protected override Task <CrudResult <bool> > PersistDeleteEntityAsync(Core.Models.Tag entity)
{
return(mongoDatabase.GetCollection <Core.Models.Tag>(this.tableName).DeleteOneAsync(user => user.Id == entity.Id).ContinueWith(resultTask =>
{
if (!resultTask.IsFaulted)
{
return CrudResult <bool> .Success(true);
}
throw resultTask.Exception;
}));
}
protected override Task <CrudResult <string> > PersistAddEntityAsync(Core.Models.Tag entity)
{
TaskCompletionSource <CrudResult <string> > tcs = new TaskCompletionSource <CrudResult <string> >();
mongoDatabase.GetCollection <Core.Models.Tag>(this.tableName).InsertOneAsync(entity).ContinueWith(resultTask => {
if (resultTask.IsFaulted)
{
MongoCommandException mongoException = resultTask.Exception?.InnerException as MongoCommandException;
if (mongoException != null && mongoException.CodeName == "OperationNotSupportedInTransaction")
{
try
{
mongoDatabase.CreateCollection(tableName);
List <CreateIndexModel <Core.Models.Tag> > indexModelList = new List <CreateIndexModel <Core.Models.Tag> >();
////adding userId as Index
var userIdIndexKey = Builders <Core.Models.Tag> .IndexKeys.Ascending(new StringFieldDefinition <Core.Models.Tag>($"{nameof(Core.Models.Tag.UserId)}"));
var userIdIndexModel = new CreateIndexModel <Core.Models.Tag>(userIdIndexKey);
indexModelList.Add(userIdIndexModel);
////adding name as Index
var nameIndexKey = Builders <Core.Models.Tag> .IndexKeys.Ascending(new StringFieldDefinition <Core.Models.Tag>($"{nameof(Core.Models.Tag.Name)}"));
var nameIndexModel = new CreateIndexModel <Core.Models.Tag>(nameIndexKey);
indexModelList.Add(nameIndexModel);
//adding all the indexes.
mongoDatabase.GetCollection <Core.Models.Tag>(this.tableName).Indexes.CreateMany(indexModelList);
}
catch (Exception ex)
{
tcs.SetException(ex);
}
}
tcs.SetException(resultTask.Exception);
}
else
{
tcs.SetResult(CrudResult <String> .Success(entity.Id));
}
});
return(tcs.Task);
}
