初始化导入 new-api 源码
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OpenClaw Task Bot
293
relay/gemini_handler.go
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293
relay/gemini_handler.go
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@@ -0,0 +1,293 @@
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package relay
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import (
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"bytes"
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"fmt"
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"io"
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"net/http"
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"strings"
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"github.com/QuantumNous/new-api/common"
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"github.com/QuantumNous/new-api/constant"
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"github.com/QuantumNous/new-api/dto"
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"github.com/QuantumNous/new-api/logger"
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"github.com/QuantumNous/new-api/relay/channel/gemini"
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relaycommon "github.com/QuantumNous/new-api/relay/common"
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"github.com/QuantumNous/new-api/relay/helper"
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"github.com/QuantumNous/new-api/service"
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"github.com/QuantumNous/new-api/setting/model_setting"
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"github.com/QuantumNous/new-api/types"
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"github.com/gin-gonic/gin"
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)
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func isNoThinkingRequest(req *dto.GeminiChatRequest) bool {
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if req.GenerationConfig.ThinkingConfig != nil && req.GenerationConfig.ThinkingConfig.ThinkingBudget != nil {
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configBudget := req.GenerationConfig.ThinkingConfig.ThinkingBudget
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if configBudget != nil && *configBudget == 0 {
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// 如果思考预算为 0，则认为是非思考请求
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return true
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}
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}
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return false
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}
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func trimModelThinking(modelName string) string {
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// 去除模型名称中的 -nothinking 后缀
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if strings.HasSuffix(modelName, "-nothinking") {
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return strings.TrimSuffix(modelName, "-nothinking")
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}
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// 去除模型名称中的 -thinking 后缀
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if strings.HasSuffix(modelName, "-thinking") {
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return strings.TrimSuffix(modelName, "-thinking")
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}
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// 去除模型名称中的 -thinking-number
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if strings.Contains(modelName, "-thinking-") {
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parts := strings.Split(modelName, "-thinking-")
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if len(parts) > 1 {
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return parts[0] + "-thinking"
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}
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}
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return modelName
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}
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func GeminiHelper(c *gin.Context, info *relaycommon.RelayInfo) (newAPIError *types.NewAPIError) {
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info.InitChannelMeta(c)
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geminiReq, ok := info.Request.(*dto.GeminiChatRequest)
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if !ok {
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return types.NewErrorWithStatusCode(fmt.Errorf("invalid request type, expected *dto.GeminiChatRequest, got %T", info.Request), types.ErrorCodeInvalidRequest, http.StatusBadRequest, types.ErrOptionWithSkipRetry())
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}
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request, err := common.DeepCopy(geminiReq)
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if err != nil {
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return types.NewError(fmt.Errorf("failed to copy request to GeminiChatRequest: %w", err), types.ErrorCodeInvalidRequest, types.ErrOptionWithSkipRetry())
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}
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// model mapped 模型映射
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err = helper.ModelMappedHelper(c, info, request)
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if err != nil {
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return types.NewError(err, types.ErrorCodeChannelModelMappedError, types.ErrOptionWithSkipRetry())
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}
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if model_setting.GetGeminiSettings().ThinkingAdapterEnabled {
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if isNoThinkingRequest(request) {
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// check is thinking
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if !strings.Contains(info.OriginModelName, "-nothinking") {
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// try to get no thinking model price
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noThinkingModelName := info.OriginModelName + "-nothinking"
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containPrice := helper.ContainPriceOrRatio(noThinkingModelName)
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if containPrice {
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info.OriginModelName = noThinkingModelName
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info.UpstreamModelName = noThinkingModelName
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}
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}
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}
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if request.GenerationConfig.ThinkingConfig == nil {
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gemini.ThinkingAdaptor(request, info)
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}
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}
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adaptor := GetAdaptor(info.ApiType)
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if adaptor == nil {
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return types.NewError(fmt.Errorf("invalid api type: %d", info.ApiType), types.ErrorCodeInvalidApiType, types.ErrOptionWithSkipRetry())
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}
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adaptor.Init(info)
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if info.ChannelSetting.SystemPrompt != "" {
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if request.SystemInstructions == nil {
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request.SystemInstructions = &dto.GeminiChatContent{
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Parts: []dto.GeminiPart{
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{Text: info.ChannelSetting.SystemPrompt},
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},
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}
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} else if len(request.SystemInstructions.Parts) == 0 {
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request.SystemInstructions.Parts = []dto.GeminiPart{{Text: info.ChannelSetting.SystemPrompt}}
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} else if info.ChannelSetting.SystemPromptOverride {
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common.SetContextKey(c, constant.ContextKeySystemPromptOverride, true)
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merged := false
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for i := range request.SystemInstructions.Parts {
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if request.SystemInstructions.Parts[i].Text == "" {
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continue
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}
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request.SystemInstructions.Parts[i].Text = info.ChannelSetting.SystemPrompt + "\n" + request.SystemInstructions.Parts[i].Text
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merged = true
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break
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}
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if !merged {
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request.SystemInstructions.Parts = append([]dto.GeminiPart{{Text: info.ChannelSetting.SystemPrompt}}, request.SystemInstructions.Parts...)
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}
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}
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}
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// Clean up empty system instruction
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if request.SystemInstructions != nil {
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hasContent := false
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for _, part := range request.SystemInstructions.Parts {
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if part.Text != "" {
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hasContent = true
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break
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}
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}
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if !hasContent {
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request.SystemInstructions = nil
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}
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}
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var requestBody io.Reader
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if model_setting.GetGlobalSettings().PassThroughRequestEnabled || info.ChannelSetting.PassThroughBodyEnabled {
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storage, err := common.GetBodyStorage(c)
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if err != nil {
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return types.NewErrorWithStatusCode(err, types.ErrorCodeReadRequestBodyFailed, http.StatusBadRequest, types.ErrOptionWithSkipRetry())
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}
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requestBody = common.ReaderOnly(storage)
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} else {
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// 使用 ConvertGeminiRequest 转换请求格式
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convertedRequest, err := adaptor.ConvertGeminiRequest(c, info, request)
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if err != nil {
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return types.NewError(err, types.ErrorCodeConvertRequestFailed, types.ErrOptionWithSkipRetry())
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}
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relaycommon.AppendRequestConversionFromRequest(info, convertedRequest)
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jsonData, err := common.Marshal(convertedRequest)
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if err != nil {
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return types.NewError(err, types.ErrorCodeConvertRequestFailed, types.ErrOptionWithSkipRetry())
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}
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// apply param override
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if len(info.ParamOverride) > 0 {
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jsonData, err = relaycommon.ApplyParamOverrideWithRelayInfo(jsonData, info)
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if err != nil {
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return newAPIErrorFromParamOverride(err)
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}
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}
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logger.LogDebug(c, "Gemini request body: "+string(jsonData))
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requestBody = bytes.NewReader(jsonData)
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}
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resp, err := adaptor.DoRequest(c, info, requestBody)
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if err != nil {
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logger.LogError(c, "Do gemini request failed: "+err.Error())
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return types.NewOpenAIError(err, types.ErrorCodeDoRequestFailed, http.StatusInternalServerError)
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}
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statusCodeMappingStr := c.GetString("status_code_mapping")
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var httpResp *http.Response
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if resp != nil {
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httpResp = resp.(*http.Response)
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info.IsStream = info.IsStream || strings.HasPrefix(httpResp.Header.Get("Content-Type"), "text/event-stream")
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if httpResp.StatusCode != http.StatusOK {
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newAPIError = service.RelayErrorHandler(c.Request.Context(), httpResp, false)
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// reset status code 重置状态码
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service.ResetStatusCode(newAPIError, statusCodeMappingStr)
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return newAPIError
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}
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}
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usage, openaiErr := adaptor.DoResponse(c, resp.(*http.Response), info)
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if openaiErr != nil {
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service.ResetStatusCode(openaiErr, statusCodeMappingStr)
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return openaiErr
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}
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service.PostTextConsumeQuota(c, info, usage.(*dto.Usage), nil)
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return nil
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}
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func GeminiEmbeddingHandler(c *gin.Context, info *relaycommon.RelayInfo) (newAPIError *types.NewAPIError) {
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info.InitChannelMeta(c)
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isBatch := strings.HasSuffix(c.Request.URL.Path, "batchEmbedContents")
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info.IsGeminiBatchEmbedding = isBatch
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var req dto.Request
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var err error
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var inputTexts []string
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if isBatch {
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batchRequest := &dto.GeminiBatchEmbeddingRequest{}
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err = common.UnmarshalBodyReusable(c, batchRequest)
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if err != nil {
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return types.NewError(err, types.ErrorCodeInvalidRequest, types.ErrOptionWithSkipRetry())
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}
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req = batchRequest
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for _, r := range batchRequest.Requests {
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for _, part := range r.Content.Parts {
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if part.Text != "" {
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inputTexts = append(inputTexts, part.Text)
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}
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}
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}
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} else {
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singleRequest := &dto.GeminiEmbeddingRequest{}
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err = common.UnmarshalBodyReusable(c, singleRequest)
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if err != nil {
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return types.NewError(err, types.ErrorCodeInvalidRequest, types.ErrOptionWithSkipRetry())
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}
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req = singleRequest
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for _, part := range singleRequest.Content.Parts {
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if part.Text != "" {
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inputTexts = append(inputTexts, part.Text)
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}
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}
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}
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err = helper.ModelMappedHelper(c, info, req)
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if err != nil {
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return types.NewError(err, types.ErrorCodeChannelModelMappedError, types.ErrOptionWithSkipRetry())
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}
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req.SetModelName("models/" + info.UpstreamModelName)
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adaptor := GetAdaptor(info.ApiType)
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if adaptor == nil {
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return types.NewError(fmt.Errorf("invalid api type: %d", info.ApiType), types.ErrorCodeInvalidApiType, types.ErrOptionWithSkipRetry())
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}
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adaptor.Init(info)
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var requestBody io.Reader
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jsonData, err := common.Marshal(req)
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if err != nil {
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return types.NewError(err, types.ErrorCodeConvertRequestFailed, types.ErrOptionWithSkipRetry())
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}
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// apply param override
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if len(info.ParamOverride) > 0 {
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jsonData, err = relaycommon.ApplyParamOverrideWithRelayInfo(jsonData, info)
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if err != nil {
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return newAPIErrorFromParamOverride(err)
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}
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}
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logger.LogDebug(c, "Gemini embedding request body: "+string(jsonData))
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requestBody = bytes.NewReader(jsonData)
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resp, err := adaptor.DoRequest(c, info, requestBody)
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if err != nil {
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logger.LogError(c, "Do gemini request failed: "+err.Error())
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return types.NewOpenAIError(err, types.ErrorCodeDoRequestFailed, http.StatusInternalServerError)
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}
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statusCodeMappingStr := c.GetString("status_code_mapping")
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var httpResp *http.Response
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if resp != nil {
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httpResp = resp.(*http.Response)
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if httpResp.StatusCode != http.StatusOK {
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newAPIError = service.RelayErrorHandler(c.Request.Context(), httpResp, false)
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service.ResetStatusCode(newAPIError, statusCodeMappingStr)
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return newAPIError
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}
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}
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usage, openaiErr := adaptor.DoResponse(c, resp.(*http.Response), info)
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if openaiErr != nil {
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service.ResetStatusCode(openaiErr, statusCodeMappingStr)
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return openaiErr
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}
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service.PostTextConsumeQuota(c, info, usage.(*dto.Usage), nil)
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return nil
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}
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