protected override object DoDeserializeValue(XmlReader reader, bool isSimpleValue)
{
ICollection <RelationshipItem> result = new List <RelationshipItem>();
if (SoapHelper.ReadEmptyStartElement(reader)) // Read start of enclosing element
{
return(result);
}
while (reader.NodeType != XmlNodeType.EndElement)
{
result.Add(RelationshipItem.Deserialize(reader));
}
reader.ReadEndElement(); // End of enclosing element
return(result);
}
public void DeleteRelationshipsThatOnlyExistInOther(ItemDocument other)
{
var relatedIds = RelatedIds();
var nonexistingItemsInThisDocument = other.RelatedItems
.Select(x => new Tuple <string, string>(x.GetAttribute("type"), x.GetAttribute("id")))
.Where(t => !relatedIds.ContainsKey(t.Item1) || !relatedIds[t.Item1].Contains(t.Item2));
foreach (var item in nonexistingItemsInThisDocument)
{
RelationshipItem.Add(new XElement("Item",
new XAttribute("type", item.Item1),
new XAttribute("id", item.Item2),
new XAttribute("action", "delete")
));
}
}
public void TestRelationshipSerialization()
{
IDictionary <Guid, IList <MediaItemAspect> > aspects1 = new Dictionary <Guid, IList <MediaItemAspect> >();
Guid trackId = new Guid("11111111-aaaa-aaaa-aaaa-100000000000");
Guid albumId = new Guid("11111111-aaaa-aaaa-aaaa-100000000001");
Guid artistId = new Guid("11111111-aaaa-aaaa-aaaa-100000000002");
Guid trackRelationship = new Guid("22222222-bbbb-bbbb-bbbb-200000000001");
Guid albumRelationship = new Guid("33333333-cccc-cccc-cccc-300000000001");
Guid artistRelationship = new Guid("44444444-dddd-dddd-dddd-400000000001");
MediaItemAspect.AddOrUpdateRelationship(aspects1, trackRelationship, albumRelationship, albumId, true, 1);
MediaItemAspect.AddOrUpdateRelationship(aspects1, trackRelationship, artistRelationship, artistId, false, 0);
MultipleMediaItemAspect resourceAspect1 = new MultipleMediaItemAspect(ProviderResourceAspect.Metadata);
resourceAspect1.Deleted = true;
resourceAspect1.SetAttribute(ProviderResourceAspect.ATTR_RESOURCE_ACCESSOR_PATH, "c:\\file.mp3");
MediaItemAspect.AddOrUpdateAspect(aspects1, resourceAspect1);
Guid role1 = new Guid("55555555-eeee-eeee-eeee-500000000001");
Guid linkedRole1 = new Guid("66666666-ffff-ffff-ffff-600000000001");
RelationshipItem relationship1 = new RelationshipItem(role1, linkedRole1, aspects1);
TextWriter writer = new StringWriter();
XmlWriter serialiser = new XmlTextWriter(writer);
serialiser.WriteStartElement("Test"); // Wrapper around the relationships
// Write the relationship twice
relationship1.Serialize(serialiser);
relationship1.Serialize(serialiser);
serialiser.WriteEndElement();
XmlReader reader = XmlReader.Create(new StringReader(writer.ToString()));
reader.Read(); // Test
// Read the relationship once
reader.Read(); // RI
RelationshipItem relationship2 = RelationshipItem.Deserialize(reader);
Assert.AreEqual(relationship2.Role, role1, "Role");
Assert.AreEqual(relationship2.LinkedRole, linkedRole1, "Linked role");
IList <MultipleMediaItemAspect> resourceAspect2;
Assert.IsTrue(MediaItemAspect.TryGetAspects(relationship2.Aspects, ProviderResourceAspect.Metadata, out resourceAspect2), "Resource aspects");
Assert.AreEqual(true, resourceAspect2[0].Deleted, "Track deleted status");
Assert.AreEqual("c:\\file.mp3", resourceAspect2[0].GetAttributeValue <string>(ProviderResourceAspect.ATTR_RESOURCE_ACCESSOR_PATH), "Track location");
IList <MediaItemAspect> relationships2 = relationship2.Aspects[RelationshipAspect.ASPECT_ID];
Assert.IsTrue(relationship2.Aspects[RelationshipAspect.ASPECT_ID] != null, "Relationship aspects");
Assert.AreEqual(relationships2.Count, 2, "Track relationship count");
Assert.AreEqual(trackRelationship, relationships2[0].GetAttributeValue(RelationshipAspect.ATTR_ROLE), "Track -> album item type");
Assert.AreEqual(albumRelationship, relationships2[0].GetAttributeValue(RelationshipAspect.ATTR_LINKED_ROLE), "Track -> album relationship type");
Assert.AreEqual(albumId, relationships2[0].GetAttributeValue(RelationshipAspect.ATTR_LINKED_ID), "Track -> album relationship ID");
Assert.AreEqual(trackRelationship, relationships2[1].GetAttributeValue(RelationshipAspect.ATTR_ROLE), "Track -> album item type");
Assert.AreEqual(artistRelationship, relationships2[1].GetAttributeValue(RelationshipAspect.ATTR_LINKED_ROLE), "Track -> album relationship type");
Assert.AreEqual(artistId, relationships2[1].GetAttributeValue(RelationshipAspect.ATTR_LINKED_ID), "Track -> album relationship ID");
// Read the relationship a second time
RelationshipItem relationship3 = RelationshipItem.Deserialize(reader);
Assert.AreEqual(relationship3.Role, relationship2.Role, "Role");
Assert.AreEqual(relationship3.LinkedRole, relationship2.LinkedRole, "Linked role");
IList <MultipleMediaItemAspect> resourceAspect3;
Assert.IsTrue(MediaItemAspect.TryGetAspects(relationship3.Aspects, ProviderResourceAspect.Metadata, out resourceAspect3), "Resource aspects");
Assert.AreEqual("c:\\file.mp3", resourceAspect3[0].GetAttributeValue <string>(ProviderResourceAspect.ATTR_RESOURCE_ACCESSOR_PATH), "Track location");
IList <MediaItemAspect> relationships3 = relationship3.Aspects[RelationshipAspect.ASPECT_ID];
Assert.IsTrue(relationship3.Aspects[RelationshipAspect.ASPECT_ID] != null, "Relationship aspects");
Assert.AreEqual(2, relationships3.Count, "Track relationship count");
Assert.AreEqual(trackRelationship, relationships3[0].GetAttributeValue(RelationshipAspect.ATTR_ROLE), "Track -> album item type");
Assert.AreEqual(albumRelationship, relationships3[0].GetAttributeValue(RelationshipAspect.ATTR_LINKED_ROLE), "Track -> album relationship type");
Assert.AreEqual(albumId, relationships3[0].GetAttributeValue(RelationshipAspect.ATTR_LINKED_ID), "Track -> album relationship ID");
Assert.AreEqual(trackRelationship, relationships3[1].GetAttributeValue(RelationshipAspect.ATTR_ROLE), "Track -> album item type");
Assert.AreEqual(artistRelationship, relationships3[1].GetAttributeValue(RelationshipAspect.ATTR_LINKED_ROLE), "Track -> album relationship type");
Assert.AreEqual(artistId, relationships3[1].GetAttributeValue(RelationshipAspect.ATTR_LINKED_ID), "Track -> album relationship ID");
reader.Read(); // Test
}
