添加完整项目文件

包含Go API项目的所有源代码、配置文件、Docker配置、文档和前端资源

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

relay/channel/vertex/relay-vertex.go

@@ -0,0 +1,19 @@
+package vertex
+
+import "one-api/common"
+
+func GetModelRegion(other string, localModelName string) string {
+	// if other is json string
+	if common.IsJsonObject(other) {
+		m, err := common.StrToMap(other)
+		if err != nil {
+			return other // return original if parsing fails
+		}
+		if m[localModelName] != nil {
+			return m[localModelName].(string)
+		} else {
+			return m["default"].(string)
+		}
+	}
+	return other
+}