new-api-custom/relaykit/relayconvert/internal/shared/claude/tool_choice.go

package claude

import "github.com/QuantumNous/new-api/relaykit/dto"

func MapOpenAIToolChoice(toolChoice any, parallelToolCalls *bool) *dto.ClaudeToolChoice {
	var claudeToolChoice *dto.ClaudeToolChoice

	if toolChoiceStr, ok := toolChoice.(string); ok {
		switch toolChoiceStr {
		case "auto":
			claudeToolChoice = &dto.ClaudeToolChoice{
				Type: "auto",
			}
		case "required":
			claudeToolChoice = &dto.ClaudeToolChoice{
				Type: "any",
			}
		case "none":
			claudeToolChoice = &dto.ClaudeToolChoice{
				Type: "none",
			}
		}
	} else if toolChoiceMap, ok := toolChoice.(map[string]interface{}); ok {
		if function, ok := toolChoiceMap["function"].(map[string]interface{}); ok {
			if toolName, ok := function["name"].(string); ok {
				claudeToolChoice = &dto.ClaudeToolChoice{
					Type: "tool",
					Name: toolName,
				}
			}
		}
	}

	if parallelToolCalls != nil {
		if claudeToolChoice == nil {
			claudeToolChoice = &dto.ClaudeToolChoice{
				Type: "auto",
			}
		}
		if claudeToolChoice.Type != "none" {
			claudeToolChoice.DisableParallelToolUse = !*parallelToolCalls
		}
	}

	return claudeToolChoice
}