// adds new item in the "Studios" table in the database
public void Add(Studio studio)
{
using (studioContext = new MovieStudioContext())
{
studioContext.Studios.Add(studio);
studioContext.SaveChanges();
}
}
// adds new item in the "Movies" table in the database
public void Add(Movie movie)
{
using (movieContext = new MovieStudioContext())
{
movieContext.Movies.Add(movie);
movieContext.SaveChanges();
}
}
// deletes item from the database's table "Studios" by given id
// if item with thethe given id exists
public void Delete(int id)
{
using (studioContext = new MovieStudioContext())
{
var studio = studioContext.Studios.Find(id);
if (studio != null)
{
studioContext.Studios.Remove(studio);
studioContext.SaveChanges();
}
}
}
// updates an item from the database's table "Studios" by given object from the class Studio
// if item with the object's id exists
public void Update(Studio studio)
{
using (studioContext = new MovieStudioContext())
{
var item = studioContext.Studios.Find(studio.Id);
if (item != null)
{
studioContext.Entry(item).CurrentValues.SetValues(studio);
studioContext.SaveChanges();
}
}
}
// deletes item from the database's table "Movies" by given id
// if item with thethe given id exists
public void Delete(int id)
{
using (movieContext = new MovieStudioContext())
{
var movie = movieContext.Movies.Find(id);
if (movie != null)
{
movieContext.Movies.Remove(movie);
movieContext.SaveChanges();
}
}
}
// updates an item from the database's table "Movies" by given object from the class Movie
// if item with the object's id exists
public void Update(Movie movie)
{
using (movieContext = new MovieStudioContext())
{
var item = movieContext.Movies.Find(movie.Id);
if (item != null)
{
movieContext.Entry(item).CurrentValues.SetValues(movie);
movieContext.SaveChanges();
}
}
}