protected override void UnpackResponse()
{
base.UnpackResponse();
MemoryStream responseStream = new MemoryStream(m_responsePayload);
BinaryReader responseReader = new BinaryReader(responseStream, Encoding.Unicode);
// Try to unpack the data.
try
{
// Seek past return code.
responseReader.BaseStream.Seek(sizeof(int), SeekOrigin.Begin);
int count = responseReader.ReadInt32();
m_promoData.Clear();
for (int i = 0; i < count; i++)
{
PromoInfo pi = new PromoInfo();
pi.promoGroupID = responseReader.ReadInt32();
pi.promoGroupLineNumber = responseReader.ReadUInt16();
ushort stringLen = responseReader.ReadUInt16();
if (stringLen > 0)
{
pi.promoText = new string(responseReader.ReadChars(stringLen));
}
else
{
pi.promoText = " ";
}
m_promoData.Add(pi);
}
}
catch (EndOfStreamException e)
{
throw new MessageWrongSizeException("Get Promo Text Message", e);
}
catch (Exception e)
{
throw new ServerException("Get Promo Text Message", e);
}
// Close the streams.
responseReader.Close();
}
/// <summary>
/// Prepares the request to be sent to the server
/// </summary>
protected override void PackRequest()
{
// Create the streams that will be written to
MemoryStream requestStream = new MemoryStream();
BinaryWriter requestWriter = new BinaryWriter(requestStream, Encoding.Unicode);
requestWriter.Write(m_operatorID);
Dictionary <string, object> orig = new Dictionary <string, object>();
Dictionary <string, object> promo = new Dictionary <string, object>();
if (m_originalPromoData != null)
{
foreach (PromoInfo pi in m_originalPromoData)
{
orig.Add(pi.promoGroupID.ToString() + "," + pi.promoGroupLineNumber.ToString(), pi);
}
}
foreach (PromoInfo pi in m_promoData)
{
promo.Add(pi.promoGroupID.ToString() + "," + pi.promoGroupLineNumber.ToString(), pi);
}
//lines to remove
if (m_originalPromoData == null)
{
requestWriter.Write((int)0);
}
else
{
List <PromoInfo> remove = new List <PromoInfo>();
foreach (KeyValuePair <string, object> o in orig)
{
PromoInfo pi = (PromoInfo)o.Value;
if (!promo.ContainsKey(pi.promoGroupID.ToString() + "," + pi.promoGroupLineNumber.ToString()))
{
remove.Add(pi);
}
}
requestWriter.Write((int)remove.Count);
foreach (PromoInfo pi in remove)
{
requestWriter.Write(pi.promoGroupID);
requestWriter.Write((ushort)pi.promoGroupLineNumber);
}
}
//lines to add or update
List <PromoInfo> addOrUpdate = new List <PromoInfo>();
foreach (KeyValuePair <string, object> o in promo)
{
PromoInfo pi = (PromoInfo)o.Value;
if (!orig.ContainsKey(pi.promoGroupID.ToString() + "," + pi.promoGroupLineNumber.ToString()) ||
((PromoInfo)orig[pi.promoGroupID.ToString() + "," + pi.promoGroupLineNumber.ToString()]).promoText != pi.promoText)
{
addOrUpdate.Add(pi);
}
}
requestWriter.Write((int)addOrUpdate.Count);
foreach (PromoInfo pi in addOrUpdate)
{
requestWriter.Write(pi.promoGroupID);
requestWriter.Write((ushort)pi.promoGroupLineNumber);
requestWriter.Write((ushort)pi.promoText.Length);
requestWriter.Write(pi.promoText.ToCharArray());
}
// Set the bytes to be sent.
m_requestPayload = requestStream.ToArray();
// Close the streams.
requestWriter.Close();
}