new-api/relay/channel/vertex-claude/adaptor.go
2024-06-23 20:21:42 +08:00

84 lines
2.2 KiB
Go

package vertex_claude
import (
"errors"
"fmt"
"github.com/gin-gonic/gin"
"io"
"net/http"
"one-api/dto"
"one-api/relay/channel"
relaycommon "one-api/relay/common"
"strings"
)
const (
// LOCATION europe-west1 or us-east5
LOCATION = "us-east5"
)
type Adaptor struct {
}
func (a *Adaptor) Init(info *relaycommon.RelayInfo, request dto.GeneralOpenAIRequest) {
}
func (a *Adaptor) GetRequestURL(info *relaycommon.RelayInfo) (string, error) {
parts := strings.SplitN(info.ApiKey, "|", 2)
if len(parts) != 2 {
return "", fmt.Errorf("invalid api key: %s", info.ApiKey)
}
projectId := strings.TrimSpace(parts[0])
model, err := getRedirectModel(info.UpstreamModelName)
if err != nil {
return "", err
}
return fmt.Sprintf("https://%s-aiplatform.googleapis.com/v1/projects/%s/locations/%s/publishers/anthropic/models/%s:streamRawPredict", LOCATION, projectId, LOCATION, model), nil
}
func (a *Adaptor) SetupRequestHeader(c *gin.Context, req *http.Request, info *relaycommon.RelayInfo) error {
channel.SetupApiRequestHeader(info, c, req)
parts := strings.SplitN(info.ApiKey, "|", 2)
if len(parts) != 2 {
return fmt.Errorf("invalid api key: %s", info.ApiKey)
}
json := strings.TrimSpace(parts[1])
accessToken, err := getAccessToken(json)
if err != nil {
return err
}
req.Header.Set("Authorization", "Bearer "+accessToken)
return nil
}
func (a *Adaptor) ConvertRequest(c *gin.Context, _ int, request *dto.GeneralOpenAIRequest) (any, error) {
if request == nil {
return nil, errors.New("request is nil")
}
return requestOpenAI2VertexClaude(*request)
}
func (a *Adaptor) DoRequest(c *gin.Context, info *relaycommon.RelayInfo, requestBody io.Reader) (*http.Response, error) {
return channel.DoApiRequest(a, c, info, requestBody)
}
func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo) (usage *dto.Usage, err *dto.OpenAIErrorWithStatusCode) {
if info.IsStream {
err, usage = vertexClaudeStreamHandler(c, resp)
} else {
err, usage = vertexClaudeHandler(c, resp)
}
return
}
func (a *Adaptor) GetModelList() (models []string) {
for n := range modelIdMap {
models = append(models, n)
}
return
}
func (a *Adaptor) GetChannelName() string {
return ChannelName
}