Umbraco-CMS/src/Umbraco.Web/Models/ContentEditing/AssignedUserGroupPermissions.cs

using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;

namespace Umbraco.Web.Models.ContentEditing
{
    /// <summary>
    /// The user group permissions assigned to a content node
    /// </summary>
    /// <remarks>
    /// The underlying <see cref="EntityBasic"/> data such as Name, etc... is that of the User Group
    /// </remarks>
    [DataContract(Name = "userGroupPermissions", Namespace = "")]
    public class AssignedUserGroupPermissions : EntityBasic
    {
        /// <summary>
        /// The assigned permissions for the user group organized by permission group name
        /// </summary>
        [DataMember(Name = "permissions")]
        public IDictionary<string, IEnumerable<Permission>> AssignedPermissions { get; set; }

        /// <summary>
        /// The default permissions for the user group organized by permission group name
        /// </summary>
        [DataMember(Name = "defaultPermissions")]
        public IDictionary<string, IEnumerable<Permission>> DefaultPermissions { get; set; }

        public static IDictionary<string, IEnumerable<Permission>> ClonePermissions(IDictionary<string, IEnumerable<Permission>> permissions)
        {
            var result = new Dictionary<string, IEnumerable<Permission>>();
            foreach (var permission in permissions)
            {
                result[permission.Key] = new List<Permission>(permission.Value.Select(x => (Permission)x.Clone()));
            }
            return result;
        }
    }
}