eisk.webapi

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using Eisk.Core.Exceptions;
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using System;
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using System.Linq.Expressions;
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using System.Reflection;
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namespace Eisk.Core.Utils;
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public static class ExpressionUtil<TDomain>
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{
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    public static object GetPropertyValue<TField>(Expression<Func<TDomain, TField>> expression, TDomain data)
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    {
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        if (data == null)
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            throw new NullInputEntityException<TDomain>();
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        var prop = GetPropertyInfo(expression);
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        var value = prop.GetValue(data);
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        return value;
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    }
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    public static void SetPropertyValue<TField>(Expression<Func<TDomain, TField>> expression, TDomain data, object value)
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    {
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        if (data == null)
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            throw new NullInputEntityException<TDomain>();
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        var prop = GetPropertyInfo(expression);
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        prop.SetValue(data, value);
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    }
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    public static PropertyInfo GetPropertyInfo<TField>(Expression<Func<TDomain, TField>> expression)
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    {
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        var expr = (MemberExpression)expression.Body;
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        return (PropertyInfo)expr.Member;
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    }
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}
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