private PropertiesChangeResult UpdateImageAttributes(bool needToSetDateTaken, bool needToSetTitle)
{
DateTime valueForDateTaken = DateTime.MinValue;
if (needToSetDateTaken)
{
valueForDateTaken = GetValueForDateTaken();
}
string valueForTitle = null;
if (needToSetTitle)
{
valueForTitle = GetValueForTitle();
}
if (string.IsNullOrEmpty(valueForTitle) && valueForDateTaken == DateTime.MinValue)
{
string expectedToChangeValue = string.Concat(needToSetDateTaken ? "date taken " : null, needToSetTitle ? "title" : null);
s_logger.Debug($"not changing {m_imageFileName} because didn't find meaningful values (expected to change {expectedToChangeValue})");
return(PropertiesChangeResult.NoNeed);
}
var runExifTool = new RunExifTool(m_imageFileName, m_simulationMode);
bool operationResult;
if (!string.IsNullOrEmpty(valueForTitle) && valueForDateTaken != DateTime.MinValue)
{
operationResult = runExifTool.SetDateAndTitle(valueForTitle, valueForDateTaken);
}
else if (valueForDateTaken == DateTime.MinValue)
{
operationResult = runExifTool.SetTitle(valueForTitle);
}
else
{
operationResult = runExifTool.SetDateTaken(valueForDateTaken);
}
return(operationResult ? PropertiesChangeResult.Success : PropertiesChangeResult.Failure);
}
private bool ChangeImageTitle(string valueForTitle)
{
var runExifTool = new RunExifTool(m_imageFileName, m_simulationMode);
return(runExifTool.SetTitle(valueForTitle));
}