Able to read formula

ExcelORM/ExcelORM/ExcelORM.csproj

@@ -4,7 +4,7 @@
         <TargetFramework>net7.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
-        <Version>2.1.0</Version>
+        <Version>2.2.0</Version>
         <PackageProjectUrl>https://git.liox.eu/pczajkowski/ExcelORM</PackageProjectUrl>
         <RepositoryUrl>https://github.com/pczajkowski/ExcelORM</RepositoryUrl>
         <GeneratePackageOnBuild>true</GeneratePackageOnBuild>

ExcelORM/ExcelORM/ExcelReader.cs

@@ -32,7 +32,23 @@ public class ExcelReader
                 var property = type.GetProperty(item.PropertyName);
                 if (property == null) continue;
 
-                current.SetPropertyValue(property, cell.Value);
+                switch (property.PropertyType)
+                {
+                    case Type formulaType when formulaType == typeof(Formula):
+                        var formula = new Formula
+                        {
+                            FormulaA1 = cell.FormulaA1
+                        };
+
+                        var valueProperty = formulaType.GetProperty(nameof(formula.Value));
+                        if (valueProperty == null) continue;
+                        formula.SetPropertyValue(valueProperty, cell.Value);
+                        property.SetValue(current, formula);
+                        break;
+                    default:
+                        current.SetPropertyValue(property, cell.Value);
+                        break;
+                }
             }
 
             yield return current;

ExcelORM/ExcelORM/Models/Formula.cs

@@ -0,0 +1,8 @@
+namespace ExcelORM.Models
+{
+    public class Formula
+    {
+        public object? Value { get; set; }
+        public string? FormulaA1 { get; set; }
+    }
+}

ExcelORM/ExcelORMTests/ExcelORMTests.csproj

@@ -48,6 +48,9 @@
       <None Update="testFiles\differentTypes.xlsx">
         <CopyToOutputDirectory>Always</CopyToOutputDirectory>
       </None>
+      <None Update="testFiles\withFormula.xlsx">
+        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      </None>
     </ItemGroup>
 
     <ItemGroup>

ExcelORM/ExcelORMTests/ReaderTests.cs

@@ -10,6 +10,7 @@ public class ReaderTests
     private const string DifficultFile = "testFiles/columnsOnTheLeftHeaderNotFirstRow.xlsx";
     private const string MultipleSheetsFile = "testFiles/multipleSheets.xlsx";
     private const string DifferentTypesFile = "testFiles/differentTypes.xlsx";
+    private const string WithFormulaFile = "testFiles/withFormula.xlsx";
     
     [Fact]
     public void Read()
@@ -100,4 +101,12 @@ public class ReaderTests
         Assert.All(results, x => Assert.Null(x.Date));
         Assert.NotNull(results.FirstOrDefault(x => x.Int != null));
     }
+
+    [Fact]
+    public void ReadWithFormula()
+    {
+        var reader = new ExcelReader(WithFormulaFile);
+        var results = reader.Read<TestWithFormula>().ToArray();
+        Assert.NotEmpty(results);
+    }
 }

ExcelORM/ExcelORMTests/TestWithFormula.cs

@@ -0,0 +1,11 @@
+using ExcelORM.Attributes;
+using ExcelORM.Models;
+
+namespace ExcelORMTests
+{
+    public record TestWithFormula : Test
+    {
+        [Column("Full name")]
+        public Formula? FullName { get; set; }
+    }
+}