public static bool AssociatePhotos(string articleText, ProviderArticle anArticle, ref List<string> errorList)
{
bool returnValue = true;
//Detach all Photos from their relationship with the article.
anArticle.RemoveAllPhotos();
// Note: There is a bit of a performance hit since we load the article body into the HtmlParser and then later do it again in ProviderArticle Save function.
// We should revisit this area when we need to do performance optimization.
List<string> imageHosts = InsideWordWebSettings.ImageHosts;
List<ImageInfo> imageList = HtmlParser.GetImageInfos(articleText, null);
int orderedCount = 1;
Uri srcUri = null;
foreach (ImageInfo anImageInfo in imageList)
{
ProviderPhotoRecord aRecord = new ProviderPhotoRecord();
if(!Uri.TryCreate(anImageInfo.Src, UriKind.Absolute, out srcUri))
{
errorList.Add(IWStringUtility.SuffixedNumber(orderedCount) + " photo has a bad link. Delete it and recreate it.");
returnValue = false;
}
else
{
if (!aRecord.Load(srcUri))
{
aRecord = new ProviderPhotoRecord(anImageInfo);
aRecord.Save();
List<ProviderPhotoRecord> fakeThumbnailList = ProviderPhotoRecord.CreateFakeThumbnails(aRecord);
foreach (ProviderPhotoRecord fakeThumbnail in fakeThumbnailList)
{
fakeThumbnail.Save();
}
}
anArticle.AddPhoto(aRecord.Id.Value);
}
orderedCount++;
}
return returnValue;
}
protected bool EntityCopy(ProviderPhotoRecord aPhoto)
{
//Never copy over the id, otherwise we would be creating
//a pseudo-reference copy, which we don't want.
//Do not copy over the system times and only the business logic
//times since the system times are specific to a given instance.
_entityPhoto.CreateDate = aPhoto._entityPhoto.CreateDate;
_entityPhoto.EditDate = aPhoto._entityPhoto.EditDate;
_entityPhoto.IsThumbnail = aPhoto._entityPhoto.IsThumbnail;
_entityPhoto.ImageType = aPhoto._entityPhoto.ImageType;
_entityPhoto.OriginalId = aPhoto._entityPhoto.OriginalId;
_entityPhoto.Photographer = aPhoto._entityPhoto.Photographer;
_entityPhoto.Caption = aPhoto._entityPhoto.Caption;
_entityPhoto.IsHidden = aPhoto._entityPhoto.IsHidden;
_entityPhoto.DisplayWidth = aPhoto._entityPhoto.DisplayWidth;
_entityPhoto.DisplayHeight = aPhoto._entityPhoto.DisplayHeight;
_entityPhoto.IgnoreFlags = aPhoto._entityPhoto.IgnoreFlags;
_entityPhoto.ImageUrl = aPhoto._entityPhoto.ImageUrl;
//_entityPhoto.PhysicalPath = aPhoto._entityPhoto.PhysicalPath;
// Do not copy over the physical path. Two records should never point to the same physical path.
return true;
}
public ProviderPhotoRecord Thumbnail(ProviderPhotoRecord.ImageTypeEnum imageType)
{
try
{
return new ProviderPhotoRecord(_entityPhoto.Thumbnails.Where(photo => photo.ImageType == (int)imageType).Single());
}
catch
{
return null;
}
}
public ProviderPhotoRecord CreateFakeThumbnailFromOriginal(ImageTypeEnum imageType)
{
if (this.IsThumbnail)
{
throw new Exception("warning: attempting to create thumbnail from non-original image");
}
ProviderPhotoRecord thumbnail = new ProviderPhotoRecord();
thumbnail.Copy(this);
thumbnail.OriginalId = this.Id;
thumbnail.AdjustToDimensions(imageType);
thumbnail.IsThumbnail = true;
thumbnail.PhotoImageType = imageType;
return thumbnail;
}
public void Copy(ProviderPhotoRecord aPhotoRecord)
{
EntityCopy(aPhotoRecord);
}
/// <summary>
/// Create thumbnails from a given original of size smaller than the original
/// </summary>
/// <param name="filePhoto"></param>
/// <param name="subFolder">sub folder name</param>
/// <returns>list of thumbnail photos in decreasing order of size (order of the ImageType enum)</returns>
public static List<ProviderPhotoRecord> CreateFakeThumbnails(ProviderPhotoRecord photo)
{
List<ProviderPhotoRecord> thumbnailList = new List<ProviderPhotoRecord>();
// Cannot properly create thumbnails if we don't have the width and height dimensions.
if (photo.DisplayHeight.HasValue && photo.DisplayHeight > 1 &&
photo.DisplayWidth.HasValue && photo.DisplayWidth > 1)
{
foreach (ImageTypeEnum type in Enum.GetValues(typeof(ImageTypeEnum)))
{
if (type != ImageTypeEnum.Original)
{
// optionally we could detect here if the thumbnail max dimensions are larger than
// the original and not create the thumbnail but for now we are creating them all
// so we can assume all thumbnail sizes are always available even if some are much
// smaller than their max dimensions
ProviderPhotoRecord thumbnail = photo.CreateFakeThumbnailFromOriginal(type);
thumbnailList.Add(thumbnail);
}
}
}
return thumbnailList;
}
