/// <summary>
/// Check that the Media item name does not match the filename, or have a common image extension.
/// Because the media item name is used as the image alt tag.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MediaService_Saved(IMediaService sender, SaveEventArgs <IMedia> e)
{
var imageMediaItems = e.SavedEntities.Where(x => x.ContentType.Alias.ToLower() == "image");
foreach (var mediaItem in imageMediaItems)
{
var ValidateMediaItem = MediaFilenameValidation.ValidMediaItem(mediaItem);
if (ValidateMediaItem.Item1 == false)
{
e.Messages.Add(new EventMessage("Invalid Media", string.Format("The media was saved. However {0}", ValidateMediaItem.Item2), EventMessageType.Warning));
break;
}
var ValidateForImage = MediaFilenameValidation.CheckMediaForImage(mediaItem);
if (ValidateForImage.Item1 == false)
{
e.Messages.Add(new EventMessage("Invalid Media Item", string.Format("The media was saved. However {0}", ValidateForImage.Item2), EventMessageType.Warning));
break;
}
var ValidateName = MediaFilenameValidation.ValidMediaName(mediaItem);
if (ValidateName.Item1 == false)
{
e.Messages.Add(new EventMessage("Invalid Name", string.Format("The media was saved. However {0}", ValidateName.Item2), EventMessageType.Warning));
break;
}
var ValidateForFileExtensions = MediaFilenameValidation.CheckMediaForFileExtensions(mediaItem);
if (ValidateForFileExtensions.Item1 == false)
{
e.Messages.Add(new EventMessage("Invalid Name", string.Format("The media was saved. However {0}", ValidateForFileExtensions.Item2), EventMessageType.Warning));
break;
}
}
}
/// <summary>
/// Validate the content before it is actually saved.
/// Ensure all Media images have a valid name, because it is used as the Alt tag.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ContentService_Saving(IContentService sender, SaveEventArgs <IContent> e)
{
if (_mediaIdProviders == null)
{
_mediaIdProviders = new MediaIdProvidersFromConfig(ApplicationContext.Current.Services.MediaService, ApplicationContext.Current.Services.DataTypeService).LoadProviders();
}
foreach (var contentItem in e.SavedEntities)
{
// Check that all Images used are named correctly (not the same as the file name)
foreach (var propertyType in contentItem.PropertyTypes)
{
var p = _mediaIdProviders.FirstOrDefault(m => m.CanReadPropertyType(propertyType));
if (p == null)
{
continue;
}
var idList = p.ReadProperty(contentItem.Properties[propertyType.Alias]);
foreach (var mediaNodeId in idList)
{
var mediaItem = ApplicationContext.Current.Services.MediaService.GetById(mediaNodeId);
if (mediaItem != null && mediaItem.ContentType.Alias.ToLower() == "image")
{
var ValidateMediaItem = MediaFilenameValidation.ValidMediaItem(mediaItem);
if (ValidateMediaItem.Item1 == false)
{
e.CancelOperation(new EventMessage("Invalid Media", string.Format("{0}", ValidateMediaItem.Item2), EventMessageType.Error));
}
var ValidateForImage = MediaFilenameValidation.CheckMediaForImage(mediaItem);
if (ValidateForImage.Item1 == false)
{
e.CancelOperation(new EventMessage("Invalid Media", string.Format("{0}", ValidateForImage.Item2), EventMessageType.Error));
break;
}
var ValidateName = MediaFilenameValidation.ValidMediaName(mediaItem);
if (ValidateName.Item1 == false)
{
e.CancelOperation(new EventMessage("Invalid Media", string.Format("{0}", ValidateName.Item2), EventMessageType.Error));
}
var ValidateForFileExtensions = MediaFilenameValidation.CheckMediaForFileExtensions(mediaItem);
if (ValidateForFileExtensions.Item1 == false)
{
e.CancelOperation(new EventMessage("Invalid Media", string.Format("{0}", ValidateForFileExtensions.Item2), EventMessageType.Error));
}
}
else
{
continue;
}
}
}
}
}