mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2025-10-31 04:12:25 -05:00
112 lines
3.5 KiB
Go
112 lines
3.5 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package text
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import (
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"bytes"
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"context"
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"strings"
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"unicode"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/log"
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"github.com/superseriousbusiness/gotosocial/internal/regexes"
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"github.com/superseriousbusiness/gotosocial/internal/util"
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)
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func (f *formatter) ReplaceTags(ctx context.Context, in string, tags []*gtsmodel.Tag) string {
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spans := util.FindHashtagSpansInText(in)
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if len(spans) == 0 {
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return in
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}
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var b strings.Builder
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i := 0
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spans:
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for _, t := range spans {
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b.WriteString(in[i:t.First])
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i = t.Second
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tagAsEntered := in[t.First+1 : t.Second]
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for _, tag := range tags {
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if strings.EqualFold(tagAsEntered, tag.Name) {
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// replace the #tag with the formatted tag content
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// `<a href="tag.URL" class="mention hashtag" rel="tag">#<span>tagAsEntered</span></a>
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b.WriteString(`<a href="`)
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b.WriteString(tag.URL)
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b.WriteString(`" class="mention hashtag" rel="tag">#<span>`)
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b.WriteString(tagAsEntered)
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b.WriteString(`</span></a>`)
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continue spans
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}
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}
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b.WriteString(in[t.First:t.Second])
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}
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// Get the last bits.
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i = spans[len(spans)-1].Second
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b.WriteString(in[i:])
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return b.String()
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}
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func (f *formatter) ReplaceMentions(ctx context.Context, in string, mentions []*gtsmodel.Mention) string {
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return regexes.ReplaceAllStringFunc(regexes.MentionFinder, in, func(match string, buf *bytes.Buffer) string {
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// we have a match, trim any spaces
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matchTrimmed := strings.TrimSpace(match)
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// check through mentions to find what we're matching
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for _, menchie := range mentions {
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if strings.EqualFold(matchTrimmed, menchie.NameString) {
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// make sure we have an account attached to this mention
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if menchie.TargetAccount == nil {
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a, err := f.db.GetAccountByID(ctx, menchie.TargetAccountID)
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if err != nil {
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log.Errorf("error getting account with id %s from the db: %s", menchie.TargetAccountID, err)
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return match
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}
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menchie.TargetAccount = a
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}
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// The mention's target is our target
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targetAccount := menchie.TargetAccount
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// Add any dropped space from match
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if unicode.IsSpace(rune(match[0])) {
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buf.WriteByte(match[0])
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}
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// replace the mention with the formatted mention content
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// <span class="h-card"><a href="targetAccount.URL" class="u-url mention">@<span>targetAccount.Username</span></a></span>
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buf.WriteString(`<span class="h-card"><a href="`)
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buf.WriteString(targetAccount.URL)
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buf.WriteString(`" class="u-url mention">@<span>`)
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buf.WriteString(targetAccount.Username)
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buf.WriteString(`</span></a></span>`)
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return buf.String()
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}
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}
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// the match wasn't in the list of mentions for whatever reason, so just return the match as we found it so nothing changes
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return match
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})
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}
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