72 lines
2.4 KiB
C#
72 lines
2.4 KiB
C#
using System;
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using System.Reflection;
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namespace Jellyfin.Api.Helpers
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{
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/// <summary>
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/// A static class for copying matching properties from one object to another.
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/// TODO: remove at the point when a fixed migration path has been decided upon.
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/// </summary>
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public static class ClassMigrationHelper
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{
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/// <summary>
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/// Extension for 'Object' that copies the properties to a destination object.
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/// </summary>
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/// <param name="source">The source.</param>
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/// <param name="destination">The destination.</param>
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public static void CopyProperties(this object source, object destination)
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{
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// If any this null throw an exception.
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if (source == null || destination == null)
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{
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throw new ArgumentException("Source or/and Destination Objects are null");
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}
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// Getting the Types of the objects.
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Type typeDest = destination.GetType();
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Type typeSrc = source.GetType();
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// Iterate the Properties of the source instance and populate them from their destination counterparts.
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PropertyInfo[] srcProps = typeSrc.GetProperties();
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foreach (PropertyInfo srcProp in srcProps)
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{
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if (!srcProp.CanRead)
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{
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continue;
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}
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var targetProperty = typeDest.GetProperty(srcProp.Name);
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if (targetProperty == null)
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{
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continue;
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}
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if (!targetProperty.CanWrite)
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{
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continue;
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}
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var obj = targetProperty.GetSetMethod(true);
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if (obj != null && obj.IsPrivate)
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{
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continue;
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}
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var target = targetProperty.GetSetMethod();
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if (target != null && (target.Attributes & MethodAttributes.Static) != 0)
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{
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continue;
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}
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if (!targetProperty.PropertyType.IsAssignableFrom(srcProp.PropertyType))
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{
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continue;
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}
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// Passed all tests, lets set the value.
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targetProperty.SetValue(destination, srcProp.GetValue(source, null), null);
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}
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}
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}
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}
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