flutter_grammar_item.dart

class GrammarItem {
  String id;
  String name;
  String category;
  String description;
  String structure;
  GrammarLevel level;
  GrammarFrequency frequency;

  GrammarItem.fromMap(Map<String, dynamic> map) {
    id = map["grammar_id"];
    name = map["grammar_name"];
    category = map["grammar_category"];
    description = map["desc_en"];
    structure = map["structure_en"];
    final levelString = map["grammar_level"];
    switch (levelString) {
      case "beginner":
        level = GrammarLevel.BEGINNER;
        break;
      case "intermediate":
        level = GrammarLevel.INTERMEDIATE;
        break;
      case "advanced":
        level = GrammarLevel.ADVANCED;
        break;
    }
  }
}