public void ProcessImage(GalleryImageItem image)
{
String imageLocation = image.FullImageFileLocation;
String scaledImageLocation = image.ScaledImageFileLocation;
String thumbImageLocation = image.ThumbImageFileLocation;
if (!File.Exists(scaledImageLocation))
{
ScaleImage(_scaledImageScaleMode, imageLocation, scaledImageLocation, _scaledImageWidth, _scaledImagedHeight);
}
if (!File.Exists(thumbImageLocation))
{
ScaleImage(_thumbScaleMode, imageLocation, thumbImageLocation, _thumbImageWidth, _thumbImageHeight);
}
}
public GalleriesModel BuildGalleriesModel()
{
List<Gallery> galleries = new List<Gallery>();
String[] galleryPaths = Directory.GetDirectories(_galleryContentRootFilePath);
foreach (String galleryPath in galleryPaths)
{
// Create a new gallery for each directory.
Gallery gallery = new Gallery();
// Get the directory name to use as the gallery name.
DirectoryInfo galleryDirectoryInfo = new DirectoryInfo(galleryPath);
gallery.FolderName = galleryDirectoryInfo.Name;
gallery.Name = galleryDirectoryInfo.Name;
// We set the last updated time to now by default, but this will be read from the data file later if it exists.
gallery.LastUpdatedTime = DateTime.Now;
gallery.CreatedTime = DateTime.Now;
gallery.CoverImageHttpPath = Path.Combine(_galleryContentRootHttpPath, String.Format("{0}/{1}", gallery.FolderName, _galleryCoverFileName));
gallery.FeedImageHttpPath = _baseHttpUrl + Path.Combine(_galleryContentRootHttpPath, String.Format("{0}/{1}", gallery.FolderName, _galleryCoverFileName));
gallery.CoverImageFilePath = Path.Combine(_galleryContentRootFilePath, String.Format(@"{0}\{1}", gallery.FolderName, _galleryCoverFileName));
String imagesPath = Path.Combine(galleryPath, _galleryFolderOriginalImages);
String[] imageFilePaths = Directory.GetFiles(imagesPath, _imageFileTypeFilter);
// Create zip paths and files.
String zipFileNameLQ = String.Format(_zipFileLQFormat, gallery.FolderName);
String zipFileNameHQ = String.Format(_zipFileHQFormat, gallery.FolderName);
String zipFileFullPathLQ = Path.Combine(galleryPath, zipFileNameLQ);
String zipFileFullPathHQ = Path.Combine(galleryPath, zipFileNameHQ);
ZipFile zipFileLQ = null;
ZipFile zipFileHQ = null;
if (!File.Exists(zipFileFullPathLQ))
{
zipFileLQ = new ZipFile(zipFileFullPathLQ);
zipFileLQ.CompressionLevel = Ionic.Zlib.CompressionLevel.BestCompression;
}
if (!File.Exists(zipFileFullPathHQ))
{
zipFileHQ = new ZipFile(zipFileFullPathHQ);
zipFileHQ.CompressionLevel = Ionic.Zlib.CompressionLevel.BestCompression;
}
// Loop over all of the images found in the path and create
// items for each one with the required data.
foreach (String imagePath in imageFilePaths)
{
GalleryImageItem image = new GalleryImageItem();
image.Name = Path.GetFileName(imagePath);
image.FullImageHttpPath = Path.Combine(_galleryContentRootHttpPath, String.Format("{0}/{1}/{2}", gallery.FolderName, _galleryFolderOriginalImages, image.Name));
image.ScaledImageHttpPath = Path.Combine(_galleryContentRootHttpPath, String.Format("{0}/{1}/{2}", gallery.FolderName, _galleryFolderScaledImages, image.Name));
image.ThumbImageHttpPath = Path.Combine(_galleryContentRootHttpPath, String.Format("{0}/{1}/{2}", gallery.FolderName, _galleryFolderThumbs, image.Name));
image.FullImageFileLocation = Path.Combine(_galleryContentRootFilePath, String.Format(@"{0}\{1}\{2}", gallery.FolderName, _galleryFolderOriginalImages, image.Name));
image.ScaledImageFileLocation = Path.Combine(_galleryContentRootFilePath, String.Format(@"{0}\{1}\{2}", gallery.FolderName, _galleryFolderScaledImages, image.Name));
image.ThumbImageFileLocation = Path.Combine(_galleryContentRootFilePath, String.Format(@"{0}\{1}\{2}", gallery.FolderName, _galleryFolderThumbs, image.Name));
// Alternative code that maps http paths to local file system.
//image.FullImageFileLocation = HttpContext.Current.Server.MapPath(image.FullImageHttpPath);
//image.ScaledImageFileLocation = HttpContext.Current.Server.MapPath(image.ScaledImageHttpPath);
//image.ThumbImageFileLocation = HttpContext.Current.Server.MapPath(image.ThumbImageHttpPath);
// Process each image to create scaled copies and thumbnails.
_imageProcessor.ProcessImage(image);
// If zip files are required add each image to the appropriate zips (either scaled or full size).
if (zipFileLQ != null)
{
zipFileLQ.AddFile(image.ScaledImageFileLocation, String.Empty);
}
if (zipFileHQ != null)
{
zipFileHQ.AddFile(image.FullImageFileLocation, String.Empty);
}
gallery.Items.Add(image);
}
// Build the file path for the gallery data file.
String galleryDataFileName = String.Format(Settings.Default.File_GalleryDataFileNameFormat, gallery.UrlFriendlyName);
gallery.DataFilePath = Path.Combine(_galleryContentRootFilePath, galleryDataFileName);
/* Attempt to read data from the data file.
* This data will extend information already
* gathered from the gallery paths and includes
* textual contant such as descriptions and comments.
*
* Note: This may potentially change the gallery name.
* The folder name will not be changed, but
* the display name and Url friendly name may
* be changed.
*/
_dataProcessor.ReadGalleryData(gallery);
gallery.GalleryExternalHttpPath = String.Format(_galleryHttpPathFormat, _baseHttpUrl, gallery.UrlFriendlyName);
gallery.GalleryInternalHttpPath = String.Format(_galleryHttpPathFormat, String.Empty, gallery.UrlFriendlyName);
gallery.GalleryExternalEnhancedHttpPath = String.Format(_galleryHttpEnhancedPathFormat, _baseHttpUrl, gallery.UrlFriendlyName);
gallery.GalleryInternalEnhancedHttpPath = String.Format(_galleryHttpEnhancedPathFormat, String.Empty, gallery.UrlFriendlyName);
// Check if we need to create a gallery cover.
if (!File.Exists(gallery.CoverImageFilePath) && gallery.Items.Count > 0)
{
GalleryImageItem galleryCoverImage = null;
// First we attempt to resolve the gallery cover from the information known about the images.
galleryCoverImage = gallery.Items.FirstOrDefault(i =>
{
if (i.ItemType == GalleryItemType.Image)
{
var image = i as GalleryImageItem;
if (image != null)
{
return image.IsCover;
}
}
return false;
}) as GalleryImageItem;
//if (galleryCoverImage == null)
//{
// // If the first attempt failed, next we try to resolve the image
// // by looking for an image named:
// // Cover
// // GalleryCover
// galleryCoverImage = gallery.Items.FirstOrDefault(i =>
// {
// if (i.ItemType == GalleryItemType.Image)
// {
// var image = i as GalleryImageItem;
// if (String.Compare(image.Name, "cover.jpg", true) == 0 ||
// String.Compare(image.Name, "gallerycover.jpg", true) == 0)
// {
// return image.IsCover;
// }
// }
// return false;
// }) as GalleryImageItem;
//}
if (galleryCoverImage == null)
{
// Finally, as a last resort to resolve the cover image, just select the first image in the gallery.
galleryCoverImage = (GalleryImageItem)gallery.Items.FirstOrDefault(i => i.ItemType == GalleryItemType.Image);
}
if (galleryCoverImage != null)
{
// Now we have the image, render the cover from it.
_coverRenderer.GenerateCoverImage(gallery.Name, gallery.CoverImageFilePath, galleryCoverImage.FullImageFileLocation);
// Mark this as the cover image. (This will be written to the data file later to guide the administrator if they need to change the cover image.)
galleryCoverImage.IsCover = true;
}
}
// If zip files are required, write the data out to disk.
if (zipFileLQ != null)
{
zipFileLQ.Save();
}
if (zipFileHQ != null)
{
zipFileHQ.Save();
}
// Populate some information about the zips on the gallery object for use later when the gallery is displayed.
gallery.ZipLQFileSizeBytes = new FileInfo(zipFileFullPathLQ).Length;
gallery.ZipHQFileSizeBytes = new FileInfo(zipFileFullPathHQ).Length;
gallery.ZipLQHttpPath = Path.Combine(_galleryContentRootHttpPath, String.Format("{0}/{1}", gallery.FolderName, zipFileNameLQ));
gallery.ZipHQHttpPath = Path.Combine(_galleryContentRootHttpPath, String.Format("{0}/{1}", gallery.FolderName, zipFileNameHQ));
gallery.ZipLQFileLocation = Path.Combine(_galleryContentRootFilePath, String.Format(@"{0}\{1}", gallery.FolderName, zipFileNameLQ));
gallery.ZipHQFileLocation = Path.Combine(_galleryContentRootFilePath, String.Format(@"{0}\{1}", gallery.FolderName, zipFileNameHQ));
_dataProcessor.WriteGalleriesData(gallery);
// Add the gallery to the list.
galleries.Add(gallery);
}
SyndicationFeed feed = _feedBuilder.BuildGalleryFeed(galleries);
GalleriesModel model = new GalleriesModel(_galleriesIndexHttpPath, galleries, feed);
return model;
}
