refactor: use common taskSubmitReq

relay/channel/task/kling/adaptor.go

@@ -16,7 +16,6 @@ import (
 	"github.com/golang-jwt/jwt"
 	"github.com/pkg/errors"
 
-	"one-api/common"
 	"one-api/constant"
 	"one-api/dto"
 	"one-api/relay/channel"
@@ -28,16 +27,6 @@ import (
 // Request / Response structures
 // ============================
 
-type SubmitReq struct {
-	Prompt   string                 `json:"prompt"`
-	Model    string                 `json:"model,omitempty"`
-	Mode     string                 `json:"mode,omitempty"`
-	Image    string                 `json:"image,omitempty"`
-	Size     string                 `json:"size,omitempty"`
-	Duration int                    `json:"duration,omitempty"`
-	Metadata map[string]interface{} `json:"metadata,omitempty"`
-}
-
 type TrajectoryPoint struct {
 	X int `json:"x"`
 	Y int `json:"y"`
@@ -121,23 +110,8 @@ func (a *TaskAdaptor) Init(info *relaycommon.RelayInfo) {
 
 // ValidateRequestAndSetAction parses body, validates fields and sets default action.
 func (a *TaskAdaptor) ValidateRequestAndSetAction(c *gin.Context, info *relaycommon.RelayInfo) (taskErr *dto.TaskError) {
-	// Accept only POST /v1/video/generations as "generate" action.
-	action := constant.TaskActionGenerate
-	info.Action = action
-
-	var req SubmitReq
-	if err := common.UnmarshalBodyReusable(c, &req); err != nil {
-		taskErr = service.TaskErrorWrapperLocal(err, "invalid_request", http.StatusBadRequest)
-		return
-	}
-	if strings.TrimSpace(req.Prompt) == "" {
-		taskErr = service.TaskErrorWrapperLocal(fmt.Errorf("prompt is required"), "invalid_request", http.StatusBadRequest)
-		return
-	}
-
-	// Store into context for later usage
-	c.Set("task_request", req)
-	return nil
+	// Use the standard validation method for TaskSubmitReq
+	return relaycommon.ValidateBasicTaskRequest(c, info, constant.TaskActionGenerate)
 }
 
 // BuildRequestURL constructs the upstream URL.
@@ -166,7 +140,7 @@ func (a *TaskAdaptor) BuildRequestBody(c *gin.Context, info *relaycommon.RelayIn
 	if !exists {
 		return nil, fmt.Errorf("request not found in context")
 	}
-	req := v.(SubmitReq)
+	req := v.(relaycommon.TaskSubmitReq)
 
 	body, err := a.convertToRequestPayload(&req)
 	if err != nil {
@@ -255,7 +229,7 @@ func (a *TaskAdaptor) GetChannelName() string {
 // helpers
 // ============================
 
-func (a *TaskAdaptor) convertToRequestPayload(req *SubmitReq) (*requestPayload, error) {
+func (a *TaskAdaptor) convertToRequestPayload(req *relaycommon.TaskSubmitReq) (*requestPayload, error) {
 	r := requestPayload{
 		Prompt:         req.Prompt,
 		Image:          req.Image,