From 16d623ed1a62ef41873e1916e3d38784c041e3b6 Mon Sep 17 00:00:00 2001
From: Wes <wesbillman@users.noreply.github.com>
Date: Thu, 15 Feb 2024 17:01:49 -0700
Subject: [PATCH] fix: only extract the field_name from `json:"field_name"`
 (#945)

---
 go-runtime/compile/schema.go                | 10 +++++++++-
 integration/testdata/go/httpingress/echo.go |  4 ++--
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/go-runtime/compile/schema.go b/go-runtime/compile/schema.go
index c982789afd..6c88f8f896 100644
--- a/go-runtime/compile/schema.go
+++ b/go-runtime/compile/schema.go
@@ -417,11 +417,19 @@ func visitStruct(pctx *parseContext, node ast.Node, tnode types.Type) (*schema.D
 			return nil, fmt.Errorf("field %s: %w", f.Name(), err)
 		}
 
+		// Extract the JSON tag and split it to get just the field name
+		tagContent := reflect.StructTag(s.Tag(i)).Get(aliasFieldTag)
+		tagParts := strings.Split(tagContent, ",")
+		jsonFieldName := ""
+		if len(tagParts) > 0 {
+			jsonFieldName = tagParts[0]
+		}
+
 		out.Fields = append(out.Fields, &schema.Field{
 			Pos:       goPosToSchemaPos(node.Pos()),
 			Name:      strcase.ToLowerCamel(f.Name()),
 			Type:      ft,
-			JSONAlias: reflect.StructTag(s.Tag(i)).Get(aliasFieldTag),
+			JSONAlias: jsonFieldName,
 		})
 	}
 	pctx.module.AddData(out)
diff --git a/integration/testdata/go/httpingress/echo.go b/integration/testdata/go/httpingress/echo.go
index 6650dbafeb..96d028f3c9 100644
--- a/integration/testdata/go/httpingress/echo.go
+++ b/integration/testdata/go/httpingress/echo.go
@@ -11,8 +11,8 @@ import (
 )
 
 type GetRequest struct {
-	UserID string `json:"userId"`
-	PostID string `json:"postId"`
+	UserID string `json:"userId,omitempty"`
+	PostID string `json:"postId,something,else"`
 }
 
 type Nested struct {