// <param name="peerUri">the peer uri of the conversation participant</param>
// <param name="usingDisplayName">the display name the participant is claiming to be</param>
// <param name="usingAvatarUrl">the avatar the participant is claiming to be</param>
// <param name="outContacts">optional returned list of existing contacts matching to this peer URI and the value is set to null if no existing contacts were found</param>
// <param name="outPreviousName">optionally returned if contacts were not found the this value will be set with the last known display name (if a record was found)</param>
// <param name="outPreviousAvatarUrl">optionally returned if contacts were not found the this value will be set with the last known avatar url (if a record was found)</param>
public int GetOrCreateParticipantIdForConversation (
string peerUri,
string usingDisplayName,
string usingAvatarUrl,
ContactDatabase contactDb,
OptionalOut< IList<Contact> > outContacts = null,
OptionalOut<string> outPreviousName = null,
OptionalOut<string> outPreviousAvatarUrl = null
)
{
Contract.Requires (!String.IsNullOrEmpty(peerUri));
Contract.Requires (contactDb != null);
int resultParticipantId = 0;
IList<Contact> resultContacts = null;
string previousName = usingDisplayName;
string previousAvatar = usingAvatarUrl;
try {
lock (this) {
#region this needs to change
#warning needs to do proper split using op stack
char[] delimiterChars = {'/'};
string[] split = peerUri.Split (delimiterChars, StringSplitOptions.RemoveEmptyEntries);
Contract.Assert (split.Length > 2);
string contactId = split [2];
Contract.Assert (!String.IsNullOrEmpty (contactId));
#endregion
// find any contacts which are associated to this peer URI contact id
resultContacts = contactDb.GetByPeerUriContactId (contactId);
IList<ConversationPartipantRecord> existingRecordsForContactId = GetParticipantRecordByPeerUriContactId (contactId);
if (!Helper.IsNullOrEmpty(existingRecordsForContactId)) {
ConversationPartipantRecord record = existingRecordsForContactId.First ();
// if we found a contact id that means the user is the same user as there cannot be any two users sharing the same contact id (ever)
resultParticipantId = record.ParticipantId;
previousName = record.LastKnownDisplayName;
previousAvatar = record.LastKnownAvatarUrl;
Logger.Debug("found existing participant record for contact id, participant id={0}, peer uri={1}", resultParticipantId, peerUri);
}
List<Contact> contactsMissingRecords = new List<Contact> ();
// search all contacts to see if any have existing records (and which records are missing)
foreach (Contact contact in resultContacts) {
bool foundRecordForThisIdentity = false;
IList<ConversationPartipantRecord> records = GetParticipantRecordByIdentityUri(contact.IdentityUri);
foreach (ConversationPartipantRecord record in records) {
if ((!String.IsNullOrEmpty(record.StableId)) &&
(!String.IsNullOrEmpty(contact.StableId))) {
if (record.StableId != contact.StableId) {
Logger.Trace ("previous participant record was found for identity uri but stable id doesn't match thus skipping, identity uri={0}, contact stable id={1}, record stable id={2}", contact.IdentityUri, contact.StableId, record.StableId);
continue;
}
foundRecordForThisIdentity = foundRecordForThisIdentity || String.Equals(contact.PeerUri, peerUri); // make sure it's the same peer URI (they can be different)
bool updated = false;
// if the record display name / avatar have changed, update the record
if (!String.Equals (contact.DisplayName, record.LastKnownDisplayName)) {
updated = true;
record.LastKnownDisplayName = contact.DisplayName;
}
if (!String.Equals (contact.AvatarUrl, record.LastKnownAvatarUrl)) {
updated = true;
record.LastKnownAvatarUrl = contact.AvatarUrl;
}
if (updated) {
record.LastUpdated = DateTime.UtcNow;
Update (record);
}
if (0 == resultParticipantId) {
resultParticipantId = record.ParticipantId;
Logger.Debug("found participant record for contact based on identity uri, participant id={0}, peer uri={1}, identity uri={2}", resultParticipantId, peerUri, contact.IdentityUri);
continue;
}
Logger.Debug("found participant record for contact based on identity uri higher priority used, participant id={0}, peer uri={1}, identity uri={2}", resultParticipantId, peerUri, contact.IdentityUri);
}
}
if (!foundRecordForThisIdentity) {
contactsMissingRecords.Add (contact);
}
}
bool createdNewParticipantId = false;
// check to see if a participant id was chosen (needs one to be able to add any missing records)
if (0 == resultParticipantId) {
createdNewParticipantId = true;
++lastParticipantId;
resultParticipantId = lastParticipantId;
}
// scan over missing records to add them now
if (!Helper.IsNullOrEmpty(resultContacts)) {
foreach (Contact contact in contactsMissingRecords) {
ConversationPartipantRecord record = new ConversationPartipantRecord ();
record.IdentityUri = contact.IdentityUri;
record.PeerUri = peerUri;
record.PeerUriContactId = contactId;
record.StableId = contact.StableId;
record.ParticipantId = resultParticipantId;
record.LastKnownDisplayName = contact.DisplayName;
record.LastKnownAvatarUrl = contact.AvatarUrl;
Insert (record);
Logger.Trace ("added missing participant record for idenity, participant id={0}, identity={1}, stable id={2}, peer uri={3}", record.ParticipantId, record.IdentityUri, record.StableId, record.PeerUri);
}
} else {
if (createdNewParticipantId) {
ConversationPartipantRecord record = new ConversationPartipantRecord ();
record.IdentityUri = "";
record.PeerUri = peerUri;
record.PeerUriContactId = contactId;
record.StableId = "";
record.ParticipantId = resultParticipantId;
record.LastKnownDisplayName = usingDisplayName;
record.LastKnownAvatarUrl = usingAvatarUrl;
Insert (record);
Logger.Trace ("added missing participant record for peer uri, participant id={0}, peer uri={1}", record.ParticipantId, record.PeerUri);
}
}
}
} finally {
if (null != outContacts) {
if (!Helper.IsNullOrEmpty (resultContacts)) {
outContacts.Result = resultContacts;
} else {
outContacts.Result = new List<Contact> ();
}
}
if (Helper.IsNullOrEmpty (resultContacts)) {
if (null != outPreviousName) {
outPreviousName.Result = previousName;
}
if (null != outPreviousAvatarUrl) {
outPreviousAvatarUrl.Result = previousAvatar;
}
}
}
return resultParticipantId;
}
// <param name="peerUri">the peer uri of the conversation participant</param>
// <param name="usingDisplayName">the display name the participant is claiming to be</param>
// <param name="usingAvatarUrl">the avatar the participant is claiming to be</param>
// <param name="outContacts">optional returned list of existing contacts matching to this peer URI and the value is set to null if no existing contacts were found</param>
// <param name="outPreviousName">optionally returned if contacts were not found the this value will be set with the last known display name (if a record was found)</param>
// <param name="outPreviousAvatarUrl">optionally returned if contacts were not found the this value will be set with the last known avatar url (if a record was found)</param>
public int GetOrCreateParticipantIdForConversation(
string peerUri,
string usingDisplayName,
string usingAvatarUrl,
ContactDatabase contactDb,
OptionalOut <IList <Contact> > outContacts = null,
OptionalOut <string> outPreviousName = null,
OptionalOut <string> outPreviousAvatarUrl = null
)
{
Contract.Requires(!String.IsNullOrEmpty(peerUri));
Contract.Requires(contactDb != null);
int resultParticipantId = 0;
IList <Contact> resultContacts = null;
string previousName = usingDisplayName;
string previousAvatar = usingAvatarUrl;
try {
lock (this) {
#region this needs to change
#warning needs to do proper split using op stack
char[] delimiterChars = { '/' };
string[] split = peerUri.Split(delimiterChars, StringSplitOptions.RemoveEmptyEntries);
Contract.Assert(split.Length > 2);
string contactId = split [2];
Contract.Assert(!String.IsNullOrEmpty(contactId));
#endregion
// find any contacts which are associated to this peer URI contact id
resultContacts = contactDb.GetByPeerUriContactId(contactId);
IList <ConversationPartipantRecord> existingRecordsForContactId = GetParticipantRecordByPeerUriContactId(contactId);
if (!Helper.IsNullOrEmpty(existingRecordsForContactId))
{
ConversationPartipantRecord record = existingRecordsForContactId.First();
// if we found a contact id that means the user is the same user as there cannot be any two users sharing the same contact id (ever)
resultParticipantId = record.ParticipantId;
previousName = record.LastKnownDisplayName;
previousAvatar = record.LastKnownAvatarUrl;
Logger.Debug("found existing participant record for contact id, participant id={0}, peer uri={1}", resultParticipantId, peerUri);
}
List <Contact> contactsMissingRecords = new List <Contact> ();
// search all contacts to see if any have existing records (and which records are missing)
foreach (Contact contact in resultContacts)
{
bool foundRecordForThisIdentity = false;
IList <ConversationPartipantRecord> records = GetParticipantRecordByIdentityUri(contact.IdentityUri);
foreach (ConversationPartipantRecord record in records)
{
if ((!String.IsNullOrEmpty(record.StableId)) &&
(!String.IsNullOrEmpty(contact.StableId)))
{
if (record.StableId != contact.StableId)
{
Logger.Trace("previous participant record was found for identity uri but stable id doesn't match thus skipping, identity uri={0}, contact stable id={1}, record stable id={2}", contact.IdentityUri, contact.StableId, record.StableId);
continue;
}
foundRecordForThisIdentity = foundRecordForThisIdentity || String.Equals(contact.PeerUri, peerUri); // make sure it's the same peer URI (they can be different)
bool updated = false;
// if the record display name / avatar have changed, update the record
if (!String.Equals(contact.DisplayName, record.LastKnownDisplayName))
{
updated = true;
record.LastKnownDisplayName = contact.DisplayName;
}
if (!String.Equals(contact.AvatarUrl, record.LastKnownAvatarUrl))
{
updated = true;
record.LastKnownAvatarUrl = contact.AvatarUrl;
}
if (updated)
{
record.LastUpdated = DateTime.UtcNow;
Update(record);
}
if (0 == resultParticipantId)
{
resultParticipantId = record.ParticipantId;
Logger.Debug("found participant record for contact based on identity uri, participant id={0}, peer uri={1}, identity uri={2}", resultParticipantId, peerUri, contact.IdentityUri);
continue;
}
Logger.Debug("found participant record for contact based on identity uri higher priority used, participant id={0}, peer uri={1}, identity uri={2}", resultParticipantId, peerUri, contact.IdentityUri);
}
}
if (!foundRecordForThisIdentity)
{
contactsMissingRecords.Add(contact);
}
}
bool createdNewParticipantId = false;
// check to see if a participant id was chosen (needs one to be able to add any missing records)
if (0 == resultParticipantId)
{
createdNewParticipantId = true;
++lastParticipantId;
resultParticipantId = lastParticipantId;
}
// scan over missing records to add them now
if (!Helper.IsNullOrEmpty(resultContacts))
{
foreach (Contact contact in contactsMissingRecords)
{
ConversationPartipantRecord record = new ConversationPartipantRecord();
record.IdentityUri = contact.IdentityUri;
record.PeerUri = peerUri;
record.PeerUriContactId = contactId;
record.StableId = contact.StableId;
record.ParticipantId = resultParticipantId;
record.LastKnownDisplayName = contact.DisplayName;
record.LastKnownAvatarUrl = contact.AvatarUrl;
Insert(record);
Logger.Trace("added missing participant record for idenity, participant id={0}, identity={1}, stable id={2}, peer uri={3}", record.ParticipantId, record.IdentityUri, record.StableId, record.PeerUri);
}
}
else
{
if (createdNewParticipantId)
{
ConversationPartipantRecord record = new ConversationPartipantRecord();
record.IdentityUri = "";
record.PeerUri = peerUri;
record.PeerUriContactId = contactId;
record.StableId = "";
record.ParticipantId = resultParticipantId;
record.LastKnownDisplayName = usingDisplayName;
record.LastKnownAvatarUrl = usingAvatarUrl;
Insert(record);
Logger.Trace("added missing participant record for peer uri, participant id={0}, peer uri={1}", record.ParticipantId, record.PeerUri);
}
}
}
} finally {
if (null != outContacts)
{
if (!Helper.IsNullOrEmpty(resultContacts))
{
outContacts.Result = resultContacts;
}
else
{
outContacts.Result = new List <Contact> ();
}
}
if (Helper.IsNullOrEmpty(resultContacts))
{
if (null != outPreviousName)
{
outPreviousName.Result = previousName;
}
if (null != outPreviousAvatarUrl)
{
outPreviousAvatarUrl.Result = previousAvatar;
}
}
}
return(resultParticipantId);
}