refactor: replace hardcoded string with ctxkey constant (#1579)

Co-authored-by: 江杭辉 <jianghanghui@k.app>

common/ctxkey/key.go

@@ -19,4 +19,5 @@ const (
 	TokenName         = "token_name"
 	BaseURL           = "base_url"
 	AvailableModels   = "available_models"
+	KeyRequestBody    = "key_request_body"
 )

common/gin.go

@@ -4,14 +4,13 @@ import (
 	"bytes"
 	"encoding/json"
 	"github.com/gin-gonic/gin"
+	"github.com/songquanpeng/one-api/common/ctxkey"
 	"io"
 	"strings"
 )
 
-const KeyRequestBody = "key_request_body"
-
 func GetRequestBody(c *gin.Context) ([]byte, error) {
-	requestBody, _ := c.Get(KeyRequestBody)
+	requestBody, _ := c.Get(ctxkey.KeyRequestBody)
 	if requestBody != nil {
 		return requestBody.([]byte), nil
 	}
@@ -20,7 +19,7 @@ func GetRequestBody(c *gin.Context) ([]byte, error) {
 		return nil, err
 	}
 	_ = c.Request.Body.Close()
-	c.Set(KeyRequestBody, requestBody)
+	c.Set(ctxkey.KeyRequestBody, requestBody)
 	return requestBody.([]byte), nil
 }
 

controller/relay.go

@@ -48,7 +48,7 @@ func Relay(c *gin.Context) {
 		logger.Debugf(ctx, "request body: %s", string(requestBody))
 	}
 	channelId := c.GetInt(ctxkey.ChannelId)
-	userId := c.GetInt("id")
+	userId := c.GetInt(ctxkey.Id)
 	bizErr := relayHelper(c, relayMode)
 	if bizErr == nil {
 		monitor.Emit(channelId, true)