feat: add gemini veo3.1

relay/channel/task/gemini/adaptor.go

+package gemini
+
+import (
+	"bytes"
+	"encoding/base64"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/QuantumNous/new-api/constant"
+	"github.com/QuantumNous/new-api/dto"
+	"github.com/QuantumNous/new-api/model"
+	"github.com/QuantumNous/new-api/relay/channel"
+	relaycommon "github.com/QuantumNous/new-api/relay/common"
+	"github.com/QuantumNous/new-api/service"
+	"github.com/QuantumNous/new-api/setting/model_setting"
+	"github.com/gin-gonic/gin"
+)
+
+// ============================
+// Request / Response structures
+// ============================
+
+type requestPayload struct {
+	Instances  []map[string]any `json:"instances"`
+	Parameters map[string]any   `json:"parameters,omitempty"`
+}
+
+type submitResponse struct {
+	Name string `json:"name"`
+}
+
+type operationVideo struct {
+	MimeType           string `json:"mimeType"`
+	BytesBase64Encoded string `json:"bytesBase64Encoded"`
+	Encoding           string `json:"encoding"`
+}
+
+type operationResponse struct {
+	Name     string `json:"name"`
+	Done     bool   `json:"done"`
+	Response struct {
+		Type                  string           `json:"@type"`
+		RaiMediaFilteredCount int              `json:"raiMediaFilteredCount"`
+		Videos                []operationVideo `json:"videos"`
+		BytesBase64Encoded    string           `json:"bytesBase64Encoded"`
+		Encoding              string           `json:"encoding"`
+		Video                 string           `json:"video"`
+		GenerateVideoResponse struct {
+			GeneratedSamples []struct {
+				Video struct {
+					URI string `json:"uri"`
+				} `json:"video"`
+			} `json:"generatedSamples"`
+		} `json:"generateVideoResponse"`
+	} `json:"response"`
+	Error struct {
+		Message string `json:"message"`
+	} `json:"error"`
+}
+
+// ============================
+// Adaptor implementation
+// ============================
+
+type TaskAdaptor struct {
+	ChannelType int
+	apiKey      string
+	baseURL     string
+}
+
+func (a *TaskAdaptor) Init(info *relaycommon.RelayInfo) {
+	a.ChannelType = info.ChannelType
+	a.baseURL = info.ChannelBaseUrl
+	a.apiKey = info.ApiKey
+}
+
+// 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)
+}
+
+// BuildRequestURL constructs the upstream URL.
+func (a *TaskAdaptor) BuildRequestURL(info *relaycommon.RelayInfo) (string, error) {
+	modelName := info.OriginModelName
+	if modelName == "" {
+		modelName = "veo-3.0-generate-001"
+	}
+
+	version := model_setting.GetGeminiVersionSetting(modelName)
+
+	return fmt.Sprintf(
+		"%s/%s/models/%s:predictLongRunning",
+		a.baseURL,
+		version,
+		modelName,
+	), nil
+}
+
+// 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")
+	req.Header.Set("x-goog-api-key", a.apiKey)
+	return nil
+}
+
+// BuildRequestBody converts request into Gemini 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")
+	}
+	req := v.(relaycommon.TaskSubmitReq)
+
+	body := requestPayload{
+		Instances:  []map[string]any{{"prompt": req.Prompt}},
+		Parameters: map[string]any{},
+	}
+
+	// Add Veo-specific parameters from metadata
+	if req.Metadata != nil {
+		if v, ok := req.Metadata["aspectRatio"]; ok {
+			body.Parameters["aspectRatio"] = v
+		} else {
+			body.Parameters["aspectRatio"] = "16:9" // default
+		}
+
+		if v, ok := req.Metadata["negativePrompt"]; ok {
+			body.Parameters["negativePrompt"] = v
+		}
+
+		if v, ok := req.Metadata["durationSeconds"]; ok {
+			body.Parameters["durationSeconds"] = v
+		} else {
+			body.Parameters["durationSeconds"] = "8" // default
+		}
+
+		if v, ok := req.Metadata["resolution"]; ok {
+			body.Parameters["resolution"] = v
+		}
+
+		if v, ok := req.Metadata["personGeneration"]; ok {
+			body.Parameters["personGeneration"] = v
+		} else {
+			body.Parameters["personGeneration"] = "allow_adult" // default
+		}
+	}
+
+	data, err := json.Marshal(body)
+	if err != nil {
+		return nil, err
+	}
+	return bytes.NewReader(data), nil
+}
+
+// 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)
+}
+
+// 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)
+	}
+	_ = resp.Body.Close()
+
+	var s submitResponse
+	if err := json.Unmarshal(responseBody, &s); err != nil {
+		return "", nil, service.TaskErrorWrapper(err, "unmarshal_response_failed", http.StatusInternalServerError)
+	}
+	if strings.TrimSpace(s.Name) == "" {
+		return "", nil, service.TaskErrorWrapper(fmt.Errorf("missing operation name"), "invalid_response", http.StatusInternalServerError)
+	}
+	localID := encodeLocalTaskID(s.Name)
+	c.JSON(http.StatusOK, gin.H{"task_id": localID})
+	return localID, responseBody, nil
+}
+
+func (a *TaskAdaptor) GetModelList() []string {
+	return []string{"veo-3.0-generate-001"}
+}
+
+func (a *TaskAdaptor) GetChannelName() string {
+	return "gemini"
+}
+
+// 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 {
+		return nil, fmt.Errorf("invalid task_id")
+	}
+
+	upstreamName, err := decodeLocalTaskID(taskID)
+	if err != nil {
+		return nil, fmt.Errorf("decode task_id failed: %w", err)
+	}
+
+	// For Gemini API, we use GET request to the operations endpoint
+	version := model_setting.GetGeminiVersionSetting("veo-3.0-generate-001")
+	url := fmt.Sprintf("%s/%s/%s", baseUrl, version, upstreamName)
+
+	req, err := http.NewRequest(http.MethodGet, url, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	req.Header.Set("Accept", "application/json")
+	req.Header.Set("x-goog-api-key", key)
+
+	return service.GetHttpClient().Do(req)
+}
+
+func (a *TaskAdaptor) ParseTaskResult(respBody []byte) (*relaycommon.TaskInfo, error) {
+	var op operationResponse
+	if err := json.Unmarshal(respBody, &op); err != nil {
+		return nil, fmt.Errorf("unmarshal operation response failed: %w", err)
+	}
+
+	ti := &relaycommon.TaskInfo{}
+
+	if op.Error.Message != "" {
+		ti.Status = model.TaskStatusFailure
+		ti.Reason = op.Error.Message
+		ti.Progress = "100%"
+		return ti, nil
+	}
+
+	if !op.Done {
+		ti.Status = model.TaskStatusInProgress
+		ti.Progress = "50%"
+		return ti, nil
+	}
+
+	ti.Status = model.TaskStatusSuccess
+	ti.Progress = "100%"
+
+	// Extract URL from generateVideoResponse if available
+	if len(op.Response.GenerateVideoResponse.GeneratedSamples) > 0 {
+		if uri := op.Response.GenerateVideoResponse.GeneratedSamples[0].Video.URI; uri != "" {
+			ti.Url = uri
+		}
+	}
+
+	return ti, nil
+}
+
+// ============================
+// helpers
+// ============================
+
+func encodeLocalTaskID(name string) string {
+	// Add timestamp to ensure uniqueness
+	timestamp := time.Now().Unix()
+	data := fmt.Sprintf("%s:%d", name, timestamp)
+	return base64.RawURLEncoding.EncodeToString([]byte(data))
+}
+
+func decodeLocalTaskID(local string) (string, error) {
+	b, err := base64.RawURLEncoding.DecodeString(local)
+	if err != nil {
+		return "", err
+	}
+
+	// Extract the operation name from encoded data (remove timestamp if present)
+	parts := strings.Split(string(b), ":")
+	if len(parts) > 0 {
+		return parts[0], nil
+	}
+
+	return string(b), nil
+}

relay/relay_adaptor.go

@@ -28,6 +28,7 @@ import (
 	"github.com/QuantumNous/new-api/relay/channel/siliconflow"
 	"github.com/QuantumNous/new-api/relay/channel/submodel"
 	taskdoubao "github.com/QuantumNous/new-api/relay/channel/task/doubao"
+	taskGemini "github.com/QuantumNous/new-api/relay/channel/task/gemini"
 	taskjimeng "github.com/QuantumNous/new-api/relay/channel/task/jimeng"
 	"github.com/QuantumNous/new-api/relay/channel/task/kling"
 	tasksora "github.com/QuantumNous/new-api/relay/channel/task/sora"
@@ -141,6 +142,8 @@ func GetTaskAdaptor(platform constant.TaskPlatform) channel.TaskAdaptor {
 			return &taskdoubao.TaskAdaptor{}
 		case constant.ChannelTypeSora, constant.ChannelTypeOpenAI:
 			return &tasksora.TaskAdaptor{}
+		case constant.ChannelTypeGemini:
+			return &taskGemini.TaskAdaptor{}
 		}
 	}
 	return nil