public MovieDictionary()
{
//creating dictionary and adding some initial data to it
movieTable = new SortedDictionary<int, Movie>();
Movie movie1 = new Movie(2016, "Spotlight", "Tom McCarthy");
Movie movie2 = new Movie(2015, "Birdman", " Alejandro González Iñárritu");
Movie movie3 = new Movie(2014, "12 Years A Slave", "Steve McQuenn");
Movie movie4 = new Movie(2013, "Argo", "Ben Affleck");
Movie movie5 = new Movie(2012, "The Artist", "Michel Hazanavicius");
movieTable.Add(movie1.Year, movie1);
movieTable.Add(movie2.Year, movie2);
movieTable.Add(movie3.Year, movie3);
movieTable.Add(movie4.Year, movie4);
movieTable.Add(movie5.Year, movie5);
}
/// <summary>
/// Add a new movie to the database
/// </summary>
/// <param name="year">Movie year</param>
/// <param name="title">Movie title</param>
/// <param name="Director">Movie director</param>
/// <param name="feedback">Feedback about success of adding movie</param>
/// <returns>True if addition was successful</returns>
public Boolean AddMovie(String year, String title, String director, out String feedback)
{
int key;
//TODO Place return false in each check so that user only gets one error message?
//Check year is valid
checkYear(year, out key, out feedback);
//Check that there isn't already a movie for this year!
if (movieTable.ContainsKey(key))
{
feedback += " A movie for " + key + " already exists.";
}
//Check a title has been entered
if (title.Length == 0)
{
feedback += " Please enter a title.";
}
//Check a director has been entered
if (director.Length == 0)
{
feedback += " Please enter a director.";
}
//Check all data is valid
if (feedback != "")
{
return false;
}
//Create new movie and add to database now that we know that data is all okay
Movie movie = new Movie(key, title, director);
movieTable.Add(key, movie);
feedback = "Movie was added successfully";
return true;
}
//adds a movie to the dictionary
public void addMovie(int year, string title, string director)
{
try
{
//if the year is either to high or too small it will show an error message
if ((year < 2020) && (year > 1900))
{
//if there is no title it will show an error message
if (title != "")
{
//if there is no director it will show an error message
if (director != "")
{
Movie movie = new Movie(year, title, director);
movieTable.Add(movie.Year, movie);
}
else
{
MessageBox.Show("Please enter a Director");
}
}
else
{
MessageBox.Show("Please enter a Title");
}
}
else
{
MessageBox.Show("That is not a valid Year");
}
}
catch (ArgumentException ex)
{
MessageBox.Show("There is already a movie from that Year");
}
}