初始化导入 new-api 源码

relay/channel/openai/relay_responses.go

@@ -0,0 +1,150 @@
+package openai
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+
+	"github.com/QuantumNous/new-api/common"
+	"github.com/QuantumNous/new-api/dto"
+	"github.com/QuantumNous/new-api/logger"
+	relaycommon "github.com/QuantumNous/new-api/relay/common"
+	"github.com/QuantumNous/new-api/relay/helper"
+	"github.com/QuantumNous/new-api/service"
+	"github.com/QuantumNous/new-api/types"
+
+	"github.com/gin-gonic/gin"
+)
+
+func OaiResponsesHandler(c *gin.Context, info *relaycommon.RelayInfo, resp *http.Response) (*dto.Usage, *types.NewAPIError) {
+	defer service.CloseResponseBodyGracefully(resp)
+
+	// read response body
+	var responsesResponse dto.OpenAIResponsesResponse
+	responseBody, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, types.NewOpenAIError(err, types.ErrorCodeReadResponseBodyFailed, http.StatusInternalServerError)
+	}
+	err = common.Unmarshal(responseBody, &responsesResponse)
+	if err != nil {
+		return nil, types.NewOpenAIError(err, types.ErrorCodeBadResponseBody, http.StatusInternalServerError)
+	}
+	if oaiError := responsesResponse.GetOpenAIError(); oaiError != nil && oaiError.Type != "" {
+		return nil, types.WithOpenAIError(*oaiError, resp.StatusCode)
+	}
+
+	if responsesResponse.HasImageGenerationCall() {
+		c.Set("image_generation_call", true)
+		c.Set("image_generation_call_quality", responsesResponse.GetQuality())
+		c.Set("image_generation_call_size", responsesResponse.GetSize())
+	}
+
+	// 写入新的 response body
+	service.IOCopyBytesGracefully(c, resp, responseBody)
+
+	// compute usage
+	usage := dto.Usage{}
+	if responsesResponse.Usage != nil {
+		usage.PromptTokens = responsesResponse.Usage.InputTokens
+		usage.CompletionTokens = responsesResponse.Usage.OutputTokens
+		usage.TotalTokens = responsesResponse.Usage.TotalTokens
+		if responsesResponse.Usage.InputTokensDetails != nil {
+			usage.PromptTokensDetails.CachedTokens = responsesResponse.Usage.InputTokensDetails.CachedTokens
+		}
+	}
+	if info == nil || info.ResponsesUsageInfo == nil || info.ResponsesUsageInfo.BuiltInTools == nil {
+		return &usage, nil
+	}
+	// 解析 Tools 用量
+	for _, tool := range responsesResponse.Tools {
+		buildToolinfo, ok := info.ResponsesUsageInfo.BuiltInTools[common.Interface2String(tool["type"])]
+		if !ok || buildToolinfo == nil {
+			logger.LogError(c, fmt.Sprintf("BuiltInTools not found for tool type: %v", tool["type"]))
+			continue
+		}
+		buildToolinfo.CallCount++
+	}
+	return &usage, nil
+}
+
+func OaiResponsesStreamHandler(c *gin.Context, info *relaycommon.RelayInfo, resp *http.Response) (*dto.Usage, *types.NewAPIError) {
+	if resp == nil || resp.Body == nil {
+		logger.LogError(c, "invalid response or response body")
+		return nil, types.NewError(fmt.Errorf("invalid response"), types.ErrorCodeBadResponse)
+	}
+
+	defer service.CloseResponseBodyGracefully(resp)
+
+	var usage = &dto.Usage{}
+	var responseTextBuilder strings.Builder
+
+	helper.StreamScannerHandler(c, resp, info, func(data string) bool {
+
+		// 检查当前数据是否包含 completed 状态和 usage 信息
+		var streamResponse dto.ResponsesStreamResponse
+		if err := common.UnmarshalJsonStr(data, &streamResponse); err == nil {
+			sendResponsesStreamData(c, streamResponse, data)
+			switch streamResponse.Type {
+			case "response.completed":
+				if streamResponse.Response != nil {
+					if streamResponse.Response.Usage != nil {
+						if streamResponse.Response.Usage.InputTokens != 0 {
+							usage.PromptTokens = streamResponse.Response.Usage.InputTokens
+						}
+						if streamResponse.Response.Usage.OutputTokens != 0 {
+							usage.CompletionTokens = streamResponse.Response.Usage.OutputTokens
+						}
+						if streamResponse.Response.Usage.TotalTokens != 0 {
+							usage.TotalTokens = streamResponse.Response.Usage.TotalTokens
+						}
+						if streamResponse.Response.Usage.InputTokensDetails != nil {
+							usage.PromptTokensDetails.CachedTokens = streamResponse.Response.Usage.InputTokensDetails.CachedTokens
+						}
+					}
+					if streamResponse.Response.HasImageGenerationCall() {
+						c.Set("image_generation_call", true)
+						c.Set("image_generation_call_quality", streamResponse.Response.GetQuality())
+						c.Set("image_generation_call_size", streamResponse.Response.GetSize())
+					}
+				}
+			case "response.output_text.delta":
+				// 处理输出文本
+				responseTextBuilder.WriteString(streamResponse.Delta)
+			case dto.ResponsesOutputTypeItemDone:
+				// 函数调用处理
+				if streamResponse.Item != nil {
+					switch streamResponse.Item.Type {
+					case dto.BuildInCallWebSearchCall:
+						if info != nil && info.ResponsesUsageInfo != nil && info.ResponsesUsageInfo.BuiltInTools != nil {
+							if webSearchTool, exists := info.ResponsesUsageInfo.BuiltInTools[dto.BuildInToolWebSearchPreview]; exists && webSearchTool != nil {
+								webSearchTool.CallCount++
+							}
+						}
+					}
+				}
+			}
+		} else {
+			logger.LogError(c, "failed to unmarshal stream response: "+err.Error())
+		}
+		return true
+	})
+
+	if usage.CompletionTokens == 0 {
+		// 计算输出文本的 token 数量
+		tempStr := responseTextBuilder.String()
+		if len(tempStr) > 0 {
+			// 非正常结束，使用输出文本的 token 数量
+			completionTokens := service.CountTextToken(tempStr, info.UpstreamModelName)
+			usage.CompletionTokens = completionTokens
+		}
+	}
+
+	if usage.PromptTokens == 0 && usage.CompletionTokens != 0 {
+		usage.PromptTokens = info.GetEstimatePromptTokens()
+	}
+
+	usage.TotalTokens = usage.PromptTokens + usage.CompletionTokens
+
+	return usage, nil
+}