/// <summary>
/// Parse HL7 message using the local DB for Segments and trigger events
/// </summary>
/// <param name="message">Raw HL7 formated string. Multiple message file should be formated with \r\n after each message.</param>
/// <returns>HL7 object with segments and events</returns>
public HL7Message Parse(string message)
{
string[] tempMessage = message.Split(new string[] { "\r", "\n" }, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i <= tempMessage.Length - 1; i++)
{
string segment = tempMessage[i].Substring(0, 3);
if (segment == "MSH")
{
tempMessage[i] = string.Format("{0}", tempMessage[i]);
}
tempMessage[i].Trim();
}
this._hl7 = new HL7Message(tempMessage);
base.LogInfoMessage(string.Format("Creating HL7 message object from {0}", message));
//The Fields in the message should drive this, to handle multiple similar segments.
TriggerEvent[] triggerEvents = this._repo.GetTriggerEventsBy(this._hl7.MessageToken.MessageVersion, this._hl7.MessageToken.MessageType, this._hl7.MessageToken.EventType).AsParallel().ToArray <TriggerEvent>();
base.LogInfoMessage(string.Format("Fetching TriggerEvent configuration for verions {0} {1}_{2}", this._hl7.MessageToken.MessageVersion
, this._hl7.MessageToken.MessageType
, this._hl7.MessageToken.EventType));
if (triggerEvents.Length == 0)
{
throw new ParserException(string.Format("No trigger events found for version {0}, message type {1}_{2}", this._hl7.MessageToken.MessageVersion, this._hl7.MessageToken.MessageType, this._hl7.MessageToken.EventType));
}
else
{
foreach (string s in this._hl7.MessageToken.Segments)
{
string segId = s.Substring(0, 3);
base.LogInfoMessage(string.Format("Searching TriggerEvent configuration for segment {0}", segId));
TriggerEvent tr = triggerEvents.Where(x => x.Segment == segId).FirstOrDefault();
if (tr != null)
{
HL7Segment newEvent = this.CreateFromSegmentString(s, tr);
base.LogInfoMessage(string.Format("Successfully created HL7 segment {0} for TriggerEvent {1}_{2}", newEvent.Name, tr.MessageType, tr.EventType));
if (newEvent != null)
{
_hl7.AddEventSegment(newEvent);
}
}
}
return(_hl7);
}
}
