public bool IsFileNameCorrect(GenericPhotoEnums.FilenameFormats fileFormat, string fileNamePrefix)
{
// Throw Exception if date is not read
if (this.InternalPhotoMetadata == null || this.InternalPhotoMetadata.DateTaken == new DateTime())
{
throw new Exception("Metadata has not been read or it is invalid");
}
string fileDatePart = this.InternalPhotoMetadata.DateTaken.ToString("yyyyMMdd");
string fileSequencePart = string.Empty;
// Calculate yyyymmddSequence
if (fileFormat == GenericPhotoEnums.FilenameFormats.yyyymmddSequence)
{
// Add Prefix if one is defined
// Return true of the date part is correct
// TODO Should also try and validate the last part is a number
if (string.IsNullOrEmpty(fileNamePrefix))
{
return(this.FileName.StartsWith(fileDatePart + "_"));
}
else
{
return(this.FileName.StartsWith(fileNamePrefix + "_" + fileDatePart + "_"));
}
}
else if (fileFormat == GenericPhotoEnums.FilenameFormats.yyyymmddHoursMinutesSeconds)
{
// Generate fileSequencePart based on HHMMss
fileSequencePart = this.InternalPhotoMetadata.DateTaken.ToString("HHmmss");
}
else if (fileFormat == GenericPhotoEnums.FilenameFormats.yyyymmddSecondsSinceMidnight)
{
// Generate fileSequencePart based on seconds part
// Pad to 5 digits
fileSequencePart = this.InternalPhotoMetadata.DateTaken.TimeOfDay.TotalSeconds.ToString().PadLeft(5, '0');
}
// Check filename starts with the the correct pattern
if (string.IsNullOrEmpty(fileNamePrefix))
{
return(this.FileName.StartsWith(fileDatePart + "_" + fileSequencePart));
}
else
{
return(this.FileName.StartsWith(fileNamePrefix + "_" + fileDatePart + "_" + fileSequencePart));
}
}
public string RecommendedFileName(GenericPhotoEnums.FilenameFormats fileFormat, string fileNamePrefix)
{
// Throw Exception if date is not read
if (this.InternalPhotoMetadata == null || this.InternalPhotoMetadata.DateTaken == null || this.InternalPhotoMetadata.DateTaken == new DateTime())
{
throw new Exception("Metadata has not been read or it is invalid");
}
string fileDatePart = this.InternalPhotoMetadata.DateTaken.ToString("yyyyMMdd");
string fileSequencePart = string.Empty;
int fileIncrement = 0;
// File name is blank which should fail the first Exists check
string newFileName = string.Empty;
// Calculate yyyymmddSequence
if (fileFormat == GenericPhotoEnums.FilenameFormats.yyyymmddSequence)
{
// Generate fileSequencePart based on sequence, try looping until filename doesn't exist
while (true)
{
fileIncrement++;
// Add Prefix if one is defined
if (string.IsNullOrEmpty(fileNamePrefix))
{
newFileName = fileDatePart + "_" + fileIncrement;
}
else
{
newFileName = fileNamePrefix + "_" + fileDatePart + "_" + fileIncrement;
}
if (!File.Exists(this.FileFullName.Replace(this.FileName, newFileName)))
{
break;
}
}
return(newFileName);
}
// Set the right SequencePart
if (fileFormat == GenericPhotoEnums.FilenameFormats.yyyymmddHoursMinutesSeconds)
{
// Generate fileSequencePart based on HHMMss
fileSequencePart = this.InternalPhotoMetadata.DateTaken.ToString("HHmmss");
}
else if (fileFormat == GenericPhotoEnums.FilenameFormats.yyyymmddSecondsSinceMidnight)
{
// Generate fileSequencePart based on seconds part
// Pad to 5 digits
fileSequencePart = this.InternalPhotoMetadata.DateTaken.TimeOfDay.TotalSeconds.ToString().PadLeft(5, '0');
}
// Generate filename and loop until no file exists with the same name
while (true)
{
// Add Prefix if one is defined
if (string.IsNullOrEmpty(fileNamePrefix))
{
newFileName = fileDatePart + "_" + fileSequencePart + fileIncrement;
}
else
{
newFileName = fileNamePrefix + "_" + fileDatePart + "_" + fileSequencePart + fileIncrement;
}
if (!File.Exists(this.FileFullName.Replace(this.FileName, newFileName)))
{
break;
}
fileIncrement++;
}
return(newFileName);
}
public string RecommendedFileName(GenericPhotoEnums.FilenameFormats fileFormat)
{
return(this.RecommendedFileName(fileFormat));
}
public bool IsFileNameCorrect(GenericPhotoEnums.FilenameFormats fileFormat)
{
return(this.IsFileNameCorrect(fileFormat, string.Empty));
}
