public ActionResult EditRecommend(string ID)
{
RecommendView re = reManager.FindDetailById(ID);
return(View(re));
}
public ActionResult Recommend()
{
//根据用户标签获取拥有相似标签的对象，目前每组标签推荐2组，不重复
UserNumber me = db.UserNumbers.Find(User.Identity.Name);
List <string> labs = new List <string>();
if (!string.IsNullOrEmpty(me.Labels))
{
labs = me.Labels.Split(',').ToList();
}
//List<string> labs = me.Labels.Length>0?me.Labels.Split(',').ToList():new List<string>();
List <UserNumber> users = new List <UserNumber>();
List <Activities> Acts = new List <Activities>();
List <ClubNumber> Clubs = new List <ClubNumber>();
//Acts = db.Activities.Where(a => a.Label.Split(',').Any(lab => labs.Contains(lab))).Take(6).ToList();
//Clubs = db.ClubNumbers.Where(a => a.Label.Split(',').Any(lab => labs.Contains(lab))).Take(6).ToList();
//users = db.UserNumbers.Where(a => a.Labels.Split(',').Any(lab => labs.Contains(lab))).Take(6).ToList();
List <string> uid = new List <string>();
uid.Add(me.UserId);//把自己从推荐用户中排除
List <int> aid = new List <int>();
List <string> cid = new List <string>();
Random r1 = new Random();
foreach (string lab in labs)
{
int ucount = db.UserNumbers.Where(u => u.Labels.Contains(lab) && !uid.Contains(u.UserId)).Count();
int i = r1.Next(ucount);
List <UserNumber> us = db.UserNumbers.Where(u => u.State == (int)EnumState.正常 && u.Labels.Contains(lab) && !uid.Contains(u.UserId)).OrderBy(u => u.UserId).Skip(i).Take(2).ToList();
foreach (UserNumber u0 in us)
{
uid.Add(u0.UserId);
users.Add(u0);
}
List <Activities> ats = db.Activities.Where(a => a.State == (int)EnumState.正常 && a.Label.Contains(lab) && !aid.Contains(a.Id)).OrderByDescending(a => a.Id).Take(2).ToList();
foreach (Activities a0 in ats)
{
aid.Add(a0.Id);
Acts.Add(a0);
}
List <ClubNumber> cs = db.ClubNumbers.Where(c => c.State == (int)EnumState.正常 && c.Label.Contains(lab) && !cid.Contains(c.ClubId)).OrderByDescending(c => c.ClubId).Take(2).ToList();
foreach (ClubNumber c0 in cs)
{
cid.Add(c0.ClubId);
Clubs.Add(c0);
}
//UserNumber u1 = db.UserNumbers.Where(u => u.Labels.Contains(lab)&&!uid.Contains(u.UserId)).FirstOrDefault();
//Activities a1 = db.Activities.Where(a => a.Label.Contains(lab)&&!aid.Contains(a.Id)).OrderByDescending(a => a.Id).FirstOrDefault();
//ClubNumber c1 = db.ClubNumbers.Where(c => c.Label.Contains(lab) && !cid.Contains(c.ClubId)).OrderByDescending(c => c.ClubId).FirstOrDefault();
//if (u1 != null)
//{
// uid.Add(u1.UserId);
// users.Add(u1);
//}
//if (a1 != null)
//{
// aid.Add(a1.Id);
// Acts.Add(a1);
//}
//if (c1 != null)
//{
// cid.Add(c1.ClubId);
// Clubs.Add(c1);
//}
}
RecommendView model = new RecommendView
{
Uid = me.UserId,
Labels = me.Labels,
Acts = Acts,
Clubs = Clubs,
Users = users
};
return(View(model));
}
