public Movie Add(Movie movie)
{
//TODO: Validation
if (movie == null)
{
return(null);
}
//if (!String.IsNullOrEmpty(movie.Validate()))
//var context = new ValidationContext(movie);
//var results = movie.Validate(context);
var results = ObjectValidator.TryValidateObject(movie);
if (results.Count() > 0)
{
return(null);
}
//Name must be unique
var existing = GetByNameCore(movie.Title);
if (existing != null)
{
return(null);
}
return(AddCore(movie));
}
public Movie Add(Movie movie)
{
//Validation
//if (movie == null) return null;
//throw new Exception("Movie is null");
if (movie == null)
{
throw new ArgumentNullException(nameof(movie));
}
//if (!String.IsNullOrEmpty(movie.Validate()))
//var context = new ValidationContext(movie);
//var results = movie.Validate(context);
var results = ObjectValidator.TryValidateObject(movie);
if (results.Count() > 0)
{
//return null;
throw new ValidationException(results.FirstOrDefault().ErrorMessage);
}
//Name must be unique
var existing = GetByNameCore(movie.Title);
if (existing != null)
{
//return null;
throw new ArgumentException("Movie must be unique");
}
return(AddCore(movie));
}
public void Update(int id, Movie newMovie)
{
//TODO: Validate
if (id <= 0)
{
return;
}
if (newMovie == null)
{
return;
}
//if (!String.IsNullOrEmpty(movie.Validate()))
//var context = new ValidationContext(newMovie);
//var results = newMovie.Validate(context);
var results = ObjectValidator.TryValidateObject(newMovie);
if (results.Count() > 0)
{
return;
}
//Must be unique
var existing = GetByNameCore(newMovie.Title);
if (existing != null && existing.Id != id)
{
return;
}
UpdateCore(id, newMovie);
}
public void Update(int id, Movie newMovie)
{
//validate parameters
if (id <= 0)
{
throw new ArgumentOutOfRangeException(nameof(id), "Id must be > 0.");
}
if (newMovie == null)
{
throw new ArgumentNullException(nameof(newMovie));
}
//if (!String.IsNullOrEmpty(newMovie.Validate()))
var results = ObjectValidator.TryValidateObject(newMovie);
if (results.Count() > 0)
{
throw new ValidationException(results.FirstOrDefault().ErrorMessage);
}
var existing = GetByNameCore(newMovie.Title);
if (existing != null && existing.Id != id)
{
throw new ArgumentException("Movie must be unique.");
}
try
{
UpdateCore(id, newMovie);
} catch (IOException ex)
{
throw new Exception("An error occurred updating the movie.", ex);
};
}
