C#, Silverlight/Telerik: RiaOperationForAdminUomDepartments

RiaOperationForAdminUomDepartments.cs

class Sample
{
    #region AdminUomDepartments:
    
    void DoRiaOperationForAdminUomDepartments(ReadOnlyCollection<Entity> added,
        ReadOnlyCollection<Entity> modified, ReadOnlyCollection<Entity> removed)
    {
        if (added.OfType<UOM>().Count() > 0)
        {
            this.DoRiaOperationForAdminUomDepartmentsAdded(added.OfType<UOM>());
        }
    
        if (modified.OfType<UOM>().Count() > 0)
        {
            this.DoRiaOperationForAdminUomDepartmentsModified(modified.OfType<UOM>());
        }
    
        if (removed.OfType<UOM>().Count() > 0)
        {
            this.DoRiaOperationForAdminUomDepartmentsRemoved(removed.OfType<UOM>());
        }
    }
    
    void DoRiaOperationForAdminUomDepartmentsAdded(IEnumerable<UOM> data)
    {
        if (!this._adminUoMDepartments.ContainsKey(0)) return;
    
        var entityAdded = data.First().ToMenuItemDatum();
        var departments = this._adminUoMDepartments[0]
            .OfType<MenuItemDatum>()
            .Select(i => i.GetDeepCopy()).ToArray();
    
        entityAdded.ChildItems = departments;
    
        this.DoRiaOperationForManyToManyRelations("UoM", new MenuItemDatum[] { entityAdded });
    
        this._adminUoMDepartments.Add(entityAdded.Id, this._adminUoMDepartments[0]);
        this._adminUoMDepartments.Remove(0);
    }
    
    void DoRiaOperationForAdminUomDepartmentsModified(IEnumerable<UOM> data)
    {
        var list = data.Select(i =>
        {
            var m = i.ToMenuItemDatum();
            var departments = this._adminUoMDepartments[m.Id];
            m.ChildItems = departments.OfType<MenuItemDatum>().ToArray();
            return m;
        }).ToList();
    
        this.DoRiaOperationForManyToManyRelations("UoM", list);
    }
    
    void DoRiaOperationForAdminUomDepartmentsRemoved(IEnumerable<UOM> data)
    {
        var list = data.Select(i => i.ToMenuItemDatum()).ToList();
        this.DoRiaOperationForManyToManyRelations("UoM", list);
    }
    
    #endregion
}