fix veo3 adapter

relay/channel/task/vertex/adaptor.go

@@ -7,12 +7,12 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"one-api/model"
 	"regexp"
 	"strings"
 
 	"github.com/gin-gonic/gin"
 
-	"one-api/common"
 	"one-api/constant"
 	"one-api/dto"
 	"one-api/relay/channel"
@@ -21,6 +21,10 @@ import (
 	"one-api/service"
 )
 
+// ============================
+// Request / Response structures
+// ============================
+
 type requestPayload struct {
 	Instances  []map[string]any `json:"instances"`
 	Parameters map[string]any   `json:"parameters,omitempty"`
@@ -52,33 +56,35 @@ type operationResponse struct {
 	} `json:"error"`
 }
 
-type TaskAdaptor struct{}
+// ============================
+// Adaptor implementation
+// ============================
 
-func (a *TaskAdaptor) Init(info *relaycommon.TaskRelayInfo) {}
+type TaskAdaptor struct {
+	ChannelType int
+	apiKey      string
+	baseURL     string
+}
 
-func (a *TaskAdaptor) ValidateRequestAndSetAction(c *gin.Context, info *relaycommon.TaskRelayInfo) (taskErr *dto.TaskError) {
-	info.Action = constant.TaskActionTextGenerate
+func (a *TaskAdaptor) Init(info *relaycommon.RelayInfo) {
+	a.ChannelType = info.ChannelType
+	a.baseURL = info.ChannelBaseUrl
+	a.apiKey = info.ApiKey
+}
 
-	req := relaycommon.TaskSubmitReq{}
-	if err := common.UnmarshalBodyReusable(c, &req); err != nil {
-		return service.TaskErrorWrapperLocal(err, "invalid_request", http.StatusBadRequest)
-	}
-	if strings.TrimSpace(req.Prompt) == "" {
-		return service.TaskErrorWrapperLocal(fmt.Errorf("prompt is required"), "invalid_request", http.StatusBadRequest)
-	}
-	c.Set("task_request", req)
-	return nil
+// ValidateRequestAndSetAction parses body, validates fields and sets default action.
+func (a *TaskAdaptor) ValidateRequestAndSetAction(c *gin.Context, info *relaycommon.RelayInfo) (taskErr *dto.TaskError) {
+	// Use the standard validation method for TaskSubmitReq
+	return relaycommon.ValidateBasicTaskRequest(c, info, constant.TaskActionTextGenerate)
 }
 
-func (a *TaskAdaptor) BuildRequestURL(info *relaycommon.TaskRelayInfo) (string, error) {
+// BuildRequestURL constructs the upstream URL.
+func (a *TaskAdaptor) BuildRequestURL(info *relaycommon.RelayInfo) (string, error) {
 	adc := &vertexcore.Credentials{}
-	if err := json.Unmarshal([]byte(info.ApiKey), adc); err != nil {
+	if err := json.Unmarshal([]byte(a.apiKey), adc); err != nil {
 		return "", fmt.Errorf("failed to decode credentials: %w", err)
 	}
 	modelName := info.OriginModelName
-	if v, ok := getRequestModelFromContext(info); ok {
-		modelName = v
-	}
 	if modelName == "" {
 		modelName = "veo-3.0-generate-001"
 	}
@@ -103,16 +109,17 @@ func (a *TaskAdaptor) BuildRequestURL(info *relaycommon.TaskRelayInfo) (string,
 	), nil
 }
 
-func (a *TaskAdaptor) BuildRequestHeader(c *gin.Context, req *http.Request, info *relaycommon.TaskRelayInfo) error {
+// BuildRequestHeader sets required headers.
+func (a *TaskAdaptor) BuildRequestHeader(c *gin.Context, req *http.Request, info *relaycommon.RelayInfo) error {
 	req.Header.Set("Content-Type", "application/json")
 	req.Header.Set("Accept", "application/json")
 
 	adc := &vertexcore.Credentials{}
-	if err := json.Unmarshal([]byte(info.ApiKey), adc); err != nil {
+	if err := json.Unmarshal([]byte(a.apiKey), adc); err != nil {
 		return fmt.Errorf("failed to decode credentials: %w", err)
 	}
 
-	token, err := vertexcore.AcquireAccessToken(*adc, info.ChannelSetting.Proxy)
+	token, err := vertexcore.AcquireAccessToken(*adc, "")
 	if err != nil {
 		return fmt.Errorf("failed to acquire access token: %w", err)
 	}
@@ -121,7 +128,8 @@ func (a *TaskAdaptor) BuildRequestHeader(c *gin.Context, req *http.Request, info
 	return nil
 }
 
-func (a *TaskAdaptor) BuildRequestBody(c *gin.Context, _ *relaycommon.TaskRelayInfo) (io.Reader, error) {
+// BuildRequestBody converts request into Vertex specific format.
+func (a *TaskAdaptor) BuildRequestBody(c *gin.Context, info *relaycommon.RelayInfo) (io.Reader, error) {
 	v, ok := c.Get("task_request")
 	if !ok {
 		return nil, fmt.Errorf("request not found in context")
@@ -151,11 +159,13 @@ func (a *TaskAdaptor) BuildRequestBody(c *gin.Context, _ *relaycommon.TaskRelayI
 	return bytes.NewReader(data), nil
 }
 
-func (a *TaskAdaptor) DoRequest(c *gin.Context, info *relaycommon.TaskRelayInfo, requestBody io.Reader) (*http.Response, error) {
+// DoRequest delegates to common helper.
+func (a *TaskAdaptor) DoRequest(c *gin.Context, info *relaycommon.RelayInfo, requestBody io.Reader) (*http.Response, error) {
 	return channel.DoTaskApiRequest(a, c, info, requestBody)
 }
 
-func (a *TaskAdaptor) DoResponse(c *gin.Context, resp *http.Response, _ *relaycommon.TaskRelayInfo) (taskID string, taskData []byte, taskErr *dto.TaskError) {
+// DoResponse handles upstream response, returns taskID etc.
+func (a *TaskAdaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo) (taskID string, taskData []byte, taskErr *dto.TaskError) {
 	responseBody, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return "", nil, service.TaskErrorWrapper(err, "read_response_body_failed", http.StatusInternalServerError)
@@ -177,6 +187,7 @@ func (a *TaskAdaptor) DoResponse(c *gin.Context, resp *http.Response, _ *relayco
 func (a *TaskAdaptor) GetModelList() []string { return []string{"veo-3.0-generate-001"} }
 func (a *TaskAdaptor) GetChannelName() string { return "vertex" }
 
+// FetchTask fetch task status
 func (a *TaskAdaptor) FetchTask(baseUrl, key string, body map[string]any) (*http.Response, error) {
 	taskID, ok := body["task_id"].(string)
 	if !ok {
@@ -191,15 +202,15 @@ func (a *TaskAdaptor) FetchTask(baseUrl, key string, body map[string]any) (*http
 		region = "us-central1"
 	}
 	project := extractProjectFromOperationName(upstreamName)
-	model := extractModelFromOperationName(upstreamName)
-	if project == "" || model == "" {
+	modelName := extractModelFromOperationName(upstreamName)
+	if project == "" || modelName == "" {
 		return nil, fmt.Errorf("cannot extract project/model from operation name")
 	}
 	var url string
 	if region == "global" {
-		url = fmt.Sprintf("https://aiplatform.googleapis.com/v1/projects/%s/locations/global/publishers/google/models/%s:fetchPredictOperation", project, model)
+		url = fmt.Sprintf("https://aiplatform.googleapis.com/v1/projects/%s/locations/global/publishers/google/models/%s:fetchPredictOperation", project, modelName)
 	} else {
-		url = fmt.Sprintf("https://%s-aiplatform.googleapis.com/v1/projects/%s/locations/%s/publishers/google/models/%s:fetchPredictOperation", region, project, region, model)
+		url = fmt.Sprintf("https://%s-aiplatform.googleapis.com/v1/projects/%s/locations/%s/publishers/google/models/%s:fetchPredictOperation", region, project, region, modelName)
 	}
 	payload := map[string]string{"operationName": upstreamName}
 	data, err := json.Marshal(payload)
@@ -232,17 +243,17 @@ func (a *TaskAdaptor) ParseTaskResult(respBody []byte) (*relaycommon.TaskInfo, e
 	}
 	ti := &relaycommon.TaskInfo{}
 	if op.Error.Message != "" {
-		ti.Status = "FAILURE"
+		ti.Status = model.TaskStatusFailure
 		ti.Reason = op.Error.Message
 		ti.Progress = "100%"
 		return ti, nil
 	}
 	if !op.Done {
-		ti.Status = "IN_PROGRESS"
+		ti.Status = model.TaskStatusInProgress
 		ti.Progress = "50%"
 		return ti, nil
 	}
-	ti.Status = "SUCCESS"
+	ti.Status = model.TaskStatusSuccess
 	ti.Progress = "100%"
 	if len(op.Response.Videos) > 0 {
 		v0 := op.Response.Videos[0]
@@ -290,9 +301,9 @@ func (a *TaskAdaptor) ParseTaskResult(respBody []byte) (*relaycommon.TaskInfo, e
 	return ti, nil
 }
 
-func getRequestModelFromContext(info *relaycommon.TaskRelayInfo) (string, bool) {
-	return info.OriginModelName, info.OriginModelName != ""
-}
+// ============================
+// helpers
+// ============================
 
 func encodeLocalTaskID(name string) string {
 	return base64.RawURLEncoding.EncodeToString([]byte(name))