use last image of thing

telegram.go

@@ -176,10 +176,15 @@ func respondTelegram(update tgbotapi.Update) {
 
 	header, has := makeHeader(update.Message, false)
 
-	if update.Message.Photo != nil && len(*update.Message.Photo) > 0 {
+	if update.Message.Photo != nil && (len(*update.Message.Photo)/4) > 0 {
 		fids := ""
-		files := make([]*discordgo.File, len(*update.Message.Photo))
-		for i, info := range *update.Message.Photo {
+		files := make([]*discordgo.File, len(*update.Message.Photo)/4)
+
+		p := *update.Message.Photo
+		for i := 0; i < len(files); i++ {
+			// FIXME: multiple images
+			info := p[((i+1)*4)-1]
+
 			var url string
 			if u, err := botAPI.GetFileDirectURL(info.FileID); err != nil {
 				msg := tgbotapi.NewMessage(update.Message.Chat.ID, "error getting URL")
@@ -199,8 +204,8 @@ func respondTelegram(update tgbotapi.Update) {
 				return
 			} else {
 				files[i] = &discordgo.File{
-					Name:        "sticker.webp",
-					ContentType: "image/webp",
+					Name:        "image.jpg",
+					ContentType: "image/jpeg",
 					Reader:      resp.Body,
 				}
 				//goland:noinspection GoDeferInLoop