public override bool Equals(object obj)
{
DateTimeScope target = obj as DateTimeScope;
if (target == null)
{
return(false);
}
return(this == target);
}
/// <summary>
/// 获取一页群聊天记录。
/// </summary>
/// <param name="groupID">群ID</param>
/// <param name="pageSize">页大小</param>
/// <param name="pageIndex">页索引</param>
/// <returns>聊天记录页</returns>
public ChatRecordPage GetGroupChatRecordPage(ChatRecordTimeScope chatRecordTimeScope, string groupID, int pageSize, int pageIndex)
{
if (this.transactionScopeFactory == null)
{
return new ChatRecordPage(0, 0, new List<ChatMessageRecord>());
}
DateTimeScope timeScope = null;
DateTime now = DateTime.Now;
if (chatRecordTimeScope == ChatRecordTimeScope.RecentWeek) //一周
{
timeScope = new DateTimeScope(now.AddDays(-7), now);
}
else if (chatRecordTimeScope == ChatRecordTimeScope.RecentMonth)//一月
{
timeScope = new DateTimeScope(now.AddDays(-31), now);
}
else if (chatRecordTimeScope == ChatRecordTimeScope.Recent3Month)//三月
{
timeScope = new DateTimeScope(now.AddDays(-91), now);
}
else //全部
{
}
List<Filter> filterList = new List<Filter>();
filterList.Add(new Filter(ChatMessageRecord._AudienceID, groupID));
filterList.Add(new Filter(ChatMessageRecord._IsGroupChat, true));
if (timeScope != null)
{
filterList.Add(new Filter(ChatMessageRecord._OccureTime, new DateTime[] { timeScope.StartDate, timeScope.EndDate }, ComparisonOperators.BetweenAnd));
}
SimpleFilterTree tree = new SimpleFilterTree(filterList);
//最后一页
if (pageIndex == int.MaxValue)
{
int total = 0;
using (TransactionScope scope = this.transactionScopeFactory.NewTransactionScope())
{
IOrmAccesser<ChatMessageRecord> accesser = scope.NewOrmAccesser<ChatMessageRecord>();
total = (int)accesser.GetCount(tree);
scope.Commit();
}
int pageCount = total / pageSize;
if (total % pageSize > 0)
{
pageCount += 1;
}
pageIndex = pageCount - 1;
}
int totalCount = 0;
ChatMessageRecord[] page = null;
using (TransactionScope scope = this.transactionScopeFactory.NewTransactionScope())
{
IOrmAccesser<ChatMessageRecord> accesser = scope.NewOrmAccesser<ChatMessageRecord>();
page = accesser.GetPage(tree, pageSize, pageIndex, ChatMessageRecord._AutoID, true, out totalCount);
scope.Commit();
}
return new ChatRecordPage(totalCount, pageIndex, new List<ChatMessageRecord>(page));
}
