public async Task EnqueueAsync(Expression <Action> methodCall)
{
if (methodCall == null)
{
throw new ArgumentNullException(nameof(methodCall));
}
var method = MethodInvocation.FromExpression(methodCall);
await EnqueueCore(null, method);
_server.Pulse(PulseKind.BackgroundJobEnqueued);
}
private async Task EnqueueCore(DateTime?due, MethodInvocation method)
{
var data = InvocationData.Serialize(method);
var job = new Job(data.Serialize())
{
Due = due
};
await _connection.StoreJobAsync(job);
if (job.Due == null)
{
_server.Pulse();
}
}
private async Task EnqueueCore(DateTime?due, MethodInvocation method)
{
var data = InvocationData.Serialize(method);
var serializedData = data.Serialize();
var job = new Job(serializedData)
{
Due = due
};
await _connection.StoreJobAsync(job);
if (_logger.IsEnabled(LogLevel.Debug))
{
var methodCall = string.Format(
"{0}.{1}({2})",
method.Type.Name,
method.Method.Name,
string.Join(", ", method.Args.Select(arg => Helper.ToJson(arg))));
if (due == null)
{
_logger.LogDebug(
"Enqueuing a job to be executed immediately: {MethodCall}", methodCall);
}
else
{
var diff = due.Value - DateTime.UtcNow;
var after = diff.TotalSeconds < 60 ? $"{Math.Round(diff.TotalSeconds, 2)} secs" :
(diff.TotalMinutes < 60 ? $"{Math.Round(diff.TotalMinutes, 2)} minutes" :
(diff.TotalHours < 24 ? $"{Math.Round(diff.TotalHours, 2)} hours" :
($"{Math.Round(diff.TotalDays, 2)} days")));
_logger.LogDebug(
"Enqueuing a job to be executed after {After}: {MethodCall}", after, methodCall);
}
}
if (job.Due == null)
{
_server.Pulse();
}
}