public bool CreateImagePreview(string mediaId)
{
bool result = false;
string photoNamePreview = ImagePathManager.GetMediaFilename(mediaId, MediaObjectTypeEnum.Image, true);
string pathToOriginal = ImagePathManager.GetImagePath(mediaId, MediaObjectTypeEnum.Image, false);
string pathToPreview = ImagePathManager.GetImagePath(mediaId, MediaObjectTypeEnum.Image, true);
try
{
byte[] originalByteArray = readFileToByteArray(pathToOriginal);
if (originalByteArray.Length > 0)
{
ImagePreviewManager previewManager = new ImagePreviewManager();
var mediaService = DependencyService.Get <IMediaService>();
byte[] imgPreviewByteArray = previewManager.GetPreviewImage(mediaService, originalByteArray, _width, _height, _quality);
File.WriteAllBytes(pathToPreview, imgPreviewByteArray);
result = true;
}
}
catch (Exception e)
{
Crashes.TrackError(e, new Dictionary <string, string> {
{ "MediaId", "ImgPreview" }, { mediaId, photoNamePreview }
});
}
return(result);
}
public void TryDeleteFile(string routePointMediaObjectId, MediaObjectTypeEnum mediaType, bool isPreview = false)
{
string filename = ImagePathManager.GetImagePath(routePointMediaObjectId, mediaType, isPreview);
if (File.Exists(filename))
{
try
{
File.Delete(filename);
}
catch (Exception e)
{
HandleError.Process("RoutePointMediaObjectManager", "TryDeleteFile", e, false);
}
}
}
internal void UpdateMetadata(string pathToImageDirectory)
{
var startDate = DateTime.Now;
int countFiles = 0;
var files = _cacheManager.LocalFilesByDays(_dateBegin, _dateEnd, pathToImageDirectory);
foreach (var currentFile in files)
{
if (!currentFile.Processed)
{
_imageManager.SetPreviewImageQuality(ImageQualityType.MiddleSizeHiQuality);
var currentMetadata = _imageManager.GetPhoto(currentFile.Id, Path.Combine(currentFile.SourcePath, currentFile.SourceFileName));
if (currentMetadata.getMetadataPhotoResult)
{
currentFile.Latitude = currentMetadata.imageGpsCoordinates.Latitude;
currentFile.Longitude = currentMetadata.imageGpsCoordinates.Longitude;
currentFile.ImagePreviewFileName = ImagePathManager.GetImagePath(currentFile.Id, LocalDB.Model.MediaObjectTypeEnum.Image, true);
}
currentFile.Processed = true;
_cacheManager.Save(currentFile);
if (countFiles % 10 == 0)
{
Xamarin.Forms.MessagingCenter.Send <CurrentProgressIndexMessage>(new CurrentProgressIndexMessage()
{
Index = countFiles
}, string.Empty);
}
countFiles++;
}
}
var delay = DateTime.Now - startDate;
Analytics.TrackEvent("ImagesCacheDb:Update metadata", new Dictionary <string, string> {
{ "delay", delay.ToString() },
{ "dateBegin", _dateBegin.ToString(DateTimeFormatInfo.InvariantInfo) },
{ "dateEnd", _dateEnd.ToString(DateTimeFormatInfo.InvariantInfo) },
{ "countFiles", files.Count().ToString() }
});
}
