Add checks for beam shear

StructureHelperLogics/Models/BeamShears/Logics/CheckStrategies/CheckStirrupsLogic.cs

@@ -0,0 +1,72 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+
+namespace StructureHelperLogics.Models.BeamShears
+{
+    public class CheckStirrupsLogic : ICheckEntityLogic<IStirrup>
+    {
+        private bool result;
+        private string checkResult;
+        private ICheckEntityLogic<IStirrupByDensity> checkDensityLogic;
+        private ICheckEntityLogic<IStirrupByRebar> checkRebarLogic;
+
+        public CheckStirrupsLogic(IShiftTraceLogger? traceLogger)
+        {
+            TraceLogger = traceLogger;
+        }
+
+        public IStirrup Entity { get; set; }
+
+        public string CheckResult => checkResult;
+
+        public IShiftTraceLogger? TraceLogger { get; set; }
+
+        public bool Check()
+        {
+            checkResult = string.Empty;
+            result = true;
+            if (Entity is null)
+            {
+                result = false;
+                string errorString = "\nStirrup is not assigned";
+                TraceMessage(errorString);
+            }
+            else
+            {
+                if (Entity is IStirrupByDensity density)
+                {
+                    checkDensityLogic ??= new CheckStirrupsByDensityLogic(TraceLogger);
+                    checkDensityLogic.Entity = density;
+                    if (checkDensityLogic.Check() == false)
+                    {
+                        result = false;
+                        checkResult += checkDensityLogic.CheckResult;
+                    }
+                }
+                if (Entity is IStirrupByRebar rebar)
+                {
+                    checkRebarLogic ??= new CheckStirrupsByRebarLogic(TraceLogger);
+                    checkRebarLogic.Entity = rebar;
+                    if (checkRebarLogic.Check() == false)
+                    {
+                        result = false;
+                        checkResult += checkRebarLogic.CheckResult;
+                    }
+                }
+                else
+                {
+                    result = false;
+                    string errorString = ErrorStrings.ObjectTypeIsUnknownObj(Entity) + $": name = {Entity.Name}, id = {Entity.Id}";
+                    TraceMessage(errorString);
+                }
+            }
+            return result;
+        }
+        private void TraceMessage(string errorString)
+        {
+            checkResult += errorString;
+            TraceLogger?.AddMessage(errorString, TraceLogStatuses.Error);
+        }
+    }
+}