Moved System.IO references from DMO classes to Static Helpers

Removed nugetSource from pipeline
Removed more comments
Created Static Classes for most DMO / Controller Classes
Push ConfigurationManager.AppSettings to controller
Align Tests with other Projects

Fab2ApprovalSystem/Misc/ChangeControlHelper.cs

@@ -0,0 +1,96 @@
+using System;
+using System.IO;
+
+using Fab2ApprovalSystem.DMO;
+using Fab2ApprovalSystem.Models;
+
+namespace Fab2ApprovalSystem.Misc;
+
+public class ChangeControlHelper {
+
+    public static void AttachSaveCC(AppSettings appSettings, ChangeControlDMO changeControlDMO, int planNumber, int attachID, int userId, string fullFileName, Stream stream) {
+        // Some browsers send file names with full path.
+        // We are only interested in the file name.
+
+        var fileName = Path.GetFileName(fullFileName);
+        var fileExtension = Path.GetExtension(fullFileName);
+        DirectoryInfo di;
+        var ccPhysicalPath = appSettings.AttachmentFolder + @"ChangeControl\" + planNumber;
+        di = new DirectoryInfo(ccPhysicalPath);
+        if (!di.Exists)
+            di.Create();
+
+        var guid = Guid.NewGuid().ToString();
+        var physicalPath = Path.Combine(appSettings.AttachmentFolder + @"ChangeControl\" + planNumber + @"\", guid + fileExtension);
+
+        using (FileStream fileStream = new(physicalPath, FileMode.Create, FileAccess.Write)) {
+            stream.CopyTo(fileStream);
+        }
+        CCAttachment attach = new() {
+            ID = attachID,
+            FileGUID = guid,
+            FileName = fileName,
+            UploadedByID = userId
+        };
+
+        changeControlDMO.UpdateCCAttachmentDocument(attach);
+    }
+
+    public static void AttachSaveMeeting(AppSettings appSettings, ChangeControlDMO changeControlDMO, int planNumber, int attachID, int userId, string fullFileName, Stream stream) {
+        // Some browsers send file names with full path.
+        // We are only interested in the file name.
+
+        var fileName = Path.GetFileName(fullFileName);
+        var fileExtension = Path.GetExtension(fullFileName);
+        DirectoryInfo di;
+        var ccPhysicalPath = appSettings.AttachmentFolder + @"ChangeControl\" + planNumber;
+        di = new DirectoryInfo(ccPhysicalPath);
+        if (!di.Exists)
+            di.Create();
+
+        var guid = Guid.NewGuid().ToString();
+        var physicalPath = Path.Combine(appSettings.AttachmentFolder + @"ChangeControl\" + planNumber + @"\", guid + fileExtension);
+
+        using (FileStream fileStream = new(physicalPath, FileMode.Create, FileAccess.Write)) {
+            stream.CopyTo(fileStream);
+        }
+        CCMeetingAttachment attach = new() {
+            ID = attachID,
+            FileGUID = guid,
+            FileName = fileName,
+            UploadedByID = userId
+        };
+
+        changeControlDMO.UpdateMeetingAttachmentDocument(attach);
+    }
+
+    public static void AttachSaveActionItem(AppSettings appSettings, ChangeControlDMO changeControlDMO, int planNumber, int attachID, int userId, string fullFileName, Stream stream) {
+        // Some browsers send file names with full path.
+        // We are only interested in the file name.
+
+        var fileName = Path.GetFileName(fullFileName);
+        var fileExtension = Path.GetExtension(fullFileName);
+        DirectoryInfo di;
+        var ccPhysicalPath = appSettings.AttachmentFolder + @"ChangeControl\" + planNumber;
+        di = new DirectoryInfo(ccPhysicalPath);
+        if (!di.Exists)
+            di.Create();
+
+        var guid = Guid.NewGuid().ToString();
+        var physicalPath = Path.Combine(appSettings.AttachmentFolder + @"ChangeControl\" + planNumber + @"\", guid + fileExtension);
+
+        using (FileStream fileStream = new(physicalPath, FileMode.Create, FileAccess.Write)) {
+            stream.CopyTo(fileStream);
+        }
+        CCMeetingActionItemAll attach = new() {
+            ID = attachID,
+            FileGUID = guid,
+            FileName = fileName,
+            UploadedByID = userId
+
+        };
+
+        changeControlDMO.UpdateActionItemAttachment(attach);
+    }
+
+}