feat adds proper syncing feature

Signed-off-by: Menno van Leeuwen <menno@vleeuwen.me>

lib/models/ingredient.dart

@@ -1,4 +1,4 @@
-import 'sync_enums.dart';
+import '../services/database_sync_service.dart';
 
 class Ingredient {
   final int? id;
@@ -9,7 +9,7 @@ class Ingredient {
   // Sync metadata
   final String syncId;
   final DateTime lastModified;
-  final SyncStatus syncStatus;
+  final RecordSyncStatus syncStatus;
   final bool isDeleted;
 
   const Ingredient({
@@ -19,7 +19,7 @@ class Ingredient {
     required this.unit,
     required this.syncId,
     required this.lastModified,
-    this.syncStatus = SyncStatus.pending,
+    this.syncStatus = RecordSyncStatus.pending,
     this.isDeleted = false,
   });
 
@@ -47,11 +47,11 @@ class Ingredient {
           ? DateTime.parse(map['lastModified'])
           : DateTime.now(),
       syncStatus: map['syncStatus'] != null
-          ? SyncStatus.values.firstWhere(
+          ? RecordSyncStatus.values.firstWhere(
               (e) => e.name == map['syncStatus'],
-              orElse: () => SyncStatus.pending,
+              orElse: () => RecordSyncStatus.pending,
             )
-          : SyncStatus.pending,
+          : RecordSyncStatus.pending,
       isDeleted: (map['isDeleted'] ?? 0) == 1,
     );
   }
@@ -63,7 +63,7 @@ class Ingredient {
     String? unit,
     String? syncId,
     DateTime? lastModified,
-    SyncStatus? syncStatus,
+    RecordSyncStatus? syncStatus,
     bool? isDeleted,
   }) {
     return Ingredient(