Fix merged column header data format

RhSolutions.AddIn/Services/ExcelReader.cs

@@ -79,7 +79,7 @@ public class ExcelReader : IReader, IDisposable
         return readResult;
     }
 
-    public List<(string, Dictionary<Product, double>)>
+    public IEnumerable<(string, Dictionary<Product, double>)>
         ReadProducts(IEnumerable<Worksheet> worksheets)
     {
         List<(string, Dictionary<Product, double>)> result = new();
@@ -151,10 +151,10 @@ public class ExcelReader : IReader, IDisposable
 
             result.Add((wbName, readResult));
         }
-        return result;
+        return result.OrderBy(x => x.Item1);
     }
 
-    public List<(string, Dictionary<Product, double>)> ReadProducts(string[] files)
+    public IEnumerable<(string, Dictionary<Product, double>)> ReadProducts(string[] files)
     {
         HashSet<string> openedFiles = RhSolutionsAddIn.Excel.Workbooks
             .Cast<Workbook>()

RhSolutions.AddIn/Services/ExcelWriterBase.cs

@@ -70,6 +70,7 @@ namespace RhSolutions.Services
                         .Insert(XlInsertShiftDirection.xlShiftToRight, XlInsertFormatOrigin.xlFormatFromRightOrBelow);
 
                     Range newColumnHeader = _worksheet.Cells[_amountCell.Row, _amountCell.Column - 1];
+                    newColumnHeader.NumberFormat = "@";
                     newColumnHeader.Value2 = $"{product.Item1}";
                     newColumnHeader.WrapText = true;
 

RhSolutions.AddIn/Services/GuessReader.cs

@@ -192,7 +192,7 @@ public class GuessReader : IReader
         return result;
     }
 
-    public List<(string, Dictionary<Product, double>)> ReadProducts(IEnumerable<Worksheet> worksheets)
+    public IEnumerable<(string, Dictionary<Product, double>)> ReadProducts(IEnumerable<Worksheet> worksheets)
     {
         List<(string, Dictionary<Product, double>)> result = new();
         foreach (Worksheet worksheet in worksheets)
@@ -206,7 +206,7 @@ public class GuessReader : IReader
         return result;
     }
 
-    public List<(string, Dictionary<Product, double>)> ReadProducts(string[] files)
+    public IEnumerable<(string, Dictionary<Product, double>)> ReadProducts(string[] files)
     {
         _progressBar = new("Открываю исходные файлы...", files.Length);
         List<Worksheet> worksheets = new();

RhSolutions.AddIn/Services/IReader.cs

@@ -3,7 +3,7 @@
 public interface IReader : IDisposable
 {
     public Dictionary<Product, double> ReadProducts(Range range);
-    public List<(string, Dictionary<Product, double>)> ReadProducts(IEnumerable<Worksheet> worksheets);
-    public List<(string, Dictionary<Product, double>)> ReadProducts(string[] files);
+    public IEnumerable<(string, Dictionary<Product, double>)> ReadProducts(IEnumerable<Worksheet> worksheets);
+    public IEnumerable<(string, Dictionary<Product, double>)> ReadProducts(string[] files);
     new void Dispose();
 }