feat: add gemini tool_calls finish reason

constant/finish_reason.go

+package constant
+
+var (
+	FinishReasonStop      = "stop"
+	FinishReasonToolCalls = "tool_calls"
+)

relay/channel/baidu/relay-baidu.go

@@ -9,8 +9,8 @@ import (
 	"io"
 	"net/http"
 	"one-api/common"
+	"one-api/constant"
 	"one-api/dto"
-	relaycommon "one-api/relay/common"
 	"one-api/service"
 	"strings"
 	"sync"
@@ -75,7 +75,7 @@ func streamResponseBaidu2OpenAI(baiduResponse *BaiduChatStreamResponse) *dto.Cha
 	var choice dto.ChatCompletionsStreamResponseChoice
 	choice.Delta.SetContentString(baiduResponse.Result)
 	if baiduResponse.IsEnd {
-		choice.FinishReason = &relaycommon.StopFinishReason
+		choice.FinishReason = &constant.FinishReasonStop
 	}
 	response := dto.ChatCompletionsStreamResponse{
 		Id:      baiduResponse.Id,

relay/channel/gemini/relay-gemini.go

@@ -8,6 +8,7 @@ import (
 	"io"
 	"net/http"
 	"one-api/common"
+	"one-api/constant"
 	"one-api/dto"
 	relaycommon "one-api/relay/common"
 	"one-api/service"
@@ -186,10 +187,11 @@ func responseGeminiChat2OpenAI(response *GeminiChatResponse) *dto.OpenAITextResp
 				Role:    "assistant",
 				Content: content,
 			},
-			FinishReason: relaycommon.StopFinishReason,
+			FinishReason: constant.FinishReasonStop,
 		}
 		if len(candidate.Content.Parts) > 0 {
 			if candidate.Content.Parts[0].FunctionCall != nil {
+				choice.FinishReason = constant.FinishReasonToolCalls
 				choice.Message.ToolCalls = getToolCalls(&candidate)
 			} else {
 				choice.Message.SetStringContent(candidate.Content.Parts[0].Text)
@@ -262,7 +264,7 @@ func GeminiChatStreamHandler(c *gin.Context, resp *http.Response, info *relaycom
 		}
 	}
 
-	response := service.GenerateStopResponse(id, createAt, info.UpstreamModelName, relaycommon.StopFinishReason)
+	response := service.GenerateStopResponse(id, createAt, info.UpstreamModelName, constant.FinishReasonStop)
 	service.ObjectData(c, response)
 
 	usage.TotalTokens = usage.PromptTokens + usage.CompletionTokens

relay/channel/palm/relay-palm.go

@@ -7,8 +7,8 @@ import (
 	"io"
 	"net/http"
 	"one-api/common"
+	"one-api/constant"
 	"one-api/dto"
-	relaycommon "one-api/relay/common"
 	"one-api/service"
 )
 
@@ -63,7 +63,7 @@ func streamResponsePaLM2OpenAI(palmResponse *PaLMChatResponse) *dto.ChatCompleti
 	if len(palmResponse.Candidates) > 0 {
 		choice.Delta.SetContentString(palmResponse.Candidates[0].Content)
 	}
-	choice.FinishReason = &relaycommon.StopFinishReason
+	choice.FinishReason = &constant.FinishReasonStop
 	var response dto.ChatCompletionsStreamResponse
 	response.Object = "chat.completion.chunk"
 	response.Model = "palm2"

relay/channel/tencent/relay-tencent.go

@@ -12,8 +12,8 @@ import (
 	"io"
 	"net/http"
 	"one-api/common"
+	"one-api/constant"
 	"one-api/dto"
-	relaycommon "one-api/relay/common"
 	"one-api/service"
 	"strconv"
 	"strings"
@@ -81,7 +81,7 @@ func streamResponseTencent2OpenAI(TencentResponse *TencentChatResponse) *dto.Cha
 		var choice dto.ChatCompletionsStreamResponseChoice
 		choice.Delta.SetContentString(TencentResponse.Choices[0].Delta.Content)
 		if TencentResponse.Choices[0].FinishReason == "stop" {
-			choice.FinishReason = &relaycommon.StopFinishReason
+			choice.FinishReason = &constant.FinishReasonStop
 		}
 		response.Choices = append(response.Choices, choice)
 	}

relay/channel/xunfei/relay-xunfei.go

@@ -12,8 +12,8 @@ import (
 	"net/http"
 	"net/url"
 	"one-api/common"
+	"one-api/constant"
 	"one-api/dto"
-	relaycommon "one-api/relay/common"
 	"one-api/service"
 	"strings"
 	"time"
@@ -67,7 +67,7 @@ func responseXunfei2OpenAI(response *XunfeiChatResponse) *dto.OpenAITextResponse
 			Role:    "assistant",
 			Content: content,
 		},
-		FinishReason: relaycommon.StopFinishReason,
+		FinishReason: constant.FinishReasonStop,
 	}
 	fullTextResponse := dto.OpenAITextResponse{
 		Object:  "chat.completion",
@@ -89,7 +89,7 @@ func streamResponseXunfei2OpenAI(xunfeiResponse *XunfeiChatResponse) *dto.ChatCo
 	var choice dto.ChatCompletionsStreamResponseChoice
 	choice.Delta.SetContentString(xunfeiResponse.Payload.Choices.Text[0].Content)
 	if xunfeiResponse.Payload.Choices.Status == 2 {
-		choice.FinishReason = &relaycommon.StopFinishReason
+		choice.FinishReason = &constant.FinishReasonStop
 	}
 	response := dto.ChatCompletionsStreamResponse{
 		Object:  "chat.completion.chunk",

relay/channel/zhipu/relay-zhipu.go

@@ -8,8 +8,8 @@ import (
 	"io"
 	"net/http"
 	"one-api/common"
+	"one-api/constant"
 	"one-api/dto"
-	relaycommon "one-api/relay/common"
 	"one-api/service"
 	"strings"
 	"sync"
@@ -139,7 +139,7 @@ func streamResponseZhipu2OpenAI(zhipuResponse string) *dto.ChatCompletionsStream
 func streamMetaResponseZhipu2OpenAI(zhipuResponse *ZhipuStreamMetaResponse) (*dto.ChatCompletionsStreamResponse, *dto.Usage) {
 	var choice dto.ChatCompletionsStreamResponseChoice
 	choice.Delta.SetContentString("")
-	choice.FinishReason = &relaycommon.StopFinishReason
+	choice.FinishReason = &constant.FinishReasonStop
 	response := dto.ChatCompletionsStreamResponse{
 		Id:      zhipuResponse.RequestId,
 		Object:  "chat.completion.chunk",

relay/common/relay_utils.go

@@ -10,8 +10,6 @@ import (
 	"strings"
 )
 
-var StopFinishReason = "stop"
-
 func GetFullRequestURL(baseURL string, requestURL string, channelType int) string {
 	fullRequestURL := fmt.Sprintf("%s%s", baseURL, requestURL)