public HttpResponseMessage Post(SnapshotConfig config)
{
// Validate credentials
if (!ValidateCredentials(config.ApiId, config.Application))
{
return(new HttpResponseMessage(HttpStatusCode.Forbidden));
}
// If Url is null the can´t crawl
if (config.Url == null)
{
return(new HttpResponseMessage
{
StatusCode = HttpStatusCode.BadRequest,
Content = new StringContent("Url is required for crawl")
});
}
// If storing snapshot then a expiration date is required
if (config.Store && config.ExpirationDate == null)
{
return(new HttpResponseMessage
{
StatusCode = HttpStatusCode.BadRequest,
Content = new StringContent("Can´t store the crawl result without an expiration date")
});
}
//Create container for the app
AzureHelper.CreateAppContainerIfNotExists(config.Application);
if (AzureHelper.SnapshotExist(config.Application, config.Url))
{
// If the snapshot is expired then crawl again
if (AzureHelper.SnapshotExpired(config.Application, config.Url))
{
var result = Crawl(config.Url);
if (!result.Contains("Error : Unable to load url") && config.Store)
{
AzureHelper.SaveSnapshot(config.Application, config.Url, SkipMetaFragment(result));
AzureHelper.SetBlobAttributes(config.Application, config.Url, config.UserAgent, config.ExpirationDate);
}
return(new HttpResponseMessage()
{
Content = new StringContent(result)
});
}
// If not expired then read the stored snapshot
return(new HttpResponseMessage()
{
Content = new StringContent(AzureHelper.ReadSnapshot(config.Application, config.Url))
});
}
else
{
// Crawl and store the snapshot
var result = Crawl(config.Url);
if (!result.Contains("Error : Unable to load url") && config.Store)
{
AzureHelper.SaveSnapshot(config.Application, config.Url, SkipMetaFragment(result));
AzureHelper.SetBlobAttributes(config.Application, config.Url, config.UserAgent, config.ExpirationDate);
}
return(new HttpResponseMessage()
{
Content = new StringContent(result)
});
}
}