✨ feat: Support channel setting chat only

model/balancer.go

@@ -21,6 +21,20 @@ type ChannelsChooser struct {
 	Match    []string
 }
 
+type ChannelsFilterFunc func(channelId int, choice *ChannelChoice) bool
+
+func FilterChannelId(skipChannelId int) ChannelsFilterFunc {
+	return func(channelId int, choice *ChannelChoice) bool {
+		return skipChannelId > 0 && channelId == skipChannelId
+	}
+}
+
+func FilterOnlyChat() ChannelsFilterFunc {
+	return func(channelId int, choice *ChannelChoice) bool {
+		return choice.Channel.OnlyChat
+	}
+}
+
 func (cc *ChannelsChooser) Cooldowns(channelId int) bool {
 	if common.RetryCooldownSeconds == 0 {
 		return false
@@ -35,20 +49,31 @@ func (cc *ChannelsChooser) Cooldowns(channelId int) bool {
 	return true
 }
 
-func (cc *ChannelsChooser) balancer(channelIds []int, skipChannelId int) *Channel {
+func (cc *ChannelsChooser) balancer(channelIds []int, filters []ChannelsFilterFunc) *Channel {
 	nowTime := time.Now().Unix()
 	totalWeight := 0
 
 	validChannels := make([]*ChannelChoice, 0, len(channelIds))
 	for _, channelId := range channelIds {
-		if skipChannelId > 0 && channelId == skipChannelId {
+		choice, ok := cc.Channels[channelId]
+		if !ok || choice.CooldownsTime >= nowTime {
 			continue
 		}
-		if choice, ok := cc.Channels[channelId]; ok && choice.CooldownsTime < nowTime {
-			weight := int(*choice.Channel.Weight)
-			totalWeight += weight
-			validChannels = append(validChannels, choice)
+
+		isSkip := false
+		for _, filter := range filters {
+			if filter(channelId, choice) {
+				isSkip = true
+				break
+			}
 		}
+		if isSkip {
+			continue
+		}
+
+		weight := int(*choice.Channel.Weight)
+		totalWeight += weight
+		validChannels = append(validChannels, choice)
 	}
 
 	if len(validChannels) == 0 {
@@ -71,7 +96,7 @@ func (cc *ChannelsChooser) balancer(channelIds []int, skipChannelId int) *Channe
 	return nil
 }
 
-func (cc *ChannelsChooser) Next(group, modelName string, skipChannelId int) (*Channel, error) {
+func (cc *ChannelsChooser) Next(group, modelName string, filters ...ChannelsFilterFunc) (*Channel, error) {
 	cc.RLock()
 	defer cc.RUnlock()
 	if _, ok := cc.Rule[group]; !ok {
@@ -92,7 +117,7 @@ func (cc *ChannelsChooser) Next(group, modelName string, skipChannelId int) (*Ch
 	}
 
 	for _, priority := range channelsPriority {
-		channel := cc.balancer(priority, skipChannelId)
+		channel := cc.balancer(priority, filters)
 		if channel != nil {
 			return channel, nil
 		}

model/channel.go

@@ -29,6 +29,7 @@ type Channel struct {
 	Priority           *int64  `json:"priority" gorm:"bigint;default:0"`
 	Proxy              *string `json:"proxy" gorm:"type:varchar(255);default:''"`
 	TestModel          string  `json:"test_model" form:"test_model" gorm:"type:varchar(50);default:''"`
+	OnlyChat           bool    `json:"only_chat" form:"only_chat" gorm:"default:false"`
 
 	Plugin *datatypes.JSONType[PluginType] `json:"plugin" form:"plugin" gorm:"type:json"`
 }

relay/chat.go

@@ -32,6 +32,10 @@ func (r *relayChat) setRequest() error {
 		return errors.New("max_tokens is invalid")
 	}
 
+	if r.chatRequest.Tools != nil {
+		r.c.Set("skip_only_chat", true)
+	}
+
 	r.originalModel = r.chatRequest.Model
 
 	return nil

relay/common.go

@@ -101,7 +101,16 @@ func fetchChannelById(channelId int) (*model.Channel, error) {
 func fetchChannelByModel(c *gin.Context, modelName string) (*model.Channel, error) {
 	group := c.GetString("group")
 	skip_channel_id := c.GetInt("skip_channel_id")
-	channel, err := model.ChannelGroup.Next(group, modelName, skip_channel_id)
+	skip_only_chat := c.GetBool("skip_only_chat")
+	var filters []model.ChannelsFilterFunc
+	if skip_only_chat {
+		filters = append(filters, model.FilterOnlyChat())
+	}
+	if skip_channel_id > 0 {
+		filters = append(filters, model.FilterChannelId(skip_channel_id))
+	}
+
+	channel, err := model.ChannelGroup.Next(group, modelName, filters...)
 	if err != nil {
 		message := fmt.Sprintf("当前分组 %s 下对于模型 %s 无可用渠道", group, modelName)
 		if channel != nil {

web/src/views/Channel/component/EditModal.js

@@ -629,6 +629,22 @@ const EditModal = ({ open, channelId, onCancel, onOk, groupOptions }) => {
                   )}
                 </FormControl>
               )}
+              {inputPrompt.only_chat && (
+                <FormControl fullWidth>
+                  <FormControlLabel
+                    control={
+                      <Switch
+                        checked={values.only_chat === true}
+                        onClick={() => {
+                          setFieldValue('only_chat', !values.only_chat);
+                        }}
+                      />
+                    }
+                    label={inputLabel.only_chat}
+                  />
+                  <FormHelperText id="helper-tex-only_chat_model-label"> {inputPrompt.only_chat} </FormHelperText>
+                </FormControl>
+              )}
               {pluginList[values.type] &&
                 Object.keys(pluginList[values.type]).map((pluginId) => {
                   const plugin = pluginList[values.type][pluginId];

web/src/views/Channel/type/Config.js

@@ -10,7 +10,8 @@ const defaultConfig = {
     model_mapping: '',
     models: [],
     groups: ['default'],
-    plugin: {}
+    plugin: {},
+    only_chat: false
   },
   inputLabel: {
     name: '渠道名称',
@@ -22,7 +23,8 @@ const defaultConfig = {
     test_model: '测速模型',
     models: '模型',
     model_mapping: '模型映射关系',
-    groups: '用户组'
+    groups: '用户组',
+    only_chat: '仅支持聊天'
   },
   prompt: {
     type: '请选择渠道类型',
@@ -36,7 +38,8 @@ const defaultConfig = {
       '请选择该渠道所支持的模型,你也可以输入通配符*来匹配模型，例如：gpt-3.5*，表示支持所有gpt-3.5开头的模型，*号只能在最后一位使用，前面必须有字符，例如：gpt-3.5*是正确的，*gpt-3.5是错误的',
     model_mapping:
       '请输入要修改的模型映射关系，格式为：api请求模型ID:实际转发给渠道的模型ID，使用JSON数组表示，例如：{"gpt-3.5": "gpt-35"}',
-    groups: '请选择该渠道所支持的用户组'
+    groups: '请选择该渠道所支持的用户组',
+    only_chat: '如果选择了仅支持聊天，那么遇到有函数调用的请求会跳过该渠道'
   },
   modelGroup: 'OpenAI'
 };