jellyfin/Jellyfin.Data/Entities/Group.cs
2020-05-30 21:53:56 -04:00

123 lines
3.6 KiB
C#

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using Jellyfin.Data.Enums;
namespace Jellyfin.Data.Entities
{
/// <summary>
/// An entity representing a group.
/// </summary>
public partial class Group : IHasPermissions, ISavingChanges
{
/// <summary>
/// Initializes a new instance of the <see cref="Group"/> class.
/// Public constructor with required data.
/// </summary>
/// <param name="name">The name of the group.</param>
public Group(string name)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentNullException(nameof(name));
}
Name = name;
Id = Guid.NewGuid();
Permissions = new HashSet<Permission>();
ProviderMappings = new HashSet<ProviderMapping>();
Preferences = new HashSet<Preference>();
Init();
}
/// <summary>
/// Initializes a new instance of the <see cref="Group"/> class.
/// Default constructor. Protected due to required properties, but present because EF needs it.
/// </summary>
protected Group()
{
Init();
}
/*************************************************************************
* Properties
*************************************************************************/
/// <summary>
/// Gets or sets the id of this group.
/// </summary>
/// <remarks>
/// Identity, Indexed, Required.
/// </remarks>
[Key]
[Required]
public Guid Id { get; protected set; }
/// <summary>
/// Gets or sets the group's name.
/// </summary>
/// <remarks>
/// Required, Max length = 255.
/// </remarks>
[Required]
[MaxLength(255)]
[StringLength(255)]
public string Name { get; set; }
/// <summary>
/// Gets or sets the row version.
/// </summary>
/// <remarks>
/// Required, Concurrency Token.
/// </remarks>
[ConcurrencyCheck]
[Required]
public uint RowVersion { get; set; }
public void OnSavingChanges()
{
RowVersion++;
}
/*************************************************************************
* Navigation properties
*************************************************************************/
[ForeignKey("Permission_GroupPermissions_Id")]
public virtual ICollection<Permission> Permissions { get; protected set; }
[ForeignKey("ProviderMapping_ProviderMappings_Id")]
public virtual ICollection<ProviderMapping> ProviderMappings { get; protected set; }
[ForeignKey("Preference_Preferences_Id")]
public virtual ICollection<Preference> Preferences { get; protected set; }
/// <summary>
/// Static create function (for use in LINQ queries, etc.)
/// </summary>
/// <param name="name">The name of this group</param>
public static Group Create(string name)
{
return new Group(name);
}
/// <inheritdoc/>
public bool HasPermission(PermissionKind kind)
{
return Permissions.First(p => p.Kind == kind).Value;
}
/// <inheritdoc/>
public void SetPermission(PermissionKind kind, bool value)
{
Permissions.First(p => p.Kind == kind).Value = value;
}
partial void Init();
}
}