/// <summary>
/// Look up translation for specified tag, write translationhistory record and replace tag contents.
/// </summary>
/// <param name="Item"></param>
/// <param name="params"></param>
public void Translate(RoutedItem Item, TranslateServiceParams @params)
{
Throw.IfNull(@params);
Throw.IfNull(@params);
try
{
TranslateImpl(Item, @params);
}
catch (Exception e)
{
_logger.LogFullException(e);
}
}
private void TranslateImpl(RoutedItem Item, TranslateServiceParams @params)
{
var tagString = @params.tagString;
var translationFileName = @params.translationFileName;
var force = @params.force;
var sourceDicomFile = @params.sourceDicomFile;
var taskInfo = $"task: {Item.TaskID} fromConnection: {Item.fromConnection} tag: {tagString} translationFileName: {translationFileName} force: {force}";
Translation translation = null;
DicomTag tag = DicomTag.Parse(tagString);
DicomTag studyTag = DicomTag.Parse("0020,0010");
string json = null;
string from = null;
string to = null;
//load the translation specified
try
{
json = File.ReadAllText($"translations/{translationFileName}.json");
}
catch (Exception)
{
_logger.Log(LogLevel.Error, $"{translationFileName}.json doesn't exist, creating default one.");
//create a default one
Translation t = new Translation
{
Tag = "0000,0000",
FromTo = new Dictionary <string, string>()
{
{ "fromvalue1", "tovalue1" }, { "fromvalue2", "tovalue2" }
}
};
json = JsonSerializer.Serialize(t);
Directory.CreateDirectory("translations");
File.WriteAllText($"translations/{translationFileName}.json", json);
}
if (string.IsNullOrEmpty(json))
{
_logger.Log(LogLevel.Error, $"{translationFileName}.json is null or blank.");
}
else
{
translation = JsonSerializer.Deserialize <Translation>(json);
}
if (!sourceDicomFile.Dataset.Any())
{
return;
}
//need to swich based on VR to get correct data type, for now just string
if (sourceDicomFile.Dataset.TryGetSingleValue <string>(tag, out from))
{
if (from == null)
{
from = "NULL";
}
if (from == "")
{
from = "EMPTY";
}
if (translation.FromTo.TryGetValue(from, out to))
{
sourceDicomFile.Dataset.AddOrUpdate <string>(tag, to);
}
else if (force)
{
to = System.Guid.NewGuid().ToString();
translation.FromTo.Add(from, to);
//sourceDicomFile.Dataset.AddOrUpdate<string>(tag, "MissingTranslation");
var j = JsonSerializer.Serialize(translation);
Directory.CreateDirectory("translations");
File.WriteAllText($"translations/{translationFileName}.json", j);
}
}
else if (force)
{
from = "MissingTag";
to = "MissingTag";
sourceDicomFile.Dataset.AddOrUpdate <string>(tag, to);
}
_logger.Log(LogLevel.Debug, $"{taskInfo} from: {from} to: {to}");
//write history
TranslationHistory history = new TranslationHistory();
if (!sourceDicomFile.Dataset.TryGetSingleValue(studyTag, out string study))
{
_logger.Log(LogLevel.Debug, $"{taskInfo} Translation History requires a study \"0020,0010\" tag");
}
else
{
if (from == null)
{
from = "NULL";
}
if (from == "")
{
from = "EMPTY";
}
history.Study = study;
_logger.Log(LogLevel.Debug, $"{taskInfo} Writing history for study: {study} tagString: {tagString} from: {from} to: {to}");
history.Translations.Add(new Translation {
Tag = tagString, FromTo = new Dictionary <string, string>()
{
{ from, to }
}
});
var historyjson = JsonSerializer.Serialize(history);
_logger.Log(LogLevel.Debug, $"{taskInfo} Translation History to file: translations/{history.Study}.json json: {historyjson}");
Directory.CreateDirectory("translations/history");
using StreamWriter sw = File.AppendText($"translations/history/{history.Study}.json");
sw.WriteLine(historyjson);
}
}