// Recherche
public static IQueryable <TModel> Search <TModel>(this IQueryable <TModel> source, string search) where TModel : ModelBase
{
var queryExpr = source.Expression;
var type = typeof(TModel);
var parameterExpression = Expression.Parameter(type, "x");
var constant = Expression.Constant("");
var property = Expression.Property(parameterExpression, "lastname");
var expression = Expression.Equal(property, constant);
string test = search;
//http://xxxxx/catalog/v1/products/search?name=*napoli*&type=pizza,pate&sort=rating,name
//search = "Firstname=iso,jean&email&firstname";
var SearchValues = search.Trim().Split('&').Select(x => x.Trim()).ToList();
// equal Case
foreach (var SearchProperty in SearchValues)
{
var Tosplit = SearchProperty.Split("=");
if (Tosplit.Length <= 1)
{
continue;
}
var propertyToincludeInSearch = Tosplit[0]; //property to Filter
string fieldsToSearch = Tosplit[1]; //table of properties
//case equal
foreach (var item in fieldsToSearch.Split(","))
{
if (string.IsNullOrEmpty(item))
{
continue;
}
constant = Expression.Constant(item);
var property2 = Expression.Property(parameterExpression, propertyToincludeInSearch);
var expression2 = Expression.Equal(property2, constant);
expression = Expression.Or(expression, expression2);
}
}// End equal case
var lambda = Expression.Lambda <Func <TModel, bool> >(expression, parameterExpression);
return(source.Where(lambda));
}
