public static Task <IdentityResult> TryDeleteAsync <TPoco>(this IMapper mapper,
TPoco poco,
CqlQueryOptions queryOptions,
CassandraErrorDescriber errorDescriber,
ILogger logger)
{
return(TryExecuteAsync(() => mapper.DeleteAsync(poco, queryOptions: queryOptions), errorDescriber, logger));
}
public static Task <IdentityResult> TryExecuteBatchAsync(this IMapper mapper,
CassandraErrorDescriber errorDescriber,
ILogger logger,
params Action <ICqlBatch>[] actions)
{
var batch = mapper.CreateBatch();
foreach (var a in actions)
{
a(batch);
}
return(TryExecuteAsync(() => mapper.ExecuteAsync(batch), errorDescriber, logger));
}
private static async Task <IdentityResult> TryExecuteAsync(
Func <Task> action,
CassandraErrorDescriber errorDescriber,
ILogger logger)
{
IdentityResult result;
try
{
await action();
result = IdentityResult.Success;
}
catch (Exception exception)
{
logger.LogError(exception, "Error while executing query.");
var type = exception.GetType();
switch (type)
{
case Type _ when type == typeof(NoHostAvailableException):
result = IdentityResult.Failed(errorDescriber.NoHostAvailable());
break;
case Type _ when type == typeof(UnavailableException):
result = IdentityResult.Failed(errorDescriber.Unavailable());
break;
case Type _ when type == typeof(ReadTimeoutException):
result = IdentityResult.Failed(errorDescriber.ReadTimeout());
break;
case Type _ when type == typeof(WriteTimeoutException):
result = IdentityResult.Failed(errorDescriber.WriteTimeout());
break;
case Type _ when type == typeof(QueryValidationException):
result = IdentityResult.Failed(errorDescriber.QueryValidation());
break;
default:
result = IdentityResult.Failed(errorDescriber.DefaultError(exception.Message));
break;
}
}
return(result);
}