public static ListItem GetCamlListItem(this XElement xmlNode)
{
ListItem item = new ListItem();
item.Fields =
(from att in xmlNode.Attributes()
where att.Name.LocalName.StartsWith("ows_")
select new KeyValuePair<string, string>(
att.Name.LocalName.Substring("ows_".Length),
att.Value)).ToList();
item.ID = Int32.Parse(item["ID"]);
return item;
}
/// <summary>
/// Try to fill a ListItem object from a datarow
/// </summary>
/// <param name="item">the ListItem object</param>
/// <param name="row">the DataRow object</param>
/// <param name="e">the first exception of conversion or null for success conversion</param>
private void MapDataRowToListItem(DataRow row, ListItem item, out Exception e)
{
if (item == null)
throw new ArgumentNullException("item");
if (row == null)
throw new ArgumentNullException("row");
e = null;
if (item.Fields == null)
{
item.Fields = new List<KeyValuePair<string, string>>();
}
foreach (DataColumn column in row.Table.Columns)
{
string fieldName = GetServerColumnFromClientColumn(column.ColumnName);
if (fieldName == null)
continue;
if (this.DataColumns.Count > 0 &&
!this.DataColumns.Contains(fieldName))
continue;
string fieldValue;
if (column.DataType == typeof(DateTime) && row[column] != null)
//fieldValue = ((DateTime)row[column]).ToString("yyyy-MM-ddTHH:mm:ssZ");
//FIX FOR DBNULL DATETIME
{
if (row[column] is DBNull)
fieldValue = (DateTime.Now).ToString("yyyy-MM-ddTHH:mm:ssZ");
else
fieldValue = ((DateTime)row[column]).ToString("yyyy-MM-ddTHH:mm:ssZ");
}
//END OF FIX FOR DBNULL DATETIME
else
fieldValue = row[column].ToString();
item.Fields.Add(new KeyValuePair<string, string>(fieldName, fieldValue));
// FIX: Is there any columns that must not mapped to fields?
// this maybe result to error from the sharepoint-side
}
}
/// <summary>
/// Try to fill a DataRow object from a list item
/// </summary>
/// <param name="item">the ListItem object</param>
/// <param name="row">the DataRow object</param>
/// <param name="e">the first exception of conversion or null for success conversion</param>
private void MapListItemToDataRow(ListItem item, DataRow row, out Exception e)
{
e = null;
if (item == null)
throw new ArgumentNullException("item");
if (row == null)
throw new ArgumentNullException("row");
foreach (KeyValuePair<string, string> cell in item.Fields)
{
DataColumn col = null;
string columnName = GetClientColumnFromServerColumn(cell.Key);
if (columnName == null)
continue;
if (row.Table.Columns.Contains(columnName))
col = row.Table.Columns[columnName];
try
{
if (col != null)
{
if (col.DataType == typeof(String))
row[col] = cell.Value;
else if (col.DataType == typeof(int))
row[col] = ParseIntOrLookupID(cell.Value); // lookup
else if (col.DataType == typeof(Guid))
row[col] = new Guid(cell.Value);
else if (col.DataType == typeof(DateTime))
row[col] = DateTime.Parse(cell.Value);
else if (col.DataType == typeof(Boolean))
row[col] = (cell.Value == "1" ? true : false);
else if (col.DataType == typeof(float) || col.DataType == typeof(double))
row[col] = ParseFloat(cell.Value);
else
row[col] = cell.Value;
}
}
catch (Exception ex)
{
if (e == null)
e = ex;
e = new Exception(ex.Message + " || LLLLLLL " + row.Table.TableName + row.Table.Columns[columnName].DataType.ToString() + "," + col.ColumnName + "," + cell.Value.ToString() + "," + col.DataType.ToString() + "," + cell.Key + "," + cell.GetType().ToString() + ",|" + CultureInfo.CurrentCulture.NumberFormat.CurrencyDecimalSeparator + ",|" + CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="inserts"></param>
/// <param name="updates"></param>
/// <param name="deletes"></param>
/// <param name="connection"></param>
/// #UPLOAD 3
public void Update(DataTable changes, SpConnection connection, out Collection<SyncConflict> errors)
{
errors = new Collection<SyncConflict>();
if (changes == null)
throw new ArgumentNullException("changes");
if (connection == null)
throw new ArgumentNullException("connection");
int _batchSize = 25;
int segmentsCount = (int)Math.Round( Math.Ceiling((double)changes.Rows.Count/ _batchSize),0);
if (IgnoreColumnsOnUpdate != null)
{
// case to be handled
// cannot remove Sharepoint ID.
// cannot remove Primary Key of DataTable?
foreach (string ignoredColumn in IgnoreColumnsOnUpdate)
{
string clientColumn = GetClientColumnFromServerColumn(ignoredColumn);
if (clientColumn != null &&
changes.Columns.Contains(clientColumn))
{
changes.Columns.Remove(clientColumn);
}
}
}
DataTable changesTotal = changes.Copy();
for (int i = 0; i < segmentsCount; i++)
{
changes.Rows.Clear();
CopyRows(changesTotal, changes, i * _batchSize, _batchSize);
//SEND SEGMENT
UpdateBatch batch = new UpdateBatch();
string clientIdColumn = GetClientColumnFromServerColumn("ID");
if (!changes.Columns.Contains(clientIdColumn))
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, Messages.ColumnIDNotContained, clientIdColumn));
IDictionary<int, DataRow> IdMapping = new Dictionary<int, DataRow>();
foreach (DataRow row in changes.Rows)
{
UpdateItem u = batch.CreateNewItem();
switch (row.RowState)
{
case DataRowState.Added:
u.Command = UpdateCommands.Insert;
break;
case DataRowState.Deleted:
u.Command = UpdateCommands.Delete;
break;
case DataRowState.Modified:
u.Command = UpdateCommands.Update;
break;
case DataRowState.Unchanged:
continue;
}
if (u.Command == UpdateCommands.Delete)
row.RejectChanges();
if (u.Command != UpdateCommands.Insert)
{
if (!(row[clientIdColumn] is DBNull))
{
u.ListItemID = (int)row[clientIdColumn];
}
else
{
continue;
}
}
if (u.Command != UpdateCommands.Delete)
{
ListItem item = new ListItem();
Exception e;
MapDataRowToListItem(row, item, out e);
u.ChangedItemData = item;
if (e != null && SyncTracer.IsErrorEnabled())
SyncTracer.Error(e.ToString());
}
batch.Add(u);
IdMapping[u.ID] = row;
if (u.Command == UpdateCommands.Delete)
row.Delete();
}
if (batch.Count != 0)
{
//try
//{
UpdateResults results = connection.UpdateListItems(this.ListName, batch);
// FIX: errors must be handled appropriately
foreach (UpdateResult r in results)
{
if (!r.IsSuccess())
{
if (!IdMapping.ContainsKey(r.UpdateItemID))
throw new InvalidOperationException(
String.Format(CultureInfo.CurrentCulture, Messages.NoIDMapping, r.UpdateItemID));
DataRow clientRow = IdMapping[r.UpdateItemID];
errors.Add(CreateSyncError(r, clientRow));
}
}
//}
//catch (Exception ex)
//{
////usually connection error
// foreach (UpdateItem item in batch)
// {
// if (!IdMapping.ContainsKey(item.ID))
// throw new InvalidOperationException(
// String.Format(CultureInfo.CurrentCulture, Messages.NoIDMapping, r.UpdateItemID));
// DataRow clientRow = IdMapping[item.ID];
// errors.Add(CreateSyncError(new UpdateResult(, clientRow));
// }
//}
}
//END SEND SEGMENT
}
if (errors.Count == 0)
errors = null;
}
