public void OnImageAttachmentCompleted(ImageAttachmentEventArgs evt)
{
EventHandler <ImageAttachmentEventArgs> handler = ImageAttachmentCompleted;
if (handler != null)
{
handler(this, evt);
}
}
public void HandleImageAttachmentCompleted(object sender, ImageAttachmentEventArgs evt)
{
if (evt.Attachment.type != AttachmentType.image || evt.Meta != ImageMeta.Origin)
{
return;
}
TaskQueue.EnqueueMedium(this.HandleImageAttachmentCompletedSync, evt);
}
public void Execute(Attachment file, ImageMeta meta, NameValueCollection Parameters, Driver driver, string savedName, AttachmentUploadHandler handler)
{
this.handler = handler;
this.driver = driver;
file.file_size = file.RawData.Count;
file.modify_time = DateTime.UtcNow;
file.url = "/v2/attachments/view/?object_id=" + file.object_id;
file.saved_file_name = savedName;
BeforeSaveAttachment(file, Parameters, meta);
new FileStorage(driver).SaveFile(savedName, file.RawData);
SaveAttachmentInfoToDB(file, meta, savedName);
AttachmentEventArgs aEvtArgs = new AttachmentEventArgs
{
Attachment = file,
Driver = driver
};
ImageAttachmentEventArgs evtArgs = new ImageAttachmentEventArgs
{
Attachment = file,
Meta = meta,
UserApiKey = Parameters["apikey"],
UserSessionToken = Parameters["session_token"],
Driver = driver
};
handler.OnAttachmentSaved(aEvtArgs);
handler.OnImageAttachmentSaved(evtArgs);
HttpHelper.RespondSuccess(handler.Response, ObjectUploadResponse.CreateSuccess(file.object_id));
handler.OnImageAttachmentCompleted(evtArgs);
}
public void HandleImageAttachmentSaved(object sender, ImageAttachmentEventArgs evt)
{
System.Diagnostics.Debug.Assert(evt.Attachment.type == AttachmentType.image);
if (evt.Meta != ImageMeta.Origin)
{
return;
}
if (evt.Attachment.image_meta != null && evt.Attachment.image_meta.medium != null)
{
return;
}
try
{
ThumbnailInfo medium;
Attachment update;
using (Bitmap origImage = BuildBitmap(evt.Attachment.RawData))
{
// release raw data immediately
evt.Attachment.RawData = new ArraySegment <byte>();
medium = MakeThumbnail(origImage, ImageMeta.Medium,
evt.Attachment.Orientation,
evt.Attachment.object_id,
evt.Driver,
evt.Attachment.file_name);
update = new Attachment
{
object_id = evt.Attachment.object_id,
image_meta = new ImageProperty
{
width = origImage.Width,
height = origImage.Height,
medium = medium
}
};
}
BsonDocument exist = AttachmentCollection.Instance.FindOneAs <BsonDocument>(
Query.EQ("_id", evt.Attachment.object_id));
exist.DeepMerge(update.ToBsonDocument());
AttachmentCollection.Instance.Save(exist);
TaskQueue.EnqueueMedium(this.UpstreamThumbnail,
new UpstreamArgs
{
FullImageId = evt.Attachment.object_id,
GroupId = evt.Attachment.group_id,
ImageMeta = ImageMeta.Medium,
Thumbnail = medium,
UserApiKey = evt.UserApiKey,
UserSessionToken = evt.UserSessionToken
});
}
catch (Exception e)
{
logger.Warn("Unabel to make thumbnail and upstream", e);
}
}
public void HandleImageAttachmentCompletedSync(object args)
{
ImageAttachmentEventArgs evt = (ImageAttachmentEventArgs)args;
if (evt.Attachment.type != AttachmentType.image || evt.Meta != ImageMeta.Origin)
{
return;
}
try
{
ThumbnailInfo small;
ThumbnailInfo large;
ThumbnailInfo square;
string origImgObjectId = evt.Attachment.object_id;
using (Bitmap origImage = BuildBitmap(evt.Attachment.RawData))
{
// release raw data immediately
evt.Attachment.RawData = new ArraySegment <byte>();
small = MakeThumbnail(origImage, ImageMeta.Small, evt.Attachment.Orientation,
origImgObjectId, evt.Driver, evt.Attachment.file_name);
large = MakeThumbnail(origImage, ImageMeta.Large, evt.Attachment.Orientation,
origImgObjectId, evt.Driver, evt.Attachment.file_name);
square = MakeThumbnail(origImage, ImageMeta.Square, evt.Attachment.Orientation,
origImgObjectId, evt.Driver, evt.Attachment.file_name);
}
Attachment update = new Attachment
{
object_id = evt.Attachment.object_id,
image_meta = new ImageProperty
{
small = small,
large = large,
square = square
}
};
BsonDocument doc = AttachmentCollection.Instance.FindOneAs <BsonDocument>(
Query.EQ("_id", origImgObjectId));
doc.DeepMerge(update.ToBsonDocument());
AttachmentCollection.Instance.Save(doc);
doc.Clear();
doc = null;
UpstreamThumbnail(small, evt.Attachment.group_id, evt.Attachment.object_id,
ImageMeta.Small, evt.UserApiKey, evt.UserSessionToken);
UpstreamThumbnail(large, evt.Attachment.group_id, evt.Attachment.object_id,
ImageMeta.Large, evt.UserApiKey, evt.UserSessionToken);
UpstreamThumbnail(square, evt.Attachment.group_id, evt.Attachment.object_id,
ImageMeta.Square, evt.UserApiKey, evt.UserSessionToken);
long newValue = Interlocked.Add(ref g_counter, 1L);
if (newValue % 5 == 0)
{
GC.Collect();
}
}
catch (Exception e)
{
logger.Warn("Image attachment post processing unsuccess", e);
}
}