public void TestFilterConvention()
{
Expression <Func <Author, Boolean> > expression = (a) => a.Name.StartsWith("a");
var func = expression.Compile();
Assert.IsTrue(func.Invoke(new Author(1, "araf")));
Assert.IsFalse(func.Invoke(new Author(1, "dff")));
var filterExpr = ConventionBuilder <Author> .FilterExpression(new AuthorDto { Name = "a" });
func = filterExpr.Compile();
Assert.IsTrue(func.Invoke(new Author(1, "araf")));
Assert.IsFalse(func.Invoke(new Author(1, "dff")));
filterExpr = ConventionBuilder <Author> .FilterExpression(new BookOrAuthorQriteria { Name = "a" });
func = filterExpr.Compile();
Assert.IsTrue(func.Invoke(new Author(1, "araf")));
Assert.IsFalse(func.Invoke(new Author(1, "dff")));
//AuthorDto author = new AuthorDto { Name = "a" };
//var result = Conventions<Author>.FilterExpression(author);
//Assert.AreEqual(2, Authors.Where(result).First().Id);
}
public IQueryable Query(ILinqProvider linqProvider, IPageQriteria <TParam> qrit)
{
var filterExpr = qrit.Subject != null ?
ConventionBuilder <TEntity> .FilterExpression(qrit.Subject)
: (x) => true;
var query = linqProvider
.Query <TEntity>()
.Where(filterExpr)
.OrderByConventions(qrit);
return(query);
}
public IQueryable <TEntity> Query(IQueryable <TEntity> query, TParam qrit) => query.Where(ConventionBuilder <TEntity> .FilterExpression(qrit));