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jellyfin/Jellyfin.Data/Entities/Libraries/MetadataProviderId.cs

84 lines
2.4 KiB

using System;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using Jellyfin.Data.Interfaces;
namespace Jellyfin.Data.Entities.Libraries
{
/// <summary>
/// An entity representing a unique identifier for a metadata provider.
/// </summary>
public class MetadataProviderId : IHasConcurrencyToken
{
/// <summary>
/// Initializes a new instance of the <see cref="MetadataProviderId"/> class.
/// </summary>
/// <param name="providerId">The provider id.</param>
/// <param name="itemMetadata">The metadata entity.</param>
public MetadataProviderId(string providerId, ItemMetadata itemMetadata)
{
if (string.IsNullOrEmpty(providerId))
{
throw new ArgumentNullException(nameof(providerId));
}
ProviderId = providerId;
if (itemMetadata == null)
{
throw new ArgumentNullException(nameof(itemMetadata));
}
itemMetadata.Sources.Add(this);
}
/// <summary>
/// Initializes a new instance of the <see cref="MetadataProviderId"/> class.
/// </summary>
/// <remarks>
/// Default constructor. Protected due to required properties, but present because EF needs it.
/// </remarks>
protected MetadataProviderId()
{
}
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <remarks>
/// Identity, Indexed, Required.
/// </remarks>
[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
public int Id { get; protected set; }
/// <summary>
/// Gets or sets the provider id.
/// </summary>
/// <remarks>
/// Required, Max length = 255.
/// </remarks>
[Required]
[MaxLength(255)]
[StringLength(255)]
public string ProviderId { get; set; }
/// <inheritdoc />
[ConcurrencyCheck]
public uint RowVersion { get; set; }
/// <summary>
/// Gets or sets the metadata provider.
/// </summary>
/// <remarks>
/// Required.
/// </remarks>
public virtual MetadataProvider MetadataProvider { get; set; }
/// <inheritdoc />
public void OnSavingChanges()
{
RowVersion++;
}
}
}