/// <summary>
/// 新增用户消息
/// </summary>
/// <param name="model"></param>
/// <param name="entity">如果为null，则在内部声明，结束时释放</param>
/// <returns></returns>
public WxUserMessage Create(WxUserMessage model, MHContext entity)
{
MHContext context = entity == null?new MHContext():entity;
try
{
var table = context.WxUserMessage.Where(a => !a.IsDel);
if (table.Any(a => a.FromUserName == model.FromUserName && a.CreateTimeSpan == model.CreateTimeSpan))
{
throw new SystemException("数据已存在");
}
var data = context.WxUserMessage.Add(model);
var result = context.SaveChanges();
return(result > 0 ? data.Entity:null);
}
finally
{
if (entity == null)
{
context.Dispose();
}
}
}
/// <summary>
/// 插入数据
/// </summary>
/// <param name="model"></param>
/// <returns>是否成功</returns>
public bool Create(WxUsers model)
{
using (var entity = new MHContext())
{
if (Table.Any(a => a.Openid == model.Openid))
{
var user = entity.User.FirstOrDefault(a => a.Openid == model.Openid);
user.LastLoginTime = DateTime.Now;
entity.SaveChanges();
return(true);
}
var wxUser = entity.WxUsers.Add(model);
var userInfo = entity.User.Add(new User()
{
Openid = model.Openid,
CustomNickName = model.NickName
});
entity.SaveChanges();
if (wxUser != null && userInfo != null)
{
return(true);
}
return(false);
}
}
/// <summary>
///接收wx消息并保持到db
/// </summary>
/// <returns></returns>
public WxUserMessage GetXmlDataAndInsert()
{
var data = WxApi.WxApi.GetUserMsg();
if (data == null)
{
return(null);
}
//autoMapper转换model
var msgData = Mapper.Map <WXMsgBase, WxUserMessage>(data);
WxUserMessage msgAddResult = null;
var userAddReulst = 1;
using (var entity = new MHContext())
{
using (var tran = entity.Database.BeginTransaction())
{
try
{
msgAddResult = Create(msgData, entity);
//如果db不存在该用户信息，则插入
if (!entity.WxUsers.Any(a => !a.IsDel && a.Openid == msgData.FromUserName))
{
var userInfoJson = WxApi.WxApi.GetUserInfo(msgData.FromUserName);
entity.WxUsers.Add(userInfoJson.JsonToObj <WxUsers>());
userAddReulst = entity.SaveChanges();
}
//两者都成功才commit
if (msgAddResult == null || userAddReulst <= 0)
{
throw new SystemException("操作失败");
}
tran.Commit();
return(msgAddResult);
}
catch (Exception ex)
{
tran.Rollback();
throw ex;
}
}
}
}
/// <summary>
/// 批量获取关注用户信息
/// </summary>
/// <returns></returns>
public bool GetUserListAndUpdateDb()
{
var nextOpenid = "";
//用户详情列表对象，用于最后批量插入数据库
var userInfoList = new UserInfoList()
{
User_info_list = new List <MassUserInfo>()
};
var lockObj = new object();
//用于标识异步操作是否全部完成
var isFinished = false;
//是否有待获取用户详情的任务
var hasTask = false;
//nextOpenid不为空则继续获取下一页
#region 获取已关注用户列表
do
{
var openidList = WxApi.WxApi.GetUserList(nextOpenid).JsonToObj <OpenidListModel>();
if (openidList == null || openidList.Data == null || openidList.Data.Openid.Count <= 0)
{
break;//跳出循环体
}
//构造批量获取用户详情参数
var openidListParam = new OpenidListParam()
{
user_list = new List <GetUserInfoParam>()
};
openidList.Data.Openid.ForEach(a =>
{
//db中不存在的用户，才加入待获取列表
if (!Table.Any(m => m.Openid == a))
{
openidListParam.user_list.Add(new GetUserInfoParam()
{
lang = "zh-CN", openid = a
});
}
});
nextOpenid = openidList.Next_Openid;
//待获取列表为空时，跳出循环体
if (openidListParam.user_list.Count <= 0)
{
//如果无任务，直接完成
if (!hasTask)
{
isFinished = true;
}
break;
}
else
{
hasTask = true;
}
#region 每500用户启动一个线程获取详细信息
//每500个openid启动一个线程请求，每个请求最多100个openid
Task.Run(() =>
{
var requestDataCount = 100;
var threadDataCount = requestDataCount * 5;
var times = openidListParam.user_list.Count % threadDataCount > 0 ? openidListParam.user_list.Count / threadDataCount + 1 : openidListParam.user_list.Count / threadDataCount;
//并行for循环，for()循环参数小于第二个参数值
Parallel.For(1, times + 1, i =>
{
//最多请求100条用户详情，存入变量中。
var userInfoListJson = WxApi.WxApi.GetBatchUserInfos(new OpenidListParam()
{
user_list = openidListParam.user_list.Skip((i - 1) * requestDataCount).Take(requestDataCount).ToList()
});
lock (lockObj)
{
userInfoList.User_info_list.AddRange(userInfoListJson.JsonToObj <UserInfoList>()?.User_info_list);
}
if (i == times)
{
isFinished = true;
}
});
});
#endregion 每500用户启动一个线程获取细信息
} while (true);
#endregion 获取已关注用户列表
//如果线程未全部完成，则等待1秒钟
while (!isFinished)//=="false")
{
Thread.Sleep(1000);
}
//无已关注用户，正常情况
if (userInfoList.User_info_list.Count <= 0)
{
return(true);
}
//todo:批量插入userInfoList.User_info_list到DB;
using (var entity = new MHContext())
{
var wxUsersList = Mapper.Map <List <MassUserInfo>, List <WxUsers> >(userInfoList.User_info_list);
entity.WxUsers.AddRange(wxUsersList.Where(a => !Table.Any(m => m.Openid == a.Openid)));
//todo:批量插入user表。。
var usersList = Mapper.Map <List <WxUsers>, List <User> >(wxUsersList);
entity.User.AddRange(usersList.Where(a => !entity.User.Any(m => m.Openid == a.Openid)));
entity.SaveChanges();
}
return(true);
}
