mirror of
https://codeberg.org/superseriousbusiness/gotosocial.git
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4920229a3b
* start moving some database stuff around * continue moving db stuff around * more fiddling * more updates * and some more * and yet more * i broke SOMETHING but what, it's a mystery * tidy up * vendor ttlcache * use ttlcache * fix up some tests * rename some stuff * little reminder * some more updates
81 lines
2.9 KiB
Go
81 lines
2.9 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021 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 util
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import (
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"fmt"
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"strings"
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)
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// DeriveMentionsFromStatus takes a plaintext (ie., not html-formatted) status,
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// and applies a regex to it to return a deduplicated list of accounts
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// mentioned in that status.
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//
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// It will look for fully-qualified account names in the form "@user@example.org".
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// or the form "@username" for local users.
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func DeriveMentionsFromStatus(status string) []string {
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mentionedAccounts := []string{}
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for _, m := range mentionFinderRegex.FindAllStringSubmatch(status, -1) {
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mentionedAccounts = append(mentionedAccounts, m[1])
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}
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return UniqueStrings(mentionedAccounts)
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}
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// DeriveHashtagsFromStatus takes a plaintext (ie., not html-formatted) status,
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// and applies a regex to it to return a deduplicated list of hashtags
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// used in that status, without the leading #. The case of the returned
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// tags will be lowered, for consistency.
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func DeriveHashtagsFromStatus(status string) []string {
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tags := []string{}
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for _, m := range HashtagFinderRegex.FindAllStringSubmatch(status, -1) {
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tags = append(tags, strings.TrimPrefix(m[1], "#"))
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}
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return UniqueStrings(tags)
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}
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// DeriveEmojisFromStatus takes a plaintext (ie., not html-formatted) status,
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// and applies a regex to it to return a deduplicated list of emojis
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// used in that status, without the surround ::.
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func DeriveEmojisFromStatus(status string) []string {
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emojis := []string{}
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for _, m := range emojiFinderRegex.FindAllStringSubmatch(status, -1) {
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emojis = append(emojis, m[1])
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}
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return UniqueStrings(emojis)
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}
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// ExtractMentionParts extracts the username test_user and the domain example.org
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// from a mention string like @test_user@example.org.
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//
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// If nothing is matched, it will return an error.
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func ExtractMentionParts(mention string) (username, domain string, err error) {
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matches := mentionNameRegex.FindStringSubmatch(mention)
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if matches == nil || len(matches) != 3 {
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err = fmt.Errorf("could't match mention %s", mention)
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return
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}
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username = matches[1]
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domain = matches[2]
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return
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}
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// IsMention returns true if the passed string looks like @whatever@example.org
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func IsMention(mention string) bool {
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return mentionNameRegex.MatchString(strings.ToLower(mention))
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}
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