public virtual IEnumerable <ISalesAttachment> SelectSalesAttachments(SalesLiteratureTypeCode type)
{
var serviceContext = Dependencies.GetServiceContext();
var salesAttachments = Enumerable.Empty <ISalesAttachment>();
var product = serviceContext.GetProduct(Product.Id);
var salesLiterature = product.GetRelatedEntities(serviceContext, "productsalesliterature_association")
.Where(e =>
e.GetAttributeValue <bool?>("iscustomerviewable").GetValueOrDefault() &&
e.GetAttributeValue <OptionSetValue>("literaturetypecode") != null &&
e.GetAttributeValue <OptionSetValue>("literaturetypecode").Value == (int)type)
.ToList();
if (!salesLiterature.Any())
{
return(salesAttachments);
}
return(salesLiterature.Select(literature => SelectSalesAttachments(literature.ToEntityReference()))
.Aggregate(salesAttachments, (current, attachments) => current.Union(attachments))
.OrderBy(e => e.FileName));
}
private ISalesAttachment GetSalesAttachment(Entity product, SalesLiteratureTypeCode type, string keywords)
{
var attachment = SelectSalesAttachments(product, type).FirstOrDefault(e => e.Keywords != null && e.Keywords.Contains(keywords));
return(attachment);
}
private IEnumerable <ISalesAttachment> SelectSalesAttachments(Entity product, SalesLiteratureTypeCode type)
{
var salesAttachments = Enumerable.Empty <ISalesAttachment>();
var salesLiterature = product.GetRelatedEntities(_serviceContext, "productsalesliterature_association")
.Where(s =>
s.GetAttributeValue <bool?>("iscustomerviewable").GetValueOrDefault() &&
s.GetAttributeValue <OptionSetValue>("literaturetypecode") != null &&
s.GetAttributeValue <OptionSetValue>("literaturetypecode").Value == (int)type)
.ToArray();
if (!salesLiterature.Any())
{
return(salesAttachments);
}
var salesliteratureitems = salesLiterature
.Select(literature => SelectSalesAttachments(literature.ToEntityReference()))
.Aggregate(salesAttachments, (current, attachments) => current.Union(attachments))
.OrderBy(e => e.FileName);
return(salesliteratureitems);
}
