62 lines
2.0 KiB
C#
62 lines
2.0 KiB
C#
using Robust.Shared.Serialization;
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using Robust.Shared.Serialization.Manager;
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namespace Content.Shared.Alert;
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/// <summary>
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/// Key for an alert which is unique (for equality and hashcode purposes) w.r.t category semantics.
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/// I.e., entirely defined by the category, if a category was specified, otherwise
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/// falls back to the id.
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/// </summary>
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[Serializable, NetSerializable]
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public struct AlertKey :IPopulateDefaultValues
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{
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public AlertType? AlertType { get; private set; }
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public readonly AlertCategory? AlertCategory;
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/// NOTE: if the alert has a category you must pass the category for this to work
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/// properly as a key. I.e. if the alert has a category and you pass only the alert type, and you
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/// compare this to another AlertKey that has both the category and the same alert type, it will not consider them equal.
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public AlertKey(AlertType? alertType, AlertCategory? alertCategory)
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{
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AlertCategory = alertCategory;
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AlertType = alertType;
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}
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public bool Equals(AlertKey other)
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{
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// compare only on alert category if we have one
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if (AlertCategory.HasValue)
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{
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return other.AlertCategory == AlertCategory;
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}
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return AlertType == other.AlertType && AlertCategory == other.AlertCategory;
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}
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public override bool Equals(object? obj)
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{
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return obj is AlertKey other && Equals(other);
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}
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public override int GetHashCode()
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{
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// use only alert category if we have one
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if (AlertCategory.HasValue) return AlertCategory.GetHashCode();
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return AlertType.GetHashCode();
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}
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public void PopulateDefaultValues()
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{
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AlertType = Alert.AlertType.Error;
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}
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/// <param name="category">alert category, must not be null</param>
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/// <returns>An alert key for the provided alert category. This must only be used for
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/// queries and never storage, as it is lacking an alert type.</returns>
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public static AlertKey ForCategory(AlertCategory category)
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{
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return new(null, category);
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}
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}
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