public HttpResponseMessage Post(UsedGuidInputModel ug)
{
// 1. screening of inputs / unit tested
var initialCheck = DomainLogic.DetermineRequestValidity(ug);
if (initialCheck.StatusCode != HttpStatusCode.OK)
{
// NOTE: initial check produces exactly what we need to return to API caller for failure cases
return(initialCheck);
}
// 2. the main event THE guid colision check ;) / unit & integration testing
if (_dataStore.GuidExistsAlready(ug.Guid))
{
return(DomainLogic.OhNoExistingGuid());
}
// 3. ok we're good to go it's a guid we haven't seen before
try
{
if (_dataStore.SaveGuid(ug.Guid))
{
// this is unit tested
var tweetText = TweetTextBuilder.ProduceTweetText(ug.UsedBy, ug.Guid);
// this is for integration testing
var publistTweetResult = _tweeter.PublishTweet(tweetText);
if (publistTweetResult.StatusCode != HttpStatusCode.OK)
{
return(publistTweetResult);
}
}
return(new HttpResponseMessage(HttpStatusCode.OK));
}
catch (Exception ex)
{
return(new HttpResponseMessage
{
StatusCode = HttpStatusCode.InternalServerError,
ReasonPhrase = ex.Message
});
}
}