ai-gateway/relay/channel/openai/adaptor.go
2024-03-24 21:47:46 +08:00

90 lines
3.0 KiB
Go

package openai
import (
"errors"
"fmt"
"github.com/gin-gonic/gin"
"github.com/songquanpeng/one-api/common"
"github.com/songquanpeng/one-api/relay/channel"
"github.com/songquanpeng/one-api/relay/channel/minimax"
"github.com/songquanpeng/one-api/relay/model"
"github.com/songquanpeng/one-api/relay/util"
"io"
"net/http"
"strings"
)
type Adaptor struct {
ChannelType int
}
func (a *Adaptor) Init(meta *util.RelayMeta) {
a.ChannelType = meta.ChannelType
}
func (a *Adaptor) GetRequestURL(meta *util.RelayMeta) (string, error) {
switch meta.ChannelType {
case common.ChannelTypeAzure:
// https://learn.microsoft.com/en-us/azure/cognitive-services/openai/chatgpt-quickstart?pivots=rest-api&tabs=command-line#rest-api
requestURL := strings.Split(meta.RequestURLPath, "?")[0]
requestURL = fmt.Sprintf("%s?api-version=%s", requestURL, meta.APIVersion)
task := strings.TrimPrefix(requestURL, "/v1/")
model_ := meta.ActualModelName
model_ = strings.Replace(model_, ".", "", -1)
//https://github.com/songquanpeng/one-api/issues/1191
// {your endpoint}/openai/deployments/{your azure_model}/chat/completions?api-version={api_version}
requestURL = fmt.Sprintf("/openai/deployments/%s/%s", model_, task)
return util.GetFullRequestURL(meta.BaseURL, requestURL, meta.ChannelType), nil
case common.ChannelTypeMinimax:
return minimax.GetRequestURL(meta)
default:
return util.GetFullRequestURL(meta.BaseURL, meta.RequestURLPath, meta.ChannelType), nil
}
}
func (a *Adaptor) SetupRequestHeader(c *gin.Context, req *http.Request, meta *util.RelayMeta) error {
channel.SetupCommonRequestHeader(c, req, meta)
if meta.ChannelType == common.ChannelTypeAzure {
req.Header.Set("api-key", meta.APIKey)
return nil
}
req.Header.Set("Authorization", "Bearer "+meta.APIKey)
if meta.ChannelType == common.ChannelTypeOpenRouter {
req.Header.Set("HTTP-Referer", "https://github.com/songquanpeng/one-api")
req.Header.Set("X-Title", "One API")
}
return nil
}
func (a *Adaptor) ConvertRequest(c *gin.Context, relayMode int, request *model.GeneralOpenAIRequest) (any, error) {
if request == nil {
return nil, errors.New("request is nil")
}
return request, nil
}
func (a *Adaptor) DoRequest(c *gin.Context, meta *util.RelayMeta, requestBody io.Reader) (*http.Response, error) {
return channel.DoRequestHelper(a, c, meta, requestBody)
}
func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, meta *util.RelayMeta) (usage *model.Usage, err *model.ErrorWithStatusCode) {
if meta.IsStream {
var responseText string
err, responseText, _ = StreamHandler(c, resp, meta.Mode)
usage = ResponseText2Usage(responseText, meta.ActualModelName, meta.PromptTokens)
} else {
err, usage = Handler(c, resp, meta.PromptTokens, meta.ActualModelName)
}
return
}
func (a *Adaptor) GetModelList() []string {
_, modelList := GetCompatibleChannelMeta(a.ChannelType)
return modelList
}
func (a *Adaptor) GetChannelName() string {
channelName, _ := GetCompatibleChannelMeta(a.ChannelType)
return channelName
}