First Initial

Common/SwaggerFileUploadOperation.cs

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+using Swashbuckle.AspNetCore.Swagger;
+using Swashbuckle.AspNetCore.SwaggerGen;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace TTSW.Common
+{
+    public class SwaggerFileUploadOperation : IOperationFilter
+    {
+        // Add options for web api needed upload file controls
+        // http://www.talkingdotnet.com/how-to-upload-file-via-swagger-in-asp-net-core-web-api/
+
+        public void Apply(Operation operation, OperationFilterContext context)
+        {
+            // Map to HttpPost api/Attachment/UploadMultipleFiles
+            if (operation.OperationId.ToLower() == "upload" && operation.Tags[0].ToLower() == "attach_file")
+            {
+                operation.Parameters.Clear();
+                operation.Parameters.Add(new NonBodyParameter
+                {
+                    Name = "file",
+                    In = "formData",
+                    Description = "Upload File",
+                    Required = true,
+                    Type = "file"
+                });
+            operation.Consumes.Add("multipart/form-data");
+            }
+        }
+    }
+}