public IEnumerable <dynamic> SelectManyRelatedTo(IEnumerable <dynamic> models, dynamic options)
{
if (DiscardCache(options))
{
selectManyRelatedToCache = null;
}
if (selectManyRelatedToCache != null)
{
return(selectManyRelatedToCache);
}
var many = Repository.Query(SelectClause(models.ToArray())).ToList();
foreach (var item in many)
{
var model = models.First(s => s.Id == item.GetMember(fromColumn));
item.SetMember(model.GetType().Name, new DynamicFunction(() => model));
}
selectManyRelatedToCache = new DynamicModels(many);
return(selectManyRelatedToCache);
}
public override void AddNewAssociationMethod(DynamicModels collection, dynamic model)
{
collection.SetMember(
"New",
new DynamicFunctionWithParam(attributes =>
{
return(EntityFor(model, attributes));
}));
}
private void AddNewAssociationMethod(DynamicModels collection, DynamicModel model)
{
collection.SetMember(
"New",
new DynamicFunctionWithParam(attributes =>
{
return(EntityFor(attributes));
}));
}
private DynamicFunctionWithParam Query(DynamicModel model)
{
return((options) =>
{
if (DiscardCache(options))
{
cachedCollection = null;
}
if (cachedCollection != null)
{
return cachedCollection;
}
cachedCollection = new DynamicModels(Repository.Query(SelectClause(model)));
AddNewAssociationMethod(cachedCollection, model);
return cachedCollection;
});
}
public DynamicModels Execute(dynamic options,
DynamicRepository repository,
string associationName,
string selectClause,
IEnumerable <dynamic> models,
string parentMemberName)
{
if (ShouldDiscardCache(options))
{
Cache = null;
}
if (Cache != null)
{
return(Cache);
}
var many = repository.Query(selectClause).ToList();
foreach (var item in many)
{
var model = models.First(s => s.Id == item.GetMember(parentMemberName));
item.SetMember(model.GetType().Name, model);
}
foreach (var model in models)
{
var assocation = model.AssociationNamed(associationName);
var relatedTo = many.Where(s => s.GetMember(model.GetType().Name).Equals(model)).Select(s => s);
assocation.EagerLoadMany.Cache = new DynamicModels(relatedTo);
assocation.AddNewAssociationMethod(assocation.EagerLoadMany.Cache, model);
}
return(new DynamicModels(many));
}
private bool EagerLoad(string collectionName, object[] args, out object result)
{
result = new HashSet <dynamic>();
if (!Models.Any())
{
return(true);
}
dynamic options = null;
if (args.Any())
{
options = args[0];
}
foreach (var m in Models)
{
var association = m.AssociationNamed(collectionName);
IEnumerable <dynamic> values = association.EagerLoad(Models, options);
foreach (var v in values)
{
(result as HashSet <dynamic>).Add(v);
}
if (association is SingleAssociation)
{
break;
}
}
result = new DynamicModels(result as HashSet <dynamic>);
return(true);
}
public override void AddNewAssociationMethod(DynamicModels collection, dynamic model)
{
collection.SetMember("New", NewItemDelegate(model));
}
public virtual void AddNewAssociationMethod(DynamicModels collection, dynamic model)
{
collection.SetMember("New", NewItemDelegate());
}
public virtual void AddRepository(DynamicModels collection, DynamicRepository repository)
{
collection.SetMember("Repository", repository);
}