2019-06-03 09:32:43 +00:00
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package autocorrect
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import (
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"regexp"
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"strings"
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)
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const maxNickLength = 25
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var fixNickRegex = regexp.MustCompile(`[\W\s\d]`)
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var accountNickRegexes = []*regexp.Regexp{
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regexp.MustCompile(`anilist.co/user/(.*)`),
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regexp.MustCompile(`anilist.co/animelist/(.*)`),
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regexp.MustCompile(`kitsu.io/users/(.*?)/library`),
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regexp.MustCompile(`kitsu.io/users/(.*)`),
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regexp.MustCompile(`anime-planet.com/users/(.*?)/anime`),
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regexp.MustCompile(`anime-planet.com/users/(.*)`),
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regexp.MustCompile(`myanimelist.net/profile/(.*)`),
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regexp.MustCompile(`myanimelist.net/animelist/(.*?)\?`),
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regexp.MustCompile(`myanimelist.net/animelist/(.*)`),
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regexp.MustCompile(`myanimelist.net/(.*)`),
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regexp.MustCompile(`myanimelist.com/(.*)`),
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regexp.MustCompile(`twitter.com/(.*)`),
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regexp.MustCompile(`osu.ppy.sh/u/(.*)`),
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}
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var animeLinkRegex = regexp.MustCompile(`notify.moe/anime/(\d+)`)
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var osuBeatmapRegex = regexp.MustCompile(`osu.ppy.sh/s/(\d+)`)
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// Tag converts links to correct tags automatically.
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func Tag(tag string) string {
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tag = strings.TrimSpace(tag)
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tag = strings.TrimSuffix(tag, "/")
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// Anime
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matches := animeLinkRegex.FindStringSubmatch(tag)
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if len(matches) > 1 {
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return "anime:" + matches[1]
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}
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// Osu beatmap
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matches = osuBeatmapRegex.FindStringSubmatch(tag)
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if len(matches) > 1 {
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return "osu-beatmap:" + matches[1]
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}
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return tag
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}
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// UserNick automatically corrects a username.
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func UserNick(nick string) string {
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nick = fixNickRegex.ReplaceAllString(nick, "")
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if nick == "" {
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return nick
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}
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nick = strings.Trim(nick, "_")
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if nick == "" {
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return ""
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}
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if len(nick) > maxNickLength {
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nick = nick[:maxNickLength]
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}
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return strings.ToUpper(string(nick[0])) + nick[1:]
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}
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// AccountNick automatically corrects the username/nick of an account.
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func AccountNick(nick string) string {
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for _, regex := range accountNickRegexes {
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matches := regex.FindStringSubmatch(nick)
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if len(matches) > 1 {
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nick = matches[1]
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return nick
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}
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}
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return nick
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}
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// PostText fixes common mistakes in post texts.
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func PostText(text string) string {
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2021-11-18 15:08:59 +00:00
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text = strings.ReplaceAll(text, "http://", "https://")
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2019-06-03 09:32:43 +00:00
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text = strings.TrimSpace(text)
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return text
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}
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2019-09-10 00:49:51 +00:00
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// ThreadTitle fixes a thread title by trimming spaces.
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2019-06-03 09:32:43 +00:00
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func ThreadTitle(title string) string {
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return strings.TrimSpace(title)
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}
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// Website fixed common website mistakes.
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func Website(url string) string {
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// Disallow links that aren't actual websites,
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// just tracker links.
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if IsTrackerLink(url) {
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return ""
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}
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url = strings.TrimSpace(url)
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url = strings.TrimPrefix(url, "http://")
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url = strings.TrimPrefix(url, "https://")
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url = strings.TrimSuffix(url, "/")
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return url
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}
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// IsTrackerLink returns true if the URL is a tracker link.
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func IsTrackerLink(url string) bool {
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return strings.Contains(url, "myanimelist.net/") || strings.Contains(url, "anilist.co/") || strings.Contains(url, "kitsu.io/") || strings.Contains(url, "kissanime.")
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}
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