/// <summary>
///
/// </summary>
/// <param name="data"></param>
/// <param name="opdsLinkRelation"></param>
/// <param name="opdsLinkMediaType"></param>
/// <param name="propertyAccessor"></param>
/// <param name="nameMapping"></param>
/// <returns></returns>
public virtual OpdsLink Generate(object data, string opdsLinkRelation, string opdsLinkMediaType, IPropertyAccessor propertyAccessor, OpdsNames nameMapping)
{
if (nameMapping == null)
{
nameMapping = new OpdsNames();
}
switch (opdsLinkRelation)
{
// Download
case OpdsRelations.OpenAcquisition:
{
var id = data.GetProperty(propertyAccessor, nameMapping.DownloadLinkId, nameMapping.Id).ToNullableString();
if (!String.IsNullOrEmpty(id))
{
return(GetDownloadLink(id, data.GetProperty(nameMapping.Title, propertyAccessor).ToNullableString()));
}
return(null);
}
case OpdsRelations.Buy:
{
var price = data.GetProperty(nameMapping.Price, propertyAccessor);
if (price != null)
{
var id = data.GetProperty(propertyAccessor, nameMapping.BuyLinkId, nameMapping.Id).ToNullableString();
if (!String.IsNullOrEmpty(id))
{
return(GetBuyLink(id, data.GetProperty(nameMapping.Title, propertyAccessor).ToNullableString(), Convert.ToDecimal(price)));
}
}
return(null);
}
case OpdsRelations.Alternate:
{
if (OpdsMediaType.AcquisitionFeed == opdsLinkMediaType ||
OpdsMediaType.NavigationFeed == opdsLinkMediaType)
{
var id = data.GetProperty(nameMapping.Id, propertyAccessor).ToNullableString();
if (!String.IsNullOrEmpty(id))
{
return(GetNavigationLink(id, data.GetProperty(nameMapping.Title, propertyAccessor).ToNullableString()));
}
}
if (OpdsMediaType.Entry == opdsLinkMediaType)
{
var id = data.GetProperty(propertyAccessor, nameMapping.DetailLinkId, nameMapping.Id).ToNullableString();
if (!String.IsNullOrEmpty(id))
{
// 详细页链接的Id和书籍的Id可能并没有对应关系。仅当没有提供详细页Id时，使用书籍的Id。
return(GetDetailLink(id, data.GetProperty(nameMapping.Title, propertyAccessor).ToNullableString()));
}
}
throw new NotSupportedException();
}
default:
throw new NotSupportedException();
}
}
/// <summary>
///
/// </summary>
public NamingDataOpdsItemConverter()
{
Names = new OpdsNames();
}
