38 lines
941 B
Go
38 lines
941 B
Go
package service
|
|
|
|
import (
|
|
"regexp"
|
|
"strconv"
|
|
"strings"
|
|
"unicode/utf8"
|
|
)
|
|
|
|
var (
|
|
membersOnlyBlockRe = regexp.MustCompile(`(?is)<members-only\b[^>]*>([\s\S]*?)</members-only>`)
|
|
htmlTagRe = regexp.MustCompile(`<[^>]+>`)
|
|
)
|
|
|
|
// RedactMembersOnlyHTML 未登录时移除会员专属区块内的正文，保留长度提示供前端展示
|
|
func RedactMembersOnlyHTML(html string) string {
|
|
if html == "" {
|
|
return html
|
|
}
|
|
return membersOnlyBlockRe.ReplaceAllStringFunc(html, func(full string) string {
|
|
m := membersOnlyBlockRe.FindStringSubmatch(full)
|
|
inner := ""
|
|
if len(m) > 1 {
|
|
inner = m[1]
|
|
}
|
|
length := membersContentLength(inner)
|
|
return `<members-only data-locked="true" data-length="` + strconv.Itoa(length) + `"></members-only>`
|
|
})
|
|
}
|
|
|
|
func membersContentLength(html string) int {
|
|
text := strings.TrimSpace(htmlTagRe.ReplaceAllString(html, ""))
|
|
if text == "" {
|
|
return 0
|
|
}
|
|
return utf8.RuneCountInString(text)
|
|
}
|