mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-01 06:50:00 +00:00
84 lines
3 KiB
Go
84 lines
3 KiB
Go
/*
|
|
GoToSocial
|
|
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Affero General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Affero General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Affero General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package util
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/superseriousbusiness/gotosocial/internal/regexes"
|
|
)
|
|
|
|
// DeriveMentionsFromStatus takes a plaintext (ie., not html-formatted) status,
|
|
// and applies a regex to it to return a deduplicated list of accounts
|
|
// mentioned in that status.
|
|
//
|
|
// It will look for fully-qualified account names in the form "@user@example.org".
|
|
// or the form "@username" for local users.
|
|
func DeriveMentionsFromStatus(status string) []string {
|
|
mentionedAccounts := []string{}
|
|
for _, m := range regexes.MentionFinder.FindAllStringSubmatch(status, -1) {
|
|
mentionedAccounts = append(mentionedAccounts, m[1])
|
|
}
|
|
return UniqueStrings(mentionedAccounts)
|
|
}
|
|
|
|
// DeriveHashtagsFromStatus takes a plaintext (ie., not html-formatted) status,
|
|
// and applies a regex to it to return a deduplicated list of hashtags
|
|
// used in that status, without the leading #. The case of the returned
|
|
// tags will be lowered, for consistency.
|
|
func DeriveHashtagsFromStatus(status string) []string {
|
|
tags := []string{}
|
|
for _, m := range regexes.HashtagFinder.FindAllStringSubmatch(status, -1) {
|
|
tags = append(tags, strings.TrimPrefix(m[1], "#"))
|
|
}
|
|
return UniqueStrings(tags)
|
|
}
|
|
|
|
// DeriveEmojisFromStatus takes a plaintext (ie., not html-formatted) status,
|
|
// and applies a regex to it to return a deduplicated list of emojis
|
|
// used in that status, without the surround ::.
|
|
func DeriveEmojisFromStatus(status string) []string {
|
|
emojis := []string{}
|
|
for _, m := range regexes.EmojiFinder.FindAllStringSubmatch(status, -1) {
|
|
emojis = append(emojis, m[1])
|
|
}
|
|
return UniqueStrings(emojis)
|
|
}
|
|
|
|
// ExtractMentionParts extracts the username test_user and the domain example.org
|
|
// from a mention string like @test_user@example.org.
|
|
//
|
|
// If nothing is matched, it will return an error.
|
|
func ExtractMentionParts(mention string) (username, domain string, err error) {
|
|
matches := regexes.MentionName.FindStringSubmatch(mention)
|
|
if matches == nil || len(matches) != 3 {
|
|
err = fmt.Errorf("could't match mention %s", mention)
|
|
return
|
|
}
|
|
username = matches[1]
|
|
domain = matches[2]
|
|
return
|
|
}
|
|
|
|
// IsMention returns true if the passed string looks like @whatever@example.org
|
|
func IsMention(mention string) bool {
|
|
return regexes.MentionName.MatchString(strings.ToLower(mention))
|
|
}
|