private QvxTable GetData(ScriptCode script, ConnectorParameter parameter)
{
try
{
var qlikApp = AppInstance.GetQlikInstance(parameter, script.AppId);
if (qlikApp == null)
{
return(new QvxTable());
}
foreach (var filter in script.Filter)
{
logger.Debug($"Filter: {filter}");
foreach (var value in filter.Values)
{
logger.Debug($"");
var result = qlikApp.FirstSession.Selections.SelectValue(filter.Name, value);
if (result == false)
{
logger.Error($"The Dimension \"{filter.Name}\" could not found.");
return(null);
}
}
}
var resultTable = tableFunctions.GetTableInfosFromApp($"Table_{script.AppId}_{script.ObjectId}", script, parameter, qlikApp);
return(resultTable.QvxTable);
}
catch (Exception ex)
{
logger.Error(ex, "The table script can not be executed.");
return(new QvxTable());
}
}
public override QvxDataTable ExtractQuery(string query, List <QvxTable> tables)
{
try
{
AppInstance.LoadMemory();
logger.Debug($"Parse query {query}");
var script = ScriptCode.Parse(query);
if (script == null)
{
throw new Exception("The sql script is not valid.");
}
var parameter = ConnectorParameter.Create(MParameters);
var qvxTable = GetData(script, parameter);
var result = new QvxDataTable(qvxTable);
result.Select(qvxTable.Fields);
AppInstance.SaveMemory();
AppInstance.Dispose();
logger.Debug($"Send result table {qvxTable.TableName}");
return(result);
}
catch (Exception ex)
{
logger.Error(ex, "The query could not be executed.");
LogManager.Flush();
return(new QvxDataTable(new QvxTable()
{
TableName = "Error"
}));
}
}
private QvDataContractResponse GetFields(ConnectorParameter parameter, string appId, string objectId)
{
try
{
var oId = GetObjectId(objectId);
if (String.IsNullOrEmpty(oId))
{
throw new Exception("no object id for field table found.");
}
var script = ScriptCode.Create(appId, oId);
var resultTable = tableFunctions.GetTableInfosFromApp("FieldTable", script, parameter);
if (resultTable == null)
{
throw new Exception("no field table found.");
}
return(new QvDataContractFieldListResponse {
qFields = resultTable.QvxTable.Fields
});
}
catch (Exception ex)
{
logger.Error(ex, $"fields from app {appId} and table {objectId} not loaded.");
return(new QvDataContractFieldListResponse {
qFields = new QvxField[0]
});
}
}
private QvDataContractResponse GetPreview(UserParameter parameter, string appId, string objectId)
{
q2gconhypercubemain.Connection connection = null;
try
{
var oId = GetObjectId(objectId);
if (String.IsNullOrEmpty(oId))
{
throw new Exception("no object id for preview table found.");
}
var config = QlikApp.CreateConfig(parameter, appId);
var qlikApp = new QlikApp(parameter);
connection = qlikApp.CreateNewConnection(config);
var script = ScriptCode.Create(appId, oId);
var resultTable = tableFunctions.GetTableInfosFromApp("PreviewTable", script, connection.CurrentApp);
if (resultTable == null)
{
throw new Exception("no preview table found.");
}
return(PreviewResponse.Create(resultTable.Preview));
}
catch (Exception ex)
{
logger.Error(ex, $"fields from app {appId} and table {objectId} not loaded.");
return(new PreviewResponse());
}
finally
{
connection?.Close();
}
}
private bool IsUsedField(string field, ScriptCode code)
{
if (code.Fields.Count == 0)
{
return(true);
}
return(code.Fields.IndexOf(field) > -1);
}
public static ScriptCode Parse(string script)
{
try
{
var resultScript = new ScriptCode(script);
if (resultScript.Read())
{
return(resultScript);
}
return(null);
}
catch (Exception ex)
{
throw new Exception("The script is not valid.", ex);
}
}
private ResultTable GetData(ScriptCode script, UserParameter parameter)
{
q2gconhypercubemain.Connection connection = null;
try
{
var config = QlikApp.CreateConfig(parameter, script.AppId);
var qlikApp = new QlikApp(parameter);
connection = qlikApp.CreateNewConnection(config);
if (!connection.Connect())
{
return(null);
}
foreach (var filter in script.Filter)
{
logger.Debug($"Filter: {filter}");
foreach (var value in filter.Values)
{
var selection = new QlikSelections(connection.CurrentApp);
var result = selection.SelectValue(filter.Name, value);
if (result == false)
{
logger.Error($"The Dimension \"{filter.Name}\" could not found.");
return(null);
}
}
}
var resultTable = tableFunctions.GetTableInfosFromApp($"Table_{script.AppId}_{script.ObjectId}", script, connection.CurrentApp);
return(resultTable.QvxTable);
}
catch (Exception ex)
{
logger.Error(ex, "The table script can not be executed.");
return(null);
}
finally
{
connection?.Close();
}
}
private QvDataContractResponse GetFields(UserParameter parameter, string appId, string objectId)
{
q2gconhypercubemain.Connection connection = null;
using (MappedDiagnosticsLogicalContext.SetScoped("connectionId", connection?.ConnId))
{
try
{
var oId = GetObjectId(objectId);
if (String.IsNullOrEmpty(oId))
{
throw new Exception("no object id for field table found.");
}
var script = ScriptCode.Create(appId, oId);
var config = QlikApp.CreateConfig(parameter, appId);
var qlikApp = new QlikApp(parameter);
connection = qlikApp.CreateNewConnection(config);
var resultTable = tableFunctions.GetTableInfosFromApp("FieldTable", script, connection.CurrentApp);
if (resultTable == null)
{
throw new Exception("no field table found.");
}
var qvxTable = TableUtilities.ConvertTable(resultTable.QvxTable);
return(new QvDataContractFieldListResponse {
qFields = qvxTable.Fields
});
}
catch (Exception ex)
{
logger.Error(ex, $"fields from app {appId} and table {objectId} not loaded.");
return(new QvDataContractFieldListResponse {
qFields = new QvxField[0]
});
}
finally
{
connection?.Close();
}
}
}
private QvDataContractResponse GetPreview(ConnectorParameter parameter, string appId, string objectId)
{
try
{
var oId = GetObjectId(objectId);
if (String.IsNullOrEmpty(oId))
{
throw new Exception("no object id for preview table found.");
}
var script = ScriptCode.Create(appId, oId);
var resultTable = tableFunctions.GetTableInfosFromApp("PreviewTable", script, parameter);
if (resultTable == null)
{
throw new Exception("no preview table found.");
}
return(resultTable.Preview);
}
catch (Exception ex)
{
logger.Error(ex, $"fields from app {appId} and table {objectId} not loaded.");
return(new TableFunc.PreviewResponse());
}
}
public TableHelper GetTableInfosFromApp(string tableName, ScriptCode script, ConnectorParameter parameter, QlikApp qlikApp = null)
{
try
{
var resultTable = new QvxTable()
{
TableName = tableName,
};
HyperCubePager pager = null;
IEnumerable <int> columnOrder = null;
var fields = new List <QvxField>();
var rows = new List <QvxDataRow>();
var size = new Size();
if (qlikApp == null)
{
qlikApp = AppInstance.GetQlikInstance(parameter, script.AppId);
}
if (qlikApp == null)
{
return(null);
}
var masterObject = qlikApp.FirstSession.CurrentApp.GetMasterObjectAsync(script.ObjectId).Result;
if (masterObject != null)
{
logger.Debug($"find master object: {script.ObjectId}");
var genericObject = qlikApp.FirstSession.CurrentApp.CreateGenericSessionObjectAsync(masterObject.Properties).Result;
pager = genericObject.GetAllHyperCubePagers().FirstOrDefault() ?? null;
var tableLayout = genericObject.GetLayout().As <TableLayout>();
var hyperCube = tableLayout.HyperCube;
columnOrder = hyperCube.ColumnOrder;
size = hyperCube.Size;
fields.AddRange(GetHyperCubeFields(hyperCube.DimensionInfo, hyperCube.MeasureInfo, script));
}
var table = qlikApp.FirstSession.CurrentApp.GetObjectAsync <Table>(script.ObjectId).Result;
if (table != null)
{
logger.Debug($"table object: {script.ObjectId}");
pager = table.HyperCubePager;
columnOrder = table.ColumnOrder;
size = table.Size;
fields.AddRange(GetHyperCubeFields(table.DimensionInfo, table.MeasureInfo, script));
}
var preview = new PreviewResponse()
{
MaxCount = 15,
};
if (script != null)
{
var initalPage = new NxPage {
Top = 0, Left = 0, Width = size.cx, Height = preview.MaxCount
};
var allPages = new List <IEnumerable <NxDataPage> >();
allPages.Add(pager.GetData(new List <NxPage>()
{
initalPage
}));
if (script.Full)
{
var pageHeight = Math.Min(size.cy * size.cx, 5000) / size.cx;
logger.Debug($"read data - column count: {size.cx}");
initalPage = new NxPage {
Top = 0, Left = 0, Width = size.cx, Height = pageHeight
};
allPages = pager.IteratePages(new[] { initalPage }, Pager.Next).ToList();
preview.MaxCount = 0;
}
if (allPages == null)
{
throw new Exception($"no dimension in table {script.ObjectId} exits.");
}
logger.Debug($"read pages - count {allPages.Count}");
foreach (var page in allPages)
{
var allMatrix = page?.SelectMany(p => p.Matrix);
foreach (var matrix in allMatrix)
{
var row = new QvxDataRow();
var hrow = new PreviewRow();
var drow = new PreviewRow();
foreach (var order in columnOrder)
{
if (order < fields.Count)
{
var field = fields[order];
row[field] = matrix[order].Text;
if (!preview.qPreview.Any(s => s.qValues.Contains(field.FieldName)))
{
hrow.qValues.Add(field.FieldName);
}
if (preview.qPreview.Count <= preview.MaxCount)
{
drow.qValues.Add(matrix[order].Text);
}
}
}
rows.Add(row);
if (hrow.qValues.Count > 0)
{
preview.qPreview.Add(hrow);
}
if (drow.qValues.Count > 0)
{
preview.qPreview.Add(drow);
}
}
}
}
resultTable.Fields = fields.ToArray();
resultTable.GetRows = () => { return(rows); };
logger.Debug($"return table {resultTable.TableName}");
return(new TableHelper(resultTable, preview));
}
catch (Exception ex)
{
logger.Error(ex, "can´t read table infos.");
return(null);
}
}
private List <QvxField> GetHyperCubeFields(IEnumerable <TableHyperCubeDimensionq> dimensions, IEnumerable <TableHyperCubeMeasureq> measures, ScriptCode script = null)
{
var fields = new List <QvxField>();
try
{
foreach (var dimInfo in dimensions)
{
if (IsUsedField(dimInfo.FallbackTitle, script))
{
fields.Add(new QvxField(dimInfo.FallbackTitle, QvxFieldType.QVX_TEXT,
QvxNullRepresentation.QVX_NULL_FLAG_SUPPRESS_DATA,
QlikView.Qvx.QvxLibrary.FieldAttrType.ASCII));
}
}
foreach (var measureInfo in measures)
{
if (IsUsedField(measureInfo.FallbackTitle, script))
{
fields.Add(new QvxField(measureInfo.FallbackTitle, QvxFieldType.QVX_TEXT,
QvxNullRepresentation.QVX_NULL_FLAG_SUPPRESS_DATA,
QlikView.Qvx.QvxLibrary.FieldAttrType.ASCII));
}
}
return(fields);
}
catch (Exception ex)
{
logger.Error(ex, "can´t read hypercube fields.");
return(fields);
}
}
