public override Image LoadImage(string url, HttpRequestParameters requestParameters = null, bool refreshImage = false)
{
MongoImage mongoImage = LoadMongoImage(url, requestParameters, refreshImage);
if (mongoImage.Image == null)
{
LoadImage(mongoImage);
}
return(mongoImage.Image);
}
protected MongoImage CreateMongoImage(string url, HttpRequestParameters requestParameters = null)
{
HttpRequest httpRequest = new HttpRequest {
Url = url
};
string file = _urlCache.GetUrlSubPath(httpRequest);
string path = zPath.Combine(_urlCache.CacheDirectory, file);
if (!zFile.Exists(path))
{
HttpManager.CurrentHttpManager.LoadToFile(httpRequest, path, _urlCache.SaveRequest, requestParameters);
}
Image image = null;
if (zFile.Exists(path))
{
try
{
image = zimg.LoadBitmapFromFile(path);
}
catch (Exception exception)
{
Trace.WriteLine("error unable to load image url \"{0}\" to \"{1}\" (WebImageMongoCacheManager.CreateMongoImage())", url, path);
Trace.Write("error : ");
Trace.WriteLine(exception.Message);
}
}
else
{
Trace.WriteLine("error unable to load image url \"{0}\" to \"{1}\" (WebImageMongoCacheManager.CreateMongoImage())", url, path);
}
MongoImage mongoImage = new MongoImage();
mongoImage.Url = url;
mongoImage.File = file;
mongoImage.Width = image != null ? image.Width : 0;
mongoImage.Height = image != null ? image.Height : 0;
mongoImage.Image = image;
GetCollection().zUpdate(new QueryDocument {
{ "_id", BsonValue.Create(url) }
}, new UpdateDocument {
{ "$set", mongoImage.ToBsonDocument() }
}, UpdateFlags.Upsert);
return(mongoImage);
}
public MongoImage LoadMongoImage(string url, HttpRequestParameters requestParameters = null, bool refreshImage = false)
{
if (!refreshImage)
{
BsonDocument document = GetCollection().zFindOneById <BsonDocument>(BsonValue.Create(url));
if (document != null)
{
//return BsonSerializer.Deserialize<MongoImage>(document);
MongoImage mongoImage = BsonSerializer.Deserialize <MongoImage>(document);
if (mongoImage.Width != 0 && mongoImage.Height != 0)
{
return(mongoImage);
}
}
}
return(CreateMongoImage(url, requestParameters));
}
public void LoadImage(MongoImage mongoImage)
{
mongoImage.Image = zimg.LoadBitmapFromFile(zPath.Combine(_urlCache.CacheDirectory, mongoImage.File));
}
