Umbraco-CMS/src/Umbraco.Core/Models/ContentEditing/ContentVariationDisplay.cs

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

namespace Umbraco.Cms.Core.Models.ContentEditing
{
    /// <summary>
    /// Represents the variant info for a content item
    /// </summary>
    [DataContract(Name = "contentVariant", Namespace = "")]
    public class ContentVariantDisplay : ITabbedContent<ContentPropertyDisplay>, IContentProperties<ContentPropertyDisplay>, INotificationModel
    {
        public ContentVariantDisplay()
        {
            Tabs = new List<Tab<ContentPropertyDisplay>>();
            Notifications = new List<BackOfficeNotification>();
        }

        [DataMember(Name = "name", IsRequired = true)]
        public string? Name { get; set; }

        [DataMember(Name = "displayName")]
        public string? DisplayName { get; set; }

        /// <summary>
        /// Defines the tabs containing display properties
        /// </summary>
        [DataMember(Name = "tabs")]
        public IEnumerable<Tab<ContentPropertyDisplay>> Tabs { get; set; }

        /// <summary>
        /// Internal property used for tests to get all properties from all tabs
        /// </summary>
        [IgnoreDataMember]
        IEnumerable<ContentPropertyDisplay> IContentProperties<ContentPropertyDisplay>.Properties => Tabs.Where(x => x.Properties is not null).SelectMany(x => x.Properties!);

        /// <summary>
        /// The language/culture assigned to this content variation
        /// </summary>
        /// <remarks>
        /// If this is null it means this content variant is an invariant culture
        /// </remarks>
        [DataMember(Name = "language")]
        public Language? Language { get; set; }

        [DataMember(Name = "segment")]
        public string? Segment { get; set; }

        [DataMember(Name = "state")]
        public ContentSavedState State { get; set; }

        [DataMember(Name = "updateDate")]
        public DateTime UpdateDate { get; set; }

        [DataMember(Name = "createDate")]
        public DateTime CreateDate { get; set; }

        [DataMember(Name = "publishDate")]
        public DateTime? PublishDate { get; set; }

        /// <summary>
        /// This is used to add custom localized messages/strings to the response for the app to use for localized UI purposes.
        /// </summary>
        /// <remarks>
        /// The notifications assigned to a variant are currently only used to show custom messages in the save/publish dialogs.
        /// </remarks>
        [DataMember(Name = "notifications")]
        [ReadOnly(true)]
        public List<BackOfficeNotification> Notifications { get; private set; }
    }

    public class ContentVariantScheduleDisplay : ContentVariantDisplay
    {
        [DataMember(Name = "releaseDate")]
        public DateTime? ReleaseDate { get; set; }

        [DataMember(Name = "expireDate")]
        public DateTime? ExpireDate { get; set; }
    }
}