feat: 兼容OpenAI格式下设置gemini模型联网搜索 #615

relay/channel/gemini/dto.go

@@ -34,6 +34,7 @@ type GeminiChatSafetySettings struct {
 }
 
 type GeminiChatTools struct {
+	GoogleSearch         any `json:"googleSearch,omitempty"`
 	FunctionDeclarations any `json:"functionDeclarations,omitempty"`
 }
 

relay/channel/gemini/relay-gemini.go

@@ -45,13 +45,25 @@ func CovertGemini2OpenAI(textRequest dto.GeneralOpenAIRequest) *GeminiChatReques
 	}
 	if textRequest.Tools != nil {
 		functions := make([]dto.FunctionCall, 0, len(textRequest.Tools))
+		googleSearch := false
 		for _, tool := range textRequest.Tools {
+			if tool.Function.Name == "googleSearch" {
+				googleSearch = true
+				continue
+			}
 			functions = append(functions, tool.Function)
 		}
-		geminiRequest.Tools = []GeminiChatTools{
-			{
-				FunctionDeclarations: functions,
-			},
+		if len(functions) > 0 {
+			geminiRequest.Tools = []GeminiChatTools{
+				{
+					FunctionDeclarations: functions,
+				},
+			}
+		}
+		if googleSearch {
+			geminiRequest.Tools = append(geminiRequest.Tools, GeminiChatTools{
+				GoogleSearch: make(map[string]string),
+			})
 		}
 	} else if textRequest.Functions != nil {
 		geminiRequest.Tools = []GeminiChatTools{
@@ -134,7 +146,6 @@ func CovertGemini2OpenAI(textRequest dto.GeneralOpenAIRequest) *GeminiChatReques
 			shouldAddDummyModelMessage = false
 		}
 	}
-
 	return &geminiRequest
 }