private async Task MatchLinkerTags(SharelinkTagService tagService, ShareThing newShare, List<ShareThingMail> mails, IEnumerable<SharelinkTag> newShareTags) { var userService = this.UseSharelinkerService().GetSharelinkerService(); var linkers = await userService.GetUserlinksOfUserId(UserSessionData.UserId); var linkerIds = from l in linkers select l.SlaveUserObjectId; var linkersTags = await tagService.GetLinkersTags(linkerIds); foreach (var linkerTags in linkersTags) { var sendMailFlag = false; var mail = new ShareThingMail() { ShareId = newShare.Id, Time = DateTime.UtcNow }; if (linkerTags.Key != newShare.UserId) { var linkTagDatas = from lt in linkerTags.Value select lt; var matchTags = tagService.MatchTags(newShareTags, linkTagDatas); if (matchTags.Count() > 0) { mail.Tags = matchTags; sendMailFlag = true; mail.ToSharelinker = linkerTags.Key; } } if (sendMailFlag) { mails.Add(mail); } } }