// read the document, modify it, call update method on modified document
public static async void ModifyDatesDocument(UpdateDates update)
{
Console.WriteLine("modifying: update dates document");
Trace.TraceInformation("worker role:modifying: update dates document");
Database database = GetDatabase(DatabaseId).Result;
DocumentCollection collection = GetCollection(database, CollectionId).Result;
await UpdateDocument(collection, update);
Console.WriteLine("new update date: " + update.lastUpdate.ToString() + " new updated to date: " + update.updatedTo.ToString());
Trace.TraceInformation("worker role: new update date: " + update.lastUpdate.ToString() + " new updated to date: " + update.updatedTo.ToString());
Console.WriteLine("update dates document modified");
}
// change the dates document
public static void AlterUpdateDates()
{
UpdateDates update = new UpdateDates();
update.lastUpdate = dateTimeLastUpdated;
update.updatedTo = dateTimeUpdatedTo;
update.id = "update_dates";
if (update.updatedTo.Month == 12 && update.updatedTo.Day == 31) // if 31st december push to 1st january
{
update.updatedTo = update.updatedTo.AddDays(1);
}
DatabaseDates.ModifyDatesDocument(update);
}
// create the update dates document
public static async void CreateDatesDocument()
{
var queryDone = false;
UpdateDates update = new UpdateDates();
update.id = "update_dates";
update.lastUpdate = DateTime.Now;
update.updatedTo = DateTime.Now;
while (!queryDone)
{
try
{
Console.WriteLine("creating document for the update dates document");
Database database = GetDatabase(DatabaseId).Result;
DocumentCollection collection = GetCollection(database, CollectionId).Result;
await client.CreateDocumentAsync(collection.SelfLink, update);
Console.WriteLine("update dates document created");
queryDone = true;
}
catch (DocumentClientException documentClientException)
{
var statusCode = (int)documentClientException.StatusCode;
if (statusCode == 429 || statusCode == 503)
Thread.Sleep(documentClientException.RetryAfter);
else
throw;
}
catch (AggregateException aggregateException)
{
if (aggregateException.InnerException.GetType() == typeof(DocumentClientException))
{
var docExcep = aggregateException.InnerException as DocumentClientException;
var statusCode = (int)docExcep.StatusCode;
if (statusCode == 429 || statusCode == 503)
Thread.Sleep(docExcep.RetryAfter);
else
throw;
}
}
}
}
// update a modified document
public static async Task<Document> UpdateDocument(DocumentCollection coll, UpdateDates record)
{
return await client.UpsertDocumentAsync(coll.SelfLink, record);
}