public IEnumerable <person> Search(Pagequery page, string faceId, string uuid, string code, string[] tags)
{
List <person> list = new List <Repository.person>();
using (var db = new personrepositoryEntities())
{
try
{
Stopwatch sw = Stopwatch.StartNew();
var tagLink = GetTagIn(tags);
var persontags = (db.persontags.Where(c => tags.Contains(c.TagName))
.Select(s => new
{
FaceID = s.FaceID
})).Distinct();
IQueryable <person> query = null;
//if (persontags.Count() > 0)
//{
query = (from n in db.persons
join tag in persontags on n.FaceID equals tag.FaceID
select n);
//}
//else
//{
// query = (from n in db.persons
// select n);
//}
if (!faceId.IsEmpty())
{
query = query.Where(s => s.FaceID.StartsWith(faceId));
}
if (!uuid.IsEmpty())
{
query = query.Where(s => s.UUID.StartsWith(uuid));
}
if (!code.IsEmpty())
{
query = query.Where(s => s.Code.StartsWith(code));
}
page.TotalCount = query.Count();
list = query.Select(n => n).OrderBy(n => n.CreateTime).Skip(page.Offset).Take(page.Pagesize).ToList();
sw.Stop();
print("查询耗时->" + sw.ElapsedMilliseconds);
}
catch (DbEntityValidationException ex)
{
throw;
}
}
return(list);
}
public string[] GetPersonTags(string faceId)
{
List <string> tags = new List <string>();
using (var db = new personrepositoryEntities())
{
tags = db.persontags.Where(s => s.FaceID == faceId).Select(s => s.TagName).ToList();
}
return(tags.ToArray());
}
public void Add(person person)
{
using (var db = new personrepositoryEntities())
{
try
{
db.persons.Add(person);
db.SaveChanges();
}
catch (DbEntityValidationException ex)
{
throw;
}
}
}
public bool UUIDExist(string uuid)
{
using (var db = new personrepositoryEntities())
{
try
{
var count = db.persons.Count(s => s.UUID == uuid);
return(count > 0);
}
catch (DbEntityValidationException ex)
{
throw;
}
}
}
public void Connect()
{
using (var db = new personrepositoryEntities())
{
try
{
var count = db.persons.Count();
print("database ok->" + count);
}
catch
{
print("database error");
}
}
}
public void Delete(person person)
{
using (var db = new personrepositoryEntities())
{
try
{
var sql = "DELETE FROM persons WHERE faceID='{0}'";
sql = string.Format(sql, person.FaceID);
db.Database.ExecuteSqlCommand(sql);
}
catch (DbEntityValidationException ex)
{
throw;
}
}
}
public void Update(person person)
{
using (var db = new personrepositoryEntities())
{
try
{
db.persons.Attach(person);
db.Entry(person).State = System.Data.Entity.EntityState.Modified;
var count = db.SaveChanges();
}
catch (DbEntityValidationException ex)
{
throw;
}
}
}
public int DeleteByTags(string[] tags)
{
var affectcount = 0;
var tagLink = GetTagIn(tags);
using (var db = new personrepositoryEntities())
{
var deltags = "delete from persontags where tagname in({0})";
var delPerson = "delete from persons where faceId in(select faceId from persontags where tagname in({0}))";
delPerson = string.Format(delPerson, tagLink);
deltags = string.Format(deltags, tagLink);
affectcount = db.Database.ExecuteSqlCommand(delPerson);
db.Database.ExecuteSqlCommand(deltags);
}
return(affectcount);
}
public void UpdatePersonTag(string faceId, string[] tags)
{
using (var db = new personrepositoryEntities())
{
var haveTags = db.persontags.Where(s => s.FaceID == faceId).Select(s => s.TagName).ToArray();
var newTags = tags.Except(haveTags).ToArray();
foreach (var tag in newTags)
{
persontag pt = new Repository.persontag()
{
FaceID = faceId,
TagName = tag
};
db.persontags.Add(pt);
}
db.SaveChanges();
}
}
public void AddPersonTag(string faceId, string[] tags)
{
using (var db = new personrepositoryEntities())
{
//删除旧标签
var sql = "delete from persontags where faceid='" + faceId + "'";
var count = db.Database.ExecuteSqlCommand(sql);
print("删除旧标签->" + count);
foreach (var tag in tags)
{
persontag pt = new Repository.persontag()
{
FaceID = faceId,
TagName = tag
};
db.persontags.Add(pt);
}
db.SaveChanges();
}
}
public IEnumerable <person> Search1VN(Pagequery page, string[] faceIds, string[] tags, long validTime)
{
List <person> list = new List <Repository.person>();
using (var db = new personrepositoryEntities())
{
try
{
var tagLink = GetTagIn(tags);
IEnumerable <string> tagtofaceID = null;
if (tags.Length > 0)
{
tagtofaceID = db.persontags.Where(c => tags.Contains(c.TagName)).Select(s => s.FaceID).Distinct();
}
IQueryable <person> query = db.persons.Where(f => f.Code.Length > 0);
if (tagtofaceID != null)
{
query = query.Where(p => tagtofaceID.Contains(p.FaceID));
}
if (validTime > 0)
{
var startTime = DateTime.Now.AddSeconds(validTime * -1);
query = query.Where(s => s.CreateTime >= startTime);
}
query = query.Where(p => faceIds.Contains(p.FaceID)).OrderBy(s => s.CreateTime);
page.TotalCount = query.Count();
query = query.Skip(page.Offset).Take(page.Pagesize);
list = query.ToList();
}
catch (DbEntityValidationException ex)
{
throw;
}
}
return(list);
}
public void DeletePersonTag(string faceId, string[] tags)
{
using (var db = new personrepositoryEntities())
{
if (tags.Length == 0)
{
var sql = "delete from persontags where faceId='{0}'";
sql = string.Format(sql, faceId);
db.Database.ExecuteSqlCommand(sql);
}
else
{
foreach (var tag in tags)
{
var sql = "delete from persontags where faceId='{0}' and TagName='{1}'";
sql = string.Format(sql, faceId, tag);
db.Database.ExecuteSqlCommand(sql);
}
}
}
}