/// <summary>
/// Simple but less efficient way of getting an image url if you only know
/// the id. Use the overload accepting an IImageAssetRenderable if possible to save a
/// potential db query if the route isn't cached.
/// </summary>
/// <param name="imageAssetId">Id of the image asset to get the url for</param>
/// <param name="settings">Optional resizing settings for the image</param>
public async Task <string> ImageAssetAsync(int?imageAssetId, IImageResizeSettings settings = null)
{
if (!imageAssetId.HasValue)
{
return(string.Empty);
}
var getImageQuery = new GetImageAssetRenderDetailsByIdQuery(imageAssetId.Value);
var asset = await _queryExecutor.ExecuteAsync(getImageQuery);
return(ImageAsset(asset, settings));
}
/// <summary>
/// Simple but less efficient way of getting an image url if you only know
/// the id. Use the overload accepting an IImageAssetRenderable if possible to save a
/// potential db query if the route isn't cached.
/// </summary>
/// <param name="imageAssetId">Id of the image asset to get the url for</param>
/// <param name="width">width to resize the image to</param>
/// <param name="height">height to resize the image to</param>
public async Task <string> ImageAssetAsync(int?imageAssetId, int?width, int?height = null)
{
if (!imageAssetId.HasValue)
{
return(string.Empty);
}
var getImageQuery = new GetImageAssetRenderDetailsByIdQuery(imageAssetId.Value);
var asset = await _queryExecutor.ExecuteAsync(getImageQuery);
if (asset == null)
{
return(string.Empty);
}
var settings = GetResizeSettings(asset, width, height);
return(GetUrl(asset, settings));
}
public async Task <ImageAssetFile> ExecuteAsync(GetImageAssetFileByIdQuery query, IExecutionContext executionContext)
{
// Render details is potentially cached so we query for this rather than directly with the db
var getImageQuery = new GetImageAssetRenderDetailsByIdQuery(query.ImageAssetId);
var dbResult = await _queryExecutor.ExecuteAsync(getImageQuery, executionContext);
if (dbResult == null)
{
return(null);
}
var fileName = Path.ChangeExtension(query.ImageAssetId.ToString(), dbResult.Extension);
var contentStream = await _fileStoreService.GetAsync(ImageAssetConstants.FileContainerName, fileName);;
if (contentStream == null)
{
throw new FileNotFoundException("Image asset file could not be found", fileName);
}
var result = _imageAssetFileMapper.Map(dbResult, contentStream);
return(result);
}
public Task <ImageAssetRenderDetails> GetImageAssetRenderDetailsByIdAsync(int imageAssetId, IExecutionContext executionContext = null)
{
var query = new GetImageAssetRenderDetailsByIdQuery(imageAssetId);
return(_queryExecutor.ExecuteAsync(query, executionContext));
}
public IContentRepositoryQueryContext <ImageAssetRenderDetails> AsRenderDetails()
{
var query = new GetImageAssetRenderDetailsByIdQuery(_imageAssetId);
return(ContentRepositoryQueryContextFactory.Create(query, ExtendableContentRepository));
}
public Task <ImageAssetRenderDetails> AsRenderDetailsAsync()
{
var query = new GetImageAssetRenderDetailsByIdQuery(_imageAssetId);
return(ExtendableContentRepository.ExecuteQueryAsync(query));
}