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72 lines
2.4 KiB
C#
72 lines
2.4 KiB
C#
//-----------------------------------------------------------------------
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// <copyright file="FieldHistory.cs" company="aliasvault">
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// Copyright (c) aliasvault. All rights reserved.
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// Licensed under the AGPLv3 license. See LICENSE.md file in the project root for full license information.
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// </copyright>
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//-----------------------------------------------------------------------
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namespace AliasClientDb;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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using AliasClientDb.Abstracts;
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/// <summary>
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/// FieldHistory entity that stores historical snapshots of field values.
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/// </summary>
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public class FieldHistory : SyncableEntity
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{
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/// <summary>
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/// Gets or sets the field history ID.
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/// </summary>
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[Key]
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public Guid Id { get; set; }
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/// <summary>
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/// Gets or sets the item ID.
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/// </summary>
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[Required]
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public Guid ItemId { get; set; }
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/// <summary>
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/// Gets or sets the item object.
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/// </summary>
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[ForeignKey("ItemId")]
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public virtual Item Item { get; set; } = null!;
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/// <summary>
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/// Gets or sets the field definition ID for custom (user-defined) fields.
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/// NULL for system fields (which use FieldKey instead).
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/// </summary>
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public Guid? FieldDefinitionId { get; set; }
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/// <summary>
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/// Gets or sets the field definition object for custom fields.
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/// NULL for system fields.
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/// </summary>
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[ForeignKey("FieldDefinitionId")]
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public virtual FieldDefinition? FieldDefinition { get; set; }
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/// <summary>
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/// Gets or sets the system field key for predefined fields (e.g., 'login.password').
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/// NULL for custom (user-defined) fields (which use FieldDefinitionId instead).
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/// System field metadata is defined in code (SystemFieldRegistry), not in the database.
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/// Note: Exactly one of FieldKey or FieldDefinitionId must be non-null.
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/// </summary>
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[StringLength(100)]
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public string? FieldKey { get; set; }
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/// <summary>
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/// Gets or sets the value snapshot as JSON (e.g., '["oldpassword"]').
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/// For multi-value fields, this stores an array of values.
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/// </summary>
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[Required]
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public string ValueSnapshot { get; set; } = string.Empty;
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/// <summary>
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/// Gets or sets the timestamp when this value was changed.
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/// </summary>
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[Required]
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public DateTime ChangedAt { get; set; }
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}
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