feat adds proper syncing feature

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

lib/services/database_helper.dart

@@ -6,7 +6,7 @@ import 'package:sqflite_common_ffi/sqflite_ffi.dart';
 
 import '../models/supplement.dart';
 import '../models/supplement_intake.dart';
-import '../models/sync_enums.dart';
+import 'database_sync_service.dart';
 
 class DatabaseHelper {
   static const _databaseName = 'supplements.db';
@@ -399,7 +399,43 @@ class DatabaseHelper {
     Database db = await database;
     return await db.update(
       supplementsTable,
-      {'isActive': 0},
+      {
+        'isActive': 0,
+        'isDeleted': 1,
+        'lastModified': DateTime.now().toIso8601String(),
+      },
+      where: 'id = ?',
+      whereArgs: [id],
+    );
+  }
+
+  Future<int> permanentlyDeleteSupplement(int id) async {
+    Database db = await database;
+    
+    // For sync compatibility, we should mark as deleted rather than completely removing
+    // This prevents the supplement from reappearing during sync
+    
+    // First mark all related intakes as deleted
+    await db.update(
+      intakesTable,
+      {
+        'isDeleted': 1,
+        'lastModified': DateTime.now().toIso8601String(),
+        'syncStatus': RecordSyncStatus.modified.name,
+      },
+      where: 'supplementId = ? AND isDeleted = ?',
+      whereArgs: [id, 0],
+    );
+    
+    // Then mark the supplement as deleted instead of removing it completely
+    return await db.update(
+      supplementsTable,
+      {
+        'isDeleted': 1,
+        'isActive': 0, // Also ensure it's archived
+        'lastModified': DateTime.now().toIso8601String(),
+        'syncStatus': RecordSyncStatus.modified.name,
+      },
       where: 'id = ?',
       whereArgs: [id],
     );
@@ -411,6 +447,36 @@ class DatabaseHelper {
     return await db.insert(intakesTable, intake.toMap());
   }
 
+  Future<int> deleteIntake(int id) async {
+    Database db = await database;
+    return await db.update(
+      intakesTable,
+      {
+        'isDeleted': 1,
+        'lastModified': DateTime.now().toIso8601String(),
+      },
+      where: 'id = ?',
+      whereArgs: [id],
+    );
+  }
+
+  Future<int> permanentlyDeleteIntake(int id) async {
+    Database db = await database;
+    
+    // For sync compatibility, mark as deleted rather than completely removing
+    // This prevents the intake from reappearing during sync
+    return await db.update(
+      intakesTable,
+      {
+        'isDeleted': 1,
+        'lastModified': DateTime.now().toIso8601String(),
+        'syncStatus': RecordSyncStatus.modified.name,
+      },
+      where: 'id = ?',
+      whereArgs: [id],
+    );
+  }
+
   Future<List<SupplementIntake>> getIntakesForDate(DateTime date) async {
     Database db = await database;
     String startDate = DateTime(date.year, date.month, date.day).toIso8601String();
@@ -477,15 +543,6 @@ class DatabaseHelper {
     return result;
   }
 
-  Future<int> deleteIntake(int id) async {
-    Database db = await database;
-    return await db.delete(
-      intakesTable,
-      where: 'id = ?',
-      whereArgs: [id],
-    );
-  }
-
   // Notification tracking methods
   Future<int> trackNotification({
     required int notificationId,
@@ -637,7 +694,7 @@ class DatabaseHelper {
     List<Map<String, dynamic>> maps = await db.query(
       supplementsTable,
       where: 'syncStatus IN (?, ?)',
-      whereArgs: [SyncStatus.pending.name, SyncStatus.modified.name],
+      whereArgs: [RecordSyncStatus.pending.name, RecordSyncStatus.modified.name],
       orderBy: 'lastModified ASC',
     );
     return List.generate(maps.length, (i) => Supplement.fromMap(maps[i]));
@@ -648,7 +705,7 @@ class DatabaseHelper {
     List<Map<String, dynamic>> maps = await db.query(
       intakesTable,
       where: 'syncStatus IN (?, ?)',
-      whereArgs: [SyncStatus.pending.name, SyncStatus.modified.name],
+      whereArgs: [RecordSyncStatus.pending.name, RecordSyncStatus.modified.name],
       orderBy: 'lastModified ASC',
     );
     return List.generate(maps.length, (i) => SupplementIntake.fromMap(maps[i]));
@@ -658,7 +715,7 @@ class DatabaseHelper {
     Database db = await database;
     await db.update(
       supplementsTable,
-      {'syncStatus': SyncStatus.synced.name},
+      {'syncStatus': RecordSyncStatus.synced.name},
       where: 'syncId = ?',
       whereArgs: [syncId],
     );
@@ -668,7 +725,7 @@ class DatabaseHelper {
     Database db = await database;
     await db.update(
       intakesTable,
-      {'syncStatus': SyncStatus.synced.name},
+      {'syncStatus': RecordSyncStatus.synced.name},
       where: 'syncId = ?',
       whereArgs: [syncId],
     );