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package db
import "regexp"
type PostBlacklist struct {
Id int
Regex string
}
func WriteRegexBlacklistDB(regex string) error {
query := `select from postblacklist where regex=$1`
rows, err := db.Query(query, regex)
if err != nil {
return err
}
defer rows.Close()
var re string
rows.Next()
rows.Scan(&re)
if re != "" {
return nil
}
query = `insert into postblacklist (regex) values ($1)`
_, err = db.Exec(query, regex)
return err
}
func GetRegexBlacklistDB() ([]PostBlacklist, error) {
var list []PostBlacklist
query := `select id, regex from postblacklist`
rows, err := db.Query(query)
if err != nil {
return list, err
}
defer rows.Close()
for rows.Next() {
var temp PostBlacklist
rows.Scan(&temp.Id, &temp.Regex)
list = append(list, temp)
}
return list, nil
}
func DeleteRegexBlacklistDB(id int) error {
query := `delete from postblacklist where id=$1`
_, err := db.Exec(query, id)
return err
}
func IsPostBlacklist(comment string) (bool, error) {
postblacklist, err := GetRegexBlacklistDB()
if err != nil {
return false, err
}
for _, e := range postblacklist {
re := regexp.MustCompile(e.Regex)
if re.MatchString(comment) {
return true, nil
}
}
return false, nil
}
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