public Predicate <object> GetEvaluator <TModel>(params Expression <Func <TModel, TExpected, bool> >[] mathings)
{
// On pourrait imaginer un algo qui match par convention de nom
// On récupère les noms de propriété du model expected
Dictionary <string, string> _filters = new Dictionary <string, string>();
foreach (var item in mathings)
{
var nameModels = MemberFind.Get(item);
var nameModel = nameModels
.Where(c => c.DeclaringType == typeof(TExpected))
.Select(c => c.Name)
.First();
var nameModel2 = nameModels
.Where(c => c.DeclaringType == typeof(TModel))
.Select(c => c.Name)
.First();
_filters.Add(nameModel, nameModel2);
}
var filter = new Filter <TExpected, TModel>(_tree, _filters);
Predicate <object> fnc = a => filter._node.Evaluate(a);
return(fnc);
}
/// <summary>
/// Sort on specific properties
/// </summary>
/// <param name="properties"></param>
public Tree(params Expression <Func <TExpected, object> >[] properties)
{
HashSet <string> hashDedoublon = new HashSet <string>();
List <PropertyInfo> props = new List <PropertyInfo>();
foreach (var item in properties)
{
var member = MemberFind.Get(item).First();
if (hashDedoublon.Add(member.Name))
{
props.Add(member);
}
}
// On ajoute les proprietes manquantes
var p2 = typeof(TExpected).GetProperties(BindingFlags.Instance | BindingFlags.Public);
foreach (var member in p2)
{
if (hashDedoublon.Add(member.Name))
{
props.Add(member);
}
}
_properties = props.ToArray();
}
private static PropertyInfo[] GetProperties <TModel>(Expression <Func <TModel, object> >[] properties)
{
HashSet <string> hashDedoublon = new HashSet <string>();
List <PropertyInfo> props = new List <PropertyInfo>();
foreach (var item in properties)
{
var member = MemberFind.Get(item).First();
if (hashDedoublon.Add(member.Name))
{
props.Add(member);
}
}
return(props.ToArray());
}
