VitalApp/lib/database/db_patch/base.dart

import 'package:flutter/foundation.dart';
import 'package:vital_local_database/index.dart';
import 'package:vitalapp/database/db.dart';
import 'package:vitalapp/database/db_patch/interface.dart';
import 'package:fis_common/logger/logger.dart';

abstract class BaseDatabasePatch implements IDatabasePatch {
  final IDatabase database;

  BaseDatabasePatch(this.database);

  @override
  int get updateVersion => targetVersion + 1;

  @override
  Future<int> perform(int version) async {
    final ver = updateVersion;
    final tag = "DatabasePatch$ver";
    logger.i("$tag perform, current version:$version.");
    if (targetVersion == version) {
      // 补丁匹配当前DB版本，执行更新
      try {
        logger.w(" execute tasks begin.");
        await executeTask();
        logger.w("$tag execute tasks finish.");
      } catch (e) {
        logger.e("$tag execute tasks error!", e);
      }
      return ver;
    } else {
      return version;
    }
  }

  /// 执行更新任务
  @protected
  Future<void> executeTask();
}