begin cleanup of view_cams and begin of making it usable with exursion and place

time

refactoring

refactoring again

lib/screens/sharedMethods/delete_main_entries.dart

@@ -0,0 +1,29 @@
+import 'package:fforte/enums/databases.dart';
+import 'package:fforte/interfaces/i_db.dart';
+import 'package:fforte/methods/excursion_db_helper.dart';
+import 'package:fforte/methods/place_db_helper.dart';
+
+class DeleteMainEntries {
+  static void deleteAll(DatabasesEnum dbType) {
+    IDb? db;
+
+    if (dbType == DatabasesEnum.place) {
+      db = PlaceDBHelper();
+    } else if (dbType == DatabasesEnum.excursion) {
+      db = ExcursionDBHelper();
+    }
+    db!.deleteAllMainEntries();
+  }
+
+  static void deleteSingle(DatabasesEnum dbType, int id) {
+    IDb? db;
+
+    if (dbType == DatabasesEnum.place) {
+      db = PlaceDBHelper();
+    } else if (dbType == DatabasesEnum.excursion) {
+      db = ExcursionDBHelper();
+    }
+
+    db!.deleteMainEntryById(id.toString());
+  }
+}