chore: reorganize adaptor related package

relay/adaptor/interface.go

@@ -0,0 +1,21 @@
+package adaptor
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/songquanpeng/one-api/relay/meta"
+	"github.com/songquanpeng/one-api/relay/model"
+	"io"
+	"net/http"
+)
+
+type Adaptor interface {
+	Init(meta *meta.Meta)
+	GetRequestURL(meta *meta.Meta) (string, error)
+	SetupRequestHeader(c *gin.Context, req *http.Request, meta *meta.Meta) error
+	ConvertRequest(c *gin.Context, relayMode int, request *model.GeneralOpenAIRequest) (any, error)
+	ConvertImageRequest(request *model.ImageRequest) (any, error)
+	DoRequest(c *gin.Context, meta *meta.Meta, requestBody io.Reader) (*http.Response, error)
+	DoResponse(c *gin.Context, resp *http.Response, meta *meta.Meta) (usage *model.Usage, err *model.ErrorWithStatusCode)
+	GetModelList() []string
+	GetChannelName() string
+}