Refactor

SolutionParityChecker/SolutionParityChecker.cs

@@ -0,0 +1,50 @@
+using Microsoft.Build.Construction;
+
+namespace SolutionParityChecker;
+
+public static class SolutionParityChecker
+{
+    public static void CompareSolutionAndCSharpProjects(
+        string solutionFolderPath,
+        string solutionFilePath
+    ) { }
+
+    public static string[] RetrieveAllCSharpProjectNamesFromFolder(string solutionFolderPath)
+    {
+        var csprojList = Directory.GetFiles(
+            solutionFolderPath,
+            "*.csproj",
+            SearchOption.AllDirectories
+        );
+        csprojList = csprojList.Select(x => x.Replace(solutionFolderPath, "")).ToArray();
+        return csprojList;
+    }
+
+    public static SolutionFile? ParseSolutionFileFromPath(string solutionFilePath)
+    {
+        var solutionFile = SolutionFile.Parse(solutionFilePath);
+
+        return solutionFile;
+    }
+
+    public static List<string> FindProjectsMissingFromSolution(
+        string[] csprojList,
+        SolutionFile solutionFile
+    )
+    {
+        var projects = solutionFile.ProjectsInOrder;
+        var projectsMissingFromSolution = new List<string>();
+
+        foreach (var project in csprojList)
+        {
+            var projectInSolution = projects.FirstOrDefault(x => x.RelativePath == project);
+
+            if (projectInSolution == null)
+            {
+                projectsMissingFromSolution.Add(project);
+            }
+        }
+
+        return projectsMissingFromSolution;
+    }
+}