public async Task <BookChapter> RemoveAsync(Guid id)
{
BookChapter chapter = await _booksContext.Chapters.SingleOrDefaultAsync(c => c.Id == id);
if (chapter == null)
{
return(null);
}
_booksContext.Chapters.Remove(chapter);
await _booksContext.SaveChangesAsync();
return(chapter);
}
private void EnsureDatabaseCreated()
{
if (!s_created)
{
using (var context = _container.GetService<BooksContext>())
{
if (context.Database.EnsureCreated())
{
var c1 = new BookChapter { Number = 1, Title = "Application Architectures", Pages = 35 };
var c2 = new BookChapter { Number = 2, Title = "Core C#", Pages = 42 };
var c3 = new BookChapter { Number = 3, Title = "Objects and Types", Pages = 30 };
var c4 = new BookChapter { Number = 4, Title = "Inheritance", Pages = 18 };
var c5 = new BookChapter { Number = 5, Title = "Managed and Unmanaged Resources", Pages = 20 };
var c6 = new BookChapter { Number = 6, Title = "Generics", Pages = 22 };
var c7 = new BookChapter { Number = 38, Title = "Windows Store Apps", Pages = 45 };
var c8 = new BookChapter { Number = 41, Title = "ASP.NET Web Forms", Pages = 48 };
context.Chapters.AddRange(c1, c2, c3, c4, c5, c6, c7, c8);
context.SaveChanges();
}
}
s_created = true;
}
}
public void Update(BookChapter chapter)
{
_chapters[chapter.Id] = chapter;
}
public void Add(BookChapter chapter)
{
chapter.Id = Guid.NewGuid().ToString();
_chapters[chapter.Id] = chapter;
}
public Task UpdateAsync(BookChapter chapter)
{
_chapters[chapter.Id] = chapter;
return Task.FromResult<object>(null);
}
public Task AddAsync(BookChapter chapter)
{
chapter.Id = Guid.NewGuid();
_chapters[chapter.Id] = chapter;
return Task.FromResult<object>(null);
}
public async Task UpdateAsync(BookChapter chapter)
{
_booksContext.Chapters.Update(chapter);
await _booksContext.SaveChangesAsync();
}
public async Task AddAsync(BookChapter chapter)
{
_booksContext.Chapters.Add(chapter);
await _booksContext.SaveChangesAsync();
}
public async Task UpdateAsync(BookChapter chapter)
{
_booksContext.Chapters.Update(chapter);
await _booksContext.SaveChangesAsync();
}
public async Task AddAsync(BookChapter chapter)
{
_booksContext.Chapters.Add(chapter);
await _booksContext.SaveChangesAsync();
}
public void Update(BookChapter chapter)
{
_chapters[chapter.Id] = chapter;
}
public void Add(BookChapter chapter)
{
chapter.Id = Guid.NewGuid().ToString();
_chapters[chapter.Id] = chapter;
}
public Task UpdateAsync(BookChapter chapter)
{
_chapters[chapter.Id] = chapter;
return(Task.FromResult <object>(null));
}
public Task AddAsync(BookChapter chapter)
{
chapter.Id = Guid.NewGuid();
_chapters[chapter.Id] = chapter;
return(Task.FromResult <object>(null));
}