feat: support aws claude

relay/channel/aws/adaptor.go

@@ -0,0 +1,79 @@
+package aws
+
+import (
+	"errors"
+	"github.com/gin-gonic/gin"
+	"io"
+	"net/http"
+	"one-api/dto"
+	"one-api/relay/channel/claude"
+	relaycommon "one-api/relay/common"
+	"strings"
+)
+
+const (
+	RequestModeCompletion = 1
+	RequestModeMessage    = 2
+)
+
+type Adaptor struct {
+	RequestMode int
+}
+
+func (a *Adaptor) Init(info *relaycommon.RelayInfo, request dto.GeneralOpenAIRequest) {
+	if strings.HasPrefix(info.UpstreamModelName, "claude-3") {
+		a.RequestMode = RequestModeMessage
+	} else {
+		a.RequestMode = RequestModeCompletion
+	}
+}
+
+func (a *Adaptor) GetRequestURL(info *relaycommon.RelayInfo) (string, error) {
+	return "", nil
+}
+
+func (a *Adaptor) SetupRequestHeader(c *gin.Context, req *http.Request, info *relaycommon.RelayInfo) error {
+	return nil
+}
+
+func (a *Adaptor) ConvertRequest(c *gin.Context, relayMode int, request *dto.GeneralOpenAIRequest) (any, error) {
+	if request == nil {
+		return nil, errors.New("request is nil")
+	}
+
+	var claudeReq *claude.ClaudeRequest
+	var err error
+	if a.RequestMode == RequestModeCompletion {
+		claudeReq = claude.RequestOpenAI2ClaudeComplete(*request)
+	} else {
+		claudeReq, err = claude.RequestOpenAI2ClaudeMessage(*request)
+	}
+	c.Set("request_model", request.Model)
+	c.Set("converted_request", claudeReq)
+	return claudeReq, err
+}
+
+func (a *Adaptor) DoRequest(c *gin.Context, info *relaycommon.RelayInfo, requestBody io.Reader) (*http.Response, error) {
+	return nil, nil
+}
+
+func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo) (usage *dto.Usage, err *dto.OpenAIErrorWithStatusCode) {
+	if info.IsStream {
+		err, usage = awsStreamHandler(c, info, a.RequestMode)
+	} else {
+		err, usage = awsHandler(c, info, a.RequestMode)
+	}
+	return
+}
+
+func (a *Adaptor) GetModelList() (models []string) {
+	for n := range awsModelIDMap {
+		models = append(models, n)
+	}
+
+	return
+}
+
+func (a *Adaptor) GetChannelName() string {
+	return ChannelName
+}