public async Task<string> NextPageBlock(string sourceId, string set, string qexpr, string prevlast)
{
JavaScriptSerializer jser = new JavaScriptSerializer();
dynamic sobj = jser.DeserializeObject(set) as dynamic;
EntitySetType type;
if (Enum.TryParse<EntitySetType>(sobj["set"], out type))
{
switch (type)
{
case EntitySetType.User:
{
DataContractJsonSerializer ser1 = new DataContractJsonSerializer(typeof(QueryExpresion));
DataContractJsonSerializer ser2 = new DataContractJsonSerializer(typeof(User));
DataContractJsonSerializer ser3 = new DataContractJsonSerializer(typeof(UserPageBlock));
System.IO.MemoryStream strm = new System.IO.MemoryStream();
byte[] sbf = System.Text.Encoding.UTF8.GetBytes(qexpr);
strm.Write(sbf, 0, sbf.Length);
strm.Position = 0;
var _qexpr = ser1.ReadObject(strm) as QueryExpresion;
UserServiceProxy svc = new UserServiceProxy();
UserSet _set = new UserSet();
_set.PageBlockSize = int.Parse(sobj["pageBlockSize"]);
_set.PageSize_ = int.Parse(sobj["pageSize"]);
if (sobj.ContainsKey("setFilter"))
_set.SetFilter = sobj["setFilter"];
User _prevlast = null;
if (!string.IsNullOrEmpty(prevlast))
{
strm = new System.IO.MemoryStream();
sbf = System.Text.Encoding.UTF8.GetBytes(prevlast);
strm.Write(sbf, 0, sbf.Length);
strm.Position = 0;
_prevlast = ser2.ReadObject(strm) as User;
}
var result = await svc.NextPageBlockAsync(ApplicationContext.ClientContext, _set, _qexpr, _prevlast);
strm = new System.IO.MemoryStream();
ser3.WriteObject(strm, result);
string json = System.Text.Encoding.UTF8.GetString(strm.ToArray());
return json;
}
case EntitySetType.Role:
{
DataContractJsonSerializer ser1 = new DataContractJsonSerializer(typeof(QueryExpresion));
DataContractJsonSerializer ser2 = new DataContractJsonSerializer(typeof(Role));
DataContractJsonSerializer ser3 = new DataContractJsonSerializer(typeof(RolePageBlock));
System.IO.MemoryStream strm = new System.IO.MemoryStream();
byte[] sbf = System.Text.Encoding.UTF8.GetBytes(qexpr);
strm.Write(sbf, 0, sbf.Length);
strm.Position = 0;
var _qexpr = ser1.ReadObject(strm) as QueryExpresion;
RoleServiceProxy svc = new RoleServiceProxy();
RoleSet _set = new RoleSet();
_set.PageBlockSize = int.Parse(sobj["pageBlockSize"]);
_set.PageSize_ = int.Parse(sobj["pageSize"]);
if (sobj.ContainsKey("setFilter"))
_set.SetFilter = sobj["setFilter"];
Role _prevlast = null;
if (!string.IsNullOrEmpty(prevlast))
{
strm = new System.IO.MemoryStream();
sbf = System.Text.Encoding.UTF8.GetBytes(prevlast);
strm.Write(sbf, 0, sbf.Length);
strm.Position = 0;
_prevlast = ser2.ReadObject(strm) as Role;
}
var result = await svc.NextPageBlockAsync(ApplicationContext.ClientContext, _set, _qexpr, _prevlast);
strm = new System.IO.MemoryStream();
ser3.WriteObject(strm, result);
string json = System.Text.Encoding.UTF8.GetString(strm.ToArray());
return json;
}
case EntitySetType.MemberNotification:
{
DataContractJsonSerializer ser1 = new DataContractJsonSerializer(typeof(QueryExpresion));
DataContractJsonSerializer ser2 = new DataContractJsonSerializer(typeof(MemberNotification));
DataContractJsonSerializer ser3 = new DataContractJsonSerializer(typeof(MemberNotificationPageBlock));
System.IO.MemoryStream strm = new System.IO.MemoryStream();
byte[] sbf = System.Text.Encoding.UTF8.GetBytes(qexpr);
strm.Write(sbf, 0, sbf.Length);
strm.Position = 0;
var _qexpr = ser1.ReadObject(strm) as QueryExpresion;
MemberNotificationServiceProxy svc = new MemberNotificationServiceProxy();
MemberNotificationSet _set = new MemberNotificationSet();
_set.PageBlockSize = int.Parse(sobj["pageBlockSize"]);
_set.PageSize_ = int.Parse(sobj["pageSize"]);
if (sobj.ContainsKey("setFilter"))
_set.SetFilter = sobj["setFilter"];
MemberNotification _prevlast = null;
if (!string.IsNullOrEmpty(prevlast))
{
strm = new System.IO.MemoryStream();
sbf = System.Text.Encoding.UTF8.GetBytes(prevlast);
strm.Write(sbf, 0, sbf.Length);
strm.Position = 0;
_prevlast = ser2.ReadObject(strm) as MemberNotification;
}
var result = await svc.NextPageBlockAsync(ApplicationContext.ClientContext, _set, _qexpr, _prevlast);
strm = new System.IO.MemoryStream();
ser3.WriteObject(strm, result);
string json = System.Text.Encoding.UTF8.GetString(strm.ToArray());
return json;
}
case EntitySetType.ShortMessage:
{
DataContractJsonSerializer ser1 = new DataContractJsonSerializer(typeof(QueryExpresion));
DataContractJsonSerializer ser2 = new DataContractJsonSerializer(typeof(ShortMessage));
DataContractJsonSerializer ser3 = new DataContractJsonSerializer(typeof(ShortMessagePageBlock));
System.IO.MemoryStream strm = new System.IO.MemoryStream();
byte[] sbf = System.Text.Encoding.UTF8.GetBytes(qexpr);
strm.Write(sbf, 0, sbf.Length);
strm.Position = 0;
var _qexpr = ser1.ReadObject(strm) as QueryExpresion;
var svc = new ShortMessageServiceProxy();
var _set = new ShortMessageSet();
_set.PageBlockSize = int.Parse(sobj["pageBlockSize"]);
_set.PageSize_ = int.Parse(sobj["pageSize"]);
if (!sobj.ContainsKey("setFilter"))
throw new Exception("The page is not properly parameterized!");
else
{
Func<string, string, int> count = (s, p) =>
{
int _cnt = 0;
int i = 0;
while ((i = s.IndexOf(p, i)) != -1)
{
_cnt++;
i += p.Length;
}
return _cnt;
};
string filter = sobj["setFilter"];
if (filter.Contains("ToID is null") && filter.Contains("___usergroups___") && count(filter, "||") == 0)
{
string[] mbgrpIds = await GroupChatViewContext.UserGroupChatMembers(System.Web.HttpContext.Current.User.Identity.GetUserId());
if (mbgrpIds == null || mbgrpIds.Length == 0)
throw new Exception(ResourceUtils.GetString("234038e6185f013e25d0213c06f5a0e9", "You are not a member of any chat group."));
string groupexpr = "";
foreach (var gid in mbgrpIds)
groupexpr += (groupexpr != "" ? " || " : "") + "GroupID == \"" + gid + "\"";
_set.SetFilter = filter.Replace("___usergroups___", groupexpr);
}
else if (filter.EndsWith("&& ToID is not null && GroupID is null && ( ToID == \"{0}\" || FromID == \"{0}\" )") && count(filter, "||") == 1)
{
filter = string.Format(filter, System.Web.HttpContext.Current.User.Identity.GetUserId());
_set.SetFilter = filter;
}
else
throw new Exception("The page is not properly parameterized!");
}
ShortMessage _prevlast = null;
if (!string.IsNullOrEmpty(prevlast))
{
strm = new System.IO.MemoryStream();
sbf = System.Text.Encoding.UTF8.GetBytes(prevlast);
strm.Write(sbf, 0, sbf.Length);
strm.Position = 0;
_prevlast = ser2.ReadObject(strm) as ShortMessage;
}
var result = await svc.NextPageBlockAsync(ApplicationContext.ClientContext, _set, _qexpr, _prevlast);
strm = new System.IO.MemoryStream();
ser3.WriteObject(strm, result);
string json = System.Text.Encoding.UTF8.GetString(strm.ToArray());
return json;
}
}
}
return null;
}
public async Task<string> GetPageItems(string sourceId, string set, string qexpr, string prevlast)
{
JavaScriptSerializer jser = new JavaScriptSerializer();
dynamic sobj = jser.DeserializeObject(set) as dynamic;
EntitySetType type;
if (Enum.TryParse<EntitySetType>(sobj["set"], out type))
{
switch (type)
{
case EntitySetType.User:
{
DataContractJsonSerializer ser1 = new DataContractJsonSerializer(typeof(QueryExpresion));
DataContractJsonSerializer ser2 = new DataContractJsonSerializer(typeof(User));
var ser3 = new JavaScriptSerializer();
System.IO.MemoryStream strm = new System.IO.MemoryStream();
byte[] sbf = System.Text.Encoding.UTF8.GetBytes(qexpr);
strm.Write(sbf, 0, sbf.Length);
strm.Position = 0;
var _qexpr = ser1.ReadObject(strm) as QueryExpresion;
UserServiceProxy svc = new UserServiceProxy();
UserSet _set = new UserSet();
_set.PageBlockSize = int.Parse(sobj["pageBlockSize"]);
_set.PageSize_ = int.Parse(sobj["pageSize"]);
if (sobj.ContainsKey("setFilter"))
_set.SetFilter = sobj["setFilter"];
User _prevlast = null;
if (!string.IsNullOrEmpty(prevlast))
{
strm = new System.IO.MemoryStream();
sbf = System.Text.Encoding.UTF8.GetBytes(prevlast);
strm.Write(sbf, 0, sbf.Length);
strm.Position = 0;
_prevlast = ser2.ReadObject(strm) as User;
}
var result = await svc.GetPageItemsAsync(ApplicationContext.ClientContext, _set, _qexpr, _prevlast);
var ar = new List<dynamic>();
foreach (var e in result)
{
ar.Add(new { Id = e.ID.ToString(), DistinctString = e.DistinctString });
}
string json = ser3.Serialize(ar);
return json;
}
case EntitySetType.Role:
{
DataContractJsonSerializer ser1 = new DataContractJsonSerializer(typeof(QueryExpresion));
DataContractJsonSerializer ser2 = new DataContractJsonSerializer(typeof(Role));
var ser3 = new JavaScriptSerializer();
System.IO.MemoryStream strm = new System.IO.MemoryStream();
byte[] sbf = System.Text.Encoding.UTF8.GetBytes(qexpr);
strm.Write(sbf, 0, sbf.Length);
strm.Position = 0;
var _qexpr = ser1.ReadObject(strm) as QueryExpresion;
RoleServiceProxy svc = new RoleServiceProxy();
RoleSet _set = new RoleSet();
_set.PageBlockSize = int.Parse(sobj["pageBlockSize"]);
_set.PageSize_ = int.Parse(sobj["pageSize"]);
if (sobj.ContainsKey("setFilter"))
_set.SetFilter = sobj["setFilter"];
Role _prevlast = null;
if (!string.IsNullOrEmpty(prevlast))
{
strm = new System.IO.MemoryStream();
sbf = System.Text.Encoding.UTF8.GetBytes(prevlast);
strm.Write(sbf, 0, sbf.Length);
strm.Position = 0;
_prevlast = ser2.ReadObject(strm) as Role;
}
var result = await svc.GetPageItemsAsync(ApplicationContext.ClientContext, _set, _qexpr, _prevlast);
var ar = new List<dynamic>();
foreach (var e in result)
{
ar.Add(new { Id = e.ID.ToString(), DistinctString = e.DistinctString });
}
string json = ser3.Serialize(ar);
return json;
}
case EntitySetType.MemberNotification:
{
DataContractJsonSerializer ser1 = new DataContractJsonSerializer(typeof(QueryExpresion));
DataContractJsonSerializer ser2 = new DataContractJsonSerializer(typeof(MemberNotification));
var ser3 = new JavaScriptSerializer();
System.IO.MemoryStream strm = new System.IO.MemoryStream();
byte[] sbf = System.Text.Encoding.UTF8.GetBytes(qexpr);
strm.Write(sbf, 0, sbf.Length);
strm.Position = 0;
var _qexpr = ser1.ReadObject(strm) as QueryExpresion;
MemberNotificationServiceProxy svc = new MemberNotificationServiceProxy();
MemberNotificationSet _set = new MemberNotificationSet();
_set.PageBlockSize = int.Parse(sobj["pageBlockSize"]);
_set.PageSize_ = int.Parse(sobj["pageSize"]);
if (sobj.ContainsKey("setFilter"))
_set.SetFilter = sobj["setFilter"];
MemberNotification _prevlast = null;
if (!string.IsNullOrEmpty(prevlast))
{
strm = new System.IO.MemoryStream();
sbf = System.Text.Encoding.UTF8.GetBytes(prevlast);
strm.Write(sbf, 0, sbf.Length);
strm.Position = 0;
_prevlast = ser2.ReadObject(strm) as MemberNotification;
}
var result = await svc.GetPageItemsAsync(ApplicationContext.ClientContext, _set, _qexpr, _prevlast);
var ar = new List<dynamic>();
foreach (var e in result)
{
ar.Add(new { Id = e.ID.ToString(), DistinctString = e.DistinctString });
}
string json = ser3.Serialize(ar);
return json;
}
}
}
return null;
}
public static async Task<string> GetNotifications(string set, string qexpr, string prevlast)
{
var cntx = Cntx;
JavaScriptSerializer jser = new JavaScriptSerializer();
dynamic sobj = jser.DeserializeObject(set) as dynamic;
DataContractJsonSerializer ser1 = new DataContractJsonSerializer(typeof(QueryExpresion));
DataContractJsonSerializer ser2 = new DataContractJsonSerializer(typeof(MemberNotification));
var ser3 = new JavaScriptSerializer();
System.IO.MemoryStream strm = new System.IO.MemoryStream();
byte[] sbf = System.Text.Encoding.UTF8.GetBytes(qexpr);
strm.Write(sbf, 0, sbf.Length);
strm.Position = 0;
var _qexpr = ser1.ReadObject(strm) as QueryExpresion;
MemberNotificationServiceProxy svc = new MemberNotificationServiceProxy();
MemberNotificationSet _set = new MemberNotificationSet();
_set.PageBlockSize = int.Parse(sobj["pageBlockSize"]);
_set.PageSize_ = int.Parse(sobj["pageSize"]);
_set.SetFilter = sobj["setFilter"];
string usrId = HttpContext.Current.User.Identity.GetUserId();
if (_set.SetFilter.Contains(usrId))
{
// just in case the script was tempered with by clients.
_set.SetFilter += " && UserRef.ID == \"" + usrId + "\"";
}
MemberNotification _prevlast = null;
if (!string.IsNullOrEmpty(prevlast))
{
strm = new System.IO.MemoryStream();
sbf = System.Text.Encoding.UTF8.GetBytes(prevlast);
strm.Write(sbf, 0, sbf.Length);
strm.Position = 0;
_prevlast = ser2.ReadObject(strm) as MemberNotification;
}
var result = (await svc.GetPageItemsAsync(cntx, _set, _qexpr, _prevlast)).ToArray();
List<dynamic> ar = new List<dynamic>();
Dictionary<int, MemberNotificationType> dic = new Dictionary<int, MemberNotificationType>();
foreach (var e in result)
{
MemberNotificationType c;
if (!dic.TryGetValue(e.TypeID, out c))
{
c = await svc.MaterializeMemberNotificationTypeRefAsync(cntx, e);
c.TypeName = MapCategoryName(c);
dic.Add(e.TypeID, c);
}
ar.Add(new
{
categ = new { Id = c.ID, name = c.TypeName },
data = e
});
}
string json = ser3.Serialize(ar);
return json;
}