/// <summary>
/// Gets a <see cref="ClassifiableFile"/> filled from <paramref name="fileName"/>.
/// </summary>
/// <returns>New <see cref="ClassifiableFile"/> filled from <paramref name="fileName"/>.</returns>
/// <param name="fileName">The source file.</param>
public virtual async Task<ClassifiableFile> GetClassifiableFromFileAsync(string fileName, params ClassificationType[] hierarchy)
{
if (fileName == null)
throw new ArgumentNullException("fileName");
if (!_file.Exists(fileName))
throw new FileNotFoundException(string.Format("File '{0}' doesn't exists.", fileName));
var mediaMetaData = await _fileSystemHelper.GetFileMediaMetaDataAsync(fileName);
Location location = mediaMetaData.Location;
var locationTypes = new [] { ClassificationType.Country, ClassificationType.State, ClassificationType.AdministrativeArea, ClassificationType.Locality, ClassificationType.Route };
if (hierarchy.Join(locationTypes, ct => ct, ct => ct, (ct, ct1) => ct).Any())
{
Log.T("Location needed, try to find it.");
if (mediaMetaData.Location != null && mediaMetaData.Location.Coordinate != null &&
mediaMetaData.Location.Coordinate.Latitude != 0 && mediaMetaData.Location.Coordinate.Longitude != 0)
{
try
{
location = await _geolocationHelper.FindGeolocationAsync(mediaMetaData.Location.Coordinate);
Log.D("GPS coordinate found on file '{0}'. Location is {1}.", fileName, location);
}
catch (Exception ex)
{
Log.W(ex, "Fail to get location for coordinates '{0}' on file '{1}' because '{2}'.", mediaMetaData.Location.Coordinate, fileName, ex.Message);
}
}
else
{
Log.D("GPS coordinate not found on file '{0}', so no location will be set.", fileName);
}
}
else
{
Log.T("Location not needed, skip it.");
}
var classifiable = new ClassifiableFile()
{
FileName = mediaMetaData.FileName,
MediaType = mediaMetaData.MediaType,
DateTaken = mediaMetaData.DateTaken,
Location = location,
};
return classifiable;
}
/// <summary>
/// Gets the classification directory.
/// </summary>
/// <returns>The classification directory.</returns>
/// <param name="classifiable">Classifiable.</param>
/// <param name="hierarchy">Hierarchy of classification.</param>
private string GetClassificationDirectory(string targetDirectory, ClassifiableFile classifiable, ClassificationType[] hierarchy)
{
string directory = targetDirectory;
foreach (var currentOrder in hierarchy)
{
switch (currentOrder)
{
case ClassificationType.Year:
directory = _path.Combine(directory, classifiable.DateTaken.Year.ToString());
break;
case ClassificationType.Month:
directory = _path.Combine(directory, classifiable.DateTaken.Month.ToString());
break;
case ClassificationType.Day:
directory = _path.Combine(directory, classifiable.DateTaken.Day.ToString());
break;
case ClassificationType.Hour:
directory = _path.Combine(directory, classifiable.DateTaken.Hour.ToString());
break;
case ClassificationType.Minute:
directory = _path.Combine(directory, classifiable.DateTaken.Minute.ToString());
break;
case ClassificationType.Second:
directory = _path.Combine(directory, classifiable.DateTaken.Second.ToString());
break;
case ClassificationType.Country:
directory = _path.Combine(directory,
(classifiable.Location != null && !string.IsNullOrWhiteSpace(classifiable.Location.Country)) ? classifiable.Location.Country : "Unknown country".T());
break;
case ClassificationType.State:
directory = _path.Combine(directory,
(classifiable.Location != null && !string.IsNullOrWhiteSpace(classifiable.Location.State)) ? classifiable.Location.State : "Unknown state".T());
break;
case ClassificationType.AdministrativeArea:
directory = _path.Combine(directory,
(classifiable.Location != null && !string.IsNullOrWhiteSpace(classifiable.Location.AdministrativeArea)) ? classifiable.Location.AdministrativeArea : "Unknown administrative area".T());
break;
case ClassificationType.Locality:
directory = _path.Combine(directory,
(classifiable.Location != null && !string.IsNullOrWhiteSpace(classifiable.Location.Locality)) ? classifiable.Location.Locality : "Unknown locality".T());
break;
case ClassificationType.Route:
directory = _path.Combine(directory,
(classifiable.Location != null && !string.IsNullOrWhiteSpace(classifiable.Location.Route)) ? classifiable.Location.Route : "Unknown route".T());
break;
case ClassificationType.MediaType:
directory = _path.Combine(directory, classifiable.MediaType.ToString());
break;
}
}
return directory;
}
