/// <summary>Clones this instance.</summary>
/// <returns>A clone of this instance</returns>
public override DataTable Clone()
{
MessagesInThreadTypedList cloneToReturn = ((MessagesInThreadTypedList)(base.Clone()));
cloneToReturn.InitMembers();
return(cloneToReturn);
}
/// <summary>
/// Constructs a TypedList with all the messages in the thread given. Poster info is included, so the
/// returned dataview is bindable at once to the message list repeater.
/// </summary>
/// <param name="threadID">ID of Thread which messages should be returned</param>
/// <param name="pageNo">The page no.</param>
/// <param name="pageSize">Size of the page.</param>
/// <returns>TypedList with all messages in the thread for the page specified</returns>
public static MessagesInThreadTypedList GetAllMessagesInThreadAsTypedList(int threadID, int pageNo, int pageSize)
{
// we'll use a typedlist, MessagesInThread to pull the necessary data from the db. The typedlist contains fields from
// message, user and usertitle.
MessagesInThreadTypedList messages = new MessagesInThreadTypedList();
//create the filter with the threadID passed to the method.
PredicateExpression filter = new PredicateExpression(MessageFields.ThreadID == threadID);
// Sort Messages on posting date, ascending, so the first post is located on top.
SortExpression sorter = new SortExpression(MessageFields.PostingDate.Ascending());
// fetch the data into the typedlist. Pass in the paging information as well, to perform server-side paging.
messages.Fill(0, sorter, true, filter, null, null, pageNo, pageSize);
// update thread entity directly inside the DB with a non-transactional update statement so the # of views is increased by one.
ThreadEntity updater = new ThreadEntity();
// set the NumberOfViews field to an expression which increases it by 1
updater.Fields[(int)ThreadFieldIndex.NumberOfViews].ExpressionToApply = (ThreadFields.NumberOfViews + 1);
updater.IsNew = false;
// update the entity directly, and filter on the PK
ThreadCollection threads = new ThreadCollection();
threads.UpdateMulti(updater, (ThreadFields.ThreadID == threadID));
// return the constructed typedlist
return messages;
}
/// <summary>CTor</summary>
/// <param name="rowBuilder">Row builder object to use when building this row</param>
protected internal MessagesInThreadRow(DataRowBuilder rowBuilder) : base(rowBuilder)
{
_parent = ((MessagesInThreadTypedList)(this.Table));
}
