public static void ProcessQueue([QueueTrigger(queueName: Utility.QUEUE)] string request,
[CosmosDB(Utility.URL_TRACKING, Utility.URL_STATS, CreateIfNotExists = true, ConnectionStringSetting = "CosmosDb")] out dynamic doc,
TraceWriter log)
{
try
{
AnalyticsEntry parsed = Utility.ParseQueuePayload(request);
var page = parsed.LongUrl.AsPage(HttpUtility.ParseQueryString);
var analytics = parsed.LongUrl.ExtractCampaignMediumAndAlias(HttpUtility.ParseQueryString);
var campaign = analytics.Item1;
var medium = analytics.Item2;
var alias = analytics.Item3;
if (string.IsNullOrWhiteSpace(alias))
{
alias = Utility.DEFAULT_ALIAS;
}
// cosmos DB
var normalize = new[] { '/' };
doc = new ExpandoObject();
doc.id = Guid.NewGuid().ToString();
doc.page = page.TrimEnd(normalize);
doc.alias = alias;
if (!string.IsNullOrWhiteSpace(parsed.ShortUrl))
{
doc.shortUrl = parsed.ShortUrl;
}
if (!string.IsNullOrWhiteSpace(campaign))
{
doc.campaign = campaign;
}
if (parsed.Referrer != null)
{
doc.referrerUrl = parsed.Referrer.AsPage(HttpUtility.ParseQueryString);
doc.referrerHost = parsed.Referrer.DnsSafeHost;
}
if (!string.IsNullOrWhiteSpace(parsed.Agent))
{
doc.agent = parsed.Agent;
}
doc.count = 1;
doc.timestamp = parsed.TimeStamp;
doc.host = parsed.LongUrl.DnsSafeHost;
if (!string.IsNullOrWhiteSpace(medium))
{
((IDictionary <string, object>)doc).Add(medium, 1);
}
log.Info($"CosmosDB: {doc.id}|{doc.page}|{parsed.ShortUrl}|{campaign}|{medium}");
}
catch (Exception ex)
{
log.Error("An unexpected error occurred", ex);
throw;
}
}
public static AnalyticsEntry ParseQueuePayload(string payload)
{
if (string.IsNullOrWhiteSpace(payload))
{
throw new ArgumentNullException("payload");
}
var parts = payload.Split('|');
if (parts.Length != 5)
{
throw new ArgumentException($"Bad payload: {payload}");
}
var entry = new AnalyticsEntry
{
ShortUrl = parts[0].Trim(),
LongUrl = new Uri(parts[1]),
TimeStamp = DateTime.Parse(parts[2]),
Referrer = string.IsNullOrWhiteSpace(parts[3]) ? null : new Uri(parts[3]),
Agent = parts[4]
};
return(entry);
}