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Mapster.Tool: Member mapping is not generated when ShallowCopyForSameType and UseDestinationValue is used #600

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rafalka opened this issue Jun 27, 2023 · 0 comments · Fixed by #601

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@rafalka
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rafalka commented Jun 27, 2023

Mapster.Tool does not generate member mapping when ShallowCopyForSameType and UseDestinationValue is used and source and destination member type is same.
Example:
Declaration:

public class Src
{
    public IList<string> ListWithGetOnly { get; } = new List<string>();
    public List<string> SameTypeList { get; } = new();
}

public class Dst
{
    public List<string> ListWithGetOnly { get; } = new List<string>();
    public List<string> SameTypeList { get; } = new List<string>();
}

Mapper configuration:

      .ShallowCopyForSameType(true)
      .UseDestinationValue(member => member.SetterModifier == AccessModifier.None &&
                                     member.Type.IsGenericType &&
                                     IsAssignableToGeneric(member.Type, typeof(ICollection<>)))

What gets generated:

        public static MapLib.MapTest.Dst AdaptToDst(this MapLib.MapTest.Src p1)
        {
            if (p1 == null)
            {
                return null;
            }
            MapLib.MapTest.Dst result = new MapLib.MapTest.Dst();
            
            funcMain1(p1.ListWithGetOnly, result.ListWithGetOnly);
            return result;
            
        }
        
        private static System.Collections.Generic.List<string> funcMain1(System.Collections.Generic.IList<string> p2, System.Collections.Generic.List<string> p3)
        {
        ...
        }        
 

Sample project:
MapsterBug-UseDestinationValue.zip

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