Noah Petherbridge
cbd7816fdf
The Default handler of the developer command shell now calls out to RiveScript to match the user's message to a friendly reply. If RiveScript returns NoReplyMatched then give the "command not found" error.
95 lines
2.0 KiB
Go
95 lines
2.0 KiB
Go
// Package chatbot provides the RiveScript bot that lives in the developer shell.
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package chatbot
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import (
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"errors"
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"git.kirsle.net/apps/doodle/assets"
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"git.kirsle.net/apps/doodle/pkg/log"
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"github.com/aichaos/rivescript-go"
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)
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var (
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Bot *rivescript.RiveScript
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Username = "player"
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)
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// RiveScript source code snippets to be SURE get included even if
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// the external brain fails to load.
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const (
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RiveScriptBase = `
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! array boolean = true false t f on off yes no 1 0
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+ echo *
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- <call>echo *</call>
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+ error *
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- <call>error *</call>
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+ alert *
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- <call>alert *</call>
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+ boolprop * (@boolean)
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- <call>boolprop <star1> <star2></call>
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+ rivescript command *
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@ <star>
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`
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RiveScriptBasic = `
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+ hello *
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- Hello <id>.
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`
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)
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// Bind functions.
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type Functions struct {
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Echo func(string)
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Error func(string)
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Alert func(string)
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Confirm func(string)
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New func()
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Save func()
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Edit func()
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Play func()
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Close func()
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TitleScreen func(string)
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BoolProp func(string, bool)
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}
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// Setup the RiveScript interpreter.
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func Setup() {
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log.Info("Initializing chatbot")
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Bot = rivescript.New(rivescript.WithUTF8())
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if err := Bot.Stream(RiveScriptBase + RiveScriptBasic); err != nil {
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log.Error("Error streaming RiveScript base: %s", err)
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}
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// Load all the built-in .rive scripts.
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if filenames, err := assets.AssetDir("assets/rivescript"); err == nil {
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for _, filename := range filenames {
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if data, err := assets.Asset("assets/rivescript/" + filename); err == nil {
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err = Bot.Stream(string(data))
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if err != nil {
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log.Error("RiveScript.Stream(%s): %s", filename, err)
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}
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} else {
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log.Error("chatbot.Setup: Asset(%s): %s", filename, err)
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}
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}
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} else {
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log.Error("chatbot.Setup: AssetDir: %s", err)
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}
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Bot.SortReplies()
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}
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// Handle a message from the user.
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func Handle(message string) (string, error) {
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if Bot != nil {
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return Bot.Reply(Username, message)
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}
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return "", errors.New("bot not ready")
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}
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