public AuthorDto UpdateAuthor(AuthorDto author)
{
Author authorEntity = Context.Author.Find(author.Id);
if (authorEntity == null)
{
authorEntity = Context.Author.FirstOrDefault(i => i.UserId == author.UserId);
}
if (authorEntity == null)
{
throw new Exception($"Invalid author Id ({author.Id}) and UserId ({author.UserId}) .");
}
authorEntity.UserId = author.UserId;
authorEntity.LastName = author.LastName;
authorEntity.FirstName = author.FirstName;
authorEntity.Alias = author.Alias;
authorEntity.Bio = author.Bio;
authorEntity.Active = author.Active;
authorEntity.UpdatedAt = DateTime.UtcNow;
Context.SaveChanges();
author = authorEntity.Adapt <AuthorDto>();
return(author);
}
public AuthorDto GetAuthor(string alias)
{
Author authorEntity = Context.Author.FirstOrDefault(i => i.Alias == alias);
AuthorDto author = null;
if (authorEntity != null)
{
author = authorEntity.Adapt <AuthorDto>();
}
return(author);
}
public AuthorDto GetAuthor(int id)
{
Author authorEntity = Context.Author.Find(id);
if (authorEntity == null)
{
throw new Exception($"Invalid author Id ({id}).");
}
AuthorDto author = authorEntity.Adapt <AuthorDto>();
return(author);
}
public async Task <bool> UpdateAsync(Author item, CancellationToken cancellationToken = default)
{
using (var context = new BookLibraryContext(this._optionsBuilder.Options))
{
var author = await context.Authors.SingleOrDefaultAsync(o => o.Id == item.Id, cancellationToken);
if (author == null)
{
return(false);
}
item.Adapt(author);
await context.SaveChangesAsync(cancellationToken);
return(true);
}
}
public AuthorDto AddAuthor(string userId, string alias, string firstName, string lastName, string bio, bool active = true)
{
if (string.IsNullOrWhiteSpace(userId))
{
throw new ArgumentNullException("userId");
}
if (string.IsNullOrWhiteSpace(alias))
{
throw new ArgumentNullException("alias");
}
Author entity = new Author()
{
UserId = userId, Alias = alias, FirstName = firstName, LastName = lastName, Bio = bio, Active = active
};
Context.Author.Add(entity);
Context.SaveChanges();
AuthorDto author = entity.Adapt <AuthorDto>();
return(author);
}
