/// <summary>
/// Adding new attributes into database.
/// </summary>
/// <param name="newAttributes">New attribute entity.</param>
/// <returns>ID for created attribute.</returns>
public int AddAttribute(AdditionalAttribute newAttributes)
{
using (PhotoCollectionDatabaseEntities context = new PhotoCollectionDatabaseEntities(_connectionString))
{
newAttributes.ID = context.AdditionalAttributes.NextId(p => p.ID);
context.AdditionalAttributes.AddObject(newAttributes);
context.SaveChanges();
return newAttributes.ID;
}
}
private void FixupAdditionalAttribute(AdditionalAttribute previousValue, bool skipKeys = false)
{
if (IsDeserializing)
{
return;
}
if (previousValue != null && previousValue.Attributes.Contains(this))
{
previousValue.Attributes.Remove(this);
}
if (AdditionalAttribute != null)
{
if (!AdditionalAttribute.Attributes.Contains(this))
{
AdditionalAttribute.Attributes.Add(this);
}
AdditionalAttributesID = AdditionalAttribute.ID;
}
else if (!skipKeys)
{
AdditionalAttributesID = null;
}
if (ChangeTracker.ChangeTrackingEnabled)
{
if (ChangeTracker.OriginalValues.ContainsKey("AdditionalAttribute") &&
(ChangeTracker.OriginalValues["AdditionalAttribute"] == AdditionalAttribute))
{
ChangeTracker.OriginalValues.Remove("AdditionalAttribute");
}
else
{
ChangeTracker.RecordOriginalValue("AdditionalAttribute", previousValue);
}
if (AdditionalAttribute != null && !AdditionalAttribute.ChangeTracker.ChangeTrackingEnabled)
{
AdditionalAttribute.StartTracking();
}
}
}
private void FixupAdditionalAttribute(AdditionalAttribute previousValue, bool skipKeys = false)
{
if (IsDeserializing)
{
return;
}
if (previousValue != null && previousValue.Attributes.Contains(this))
{
previousValue.Attributes.Remove(this);
}
if (AdditionalAttribute != null)
{
if (!AdditionalAttribute.Attributes.Contains(this))
{
AdditionalAttribute.Attributes.Add(this);
}
AdditionalAttributesID = AdditionalAttribute.ID;
}
else if (!skipKeys)
{
AdditionalAttributesID = null;
}
if (ChangeTracker.ChangeTrackingEnabled)
{
if (ChangeTracker.OriginalValues.ContainsKey("AdditionalAttribute")
&& (ChangeTracker.OriginalValues["AdditionalAttribute"] == AdditionalAttribute))
{
ChangeTracker.OriginalValues.Remove("AdditionalAttribute");
}
else
{
ChangeTracker.RecordOriginalValue("AdditionalAttribute", previousValue);
}
if (AdditionalAttribute != null && !AdditionalAttribute.ChangeTracker.ChangeTrackingEnabled)
{
AdditionalAttribute.StartTracking();
}
}
}