78 lines
1.8 KiB
Go
78 lines
1.8 KiB
Go
package client
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import (
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"encoding/json"
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"errors"
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"github.com/google/uuid"
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)
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type ToolHandlerInfo struct {
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UserId uuid.UUID
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ImageId uuid.UUID
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}
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type ToolHandler struct {
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Fn func(info ToolHandlerInfo, args string, call ToolCall) (string, error)
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}
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type ToolsHandlers struct {
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handlers *map[string]ToolHandler
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}
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var NoToolCallError = errors.New("An assistant tool call with no tool calls was provided.")
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func (handler ToolsHandlers) Handle(info ToolHandlerInfo, toolCallMessage AgentAssistantToolCall) ([]AgentTextMessage, error) {
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if len(toolCallMessage.ToolCalls) == 0 {
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return []AgentTextMessage{}, NoToolCallError
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}
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responses := make([]AgentTextMessage, len(toolCallMessage.ToolCalls))
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for i, toolCall := range toolCallMessage.ToolCalls {
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fnName := toolCall.Function.Name
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arguments := toolCall.Function.Arguments
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fnHandler, exists := (*handler.handlers)[fnName]
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if !exists {
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return []AgentTextMessage{}, errors.New("Could not find tool with this name.")
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}
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res, err := fnHandler.Fn(info, arguments, toolCallMessage.ToolCalls[0])
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responseMessage := AgentTextMessage{
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Role: "tool",
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Name: fnName,
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ToolCallId: toolCall.Id,
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}
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if err != nil {
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responseMessage.Content = err.Error()
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} else {
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responseMessage.Content = res
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}
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responses[i] = responseMessage
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}
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return responses, nil
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}
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func (handler ToolsHandlers) AddTool(name string, fn func(info ToolHandlerInfo, args string, call ToolCall) (any, error)) {
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(*handler.handlers)[name] = ToolHandler{
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Fn: func(info ToolHandlerInfo, args string, call ToolCall) (string, error) {
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res, err := fn(info, args, call)
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if err != nil {
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return "", err
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}
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marshalledRes, err := json.Marshal(res)
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if err != nil {
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return "", err
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}
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return string(marshalledRes), nil
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},
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}
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}
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