/// <summary>
/// Virtual write method for full list of elements - this is part of the minimum that needs to be overridden
/// </summary>
/// <param name="elements">the list of elements that should be written to the target system.</param>
/// <param name="clientFolderName">the information to where inside the source the elements should be written -
/// This does not need to be a real "path", but need to be something that can be expressed as a string</param>
/// <param name="skipIfExisting">specifies whether existing elements should be updated or simply left as they are</param>
protected override void WriteFullList(List <StdElement> elements, string clientFolderName, bool skipIfExisting)
{
this.LogProcessingEvent("starting update operation");
var configurationData = this.GetConfigurationData(clientFolderName);
var contactClient = new ContactAccess(this.LogOnDomain, configurationData);
contactClient.ProcessingEvent += this.LogProcessingEvent;
this.LogProcessingEvent("start writing {0} contacts");
// map stdelement -> List<contact>, we will need to do multiple linq queries against the local version,
// so we manifest the list into a concrete form instead of just defining the query.
this.LogProcessingEvent("converting data ...");
var localVersionsOfContacts = (from element in elements
select element.ToOracleContact(configurationData.GetAllAttributes))
.ToList();
this.LogProcessingEvent("finished converting data ...");
IEnumerable <ContactData> contactsToSendForUpdate;
var contactsAlreadySent = 0;
var totalNumberOfContacts = localVersionsOfContacts.Count();
// the oracle web-service throws a "Bad Request 400" exception if you try to
// update more than 1000 contacts per session, so you need to divide the full
// list into smaller pieces
while (
(contactsToSendForUpdate = localVersionsOfContacts
.Skip(contactsAlreadySent)
.Take(UndocumentedMaximumNumberOfContactUpdatesPerSession))
.Count() > 0)
{
this.LogProcessingEvent("login using credentials for {0}...", this.LogOnUserId);
if (!contactClient.LogOn(this.LogOnUserId, this.LogOnPassword))
{
this.LogProcessingEvent("login failed - aborting process");
break;
}
this.LogProcessingEvent("login succeeded");
this.LogProcessingEvent("writing next {0} contacts. {1} of {2} contacts written by now.", contactsToSendForUpdate.Count(), contactsAlreadySent, totalNumberOfContacts);
contactClient.UpdateContacts(contactsToSendForUpdate);
contactsAlreadySent += contactsToSendForUpdate.Count();
this.LogProcessingEvent("done writing {0} contacts. {1} of {2} contacts written by now", contactsToSendForUpdate.Count(), contactsAlreadySent, totalNumberOfContacts);
this.LogProcessingEvent("log off ...");
contactClient.LogOff();
}
contactClient.ProcessingEvent -= this.LogProcessingEvent;
}
/// <summary>
/// Overrides the method to read the full list of data.
/// </summary>
/// <param name="clientFolderName">The clientFolderName is currently ignored by the connector.</param>
/// <param name="result">A list of StdElements that will get the new imported entries.</param>
/// <returns>The list with the added contacts</returns>
protected override List <StdElement> ReadFullList(string clientFolderName, List <StdElement> result)
{
this.LogProcessingEvent("starting read operation");
var configurationData = this.GetConfigurationData(clientFolderName);
var contactClient = new ContactAccess(this.LogOnDomain, configurationData);
contactClient.ProcessingEvent += this.LogProcessingEvent;
var contacts = null as IEnumerable <ContactData>;
////contacts = Tools.LoadFromFile<List<ContactData>>("exportedContacts.xml");
this.LogProcessingEvent("login using credentials for {0}...", this.LogOnUserId);
if (contactClient.LogOn(this.LogOnUserId, this.LogOnPassword))
{
this.LogProcessingEvent("login succeeded");
this.LogProcessingEvent("reading data ...");
// read from oracle and save to cache file
contacts = contactClient.QueryContactsByFilter(configurationData.FilterList);
////Tools.SaveToFile(contacts, "exportedContacts.xml");
this.LogProcessingEvent("log off ...");
contactClient.LogOff();
}
this.LogProcessingEvent("converting data ...");
if (contacts != null)
{
contacts.ForEach(x => result.Add(x.ToStdContact(configurationData.GetAllAttributes)));
}
this.LogProcessingEvent("cleaning entities ...");
CleanUpEntities(result);
Tools.DebugWriteLine("{0} Finished Read process ({1} entries)...", DateTime.Now, result.Count);
contactClient.ProcessingEvent -= this.LogProcessingEvent;
return(result);
}
