public async Task <List <Movie> > FilterFieldMapper(List <Movie> movies, List <Filter> filters)
{
List <Movie> movieFilered = movies;
foreach (var filter in filters)
{
string queryBuilded = this.FilterMapper(filter.FilterField, filter.FilterOperator, filter.FilterValue);
var expression = await MovieFilterHelper.ConvertStringToPredicate(queryBuilded);
movieFilered = movieFilered.Where(expression).ToList();
}
return(Task.Run(() => movieFilered).Result);
}
public async void Should_Convert_String_To_Lambda_Predicate_With_Contains_Method()
{
var filter = "movie => movie.Title.Contains(\"Tes\")";
List <Movie> moviesMock = new List <Movie>();
moviesMock.Add(new Movie(1, "", "Lorem Ipsum", 2021, "", new string[] { "", "" }, "", "", "", "", "", 20, 0.0));
moviesMock.Add(new Movie(1, "", "Test", 2000, "", new string[] { "", "" }, "", "", "", "", "", 20, 0.0));
Func <Movie, bool> movieFiltered = await Task.Run(() => { return(MovieFilterHelper.ConvertStringToPredicate(filter)); });
List <Movie> moviesResult = moviesMock.Where(movieFiltered).ToList();
Assert.Equal(moviesResult.Count, 1);
Assert.Equal(moviesResult.First().Title, "Test");
}
