private static void ResetProperties(IContentBase content, ImagingAutoFillUploadField autoFillConfig, string?culture, string?segment)
{
if (content == null)
{
throw new ArgumentNullException(nameof(content));
}
if (autoFillConfig == null)
{
throw new ArgumentNullException(nameof(autoFillConfig));
}
if (content.Properties.Contains(autoFillConfig.WidthFieldAlias))
{
content.Properties[autoFillConfig.WidthFieldAlias]?.SetValue(string.Empty, culture, segment);
}
if (content.Properties.Contains(autoFillConfig.HeightFieldAlias))
{
content.Properties[autoFillConfig.HeightFieldAlias]?.SetValue(string.Empty, culture, segment);
}
if (content.Properties.Contains(autoFillConfig.LengthFieldAlias))
{
content.Properties[autoFillConfig.LengthFieldAlias]?.SetValue(string.Empty, culture, segment);
}
if (content.Properties.Contains(autoFillConfig.ExtensionFieldAlias))
{
content.Properties[autoFillConfig.ExtensionFieldAlias]?.SetValue(string.Empty, culture, segment);
}
}
private static void SetProperties(IContentBase content, ImagingAutoFillUploadField autoFillConfig, Size?size, long?length, string extension, string?culture, string?segment)
{
if (content == null)
{
throw new ArgumentNullException(nameof(content));
}
if (autoFillConfig == null)
{
throw new ArgumentNullException(nameof(autoFillConfig));
}
if (!string.IsNullOrWhiteSpace(autoFillConfig.WidthFieldAlias) && content.Properties.Contains(autoFillConfig.WidthFieldAlias))
{
content.Properties[autoFillConfig.WidthFieldAlias] !.SetValue(size.HasValue ? size.Value.Width.ToInvariantString() : string.Empty, culture, segment);
}
if (!string.IsNullOrWhiteSpace(autoFillConfig.HeightFieldAlias) && content.Properties.Contains(autoFillConfig.HeightFieldAlias))
{
content.Properties[autoFillConfig.HeightFieldAlias] !.SetValue(size.HasValue ? size.Value.Height.ToInvariantString() : string.Empty, culture, segment);
}
if (!string.IsNullOrWhiteSpace(autoFillConfig.LengthFieldAlias) && content.Properties.Contains(autoFillConfig.LengthFieldAlias))
{
content.Properties[autoFillConfig.LengthFieldAlias] !.SetValue(length, culture, segment);
}
if (!string.IsNullOrWhiteSpace(autoFillConfig.ExtensionFieldAlias) && content.Properties.Contains(autoFillConfig.ExtensionFieldAlias))
{
content.Properties[autoFillConfig.ExtensionFieldAlias] !.SetValue(extension, culture, segment);
}
}
private void SetProperties(IContentBase content, ImagingAutoFillUploadField autoFillConfig, string filepath, Stream?filestream, string?culture, string?segment)
{
var extension = (Path.GetExtension(filepath) ?? string.Empty).TrimStart(Constants.CharArrays.Period);
var size = _imageUrlGenerator.IsSupportedImageFormat(extension)
? _imageDimensionExtractor.GetDimensions(filestream) ?? (Size?)new Size(Constants.Conventions.Media.DefaultSize, Constants.Conventions.Media.DefaultSize)
: null;
SetProperties(content, autoFillConfig, size, filestream?.Length, extension, culture, segment);
}
/// <summary>
/// Resets the auto-fill properties of a content item, for a specified auto-fill configuration.
/// </summary>
/// <param name="content">The content item.</param>
/// <param name="autoFillConfig">The auto-fill configuration.</param>
/// <param name="culture">Variation language.</param>
/// <param name="segment">Variation segment.</param>
public void Reset(IContentBase content, ImagingAutoFillUploadField autoFillConfig, string?culture, string?segment)
{
if (content == null)
{
throw new ArgumentNullException(nameof(content));
}
if (autoFillConfig == null)
{
throw new ArgumentNullException(nameof(autoFillConfig));
}
ResetProperties(content, autoFillConfig, culture, segment);
}
/// <summary>
/// Populates the auto-fill properties of a content item.
/// </summary>
/// <param name="content">The content item.</param>
/// <param name="autoFillConfig"></param>
/// <param name="filepath">The filesystem-relative filepath, or null to clear properties.</param>
/// <param name="filestream">The stream containing the file data.</param>
/// <param name="culture">Variation language.</param>
/// <param name="segment">Variation segment.</param>
public void Populate(IContentBase content, ImagingAutoFillUploadField autoFillConfig, string filepath, Stream filestream, string culture, string segment)
{
if (content == null)
{
throw new ArgumentNullException(nameof(content));
}
if (autoFillConfig == null)
{
throw new ArgumentNullException(nameof(autoFillConfig));
}
// no file = reset, file = auto-fill
if (filepath.IsNullOrWhiteSpace() || filestream == null)
{
ResetProperties(content, autoFillConfig, culture, segment);
}
else
{
SetProperties(content, autoFillConfig, filepath, filestream, culture, segment);
}
}
/// <summary>
/// Populates the auto-fill properties of a content item, for a specified auto-fill configuration.
/// </summary>
/// <param name="content">The content item.</param>
/// <param name="autoFillConfig">The auto-fill configuration.</param>
/// <param name="filepath">The filesystem path to the uploaded file.</param>
/// <remarks>The <paramref name="filepath" /> parameter is the path relative to the filesystem.</remarks>
/// <param name="culture">Variation language.</param>
/// <param name="segment">Variation segment.</param>
public void Populate(IContentBase content, ImagingAutoFillUploadField autoFillConfig, string filepath, string?culture, string?segment)
{
if (content == null)
{
throw new ArgumentNullException(nameof(content));
}
if (autoFillConfig == null)
{
throw new ArgumentNullException(nameof(autoFillConfig));
}
// no file = reset, file = auto-fill
if (filepath.IsNullOrWhiteSpace())
{
ResetProperties(content, autoFillConfig, culture, segment);
}
else
{
// it might not exist if the media item has been created programatically but doesn't have a file persisted yet.
if (_mediaFileManager.FileSystem.FileExists(filepath))
{
// if anything goes wrong, just reset the properties
try
{
using (Stream filestream = _mediaFileManager.FileSystem.OpenFile(filepath))
{
SetProperties(content, autoFillConfig, filepath, filestream, culture, segment);
}
}
catch (Exception ex)
{
_logger.LogError(ex, "Could not populate upload auto-fill properties for file '{File}'.", filepath);
ResetProperties(content, autoFillConfig, culture, segment);
}
}
}
}
