public async Task <int> UpdateAuthor(string authorId, Author author)
{
int DbResult = 0;
if (!String.IsNullOrEmpty(authorId) && dataReqiered.IsDataNoEmpty(author))
{
int oldDataAuthorId = Convert.ToInt32(authorId);
int newDataAuthorId = Convert.ToInt32(author.Id);
AuthorPostgreSql updatingAuthor = null;
updatingAuthor = await db.Authors.FindAsync(oldDataAuthorId);
if (oldDataAuthorId == newDataAuthorId)
{
updatingAuthor.Name = author.Name;
updatingAuthor.Surname = author.Surname;
db.Entry(updatingAuthor).State = EntityState.Modified;
try
{
DbResult = await db.SaveChangesAsync();
}
catch
{
return(DbResult);
}
}
}
return(DbResult);
}
public async Task <int> UpdateBook(string id, Book book)
{
int DbResult = 0;
int oldDataBookId, newDataBookId, authorId = 0;
if (!String.IsNullOrEmpty(id) && dataReqiered.IsDataNoEmpty(book))
{
try
{
oldDataBookId = Convert.ToInt32(id);
newDataBookId = Convert.ToInt32(book.Id);
authorId = Convert.ToInt32(book.AuthorId);
}
catch
{
return(DbResult);
}
BookPostgreSql updatingBook = null;
updatingBook = await db.Books.FindAsync(oldDataBookId);
if (oldDataBookId == newDataBookId)
{
updatingBook.Year = book.Year;
updatingBook.Name = book.Name;
updatingBook.Description = book.Description;
updatingBook.AuthorId = authorId;
db.Entry(updatingBook).State = EntityState.Modified;
try
{
DbResult = await db.SaveChangesAsync();
}
catch
{
return(DbResult);
}
}
}
return(DbResult);
}
