是否可以扩展 IEntityHistoryStore 以存储每个 table 而不是在同一个 table 中跟踪所有内容?
Is it possible to extend IEntityHistoryStore to store per-table rather than track all in the same table?
在asp.net样板中,我们需要跟踪对实体的更改。我看到 ABP 有实体跟踪(新),但它将跨实体的所有更改存储在一个 table 中,这对我们不起作用。是否可以创建自定义 IEntityHistoryStore
来存储每个实体的这些更改(在它们自己的 table 中)?
例如,假设有一个实体 Task
。
[Table("Task", Schema = "Tasks")]
public class Task : Entity<int>
{
[Column(TypeName = "varchar(255)")]
public string Description { get; set; }
// some more poco properties
}
然后我想定义的是另一个 table, zzLog.Tasks_Task 我希望 table 看起来像这样:
╔════════╦════════════════════════╦══════╦══════════╦════════════════════╗
║ TaskId ║ Description ║ lgId ║ lgAction ║ lgTime ║
╠════════╬════════════════════════╬══════╬══════════╬════════════════════╣
║ 1 ║ Some description ║ 1 ║ 1 ║ 2019-05-30 9:05 AM ║
║ 1 ║ Some other description ║ 2 ║ 2 ║ 2019-05-30 9:06 AM ║
║ 1 ║ Changed again ║ 3 ║ 2 ║ 2019-05-30 9:07 AM ║
║ 1 ║ Changed again ║ 4 ║ 3 ║ 2019-05-30 9:08 AM ║
╚════════╩════════════════════════╩══════╩══════════╩════════════════════╝
lgAction
是枚举,1 = 创建,2 = 更新,3 = 删除
这可能吗?本能说不,因为 IEntityHistoryStore
可能无法以这种方式工作。
是的,来自https://aspnetboilerplate.com/Pages/Documents/Entity-History#about-ientityhistorystore:
The Entity History tracking system uses IEntityHistoryStore
to save change information. ... you can implement it in your own way ...
实施MyEntityHistoryStore
:
public class MyEntityHistoryStore : IEntityHistoryStore
{
private readonly IRepository<zzLog.Tasks_Task> _taskLogRepository;
public EntityHistoryStore(IRepository<zzLog.Tasks_Task> taskLogRepository)
{
_taskLogRepository = taskLogRepository;
}
public virtual async Task SaveAsync(EntityChangeSet changeSet)
{
foreach (var entityChange in changeSet.EntityChanges)
{
var taskLog = new zzLog.Tasks_Task()
{
TaskId = entityChange.EntityId,
Description = entityChange.PropertyChanges
.Where(pc => pc.PropertyName == "Description")
.FirstOrDefault()?
.NewValue,
// lgId = 0, // Auto-increment
lgAction =
entityChange.ChangeType == EntityChangeType.Created ? 1 :
entityChange.ChangeType == EntityChangeType.Updated ? 2 :
entityChange.ChangeType == EntityChangeType.Deleted ? 3 : 0,
lgTime = entityChange.ChangeTime
};
await _taskLogRepository.InsertAsync(taskLog);
}
}
}
在模块的 PreInitialize
方法中替换 IEntityHistoryStore
的服务:
// using Abp.Configuration.Startup;
Configuration.ReplaceService<IEntityHistoryStore, MyEntityHistoryStore>(DependencyLifeStyle.Transient);
在asp.net样板中,我们需要跟踪对实体的更改。我看到 ABP 有实体跟踪(新),但它将跨实体的所有更改存储在一个 table 中,这对我们不起作用。是否可以创建自定义 IEntityHistoryStore
来存储每个实体的这些更改(在它们自己的 table 中)?
例如,假设有一个实体 Task
。
[Table("Task", Schema = "Tasks")]
public class Task : Entity<int>
{
[Column(TypeName = "varchar(255)")]
public string Description { get; set; }
// some more poco properties
}
然后我想定义的是另一个 table, zzLog.Tasks_Task 我希望 table 看起来像这样:
╔════════╦════════════════════════╦══════╦══════════╦════════════════════╗
║ TaskId ║ Description ║ lgId ║ lgAction ║ lgTime ║
╠════════╬════════════════════════╬══════╬══════════╬════════════════════╣
║ 1 ║ Some description ║ 1 ║ 1 ║ 2019-05-30 9:05 AM ║
║ 1 ║ Some other description ║ 2 ║ 2 ║ 2019-05-30 9:06 AM ║
║ 1 ║ Changed again ║ 3 ║ 2 ║ 2019-05-30 9:07 AM ║
║ 1 ║ Changed again ║ 4 ║ 3 ║ 2019-05-30 9:08 AM ║
╚════════╩════════════════════════╩══════╩══════════╩════════════════════╝
lgAction
是枚举,1 = 创建,2 = 更新,3 = 删除
这可能吗?本能说不,因为 IEntityHistoryStore
可能无法以这种方式工作。
是的,来自https://aspnetboilerplate.com/Pages/Documents/Entity-History#about-ientityhistorystore:
The Entity History tracking system uses
IEntityHistoryStore
to save change information. ... you can implement it in your own way ...
实施MyEntityHistoryStore
:
public class MyEntityHistoryStore : IEntityHistoryStore
{
private readonly IRepository<zzLog.Tasks_Task> _taskLogRepository;
public EntityHistoryStore(IRepository<zzLog.Tasks_Task> taskLogRepository)
{
_taskLogRepository = taskLogRepository;
}
public virtual async Task SaveAsync(EntityChangeSet changeSet)
{
foreach (var entityChange in changeSet.EntityChanges)
{
var taskLog = new zzLog.Tasks_Task()
{
TaskId = entityChange.EntityId,
Description = entityChange.PropertyChanges
.Where(pc => pc.PropertyName == "Description")
.FirstOrDefault()?
.NewValue,
// lgId = 0, // Auto-increment
lgAction =
entityChange.ChangeType == EntityChangeType.Created ? 1 :
entityChange.ChangeType == EntityChangeType.Updated ? 2 :
entityChange.ChangeType == EntityChangeType.Deleted ? 3 : 0,
lgTime = entityChange.ChangeTime
};
await _taskLogRepository.InsertAsync(taskLog);
}
}
}
在模块的 PreInitialize
方法中替换 IEntityHistoryStore
的服务:
// using Abp.Configuration.Startup;
Configuration.ReplaceService<IEntityHistoryStore, MyEntityHistoryStore>(DependencyLifeStyle.Transient);