public virtual ActionResult ViewGalleries()
{
ViewGalleriesVM model = this.ImageService.GetGalleries();
return(View(model));
}
/// <summary>
/// Gets the list of the available galleries.
/// </summary>
/// <returns>The list of galleries.</returns>
public ViewGalleriesVM GetGalleries()
{
ViewGalleriesVM model = new ViewGalleriesVM
{
Galleries = new List <ViewGallerySummaryVM>()
};
// Get the full physical path of the folder which contains the galleries (eg. C:\inetpub\wwwroot\Photos).
string storageFolderPhysicalPath = HttpContext.Current.Server.MapPath(this.ConfigService.StorageFolderVirtualPath);
// Get the full physical paths of each galleries (eg. list of C:\inetpub\wwwroot\Photos\First, C:\inetpub\wwwroot\Photos\Second etc.).
IOrderedEnumerable <string> folderPhysicalPaths = Directory.GetDirectories(storageFolderPhysicalPath).OrderByDescending(p => p);
// Enumerate the galleries.
foreach (string folderPhysicalPath in folderPhysicalPaths)
{
// Get the names of the image files in the requested folder.
IEnumerable <string> imageFileNames = this.GetImageFiles(folderPhysicalPath);
// Get the number of images in the requested folder.
int imageCount = imageFileNames.Count();
// If there is at least one image in the gallery.
if (imageCount > 0)
{
// Get the name of the gallery folder (eg. First).
string folderName = Path.GetFileName(folderPhysicalPath);
// Get the full physical path of the gallery thumbnail image (eg. C:\inetpub\wwwroot\First\folder.jpg).
string thumbnailPhysicalPath = Path.Combine(folderPhysicalPath, "folder.jpg");
// If the thumbnail file does not exist, create it by resizing the first image and saving as "folder.jpg".
if (!File.Exists(thumbnailPhysicalPath))
{
string firstImagePhysicalPath = Path.Combine(folderPhysicalPath, imageFileNames.First());
if (ConfigService.AutoGenerateThumbnails)
{
Instructions instructions = new Instructions
{
Width = 80,
Height = 60,
Mode = FitMode.Max
};
ImageJob job = new ImageJob(firstImagePhysicalPath, thumbnailPhysicalPath, instructions);
try
{
job.Build();
}
catch
{
// In case of any error, use the first image as the thumbnail without resizing it.
thumbnailPhysicalPath = firstImagePhysicalPath;
}
}
else
{
thumbnailPhysicalPath = firstImagePhysicalPath;
}
}
// Get the file name of the thumbnail (eg. folder.jpg or img1.jpg).
string thumbnailFileName = Path.GetFileName(thumbnailPhysicalPath);
// Get the application relative virtual path of the gallery thumbnail image (eg. ~/Photos/First/img1.jpg);
string thumbnailVirtualPath = Path.Combine(Path.Combine(this.ConfigService.StorageFolderVirtualPath, folderName), thumbnailFileName);
// Build the returned model item for the gallery.
ViewGallerySummaryVM gallery = new ViewGallerySummaryVM
{
FolderName = folderName,
Count = imageCount,
ThumbnailUrl = thumbnailVirtualPath
};
model.Galleries.Add(gallery);
}
}
return(model);
}