UI 初体验

lib/models/models.dart

@@ -1,4 +1,7 @@
 import 'package:drift/drift.dart';
+import 'package:drift_flutter/drift_flutter.dart';
+
+part 'models.g.dart';
 
 /// 导入记录表定义
 class ImportRecord extends Table {
@@ -24,5 +27,46 @@ class SaleDetail extends Table {
   TextColumn get objName => text()();
 
   /// 进销单据性质
+  TextColumn get type => text().map(const SaleDetailTypeConverter())();
+
   /// 关联导入记录 ID
+  IntColumn get importId => integer().references(ImportRecord, #id)();
+}
+
+enum SaleDetailType {
+  bill('挂账', 'BILL', ['挂账']),
+  cash('现金', 'CASH', ['挂账']),
+  online('线上支付', 'ONLINE', ['挂账']);
+
+  final String desc;
+  final String code;
+  final List<String> identity;
+  static final Map<String, SaleDetailType> map = {
+    for (var type in SaleDetailType.values) type.code: type,
+  };
+  const SaleDetailType(this.desc, this.code, this.identity);
+  static SaleDetailType? of(String param) => map[param];
+}
+
+class SaleDetailTypeConverter extends TypeConverter<SaleDetailType, String> {
+  const SaleDetailTypeConverter();
+
+  @override
+  SaleDetailType fromSql(String code) => SaleDetailType.of(code)!;
+
+  @override
+  String toSql(SaleDetailType type) => type.code;
+}
+
+// 添加数据库类
+@DriftDatabase(tables: [ImportRecord, SaleDetail])
+class AppDatabase extends _$AppDatabase {
+  AppDatabase([QueryExecutor? executor]) : super(executor ?? _openConnection());
+
+  @override
+  int get schemaVersion => 1;
+
+  static QueryExecutor _openConnection() {
+    return driftDatabase(name: 'my_database');
+  }
 }