feat(error): Enhance error handling with optional detailed error messages

controller/channel-test.go

@@ -125,7 +125,7 @@ func testChannel(channel *model.Channel, testModel string) (err error, openAIErr
 	if resp != nil {
 		httpResp = resp.(*http.Response)
 		if httpResp.StatusCode != http.StatusOK {
-			err := service.RelayErrorHandler(httpResp)
+			err := service.RelayErrorHandler(httpResp, true)
 			return fmt.Errorf("status code %d: %s", httpResp.StatusCode, err.Error.Message), err
 		}
 	}

relay/relay-audio.go

@@ -117,7 +117,7 @@ func AudioHelper(c *gin.Context) (openaiErr *dto.OpenAIErrorWithStatusCode) {
 	if resp != nil {
 		httpResp = resp.(*http.Response)
 		if httpResp.StatusCode != http.StatusOK {
-			openaiErr = service.RelayErrorHandler(httpResp)
+			openaiErr = service.RelayErrorHandler(httpResp, false)
 			// reset status code 重置状态码
 			service.ResetStatusCode(openaiErr, statusCodeMappingStr)
 			return openaiErr

relay/relay-image.go

@@ -155,7 +155,7 @@ func ImageHelper(c *gin.Context) *dto.OpenAIErrorWithStatusCode {
 		httpResp = resp.(*http.Response)
 		relayInfo.IsStream = relayInfo.IsStream || strings.HasPrefix(httpResp.Header.Get("Content-Type"), "text/event-stream")
 		if httpResp.StatusCode != http.StatusOK {
-			openaiErr := service.RelayErrorHandler(httpResp)
+			openaiErr := service.RelayErrorHandler(httpResp, false)
 			// reset status code 重置状态码
 			service.ResetStatusCode(openaiErr, statusCodeMappingStr)
 			return openaiErr

relay/relay-text.go

@@ -183,7 +183,7 @@ func TextHelper(c *gin.Context) (openaiErr *dto.OpenAIErrorWithStatusCode) {
 		httpResp = resp.(*http.Response)
 		relayInfo.IsStream = relayInfo.IsStream || strings.HasPrefix(httpResp.Header.Get("Content-Type"), "text/event-stream")
 		if httpResp.StatusCode != http.StatusOK {
-			openaiErr = service.RelayErrorHandler(httpResp)
+			openaiErr = service.RelayErrorHandler(httpResp, false)
 			// reset status code 重置状态码
 			service.ResetStatusCode(openaiErr, statusCodeMappingStr)
 			return openaiErr

relay/relay_embedding.go

@@ -98,7 +98,7 @@ func EmbeddingHelper(c *gin.Context) (openaiErr *dto.OpenAIErrorWithStatusCode)
 	if resp != nil {
 		httpResp = resp.(*http.Response)
 		if httpResp.StatusCode != http.StatusOK {
-			openaiErr = service.RelayErrorHandler(httpResp)
+			openaiErr = service.RelayErrorHandler(httpResp, false)
 			// reset status code 重置状态码
 			service.ResetStatusCode(openaiErr, statusCodeMappingStr)
 			return openaiErr

relay/relay_rerank.go

@@ -90,7 +90,7 @@ func RerankHelper(c *gin.Context, relayMode int) (openaiErr *dto.OpenAIErrorWith
 	if resp != nil {
 		httpResp = resp.(*http.Response)
 		if httpResp.StatusCode != http.StatusOK {
-			openaiErr = service.RelayErrorHandler(httpResp)
+			openaiErr = service.RelayErrorHandler(httpResp, false)
 			// reset status code 重置状态码
 			service.ResetStatusCode(openaiErr, statusCodeMappingStr)
 			return openaiErr

service/error.go

@@ -50,7 +50,7 @@ func OpenAIErrorWrapperLocal(err error, code string, statusCode int) *dto.OpenAI
 	return openaiErr
 }
 
-func RelayErrorHandler(resp *http.Response) (errWithStatusCode *dto.OpenAIErrorWithStatusCode) {
+func RelayErrorHandler(resp *http.Response, showBodyWhenFail bool) (errWithStatusCode *dto.OpenAIErrorWithStatusCode) {
 	errWithStatusCode = &dto.OpenAIErrorWithStatusCode{
 		StatusCode: resp.StatusCode,
 		Error: dto.OpenAIError{
@@ -70,6 +70,11 @@ func RelayErrorHandler(resp *http.Response) (errWithStatusCode *dto.OpenAIErrorW
 	var errResponse dto.GeneralErrorResponse
 	err = json.Unmarshal(responseBody, &errResponse)
 	if err != nil {
+		if showBodyWhenFail {
+			errWithStatusCode.Error.Message = string(responseBody)
+		} else {
+			errWithStatusCode.Error.Message = fmt.Sprintf("bad response status code %d", resp.StatusCode)
+		}
 		return
 	}
 	if errResponse.Error.Message != "" {