71 lines
1.5 KiB
Go
71 lines
1.5 KiB
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package main
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import (
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"context"
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"math/rand"
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"strings"
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"sync"
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"time"
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"github.com/mattn/go-mastodon"
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)
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func genToot(ctx context.Context, me *mastodon.Account, replyTo *mastodon.Status) *mastodon.Toot {
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var replyToID mastodon.ID
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visibility := "public"
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var body []byte
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var seed string
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if replyTo != nil {
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replyToID = replyTo.ID
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visibility = replyTo.Visibility
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seed = cleanContent(replyTo.Content)
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body = append(body, '@')
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body = append(body, replyTo.Account.Acct...)
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body = append(body, ' ')
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for _, m := range replyTo.Mentions {
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if m.ID != me.ID && m.ID != replyTo.Account.ID {
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body = append(body, '@')
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body = append(body, m.Acct...)
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body = append(body, ' ')
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}
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}
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}
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body = append(body, generateMessage(ctx, seed)...)
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return &mastodon.Toot{
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Status: string(body),
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Visibility: visibility,
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InReplyToID: replyToID,
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}
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}
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var rngPool = sync.Pool{
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New: func() interface{} {
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return rand.New(rand.NewSource(time.Now().UnixNano()))
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},
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}
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func generateMessage(ctx context.Context, seed string) string {
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r := rngPool.Get().(*rand.Rand)
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defer rngPool.Put(r)
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words := strings.Fields(seed)
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if len(words) != 0 {
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for i := 0; i < 10; i++ {
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if line := genMarkov(r, words[r.Intn(len(words))]); line != nil {
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return strings.Join(line, " ")
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}
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}
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}
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return strings.Join(genMarkov(r, ""), " ")
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}
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