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focalboard/server/services/notify/notifymentions/mentions.go
2021-09-13 15:36:36 -04:00

35 lines
882 B
Go

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package notifymentions
import (
"regexp"
"strings"
"github.com/mattermost/focalboard/server/model"
mm_model "github.com/mattermost/mattermost-server/v6/model"
)
var atMentionRegexp = regexp.MustCompile(`\B@[[:alnum:]][[:alnum:]\.\-_:]*`)
// extractMentions extracts any mentions in the specified block and returns
// a slice of usernames.
func extractMentions(block *model.Block) map[string]struct{} {
mentions := make(map[string]struct{})
if block == nil || !strings.Contains(block.Title, "@") {
return mentions
}
str := block.Title
for _, match := range atMentionRegexp.FindAllString(str, -1) {
name := mm_model.NormalizeUsername(match[1:])
if mm_model.IsValidUsernameAllowRemote(name) {
mentions[name] = struct{}{}
}
}
return mentions
}