public static String getImageThumbnailUrl(Utility.ArenaImage blob)
{
/*
* // This is used for ensuring we have a different URL for each image to
* // workaround caches
* byte[] hash = MD5.Create().ComputeHash(blob.ByteArray);
* // step 2, convert byte array to hex string
* StringBuilder sb = new StringBuilder();
* for (int i = 0; i < hash.Length; i++)
* {
* sb.Append(hash[i].ToString("X2"));
* }
* return blob.ThumbnailUrl(200, 200, 200) + "&" + sb.ToString();
*/
return(blob.ThumbnailUrl(200, 200, 200));
}
public Arena.Services.Contracts.ModifyResult UpdateSmallGroupPhoto(System.IO.Stream stream, int id)
{
try
{
Arena.SmallGroup.Group group = new Arena.SmallGroup.Group(id);
Boolean accessDenied = false;
// If this person isn't the outright leader and they don't have edit access
if (group.Leader.PersonID != ArenaContext.Current.Person.PersonID &&
RestApi.GroupClusterOperationAllowed(ArenaContext.Current.Person.PersonID, group.GroupClusterID, OperationType.Edit) == false)
{
accessDenied = true;
// Do a deeper dive into each member of the group
foreach (GroupMember gm in group.Members)
{
if (gm.Active && gm.Role.Value == "Leader")
{
accessDenied = false;
break;
}
}
}
if (accessDenied)
{
throw new Exception("Access denied.");
}
MultipartParser parser = new MultipartParser(stream);
if (parser.Success)
{
// Make sure this is a real image
MemoryStream ms = new MemoryStream(parser.FileContents);
String myStream = Encoding.ASCII.GetString(ms.ToArray());
Image image = Image.FromStream(ms);
ImageCodecInfo[] codecs = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo codec = codecs.First(c => c.FormatID == image.RawFormat.Guid);
// If we have an existing image, delete it
if (group.ImageBlob.BlobID > 0)
{
group.ImageBlob.Delete();
}
// Create a new file
Utility.ArenaImage arenaImage = new Utility.ArenaImage();
// Update everything
arenaImage.ByteArray = parser.FileContents;
arenaImage.MimeType = codec.MimeType;
arenaImage.OriginalFileName = Path.GetFileNameWithoutExtension(parser.Filename) + "." + codec.FormatDescription.ToLower().Replace("jpeg", "jpg");
arenaImage.FileExtension = codec.FormatDescription.ToLower().Replace("jpeg", "jpg");
// Save the file
group.ImageBlob = arenaImage;
group.ImageBlob.Save(ArenaContext.Current.User.Identity.Name);
group.Save(ArenaContext.Current.User.Identity.Name);
}
return new Services.Contracts.ModifyResult()
{
Link = Contracts.SmallGroupMapper.getImageThumbnailUrl(group.ImageBlob),
Successful = true.ToString()
};
}
catch (Exception ex)
{
return new Services.Contracts.ModifyResult()
{
Successful = false.ToString(),
ErrorMessage = string.Format("{0} - {1}", ex.GetType().ToString(), ex.Message)
};
}
}
public Arena.Services.Contracts.ModifyResult UpdateSmallGroupPhoto(System.IO.Stream stream, int id)
{
try
{
Arena.SmallGroup.Group group = new Arena.SmallGroup.Group(id);
Boolean accessDenied = false;
// If this person isn't the outright leader and they don't have edit access
if (group.Leader.PersonID != ArenaContext.Current.Person.PersonID &&
RestApi.GroupClusterOperationAllowed(ArenaContext.Current.Person.PersonID, group.GroupClusterID, OperationType.Edit) == false)
{
accessDenied = true;
// Do a deeper dive into each member of the group
foreach (GroupMember gm in group.Members)
{
if (gm.Active && gm.Role.Value == "Leader")
{
accessDenied = false;
break;
}
}
}
if (accessDenied)
{
throw new Exception("Access denied.");
}
MultipartParser parser = new MultipartParser(stream);
if (parser.Success)
{
// Make sure this is a real image
MemoryStream ms = new MemoryStream(parser.FileContents);
String myStream = Encoding.ASCII.GetString(ms.ToArray());
Image image = Image.FromStream(ms);
ImageCodecInfo[] codecs = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo codec = codecs.First(c => c.FormatID == image.RawFormat.Guid);
// If we have an existing image, delete it
if (group.ImageBlob.BlobID > 0)
{
group.ImageBlob.Delete();
}
// Create a new file
Utility.ArenaImage arenaImage = new Utility.ArenaImage();
// Update everything
arenaImage.ByteArray = parser.FileContents;
arenaImage.MimeType = codec.MimeType;
arenaImage.OriginalFileName = Path.GetFileNameWithoutExtension(parser.Filename) + "." + codec.FormatDescription.ToLower().Replace("jpeg", "jpg");
arenaImage.FileExtension = codec.FormatDescription.ToLower().Replace("jpeg", "jpg");
// Save the file
group.ImageBlob = arenaImage;
group.ImageBlob.Save(ArenaContext.Current.User.Identity.Name);
group.Save(ArenaContext.Current.User.Identity.Name);
}
return(new Services.Contracts.ModifyResult()
{
Link = Contracts.SmallGroupMapper.getImageThumbnailUrl(group.ImageBlob),
Successful = true.ToString()
});
}
catch (Exception ex)
{
return(new Services.Contracts.ModifyResult()
{
Successful = false.ToString(),
ErrorMessage = string.Format("{0} - {1}", ex.GetType().ToString(), ex.Message)
});
}
}