/// <summary>
/// Parses the key/value pair from a node, and adds them to the result.
/// </summary>
/// <param name="elem">Element to get info from.</param>
/// <param name="res">Result object to extract data to.</param>
private void AddDataToResult(IDomElement elem, OpenGraphData res)
{
var key = ParseKeyFromNode(elem);
if (!res.ContainsKey(key))
{
res.Add(key, ParseValueFromNode(elem));
}
}
/// <summary>
/// Parses the Open Graph parameters inside the passed html document.
/// </summary>
/// <param name="dom">CQ dom.</param>
/// <returns>OpenGraph data.</returns>
public OpenGraphData ParseDocument(CQ dom)
{
var ret = new OpenGraphData();
foreach (var elem in this.GetOGElements(dom))
{
this.AddDataToResult(elem, ret);
}
return(ret);
}
/// <summary>
/// Maps an EF PageVersion record from the db into an OpenGraphData
/// object.
/// </summary>
/// <param name="dbPageVersion">PageVersion record from the database, must include the OpenGraphImageAsset property.</param>
public virtual OpenGraphData Map(PageVersion dbPageVersion)
{
var result = new OpenGraphData()
{
Description = dbPageVersion.OpenGraphDescription,
Title = dbPageVersion.OpenGraphTitle
};
if (dbPageVersion.OpenGraphImageId.HasValue && dbPageVersion.OpenGraphImageAsset == null)
{
throw new Exception($"{nameof(PageVersion)}.{nameof(dbPageVersion.OpenGraphImageAsset)} must be included in the EF query if using {nameof(OpenGraphDataMapper)}. ");
}
if (dbPageVersion.OpenGraphImageAsset != null)
{
result.Image = _imageAssetRenderDetailsMapper.Map(dbPageVersion.OpenGraphImageAsset);
}
return(result);
}
