add coze request

relay/channel/coze/relay-coze.go

@@ -0,0 +1,121 @@
+package coze
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"one-api/dto"
+	"one-api/relay/common"
+	relaycommon "one-api/relay/common"
+	"one-api/service"
+
+	"github.com/gin-gonic/gin"
+)
+
+func convertCozeChatRequest(request dto.GeneralOpenAIRequest) *CozeRequest {
+	var messages []CozeEnterMessage
+	// 将 request的messages的role为user的content转换为CozeMessage
+	for _, message := range request.Messages {
+		if message.Role == "user" {
+			messages = append(messages, CozeEnterMessage{
+				Role:    "user",
+				Content: message.Content,
+				// TODO: support more content type
+				ContentType: "text",
+			})
+		}
+	}
+	cozeRequest := &CozeRequest{
+		// TODO: model to botid
+		BotId:    "1",
+		Messages: messages,
+	}
+	return cozeRequest
+}
+
+func cozeChatHandler(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo) (*dto.OpenAIErrorWithStatusCode, *dto.Usage) {
+	responseBody, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return service.OpenAIErrorWrapper(err, "read_response_body_failed", http.StatusInternalServerError), nil
+	}
+	err = resp.Body.Close()
+	if err != nil {
+		return service.OpenAIErrorWrapperLocal(err, "close_response_body_failed", http.StatusInternalServerError), nil
+	}
+	// convert coze response to openai response
+	var response dto.TextResponse
+	var cozeResponse CozeChatResponse
+	err = json.Unmarshal(responseBody, &cozeResponse)
+	if err != nil {
+		return service.OpenAIErrorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError), nil
+	}
+	response.Model = info.UpstreamModelName
+	// TODO: 处理 cozeResponse
+	return nil, nil
+}
+
+func checkIfChatComplete(a *Adaptor, c *gin.Context, info *relaycommon.RelayInfo) (error, bool) {
+	requestURL := fmt.Sprintf("%s/v3/chat/retrieve", info.BaseUrl)
+
+	requestURL = requestURL + "?conversation_id=" + c.GetString("coze_conversation_id") + "&chat_id=" + c.GetString("coze_chat_id")
+	// 将 conversationId和chatId作为参数发送get请求
+	req, err := http.NewRequest("GET", requestURL, nil)
+	if err != nil {
+		return err, false
+	}
+	err = a.SetupRequestHeader(c, &req.Header, info)
+	if err != nil {
+		return err, false
+	}
+
+	resp, err := doRequest(req, info) // 调用 doRequest
+	if err != nil {
+		return err, false
+	}
+	if resp == nil { // 确保在 doRequest 失败时 resp 不为 nil 导致 panic
+		return fmt.Errorf("resp is nil"), false
+	}
+	defer resp.Body.Close() // 确保响应体被关闭
+
+	// 解析 resp 到 CozeChatResponse
+	var cozeResponse CozeChatResponse
+	responseBody, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return fmt.Errorf("read response body failed: %w", err), false
+	}
+	err = json.Unmarshal(responseBody, &cozeResponse)
+	if err != nil {
+		return fmt.Errorf("unmarshal response body failed: %w", err), false
+	}
+	if cozeResponse.Data.Status == "completed" {
+		// 在上下文设置 usage
+		c.Set("coze_token_count", cozeResponse.Data.Usage.TokenCount)
+		c.Set("coze_output_count", cozeResponse.Data.Usage.OutputCount)
+		c.Set("coze_input_count", cozeResponse.Data.Usage.InputCount)
+		return nil, true
+	} else if cozeResponse.Data.Status == "failed" || cozeResponse.Data.Status == "canceled" || cozeResponse.Data.Status == "requires_action" {
+		return fmt.Errorf("chat status: %s", cozeResponse.Data.Status), false
+	} else {
+		return nil, false
+	}
+}
+
+func doRequest(req *http.Request, info *common.RelayInfo) (*http.Response, error) {
+	var client *http.Client
+	var err error // 声明 err 变量
+	if proxyURL, ok := info.ChannelSetting["proxy"]; ok {
+		client, err = service.NewProxyHttpClient(proxyURL.(string))
+		if err != nil {
+			return nil, fmt.Errorf("new proxy http client failed: %w", err)
+		}
+	} else {
+		client = service.GetHttpClient()
+	}
+	resp, err := client.Do(req)
+	if err != nil { // 增加对 client.Do(req) 返回错误的检查
+		return nil, fmt.Errorf("client.Do failed: %w", err)
+	}
+	_ = resp.Body.Close()
+	return resp, nil
+}