static ViewModelsReader()
{
// TODO: this could be handled by IoC container not class itself. But maybe it's beter to store this information in static fields? Think about.
persistenceModelDescription = PersistenceModelPropertiesDescriptionGenerator.GenerateDescription(typeof(TPersistenceModel));
viewModelToPersistenceModelMap = ViewModelToPersistenceModelPropertyNamesMapsGenerator.Generate(
typeof(TGridModel), persistenceModelDescription);
projectionsList = ProjectionsGenerator.GenerateProjectionsList(viewModelToPersistenceModelMap);
}
public static ProjectionList GenerateProjectionsList(ViewModelToPersistenceModelPropertyNamesMaps viewModelToPersistenceModelMap)
{
var projectionsList = Projections.ProjectionList();
projectionsList.Add(Projections.Id(), idPropertyName);
foreach (var property in viewModelToPersistenceModelMap.AllProperties.Where(p => p.Key != idPropertyName))
{
projectionsList.Add(Projections.Property(property.Value), property.Key);
}
return(projectionsList);
}
public static QueryOver <TPersistenceModel, TPersistenceModel> ApplyOrder <TPersistenceModel>(
this QueryOver <TPersistenceModel, TPersistenceModel> query,
SortConfiguration sortSettings, ViewModelToPersistenceModelPropertyNamesMaps viewModelToPersistenceModelMap)
where TPersistenceModel : IPersistenceModel
{
if (!viewModelToPersistenceModelMap.AllProperties.ContainsKey(sortSettings.PropertyName))
{
throw new ApplicationException("Property used to sort can not be found in ViewModelToPersistenceModelMap. Grid metamodel is probably broken.");
}
bool ascending = sortSettings.Mode == SortMode.Ascending;
string sortPropertyName = viewModelToPersistenceModelMap.AllProperties[sortSettings.PropertyName];
query.UnderlyingCriteria.AddOrder(new Order(sortPropertyName, ascending));
return(query);
}
public static QueryOver <TPersistenceModel, TPersistenceModel> ApplyFilter <TPersistenceModel, TGridModel>(
this QueryOver <TPersistenceModel, TPersistenceModel> query,
FilterConfiguration <TGridModel> filterConfiguration,
ViewModelToPersistenceModelPropertyNamesMaps viewModelToPersistenceModelMap)
where TPersistenceModel : IPersistenceModel
where TGridModel : IGridModelBase
{
foreach (var condition in filterConfiguration.Conditions)
{
if (!viewModelToPersistenceModelMap.AllProperties.ContainsKey(condition.PropertyName))
{
throw new ApplicationException("Property used to filter records can not be found in ViewModelToPersistenceModelMap. Grid metamodel is probably broken.");
}
string conditionPropertyName = viewModelToPersistenceModelMap.AllProperties[condition.PropertyName];
switch (condition.Operator)
{
case FilterOperator.Select:
query.UnderlyingCriteria.Add(Restrictions.Eq(conditionPropertyName, condition.Value));
break;
case FilterOperator.Like:
query.UnderlyingCriteria.Add(Restrictions.Like(conditionPropertyName, $"%{condition.Value}%"));
break;
case FilterOperator.DateEquals:
var initDate = (DateTime)condition.Value;
var endDate = initDate.AddDays(1).AddSeconds(-1);
query.UnderlyingCriteria.Add(Restrictions.Between(conditionPropertyName, initDate, endDate));
break;
}
}
return(query);
}
