public async Task AddCommentsToDBAsync(List <Comment> comments)
{
using (ModelDB db = new ModelDB())
{
IEnumerable <Comment> bdComments = GetCommentsFromBD();
IEnumerable <Comment> finds = bdComments.Except(comments, new MyEqualityComparer());
if (finds.Count() > 0 && finds != null)
{
int count = 0;
foreach (Comment find in finds)
{
db.Comments.Add(find);
count++;
}
await db.SaveChangesAsync();
Console.WriteLine($"Добавленно {count} новых записей");
}
else
{
Console.WriteLine("Новые записи отсутствуют");
}
}
}
public List <Comment> GetCommentsFromBD()
{
List <Comment> comments;
using (ModelDB db = new ModelDB())
{
comments = db.Comments.ToList();
}
return(comments);
}