public IActionResult CreateTarget([FromBody] Target aObject)
{
if (aObject == null)
{
return(BadRequest());
}
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
TarRepo.Insert(aObject);
return(Ok());
}
public MetaEntitySyncResult SyncEntityToTarget(IList <MetaEntity> queriedEntities)
{
try
{
// 根据原实体 Id 集合，查找已存在的 Target
IList <string> originalIds = queriedEntities.Select(t => t.OriginalId).ToList();
IList <Target> existTargets = targetManager.GetTargetsByIds(originalIds);
// 筛选出需要更新以及插入的 Target
IList <Target> targetsToUpdate = new List <Target>();
IList <Target> targetsToInsert = new List <Target>();
foreach (MetaEntity queriedEntity in queriedEntities)
{
Target existTarget = existTargets.SingleOrDefault(et =>
et.Type == queriedEntity.Type &&
et.OriginalId == queriedEntity.OriginalId);
// 未找到对应 Target
if (existTarget == null)
{
Target targetToAdd = new Target
{
Type = queriedEntity.Type,
OriginalId = queriedEntity.OriginalId,
Name = queriedEntity.Name,
};
targetsToInsert.Add(targetToAdd);
++InsertedTargetCount;
continue;
}
// 找到记录，但未更改
if (existTarget.Name == queriedEntity.Name)
{
continue;
}
// 找到记录，并且记录被更改
existTarget.Name = queriedEntity.Name;
targetsToUpdate.Add(existTarget);
++UpdatedTargetCount;
}
// 更新与插入
foreach (Target targetToUpdate in targetsToUpdate)
{
targetRepository.Update(targetToUpdate);
}
foreach (Target targetToInsert in targetsToInsert)
{
targetRepository.Insert(targetToInsert);
}
// 获取更新并插入过后的 Target
IList <Target> syncedTargets = targetManager.GetTargetsByIds(originalIds);
return(new MetaEntitySyncResult
{
Targets = syncedTargets,
InsertedCount = targetsToInsert.Count,
UpdatedCount = targetsToUpdate.Count,
UnchangedCount = queriedEntities.Count - targetsToInsert.Count - targetsToUpdate.Count
});
}
catch (Exception ex)
{
Logger.Error(ex.Message);
throw new ApplicationException("同步Entity至Target失败", ex);
}
}