public EntryForPictureDisplayContract GetCoverPictureThumb(int albumId)
{
var size = ImageSize.Thumb;
// TODO: this all should be moved to DynamicImageUrlFactory
return(repository.HandleQuery(ctx => {
var album = ctx.Load(albumId);
// If there is no picture, return empty.
if (album.CoverPictureData == null || string.IsNullOrEmpty(album.CoverPictureMime))
{
return EntryForPictureDisplayContract.Create(album, PermissionContext.LanguagePreference);
}
// Try to read thumbnail from file system.
var data = album.Thumb;
if (imagePersister.HasImage(data, size))
{
var bytes = imagePersister.ReadBytes(data, size);
return EntryForPictureDisplayContract.Create(album, data.Mime, bytes, PermissionContext.LanguagePreference);
}
// This should return the original image.
return EntryForPictureDisplayContract.Create(album, PermissionContext.LanguagePreference);
}));
}
public EntryForPictureDisplayContract GetCoverPictureThumb(int albumId)
{
var size = new Size(ImageHelper.DefaultThumbSize, ImageHelper.DefaultThumbSize);
return(repository.HandleQuery(ctx => {
var album = ctx.Load(albumId);
if (album.CoverPictureData == null || string.IsNullOrEmpty(album.CoverPictureMime) || album.CoverPictureData.HasThumb(size))
{
return EntryForPictureDisplayContract.Create(album, PermissionContext.LanguagePreference, size);
}
var data = new EntryThumb(album, album.CoverPictureMime);
if (imagePersister.HasImage(data, ImageSize.Thumb))
{
using (var stream = imagePersister.GetReadStream(data, ImageSize.Thumb)) {
var bytes = StreamHelper.ReadStream(stream);
return EntryForPictureDisplayContract.Create(album, data.Mime, bytes, PermissionContext.LanguagePreference);
}
}
return EntryForPictureDisplayContract.Create(album, PermissionContext.LanguagePreference, size);
}));
}
protected ActionResult Picture(EntryForPictureDisplayContract contract)
{
ParamIs.NotNull(() => contract);
Response.Cache.SetETag(string.Format("{0}{1}v{2}", contract.EntryType, contract.EntryId, contract.Version));
return(Picture(contract.Picture, contract.Name));
}
protected ActionResult Picture(EntryForPictureDisplayContract contract)
{
ParamIs.NotNull(() => contract);
// Allow images to be cached by public proxies, images shouldn't contain anything sensitive so this should be ok.
Response.Cache.SetCacheability(HttpCacheability.Public);
Response.Cache.SetETag(string.Format("{0}{1}v{2}", contract.EntryType, contract.EntryId, contract.Version));
// Cached version indicated by the "v" request parameter.
// If no version is specified, assume no caching.
if (contract.Version > 0 && !string.IsNullOrEmpty(Request.Params["v"]))
{
Response.Cache.SetMaxAge(pictureCacheDuration);
}
return(Picture(contract.Picture, contract.Name));
}
public EntryForPictureDisplayContract GetPictureThumb(int artistId)
{
var size = ImageSize.Thumb;
return(repository.HandleQuery(ctx => {
var artist = ctx.Load(artistId);
if (artist.Picture == null || string.IsNullOrEmpty(artist.PictureMime))
{
return EntryForPictureDisplayContract.Create(artist, PermissionContext.LanguagePreference);
}
var data = artist.Thumb;
if (imagePersister.HasImage(data, size))
{
var bytes = imagePersister.ReadBytes(data, size);
return EntryForPictureDisplayContract.Create(artist, data.Mime, bytes, PermissionContext.LanguagePreference);
}
return EntryForPictureDisplayContract.Create(artist, PermissionContext.LanguagePreference);
}));
}
protected ActionResult Picture(EntryForPictureDisplayContract contract)
{
ParamIs.NotNull(() => contract);
var cacheControl = new CacheControlHeaderValue
{
// Allow images to be cached by public proxies, images shouldn't contain anything sensitive so this should be ok.
Public = true,
};
Response.Headers[HeaderNames.ETag] = $"{contract.EntryType}{contract.EntryId}v{contract.Version}";
// Cached version indicated by the "v" request parameter.
// If no version is specified, assume no caching.
if (contract.Version > 0 && !string.IsNullOrEmpty(Request.Query["v"]))
{
cacheControl.MaxAge = PictureCacheDuration;
}
Response.GetTypedHeaders().CacheControl = cacheControl;
return(Picture(contract.Picture, contract.Name));
}
/// <summary>
/// Gets the picture for a <see cref="Artist"/>.
/// </summary>
/// <param name="id">Artist Id.</param>
/// <param name="requestedSize">Requested size. If Empty, original size will be returned.</param>
/// <returns>Data contract for the picture. Can be null if there is no picture.</returns>
public EntryForPictureDisplayContract GetArtistPicture(int id, Size requestedSize)
{
return(HandleQuery(session =>
EntryForPictureDisplayContract.Create(session.Load <Artist>(id), PermissionContext.LanguagePreference, requestedSize)));
}
public EntryForPictureDisplayContract GetArchivedArtistPicture(int archivedVersionId)
{
return(HandleQuery(session =>
EntryForPictureDisplayContract.Create(
session.Load <ArchivedArtistVersion>(archivedVersionId), LanguagePreference)));
}
public EntryForPictureDisplayContract GetArchivedAlbumPicture(int archivedVersionId)
{
return(HandleQuery(session =>
EntryForPictureDisplayContract.Create(
session.Load <ArchivedAlbumVersion>(archivedVersionId), PermissionContext.LanguagePreference)));
}
public EntryForPictureDisplayContract GetCoverPicture(int id)
{
return(HandleQuery(session =>
EntryForPictureDisplayContract.Create(session.Load <Album>(id), PermissionContext.LanguagePreference)));
}
