/// <summary>
/// 同步标签库，同步前会删除原有已存在的标签，再新增标签关系
/// </summary>
/// <returns>The tag.同步的记录数</returns>
/// <param name="tags">Tags.</param>
/// <param name="type">Type.</param>
/// <param name="objId">Object identifier.</param>
public long TagSynchronization(string[] tags, int type, string objId)
{
try
{
FilterDefinition <MGTagLibrary> Deletefilter = Builders <MGTagLibrary> .Filter.Empty;
UpdateDefinition <MGTagLibrary> Deleteupdate = Builders <MGTagLibrary> .Update.PullFilter(s => s.Objs, r => r.Id == objId.ToLower());
_mongoDBBase.GetClient <MGTagLibrary>(_TagLibrary).UpdateMany(Deletefilter, Deleteupdate);
FilterDefinition <MGTagLibrary> filter = Builders <MGTagLibrary> .Filter.Empty;
UpdateDefinition <MGTagLibrary> update;
UpdateOptions option = new UpdateOptions
{
IsUpsert = true
};
int count = 0;
foreach (var tag in tags)
{
filter = Builders <MGTagLibrary> .Filter.Eq(a => a.Tag, tag);
update = Builders <MGTagLibrary> .Update.Push(s => s.Objs, new Obj()
{
Id = objId.ToLower(), Type = type, Status = 1
});
var result = _mongoDBBase.GetClient <MGTagLibrary>(_TagLibrary).UpdateMany(filter, update, option);
count += result.UpsertedId == null ? 0 : 1;
}
return(count);
}
catch (Exception ex)
{
throw new Exception($"MongoDB 标签同步失败, {ex.Message}");
}
}
public ActionResult DeleteMoment(DeleteMomentsDto model)
{
var moment = _mongoDBBase.FindOne <Moments>(colName, model.Id, true, MGExt.GetModelFields <Moments>(typeof(Moments.UserInfo)).ToArray());
var result = _mongoDBBase.Delete <Moments>(colName, model.Id);
var filter = Builders <Timelines> .Filter.Eq("Moments.MomentId", model.Id);
var update = Builders <Timelines> .Update.PullFilter(s => s.Moments, r => r.MomentId == model.Id);
var timeLines = _mongoDBBase.UpdateManay <Timelines>("TimeLines", filter, update);
_mongoDBBase.GetClient <Backups>("Backups").InsertOne(new Backups {
JsonItem = JsonConvert.SerializeObject(moment), Remark = model.Remark
});
if (result.DeletedCount > 0)
{
return(ActionResult.Ok());
}
return(ActionResult.Bad("删除失败"));
}