public static Photo ProcessPhoto(int buildingId, byte[] imageBytes, ImageFormat format, string extension,
BuildingFacade buildingFacade, PhotoFacade photoFacade)
{
var photoId = Guid.NewGuid();
//resolutions
var vectors = new List<Vector2>();
vectors.Add(new Vector2(800, 600));
vectors.Add(new Vector2(600, 395));
vectors.Add(new Vector2(280, 190));
vectors.Add(new Vector2(200, 150));
vectors.Add(new Vector2(115, 85));
vectors.Add(new Vector2(50, 50));
//load image
using(var stream = new MemoryStream(imageBytes))
{
stream.Position = 0;
using(Image image = Image.FromStream(stream))
{
foreach(var v in vectors)
{
using(Image resized = ImageScaler.Crop(image, v.X, v.Y,
ImageScaler.AnchorPosition.Center))
{
string fileName = string.Format("{0}-{1}x{2}{3}",
photoId, v.X, v.Y, extension);
//UploadPhoto would go here
SavePhoto(buildingId, resized, fileName, format);
}
}
}
}
//create the db reference for the images.
var photo = new Photo();
photo.PhotoId = photoId;
photo.BuildingId = buildingId;
photo.Extension = extension.Replace(".", string.Empty);
if(photoFacade.GetPhotos(buildingId).Count(p => p.IsPrimary) == 0)
photo.IsPrimary = true;
if(photo.IsPrimary)
{
var building = buildingFacade.GetBuilding(buildingId);
building.PrimaryPhotoId = photo.PhotoId;
building.PrimaryPhotoExtension = photo.Extension;
buildingFacade.Save();
}
photoFacade.AddPhoto(buildingId, photo);
photoFacade.Save();
return photo;
}
private void UploadPhotoToAzure(Stream file, Photo photo, int width, int height)
{
// create a resized image
using (Image resized = ImageScaler.Crop(
Image.FromStream(file),
width, height, ImageScaler.AnchorPosition.Center))
{
using (MemoryStream upload = new MemoryStream())
{
// encode and save that image to a memory stream
ImageCodecInfo[] info = ImageCodecInfo.GetImageEncoders();
var encoderParams = new EncoderParameters(1);
encoderParams.Param[0] = new EncoderParameter(Encoder.Quality, 100L);
resized.Save(upload, info[1], encoderParams);
// reset the image
upload.Position = 0;
}
}
}
/// <summary>
/// Deprecated Method for adding a new object to the Photos EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToPhotos(Photo photo)
{
base.AddObject("Photos", photo);
}
public Status<Photo[]> UploadPhotos(string username, long buildingId, UploadFileStream[] files)
{
using (var context = new RentlerContext())
{
try
{
// get the building
var building = (from b in context.Buildings
where b.User.Username == username &&
b.BuildingId == buildingId
select b).SingleOrDefault();
if (building == null)
return Status.NotFound<Photo[]>();
int nextPosition = building.Photos.Count;
List<Photo> final = new List<Photo>();
foreach (var upload in files)
{
if (upload == null) continue;
Photo photo = new Photo();
photo.Extension = Path.GetExtension(upload.FileName).ToLower();
photo.BuildingId = building.BuildingId;
photo.CreateDateUtc = DateTime.UtcNow;
photo.CreatedBy = "photoadapter";
photo.UpdateDateUtc = DateTime.UtcNow;
photo.UpdatedBy = "photoadapter";
photo.PhotoId = Guid.NewGuid();
photo.SortOrder = nextPosition;
if (!Rentler.Configuration.Photos.Current.SupportedExtensions.Contains(photo.Extension))
continue;
UploadPhotoToAzure(upload.Stream, photo, 800, 600);
UploadPhotoToAzure(upload.Stream, photo, 600, 395);
UploadPhotoToAzure(upload.Stream, photo, 280, 190);
UploadPhotoToAzure(upload.Stream, photo, 200, 150);
UploadPhotoToAzure(upload.Stream, photo, 115, 85);
UploadPhotoToAzure(upload.Stream, photo, 50, 50);
building.Photos.Add(photo);
// see if it's the first photo uploaded
if (nextPosition == 0)
{
building.PrimaryPhotoId = photo.PhotoId;
building.PrimaryPhotoExtension = photo.Extension;
}
context.SaveChanges();
photo.Building = null;
final.Add(photo);
nextPosition++;
}
InvalidateCache(buildingId);
return Status.OK<Photo[]>(final.ToArray());
}
catch (Exception ex)
{
return Status.Error<Photo[]>(ex.Message, null);
}
}
}
/// <summary>
/// Create a new Photo object.
/// </summary>
/// <param name="photoId">Initial value of the PhotoId property.</param>
/// <param name="buildingId">Initial value of the BuildingId property.</param>
/// <param name="isPrimary">Initial value of the IsPrimary property.</param>
/// <param name="sortOrder">Initial value of the SortOrder property.</param>
/// <param name="extension">Initial value of the Extension property.</param>
/// <param name="createDateUtc">Initial value of the CreateDateUtc property.</param>
/// <param name="createdBy">Initial value of the CreatedBy property.</param>
/// <param name="updateDateUtc">Initial value of the UpdateDateUtc property.</param>
/// <param name="updatedBy">Initial value of the UpdatedBy property.</param>
public static Photo CreatePhoto(global::System.Guid photoId, global::System.Int64 buildingId, global::System.Boolean isPrimary, global::System.Int32 sortOrder, global::System.String extension, global::System.DateTime createDateUtc, global::System.String createdBy, global::System.DateTime updateDateUtc, global::System.String updatedBy)
{
Photo photo = new Photo();
photo.PhotoId = photoId;
photo.BuildingId = buildingId;
photo.IsPrimary = isPrimary;
photo.SortOrder = sortOrder;
photo.Extension = extension;
photo.CreateDateUtc = createDateUtc;
photo.CreatedBy = createdBy;
photo.UpdateDateUtc = updateDateUtc;
photo.UpdatedBy = updatedBy;
return photo;
}
