Add logic for import of combination from xls files

StructureHelperCommon/Models/Forces/Logics/CheckColumnedFilePropertyLogic.cs

@@ -0,0 +1,48 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Models.Forces
+{
+    public class CheckColumnedFilePropertyLogic : ICheckEntityLogic<IColumnedFileProperty>
+    {
+        private string checkResult;
+        private bool result;
+
+        public IColumnedFileProperty Entity { get; set; }
+
+        public string CheckResult => checkResult;
+
+        public IShiftTraceLogger? TraceLogger { get; set; }
+
+        public bool Check()
+        {
+            result = true;
+            int skipRows = Entity.SkipRowBeforeHeaderCount + Entity.SkipRowHeaderCount;
+            if (skipRows < 0)
+            {
+                string errorString = ErrorStrings.DataIsInCorrect + $": skip row count must be greater or equal to 0, bu was {skipRows}";
+                TraceMessage(errorString);
+                return false;
+            }
+            if (File.Exists(Entity.FilePath) == false)
+            {
+                string errorString = ErrorStrings.DataIsInCorrect + $": File {Entity.FilePath} does not exist";
+                TraceMessage(errorString);
+                return false;
+            }
+            return result;
+        }
+
+        private void TraceMessage(string errorString)
+        {
+            checkResult += errorString;
+            TraceLogger?.AddMessage(errorString, TraceLogStatuses.Error);
+        }
+    }
+}