mirror of https://github.com/velour/catbase.git
109 lines
2.7 KiB
Go
109 lines
2.7 KiB
Go
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package talklikeapirate
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import (
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"context"
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"errors"
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"fmt"
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"github.com/google/generative-ai-go/genai"
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"github.com/rs/zerolog/log"
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"github.com/velour/catbase/bot"
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"github.com/velour/catbase/config"
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"google.golang.org/api/option"
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)
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// TalkLikeAPiratePlugin reimplements the send function
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// with an AI intermediate.
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type TalkLikeAPiratePlugin struct {
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client *genai.Client
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prompt string
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b bot.Bot
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c *config.Config
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}
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func New(c *config.Config) *TalkLikeAPiratePlugin {
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p := &TalkLikeAPiratePlugin{
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c: c,
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}
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return p
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}
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func (p *TalkLikeAPiratePlugin) Filter(input string) (string, error) {
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if !p.c.GetBool("talklikeapirate.enabled", false) {
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return input, nil
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}
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if p.client == nil {
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var err error
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p.client, err = p.getClient()
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if err != nil {
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return input, err
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}
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}
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model, err := p.GetModel()
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if err != nil {
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log.Error().Err(err).Send()
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return input, err
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}
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res, err := model.GenerateContent(context.Background(), genai.Text(input))
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if err != nil {
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log.Error().Err(err).Send()
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return input, err
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}
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if len(res.Candidates) == 0 {
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err := errors.New("no candidates found")
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log.Error().Err(err).Send()
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return input, err
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}
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// Need to check here that we got an actual completion, not a
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// warning about bad content. FinishReason exists on Completion.
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completion := ""
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for _, p := range res.Candidates[0].Content.Parts {
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completion += fmt.Sprintf("%s", p)
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}
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return completion, nil
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}
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func (p *TalkLikeAPiratePlugin) GetModel() (*genai.GenerativeModel, error) {
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model := p.client.GenerativeModel(p.c.Get("gemini.model", "gemini-1.5-flash"))
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model.SetMaxOutputTokens(int32(p.c.GetInt("gemini.maxtokens", 100)))
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model.SetTopP(float32(p.c.GetFloat64("gemini.topp", 0.95)))
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model.SetTopK(int32(p.c.GetInt("gemini.topk", 20)))
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model.SetTemperature(float32(p.c.GetFloat64("gemini.temp", 0.9)))
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model.SafetySettings = []*genai.SafetySetting{
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{genai.HarmCategoryHarassment, genai.HarmBlockNone},
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{genai.HarmCategoryHateSpeech, genai.HarmBlockNone},
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{genai.HarmCategorySexuallyExplicit, genai.HarmBlockNone},
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{genai.HarmCategoryDangerousContent, genai.HarmBlockNone},
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}
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if prompt := p.c.Get("talklikeapirate.systemprompt", ""); prompt != "" {
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model.SystemInstruction = &genai.Content{
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Parts: []genai.Part{genai.Text(prompt)},
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}
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} else {
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return nil, errors.New("no system prompt selected")
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}
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return model, nil
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}
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func (p *TalkLikeAPiratePlugin) getClient() (*genai.Client, error) {
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ctx := context.Background()
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key := p.c.Get("GEMINI_API_KEY", "")
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if key == "" {
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return nil, errors.New("missing GEMINI_API_KEY")
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}
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client, err := genai.NewClient(ctx, option.WithAPIKey(key))
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if err != nil {
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return nil, err
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}
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return client, nil
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}
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