Allow filtering for multiple operationIds

Author: MaggieKimani1

src/Microsoft.OpenApi.Tool/OpenApiService.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System;
 using System.IO;
 using System.Linq;
 using System.Net;
@@ -21,7 +20,7 @@ public static void ProcessOpenApiDocument(
             FileInfo output,
             OpenApiSpecVersion version,
             OpenApiFormat format,
-            string filterbyOperationId,
+            string filterByOperationIds,
             bool inline,
             bool resolveExternal)
         {
@@ -44,9 +43,9 @@ public static void ProcessOpenApiDocument(
             document = result.OpenApiDocument;
 
             // Check if filter options are provided, then execute
-            if (!string.IsNullOrEmpty(filterbyOperationId))
+            if (!string.IsNullOrEmpty(filterByOperationIds))
             {
-                var predicate = OpenApiFilterService.CreatePredicate(filterbyOperationId);
+                var predicate = OpenApiFilterService.CreatePredicate(filterByOperationIds);
                 document = OpenApiFilterService.CreateFilteredDocument(document, predicate);
             }
 

src/Microsoft.OpenApi.Tool/Program.cs

@@ -26,7 +26,7 @@ static async Task<int> Main(string[] args)
                 new Option("--format", "File format",typeof(OpenApiFormat) ),
                 new Option("--inline", "Inline $ref instances", typeof(bool) ),
                 new Option("--resolveExternal","Resolve external $refs", typeof(bool)),
-                new Option("--filterByOperationId", "Filters by OperationId provided", typeof(string))
+                new Option("--filterByOperationIds", "Filters by OperationId provided", typeof(string))
             };
             transformCommand.Handler = CommandHandler.Create<string, FileInfo, OpenApiSpecVersion, OpenApiFormat, string, bool, bool>(
                 OpenApiService.ProcessOpenApiDocument);

src/Microsoft.OpenApi/Services/OpenApiFilterService.cs

@@ -59,7 +59,7 @@ public static OpenApiDocument CreateFilteredDocument(OpenApiDocument source, Fun
             {
                 Info = new OpenApiInfo()
                 {
-                    Title = source.Info.Title,
+                    Title = source.Info.Title + " - subset",
                     Version = source.Info.Version
                 },