添加同步上游模型列表按钮：添加提示以及支持已有渠道获取

controller/channel.go

@@ -1,6 +1,8 @@
 package controller
 
 import (
+	"encoding/json"
+	"fmt"
 	"github.com/gin-gonic/gin"
 	"net/http"
 	"one-api/common"
@@ -9,6 +11,34 @@ import (
 	"strings"
 )
 
+type OpenAIModel struct {
+	ID         string `json:"id"`
+	Object     string `json:"object"`
+	Created    int64  `json:"created"`
+	OwnedBy    string `json:"owned_by"`
+	Permission []struct {
+		ID                 string `json:"id"`
+		Object             string `json:"object"`
+		Created            int64  `json:"created"`
+		AllowCreateEngine  bool   `json:"allow_create_engine"`
+		AllowSampling      bool   `json:"allow_sampling"`
+		AllowLogprobs      bool   `json:"allow_logprobs"`
+		AllowSearchIndices bool   `json:"allow_search_indices"`
+		AllowView          bool   `json:"allow_view"`
+		AllowFineTuning    bool   `json:"allow_fine_tuning"`
+		Organization       string `json:"organization"`
+		Group              string `json:"group"`
+		IsBlocking         bool   `json:"is_blocking"`
+	} `json:"permission"`
+	Root   string `json:"root"`
+	Parent string `json:"parent"`
+}
+
+type OpenAIModelsResponse struct {
+	Data    []OpenAIModel `json:"data"`
+	Success bool          `json:"success"`
+}
+
 func GetAllChannels(c *gin.Context) {
 	p, _ := strconv.Atoi(c.Query("p"))
 	pageSize, _ := strconv.Atoi(c.Query("page_size"))
@@ -35,6 +65,65 @@ func GetAllChannels(c *gin.Context) {
 	return
 }
 
+func FetchUpstreamModels(c *gin.Context) {
+	id, err := strconv.Atoi(c.Param("id"))
+	if err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": err.Error(),
+		})
+		return
+	}
+	channel, err := model.GetChannelById(id, true)
+	if err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": err.Error(),
+		})
+		return
+	}
+	if channel.Type != common.ChannelTypeOpenAI {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": "仅支持 OpenAI 类型渠道",
+		})
+		return
+	}
+	url := fmt.Sprintf("%s/v1/models", *channel.BaseURL)
+	body, err := GetResponseBody("GET", url, channel, GetAuthHeader(channel.Key))
+	if err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": err.Error(),
+		})
+	}
+	result := OpenAIModelsResponse{}
+	err = json.Unmarshal(body, &result)
+	if err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": err.Error(),
+		})
+	}
+	if !result.Success {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": "上游返回错误",
+		})
+	}
+
+	var ids []string
+	for _, model := range result.Data {
+		ids = append(ids, model.ID)
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"success": true,
+		"message": "",
+		"data":    ids,
+	})
+}
+
 func FixChannelsAbilities(c *gin.Context) {
 	count, err := model.FixAbility()
 	if err != nil {