public void Update(int id, Movie movie)
{
//TODO: movie is not null
if (movie == null)
{
throw new ArgumentNullException(nameof(movie));
}
//TODO: id >= 0
if (id <= 0)
{
throw new ArgumentOutOfRangeException(nameof(id), "Id must be greater than zero");
}
//Movie is valid
ObjectValidator.ValidateFullObject(movie);
//var results = new ObjectValidator().TryValidateFullObject(movie);
//if (results.Count() > 0)
//{
// foreach (var result in results)
// {
// return result.ErrorMessage;
// };
//};
// Movie name is unique
var existing = GetByName(movie.Name);
if (existing != null && existing.Id != id)
{
throw new InvalidOperationException("Movie must be unique");
}
//Generalize errors
try
{
UpdateCore(id, movie);
} catch (Exception e)
{
throw new InvalidOperationException("Update Failed", e);
};
}
public Movie Add(Movie movie)
{
if (movie == null)
{
throw new ArgumentNullException(nameof(movie));
}
ObjectValidator.ValidateFullObject(movie);
var existing = GetByName(movie.Name);
if (existing != null)
{
throw new InvalidOperationException("Movie must be unique");
}
try
{
return(AddCore(movie));
} catch (Exception e)
{
throw new InvalidOperationException("Add Failed", e);
};
}
/// <inheritdoc />
public void Update(int id, Movie movie)
{
//Validation
if (id <= 0)
{
throw new ArgumentOutOfRangeException(nameof(id), "Id must be greater than 0.");
}
if (movie == null)
{
throw new ArgumentNullException(nameof(movie));
}
ObjectValidator.Validate(movie);
//Must be unique
var existing = FindByTitle(movie.Title);
if (existing != null && existing.Id != id)
{
throw new InvalidOperationException("Movie title must be unique.");
}
try
{
UpdateCore(id, movie);
} catch (ArgumentException)
{
throw;
} catch (InvalidOperationException)
{
throw;
} catch (Exception e)
{
throw new Exception("Update failed", e);
};
}
//Not on interface
//public void Foo () { }
/// <inheritdoc />
public Movie Add(Movie movie)
{
// Exception type is the base type of all exceptions
// Arguments should always fail with Argument exceptions
// Exception -> generic exceptions with a message
// ArgumentException -> generic argument exception
// ArgumentNullException -> argument is null and it shouldn't be
// ArgumentOutOfRangeException -> argument is outside excepted range (generally numeric)
// ValidationException -> IValidatableObject fails
// InvalidOperationException -> The operation is not currently valid but may be in the future
// SystemException -> Only generated by runtime
// NullReferenceException -> null is on left side of member access (null.???)
// StackOverflowException -> Stack overflowed
// OutOfMemoryException -> Out of memory
// Throw an exception using throw expression
// throw-expression ::= throw E
// E must be Exception
// Movie is not null
if (movie == null)
{
throw new ArgumentNullException(nameof(movie)); //Argument is null and it shouldn't be, pretty much all reference types
}
//Movie is valid
ObjectValidator.ValidateFullObject(movie);
//var results = new ObjectValidator().TryValidateFullObject(movie);
//if (results.Count() > 0)
//{
// foreach (var result in results)
// {
// error = result.ErrorMessage;
// return null;
// };
//};
// Movie name is unique
//var existing = GetByName(movie.Name);
//if (existing != null)
// throw new InvalidOperationException("Movie must be unique");
// Throw expression ::= E ?? throw E
var existing = GetByName(movie.Name);
if (existing != null)
{
throw new InvalidOperationException("Movie must be unique");
}
//{
// error = "Movie must be unique";
// return null;
//};
// Generalize errors
try
{
return(AddCore(movie));
} catch (Exception e)
{
//Throwing a new exception
throw new InvalidOperationException("Add Failed", e);
};
}
//Array - Type[]
//public Movie[] Items { get; set; }
public Movie Add(Movie movie)
{
// Exception type is the base type of all exceptions
// Arguments should always fail with Argument exceptions
// Exception -> generic expression with a message
// ArgumentException -> generic argument exception
// ArgumentNullException -> argument is null and it shouldn't be
// ArgumentOutOfRangeException -> argument is outside excepted range (generally numeric)
// ValidationException -> IValidatableObject fails
// InvalidOperationException -> The operation is not currently valid but may be in the future
// SystemException -> Only generated by runtime
// NullReferenceException -> null is on left side of member access (null.???)
// StackOverflowException -> Stack overflowed
// OutOfMemoryException -> Out of memory
// Throw an exception using throw expression
// throw-expression ::= throw E
// E must be exception
// Movie is not null
if (movie == null)
{
throw new ArgumentNullException(nameof(movie)); //Argument is null and it shouldn't be, pretty much all reference types
}
ObjectValidator.ValidateFullObject(movie);
//if (results.Count() > 0)
//{
// foreach (var result in results)
// {
// error = result.ErrorMessage;
// return null;
//};
//};
//TODO: Movie is valid
// Movie name is unique
var existing = GetByName(movie.Name);
if (existing != null)
{
throw new InvalidOperationException("Movie must be unique");
}
// Throw expression ::= E ?? throw E
//var existing = GetByName(movie.Name) ?? throw new InvalidOperationException("Movie must be unique");
//error = "";//commented out after ivalidatable
//Clone so argument can be modified without impacting our array
//var item = CloneMovie(movie);
//set a unique ID
//item.Id = _id++;
//add movie to array
//_movies.Add(item); // Movie is a ref type thus movie and _movies[index] reference the same instance
//Set ID on original object and return
//movie.Id = item.Id;
//TODO: Generalize errors
try
{
return(AddCore(movie));
} catch (Exception e)
{
//Throwing a new exception
throw new InvalidOperationException("Add Failed", e);
};
//TODO: No more room
// error = "No more room";
//return null;
}
