79 lines
2.2 KiB
C#
79 lines
2.2 KiB
C#
using System;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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using Jellyfin.Data.Interfaces;
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namespace Jellyfin.Data.Entities.Libraries
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{
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/// <summary>
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/// An entity representing a rating for an entity.
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/// </summary>
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public class Rating : IHasConcurrencyToken
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="Rating"/> class.
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/// </summary>
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/// <param name="value">The value.</param>
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/// <param name="itemMetadata">The metadata.</param>
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public Rating(double value, ItemMetadata itemMetadata)
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{
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Value = value;
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if (itemMetadata == null)
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{
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throw new ArgumentNullException(nameof(itemMetadata));
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}
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itemMetadata.Ratings.Add(this);
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="Rating"/> class.
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/// </summary>
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/// <remarks>
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/// Default constructor. Protected due to required properties, but present because EF needs it.
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/// </remarks>
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protected Rating()
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{
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}
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/// <summary>
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/// Gets or sets the id.
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/// </summary>
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/// <remarks>
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/// Identity, Indexed, Required.
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/// </remarks>
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[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
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public int Id { get; protected set; }
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/// <summary>
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/// Gets or sets the value.
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/// </summary>
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/// <remarks>
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/// Required.
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/// </remarks>
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public double Value { get; set; }
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/// <summary>
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/// Gets or sets the number of votes.
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/// </summary>
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public int? Votes { get; set; }
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/// <inheritdoc />
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[ConcurrencyCheck]
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public uint RowVersion { get; set; }
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/// <summary>
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/// Gets or sets the rating type.
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/// If this is <c>null</c> it's the internal user rating.
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/// </summary>
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public virtual RatingSource RatingType { get; set; }
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/// <inheritdoc />
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public void OnSavingChanges()
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{
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RowVersion++;
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}
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}
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}
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