protected override JsonWriter CreateJsonWriter(TextWriter writer)
{
if (writer == null)
{
throw new ArgumentNullException(nameof(writer));
}
var jsonWriter = new ClaimsJsonTextWriter(writer)
{
ArrayPool = pool,
CloseOutput = false,
AutoCompleteOnClose = false
};
return(jsonWriter);
}
private MemoryStream WriteData(NotifyMessageItem[] list, User user)
{
bool haveValue = false;
var stream = new MemoryStream();
using (var streamWriter = new StreamWriter(stream, Encoding.UTF8, 80 * 1024, true))
using (var writer = new ClaimsJsonTextWriter(streamWriter)
{
User = user,
IncludeReferences = false,
IncludeReferencing = false,
CloseOutput = false
})
{
var jsonSerializer = JsonSerializer.Create(jsonSettings);
writer.WriteStartArray();
Type itemType = null;
object id = null;
foreach (var item in list)
{
if (item.Table.ItemType.Type != itemType)
{
if (itemType != null)
{
writer.WriteEndArray();
writer.WriteEndObject();
}
itemType = item.Table.ItemType.Type;
writer.WriteStartObject();
writer.WritePropertyName("Type");
writer.WriteValue(itemType.Name);
writer.WritePropertyName("Items");
writer.WriteStartArray();
}
if (!item.ItemId.Equals(id) &&
(item.UserId != user.Id || item.Type == DBLogType.Delete))
{
id = item.ItemId;
writer.WriteStartObject();
writer.WritePropertyName("Diff");
writer.WriteValue((int)item.Type);
writer.WritePropertyName("User");
writer.WriteValue(item.UserId);
writer.WritePropertyName("Id");
writer.WriteValue(item.ItemId.ToString());
if (item.Type != DBLogType.Delete)
{
var value = item.Table.LoadItemById(item.ItemId);
if (value != null &&
(value.Access?.GetFlag(AccessType.Read, user) ?? false) &&
value.PrimaryId != null)
{
writer.WritePropertyName("Value");
jsonSerializer.Serialize(writer, value, value?.GetType());
haveValue = true;
}
}
else
{
haveValue = true;
}
writer.WriteEndObject();
}
}
writer.WriteEndArray();
writer.WriteEndObject();
writer.WriteEndArray();
writer.Flush();
}
if (!haveValue)
{
stream.Dispose();
stream = null;
}
else
{
stream.Position = 0;
}
return(stream);
}