+    required String organizationId,
+    bool? onlyUnacknowledged,
+  }) async {
+    try {
+      Query query = _firestore
+          .collection('deviations')
+          .where('organizationId', isEqualTo: organizationId);
+
+      if (onlyUnacknowledged == true) {
+        query = query.where('acknowledgedAt', isNull: true);
+      }
+
+      final snapshot = await query.orderBy('detectedAt', descending: true).get();
+      return snapshot.docs.map((doc) => Deviation.fromFirestore(doc)).toList();
+    } catch (e) {
+      throw Exception('Kunne ikke hente avvik: $e');
+    }
+  }
+
+  // Kvitter ut avvik
+  Future<void> acknowledgeDeviation({
+    required String deviationId,
+    required String userId,
+    String? comment,
+  }) async {
+    try {
+      await _firestore.collection('deviations').doc(deviationId).update({
+        'acknowledgedAt': Timestamp.now(),
+        'acknowledgedBy': userId,
+        if (comment != null) 'comment': comment,
+      });
+    } catch (e) {
+      throw Exception('Kunne ikke kvittere ut avvik: $e');
+    }
+  }
 }