public static System.Collections.Generic.List <ExcursionDescription> GetDescription(string lang, int[] excursions)
{
if (excursions == null)
{
throw new System.ArgumentNullException("excursions");
}
XElement xml = new XElement("excursions",
from e in excursions
select new XElement("excursion", new XAttribute("id", e)));
DataSet ds = DatabaseOperationProvider.QueryProcedure("up_guest_getExcursionDescription", "excursions,pictures,dtree,description", new
{
language = lang,
excursions = xml,
loaddescription = true
});
System.Collections.Generic.IEnumerable <ExcursionPicture> pictures =
from DataRow row in ds.Tables["pictures"].Rows
select ExcursionProvider.factory.ExcursionPicture(row);
return(ds.Tables["excursions"].Rows.Cast <DataRow>().Select(delegate(DataRow row)
{
ExcursionDescription description = new ExcursionDescription();
description.excursion = ExcursionProvider.factory.CatalogExcursion(row);
description.pictures = (
from p in pictures
where p.ex == description.excursion.id
select p).ToList <ExcursionPicture>();
System.Collections.Generic.List <ExcursionProvider.EDSNode> tree = (
from DataRow r in ds.Tables["dtree"].Rows
select new ExcursionProvider.EDSNode
{
id = r.ReadInt("inc"),
parentid = r.ReadNullableInt("parent_inc"),
section = ExcursionProvider.factory.ExcursionDescriptionSection(r)
}).ToList <ExcursionProvider.EDSNode>();
ExcursionProvider.EDSNode ctree = null;
foreach (DataRow paragraphRow in
from DataRow r in ds.Tables["description"].Rows
where r.ReadInt("excurs") == description.excursion.id
select r)
{
int treeId = paragraphRow.ReadInt("tree");
if (ctree == null || ctree.id != treeId)
{
ctree = tree.FirstOrDefault((ExcursionProvider.EDSNode r) => r.id == treeId);
}
if (ctree != null)
{
if (ctree.section.paragraphs == null)
{
ctree.section.paragraphs = new System.Collections.Generic.List <string>();
}
ctree.section.paragraphs.Add(paragraphRow.ReadNullableTrimmedString((!paragraphRow.IsNull("descriptionlang")) ? "descriptionlang" : "description"));
}
}
description.description = new System.Collections.Generic.List <ExcursionDescriptionSection>();
foreach (ExcursionProvider.EDSNode tnode in tree)
{
if (!ExcursionProvider.EDSNode.IsNodeEmpty(tree, tnode))
{
if (!tnode.parentid.HasValue)
{
description.description.Add(tnode.section);
}
else
{
ExcursionProvider.EDSNode pnode = tree.FirstOrDefault((ExcursionProvider.EDSNode r) => r.id == tnode.parentid.Value);
if (pnode != null)
{
if (pnode.section.sections == null)
{
pnode.section.sections = new System.Collections.Generic.List <ExcursionDescriptionSection>();
}
pnode.section.sections.Add(tnode.section);
}
}
}
}
return description;
}).ToList <ExcursionDescription>());
}
public static bool IsNodeEmpty(System.Collections.Generic.List <ExcursionProvider.EDSNode> list, ExcursionProvider.EDSNode node)
{
bool result;
if (node.section.paragraphs != null)
{
result = false;
}
else
{
foreach (ExcursionProvider.EDSNode child in
from row in list
where row.parentid == node.id
select row)
{
if (!ExcursionProvider.EDSNode.IsNodeEmpty(list, child))
{
result = false;
return(result);
}
}
result = true;
}
return(result);
}
