public void search()
{
selectedItem = null;
Announcements.Clear();
Regex regex = new Regex(@"(\w*)(?i)" + SearchText + @"(\w*)");
int regionId = SelectedIndex;
HashSet <Announcement> tmp1 = new HashSet <Announcement>();
HashSet <Announcement> tmp2 = new HashSet <Announcement>();
if (SelectedIndex != 0)
{
foreach (Announcement announcement in announcementRepository.getByRegionId(SelectedIndex))
{
tmp1.Add(announcement);
}
}
else
{
foreach (Announcement announcement in announcementRepository.getAll())
{
tmp1.Add(announcement);
}
}
if (!String.IsNullOrEmpty(Category))
{
foreach (Announcement announcement in tmp1.Where(x => x.category.Equals(Category)))
{
tmp2.Add(announcement);
}
tmp1.Clear();
}
else
{
foreach (Announcement announcement in tmp1)
{
tmp2.Add(announcement);
}
tmp1.Clear();
}
if (!String.IsNullOrEmpty(Seller))
{
int id = userRepository.getByName(Seller).id;
foreach (Announcement announcement in tmp2.Where(x => x.seller == id))
{
tmp1.Add(announcement);
}
tmp2.Clear();
}
else
{
foreach (Announcement announcement in tmp2)
{
tmp1.Add(announcement);
}
tmp2.Clear();
}
if (!String.IsNullOrEmpty(SearchText))
{
foreach (Announcement announcement in tmp1)
{
if (regex.IsMatch(announcement.about) || regex.IsMatch(announcement.name))
{
if (maxCost == 0)
{
if (announcement.cost <= maxCost && announcement.cost >= MAX_COST)
{
tmp2.Add(announcement);
}
}
else
{
if (announcement.cost <= maxCost && announcement.cost >= minCost)
{
tmp2.Add(announcement);
}
}
}
}
}
else
{
foreach (Announcement announcement in tmp1)
{
if (maxCost == 0)
{
if (announcement.cost <= maxCost && announcement.cost >= MAX_COST)
{
tmp2.Add(announcement);
}
}
else
{
if (announcement.cost <= maxCost && announcement.cost >= minCost)
{
tmp2.Add(announcement);
}
}
}
}
foreach (Announcement announcement in tmp2)
{
Announcements.Add(announcement);
}
tmp1.Clear();
tmp2.Clear();
Info = $"Найдено {Announcements.Count}";
}