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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using TabularEditor.TOMWrapper;
using TabularEditor.Scripting;
namespace _1stproject
{
public class Class1
{
Model Model;
TabularEditor.UI.UITreeSelection Selected;
public void test()a
{
// Select the columns from your detail fact table that you would like in the agg table.
// Only specify foreign keys or columns used for measures.
var tableName = Selected.Table.Name;
string aggSuffix = "_Agg";
string aggTableName = tableName + aggSuffix;
// Ensure no duplication of agg table
if (!Model.Tables.Any(y => y.Name == aggTableName))
{
// Create agg table
var aggTable = Model.AddTable(aggTableName);
aggTable.IsHidden = true;
int pCount = Model.Tables[tableName].Partitions.Count();
var dataSource = Model.Tables[tableName].Source;
// For multi-partitioned tables
if (pCount > 1)
{
// Add partitions
foreach (var p in Model.Tables[tableName].Partitions.ToList())
{
var aggPartitionName = p.Name.Replace(tableName, aggTableName);
var aggQuery = p.Query.Replace(tableName, aggTableName);
var pName = Model.Tables[aggTableName].AddPartition(aggPartitionName);
// Update Data Source
pName.DataSource = Model.DataSources[dataSource];
// Update Query
pName.Query = aggQuery;
}
// Remove default partition
Model.Tables[aggTableName].Partitions[aggTableName].Delete();
}
// For single-partition tables
else
{
var par = Model.Tables[tableName].Partitions[tableName];
var aggPar = Model.Tables[aggTableName].Partitions[aggTableName];
// Update Data Source
aggPar.DataSource = Model.DataSources[dataSource];
// Update Query
aggPar.Query = par.Query.Replace(tableName, aggTableName);
}
foreach (var c in Selected.Columns)
{
// Add Columns
string columnName = c.Name;
bool hide = c.IsHidden;
var colfs = c.FormatString;
var dt = c.DataType;
var sourceColumn = (Model.Tables[tableName].Columns[columnName] as DataColumn).SourceColumn;
// Add Column Properties
var obj = Model.Tables[aggTableName].AddDataColumn(columnName);
obj.SourceColumn = sourceColumn;
obj.IsHidden = hide;
obj.FormatString = colfs;
obj.DataType = dt;
// Add Relationships
foreach (var r in Model.Relationships.ToList().Where(a => a.FromTable == Model.Tables[tableName] && a.FromColumn == Model.Tables[tableName].Columns[columnName]))
{
var addRel = Model.AddRelationship();
addRel.FromColumn = Model.Tables[aggTableName].Columns[columnName];
addRel.ToColumn = Model.Tables[r.ToTable.Name].Columns[r.ToColumn.Name];
addRel.CrossFilteringBehavior = r.CrossFilteringBehavior;
addRel.SecurityFilteringBehavior = r.SecurityFilteringBehavior;
addRel.IsActive = r.IsActive;
Model.Tables[aggTableName].Columns[columnName].SetAnnotation(aggTableName, "ForeignKey");
Model.Tables[tableName].Columns[columnName].SetAnnotation(aggTableName, "ForeignKey");
}
// For non-key columns, create agg measures
if (Model.Tables[aggTableName].Columns[columnName].GetAnnotation(aggTableName) == null)
{
foreach (var x in Model.Tables[tableName].Columns[columnName].ReferencedBy.OfType<Measure>().ToList())
{
var newMeasureName = x.Name + aggSuffix;
var measureDAX = x.Expression;
var newDAX = measureDAX.Replace(tableName + "[" + columnName + "]", aggTableName + "[" + columnName + "]");
newDAX = newDAX.Replace("'" + tableName + "'" + "[" + columnName + "]", "'" + aggTableName + "'" + "[" + columnName + "]");
var fs = x.FormatString;
var df = x.DisplayFolder;
var k = x.KPI;
// Create agg measure, format same as non-agg measure
var newMeasure = Model.Tables[aggTableName].AddMeasure(newMeasureName);
newMeasure.Expression = newDAX;
// FormatDax(newMeasure);
newMeasure.IsHidden = true;
newMeasure.FormatString = fs;
newMeasure.DisplayFolder = df;
newMeasure.KPI = k;
// Add new measures to respective perspectives
foreach (var p in Model.Perspectives.ToList())
{
foreach (var mea in Model.AllMeasures.Where(a => a.Name == x.Name))
{
bool inPer = mea.InPerspective[p];
newMeasure.InPerspective[p] = inPer;
// Set Annotations for base measures
mea.SetAnnotation(aggTableName, "BaseMeasure");
}
}
// Set annotation denoting column as an agg column
Model.Tables[aggTableName].Columns[columnName].SetAnnotation(aggTableName, "AggColumn");
Model.Tables[tableName].Columns[columnName].SetAnnotation(aggTableName, "AggColumn");
}
}
// Add columns to respective perspective(s)
foreach (var p in Model.Perspectives.ToList())
{
bool inPersp = c.InPerspective[p];
obj.InPerspective[p] = inPersp;
}
}
// Initialize DAX Statement string for Agg-check measure
var sb = new System.Text.StringBuilder();
sb.Append("IF (");
// Create ISCROSSFILTERED Statement
foreach (var c in Model.Tables[tableName].Columns.Where(b => b.GetAnnotation(aggTableName) != "ForeignKey" && b.GetAnnotation(aggTableName) != "AggColumn").ToList())
{
foreach (var r in Model.Relationships.ToList().Where(a => a.FromTable == Model.Tables[tableName] && a.FromColumn == Model.Tables[tableName].Columns[c.Name]))
{
sb.Append("ISCROSSFILTERED('" + r.ToTable.Name + "') || ");
Model.Tables[tableName].Columns[c.Name].SetAnnotation(aggTableName, "ForeignKeyNotInAgg");
}
}
// Create ISFILTERED Statement
foreach (var c in Model.Tables[tableName].Columns.Where(b => b.GetAnnotation(aggTableName) == null).ToList())
{
sb.Append("ISFILTERED('" + tableName + "'[" + c.Name + "]) || ");
}
string dax = sb.ToString(0, sb.Length - 3) + ",0,1)";
var m = Model.Tables[aggTableName].AddMeasure(aggTableName + "check");
m.Expression = dax;
// FormatDax(m);
m.IsHidden = true;
// Add Agg-check measure to respective perspective(s)
foreach (var t in Model.Tables.Where(a => a.Name == tableName))
{
foreach (var p in Model.Perspectives.ToList())
{
bool inPersp = t.InPerspective[p];
m.InPerspective[p] = inPersp;
}
}
}
// Update non-agg measures to switch between agg & non-agg
foreach (var a in Model.AllMeasures.Where(a => a.GetAnnotation(aggTableName) == "BaseMeasure").ToList())
{
a.Expression = "IF([" + aggTableName + "check] = 1,[" + a.Name + aggSuffix + "]," + a.Expression + ")";
/// FormatDax(a);
}
}
}
}