feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

backend/api/handler/coze/bot_open_api_service.go

@@ -0,0 +1,59 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Code generated by hertz generator.
+
+package coze
+
+import (
+	"context"
+
+	"github.com/cloudwego/hertz/pkg/app"
+	"github.com/cloudwego/hertz/pkg/protocol/consts"
+
+	"github.com/coze-dev/coze-studio/backend/application/plugin"
+
+	bot_open_api "github.com/coze-dev/coze-studio/backend/api/model/ocean/cloud/bot_open_api"
+)
+
+// OauthAuthorizationCode .
+// @router /api/oauth/authorization_code [GET]
+func OauthAuthorizationCode(ctx context.Context, c *app.RequestContext) {
+	var err error
+	var req bot_open_api.OauthAuthorizationCodeReq
+	err = c.BindAndValidate(&req)
+	if err != nil {
+		invalidParamRequestResponse(c, err.Error())
+		return
+	}
+
+	if req.Code == "" {
+		invalidParamRequestResponse(c, "code is required")
+		return
+	}
+	if req.State == "" {
+		invalidParamRequestResponse(c, "state is required")
+		return
+	}
+
+	resp, err := plugin.PluginApplicationSVC.OauthAuthorizationCode(ctx, &req)
+	if err != nil {
+		internalServerErrorResponse(ctx, c, err)
+		return
+	}
+
+	c.JSON(consts.StatusOK, resp)
+}