add video command body

model/lottery.go

@@ -2,7 +2,6 @@ package model
 
 import (
 	"database/sql"
-	"math/rand"
 	"time"
 )
 
@@ -29,8 +28,7 @@ func GetRandomLotteryByType(t string) (p *Lottery, err error) {
 
 // GetRandomLotteryByTypeAndLimit -
 func GetRandomLotteryByTypeAndLimit(t string, limit int) (p []*Lottery, err error) {
-	offset := rand.Intn(10)
-	err = x.Select(&p, `select * from "public"."lottery" where "type" = $1 order by random() offset $2 limit $3`, t, offset, limit)
+	err = x.Select(&p, `select * from "public"."lottery" where "type" = $1 offset floor(random() * (select count(*) as c from "public"."lottery" where "type" = $2)) limit $3`, t, t, limit)
 	if err == sql.ErrNoRows {
 		return nil, nil
 	}

module/message-command/line-group.go

@@ -28,6 +28,8 @@ func selectAct(cmd, sub, txt string, s *lineobj.SourceObject) (res string) {
 		return delTwitchChannel(sub, txt, s)
 	case "image":
 		return fmt.Sprintf("$image$%s", sub)
+	case "video":
+		return fmt.Sprintf("$video$%s", sub)
 	case "addyoutube":
 		return addYoutubeChannel(sub, txt, s)
 	case "delyoutube":

module/message-command/message-command.go

@@ -79,6 +79,13 @@ func parseResult(str string) interface{} {
 			OriginalContentURL: strs[0],
 			PreviewImageURL:    strs[1],
 		}
+	} else if strings.HasPrefix(str, "$video$") {
+		str = strings.Replace(str, "$video$", "", 1)
+		strs := strings.Split(str, ";")
+		m = &line.VideoMessage{
+			OriginalContentURL: strs[0],
+			PreviewImageURL:    strs[1],
+		}
 	} else {
 		m = &line.TextMessage{
 			Text: str,