Function ClaudeHelper

relay/claude_handler.go:36–151

(c *gin.Context)

}

func ClaudeHelper(c *gin.Context) (newAPIError *types.NewAPIError) {

	relayInfo := relaycommon.GenRelayInfoClaude(c)

	// get & validate textRequest 获取并验证文本请求
	textRequest, err := getAndValidateClaudeRequest(c)
	if err != nil {
		return types.NewError(err, types.ErrorCodeInvalidRequest)
	}

	if textRequest.Stream {
		relayInfo.IsStream = true
	}

	err = helper.ModelMappedHelper(c, relayInfo, textRequest)
	if err != nil {
		return types.NewError(err, types.ErrorCodeChannelModelMappedError)
	}

	promptTokens, err := getClaudePromptTokens(textRequest, relayInfo)
	// count messages token error 计算promptTokens错误
	if err != nil {
		return types.NewError(err, types.ErrorCodeCountTokenFailed)
	}

	priceData, err := helper.ModelPriceHelper(c, relayInfo, promptTokens, int(textRequest.MaxTokens))
	if err != nil {
		return types.NewError(err, types.ErrorCodeModelPriceError)
	}

	// pre-consume quota 预消耗配额
	preConsumedQuota, userQuota, newAPIError := preConsumeQuota(c, priceData.ShouldPreConsumedQuota, relayInfo)

	if newAPIError != nil {
		return newAPIError
	}
	defer func() {
		if newAPIError != nil {
			returnPreConsumedQuota(c, relayInfo, userQuota, preConsumedQuota)
		}
	}()

	adaptor := GetAdaptor(relayInfo.ApiType)
	if adaptor == nil {
		return types.NewError(fmt.Errorf("invalid api type: %d", relayInfo.ApiType), types.ErrorCodeInvalidApiType)
	}
	adaptor.Init(relayInfo)
	var requestBody io.Reader

	if textRequest.MaxTokens == 0 {
		textRequest.MaxTokens = uint(model_setting.GetClaudeSettings().GetDefaultMaxTokens(textRequest.Model))
	}

	if model_setting.GetClaudeSettings().ThinkingAdapterEnabled &&
		strings.HasSuffix(textRequest.Model, "-thinking") {
		if textRequest.Thinking == nil {
			// 因为BudgetTokens 必须大于1024
			if textRequest.MaxTokens < 1280 {