package api import ( "regexp" "strings" "sync" "time" "codeberg.org/video-prize-ranch/rimgo/utils" "github.com/dustin/go-humanize" "github.com/microcosm-cc/bluemonday" "github.com/patrickmn/go-cache" "github.com/tidwall/gjson" "gitlab.com/golang-commonmark/linkify" ) type Comment struct { Comments []Comment User User Id string Comment string Upvotes int64 Downvotes int64 Platform string CreatedAt string RelTime string UpdatedAt string DeletedAt string } var commentCache = cache.New(15*time.Minute, 15*time.Minute) func FetchComments(galleryID string) ([]Comment, error) { cacheData, found := commentCache.Get(galleryID) if found { return cacheData.([]Comment), nil } data, err := utils.GetJSON("https://api.imgur.com/comment/v1/comments?client_id=" + utils.Config.ImgurId + "&filter[post]=eq:" + galleryID + "&include=account,adconfig&per_page=30&sort=best") if err != nil { return []Comment{}, nil } wg := sync.WaitGroup{} comments := make([]Comment, 0) data.Get("data").ForEach( func(key, value gjson.Result) bool { wg.Add(1) go func() { defer wg.Done() comments = append(comments, ParseComment(value)) }() return true }, ) wg.Wait() commentCache.Set(galleryID, comments, cache.DefaultExpiration) return comments, nil } var imgRe = regexp.MustCompile(`https?://i\.imgur\.com/(.*)\.(png|gif|jpg|webp)`) var vidRe = regexp.MustCompile(`https?://i\.imgur\.com/(.*)\.(mp4|webm)`) var vidFormatRe = regexp.MustCompile(`\.(mp4|webm)`) var iImgurRe = regexp.MustCompile(`https?://i\.imgur\.com`) func ParseComment(data gjson.Result) Comment { createdTime, _ := time.Parse("2006-01-02T15:04:05Z", data.Get("created_at").String()) createdAt := createdTime.Format("January 2, 2006 3:04 PM") updatedAt, _ := utils.FormatDate(data.Get("updated_at").String()) deletedAt, _ := utils.FormatDate(data.Get("deleted_at").String()) userAvatar := strings.ReplaceAll(data.Get("account.avatar").String(), "https://i.imgur.com", "") wg := sync.WaitGroup{} comments := make([]Comment, 0) data.Get("comments").ForEach( func(key, value gjson.Result) bool { wg.Add(1) go func() { defer wg.Done() comments = append(comments, ParseComment(value)) }() return true }, ) wg.Wait() comment := data.Get("comment").String() comment = strings.ReplaceAll(comment, "\n", "
") for _, match := range imgRe.FindAllString(comment, -1) { img := iImgurRe.ReplaceAllString(match, "") img = `` comment = strings.Replace(comment, match, img, 1) } for _, match := range vidRe.FindAllString(comment, -1) { vid := iImgurRe.ReplaceAllString(match, "") vid = `` comment = strings.Replace(comment, match, vid, 1) } for _, l := range linkify.Links(comment) { origLink := comment[l.Start:l.End] link := `` + origLink + `` comment = strings.Replace(comment, origLink, link, 1) } p := bluemonday.UGCPolicy() p.AllowImages() p.AllowElements("video", "source") p.AllowAttrs("src", "tvpe").OnElements("source") p.AllowAttrs("controls", "loop", "preload", "poster").OnElements("video") p.AllowAttrs("class", "loading").OnElements("img", "video") p.RequireNoReferrerOnLinks(true) p.RequireNoFollowOnLinks(true) p.RequireCrossOriginAnonymous(true) comment = p.Sanitize(comment) return Comment{ Comments: comments, User: User{ Id: data.Get("account.id").Int(), Username: data.Get("account.username").String(), Avatar: userAvatar, }, Id: data.Get("id").String(), Comment: comment, Upvotes: data.Get("upvote_count").Int(), Downvotes: data.Get("downvote_count").Int(), Platform: data.Get("platform").String(), CreatedAt: createdAt, RelTime: humanize.Time(createdTime), UpdatedAt: updatedAt, DeletedAt: deletedAt, } }