private static ObservableCollection <TableModifierModel> LoadTableTemplates(List <TableModifier> userConfigTemplates, SchemaMetadata schemaMetadata)
{
var returnVM = new ObservableCollection <TableModifierModel>();
foreach (var tableMetadata in schemaMetadata)
{
var tableVM = new TableModifierModel();
tableVM._name = tableMetadata.Name;
List <DataBuilder> userConfigDataBuilders = null;
List <DerivativeSubTable> userConfigDerivativeSubTable = null;
ForeignKeys userConfigFk = null;
var userConfigTemplate = userConfigTemplates.FirstOrDefault(t => t.Name.ToLower() == tableMetadata.Name);
if (userConfigTemplate != null)
{
userConfigDataBuilders = userConfigTemplate.DataBuilders;
if (userConfigTemplate.DerativeTables != null)
{
tableVM._derativeTablesGlobalAccess = userConfigTemplate.DerativeTables.GlobalAccess;
tableVM._derativeTablesGlobalCascade = userConfigTemplate.DerativeTables.GlobalCascade;
userConfigDerivativeSubTable = userConfigTemplate.DerativeTables.DerativeSubTables;
}
if (userConfigTemplate.ForeignKeys != null)
{
userConfigFk = userConfigTemplate.ForeignKeys;
}
tableVM._isStatic = userConfigTemplate.IsStatic;
}
tableVM._dataBuilders = LoadDataBuildersTemplate(userConfigDataBuilders, tableMetadata.ColumnsDefinition);
tableVM._derivativeTables = LoadDerivativeTableTemplate(userConfigDerivativeSubTable, tableMetadata.DerivativeTables);
tableVM._foreignKeys = LoadForeingKeyTemplate(userConfigFk, tableMetadata.ForeignKeys);
returnVM.Add(tableVM);
}
return(returnVM);
}
private static bool MergeTable(TableModifierModel mergedTable,
List <TableModifier> userConfigTables,
TableMetadata defaultTable)
{
var hasChange = false;
var userConfigTable = userConfigTables.FirstOrDefault(t => t.Name == mergedTable.Name);
if (defaultTable == null)
{
hasChange = true;
}
//Add new
if (userConfigTable == null)
{
userConfigTable = new TableModifier {
Name = mergedTable.Name
};
userConfigTables.Add(userConfigTable);
}
userConfigTable.IsStatic = mergedTable.IsStatic;
userConfigTable.DerativeTables.GlobalAccess = mergedTable.DerativeTablesGlobalAccess;
userConfigTable.DerativeTables.GlobalCascade = mergedTable.DerativeTablesGlobalCascade;
if (mergedTable.IsStatic ||
mergedTable.DerativeTablesGlobalAccess != DerivativeTableAccess.NotSet ||
mergedTable.DerativeTablesGlobalCascade == true)
{
hasChange = true;
}
//Clear
userConfigTable.ForeignKeys.ForeignKeyAdd = new List <ForeignKeyAdd>();
userConfigTable.ForeignKeys.ForeignKeyRemove = new ForeignKeyRemove();
userConfigTable.DerativeTables.DerativeSubTables = new List <DerivativeSubTable>();
userConfigTable.DataBuilders = new List <DataBuilder>();
//Merge FK
for (int i = mergedTable.ForeignKeys.Count - 1; i >= 0; i--)
{
var mergedFk = mergedTable.ForeignKeys[i];
var defaultFk = defaultTable.ForeignKeys.FirstOrDefault(f => f.ServerIdTo.ToString() == mergedFk.ServerIdTo &&
f.DatabaseTo == mergedFk.DatabaseTo &&
f.SchemaTo == mergedFk.SchemaTo &&
f.TableTo == mergedFk.TableTo);
if (MergeForeignKey(mergedFk, mergedTable.ForeignKeys, userConfigTable.ForeignKeys, defaultFk, defaultTable.ColumnsDefinition))
{
hasChange = true;
}
}
//Merge derivative table
for (int i = mergedTable.DerivativeTables.Count - 1; i >= 0; i--)
{
var mergedDerivativeTable = mergedTable.DerivativeTables[i];
var defaultDt = defaultTable.DerivativeTables.FirstOrDefault(d => d.ServerId.ToString() == mergedDerivativeTable.ServerId &&
d.Database == mergedDerivativeTable.Database &&
d.Schema == mergedDerivativeTable.Schema &&
d.Table == mergedDerivativeTable.Table);
if (MergedDerivativeTable(mergedDerivativeTable, mergedTable.DerivativeTables, userConfigTable.DerativeTables, defaultDt))
{
hasChange = true;
}
}
//Merge data builders
foreach (var mergedDataBuilder in mergedTable.DataBuilders)
{
if (MergeDataBuilders(mergedDataBuilder, userConfigTable.DataBuilders))
{
hasChange = true;
}
}
//Cleaning
if (!userConfigTable.DataBuilders.Any())
{
userConfigTable.DataBuilders = null;
}
if (!userConfigTable.ForeignKeys.ForeignKeyAdd.Any())
{
userConfigTable.ForeignKeys.ForeignKeyAdd = null;
}
if (!userConfigTable.ForeignKeys.ForeignKeyRemove.Columns.Any())
{
userConfigTable.ForeignKeys.ForeignKeyRemove = null;
}
if (userConfigTable.ForeignKeys.ForeignKeyAdd == null &&
userConfigTable.ForeignKeys.ForeignKeyRemove == null)
{
userConfigTable.ForeignKeys = null;
}
if (mergedTable.DerativeTablesGlobalAccess == DerivativeTableAccess.NotSet &&
mergedTable.DerativeTablesGlobalCascade == false &&
!userConfigTable.DerativeTables.DerativeSubTables.Any())
{
userConfigTable.DerativeTables = null;
}
//If no change has been detected with the default config
if (!hasChange)
{
userConfigTables.Remove(userConfigTable);
}
return(hasChange);
}