/// <summary>
/// 插入系统信息
/// </summary>
/// <param name="title"></param>
/// <param name="content"></param>
/// <param name="recieveId"></param>
/// <param name="sourceId"></param>
/// <param name="sourceType"></param>
/// <param name="moduleKey"></param>
/// <param name="category"></param>
/// <returns></returns>
private bool InsertSystemMessage(string title, string content, string recieveId, Guid?sourceId, string sourceType, string moduleKey, MessageCategory category = MessageCategory.System)
{
using (var dbContext = new SystemMessageDbContext())
{
var systemMessage = new Models.SystemMessage
{
Id = KeyGenerator.GetGuidKey(),
Title = title,
Content = content,
SourceId = sourceId,
MessageType = recieveId == null ? MessageType.Public : MessageType.Personal,
CreateTime = DateTime.Now,
SourceType = sourceType,
ModuleKey = moduleKey,
Category = category
};
dbContext.SystemMessages.Add(systemMessage);
if (recieveId != null)
{
var systemMessageReciever = new SystemMessageReciever
{
Id = KeyGenerator.GetGuidKey(),
MessageId = systemMessage.Id,
RecieveId = recieveId,
CreateTime = DateTime.Now,
Status = Status.UnRead
};
dbContext.SystemMessageRecievers.Add(systemMessageReciever);
}
var result = dbContext.SaveChanges();
return(result > 0);
}
}
private bool SetMessageRead(Models.SystemMessage message, string memberId)
{
if (message.MessageType == MessageType.Personal)
{
using (var dbContext = new SystemMessageDbContext())
{
var query = (from mr in dbContext.SystemMessageRecievers
where mr.MessageId == message.Id && mr.RecieveId == memberId && mr.Status == Status.UnRead
select mr).ToList();
foreach (var item in query)
{
item.Status = Status.HasRead;
dbContext.Set <SystemMessageReciever>().Attach(item);
dbContext.Entry(item).State = System.Data.Entity.EntityState.Modified;
}
dbContext.SaveChanges();
return(true);
}
}
if (message.MessageType == MessageType.Public)
{
using (var dbContext = new SystemMessageDbContext())
{
var query = (from mr in dbContext.SystemMessageRecievers
where mr.MessageId == message.Id && mr.RecieveId == memberId
select mr).ToList();
if (query.Count > 0)
{
foreach (var item in query)
{
if (item.Status == Status.UnRead)
{
item.Status = Status.HasRead;
dbContext.Set <SystemMessageReciever>().Attach(item);
dbContext.Entry(item).State = System.Data.Entity.EntityState.Modified;
}
}
}
else
{
var messageReciever = new SystemMessageReciever();
messageReciever.Id = KeyGenerator.GetGuidKey();
messageReciever.MessageId = message.Id;
messageReciever.RecieveId = memberId;
messageReciever.Status = Status.HasRead;
messageReciever.CreateTime = DateTime.Now;
messageReciever.ReadTime = DateTime.Now;
dbContext.SystemMessageRecievers.Add(messageReciever);
}
dbContext.SaveChanges();
return(true);
}
}
return(true);
}
public bool Delete(string memberId, Guid messageId)
{
var message = _currencyService.GetSingleById <Models.SystemMessage>(messageId);
if (message == null)
{
return(true);
}
bool result;
if (message.MessageType == MessageType.Personal)
{
//删除消息和接收人关联数据
_currencyService.DeleteByConditon <Models.SystemMessage>(s => s.Id.Equals(messageId));
_currencyService.DeleteByConditon <SystemMessageReciever>(s => s.MessageId.Equals(messageId));
result = true;
}
else
{
var systemMessageReciever = _currencyService.GetSingleByConditon <SystemMessageReciever>(me => me.RecieveId == memberId && me.MessageId == messageId);
if (systemMessageReciever != null && systemMessageReciever.Status != Status.Deleted)
{
systemMessageReciever.Status = Status.Deleted;
result = _currencyService.Update(systemMessageReciever);
}
else
{
var messageReciever = new SystemMessageReciever();
messageReciever.Id = KeyGenerator.GetGuidKey();
messageReciever.MessageId = message.Id;
messageReciever.RecieveId = memberId;
messageReciever.Status = Status.Deleted;
messageReciever.CreateTime = DateTime.Now;
result = _currencyService.Create(messageReciever);
}
}
if (result)
{
Logger.Operation($"会员-{memberId}删除消息-{message.Id}", SystemMessageModule.Instance);
}
return(result);
}
