public async Task FillFriendListAsync(string token, GroupList<Friend, int> friendList)
{
//Кеша
foreach (Friend friend in await TaskEx.Run(() => VkStorage.FriendCashe.Cashe.GetAllAsObject<Friend>()))
{
friendList.AddItem(friend);
}
foreach (Group<Friend, int> group in friendList)
foreach (Friend friend in group)
friend.Photo = await UpdatePhoto(friend.PhotoUri);
//Сервис
const int count = 25;
const int topCount = 5;
int offset = 0;
//Топ
List<Friend> topFriend = await VkService.GetFriendListAsync(token, topCount, 0, FriendOrderType.Rate);
for (int i = 0; i < topFriend.Count; i++)
{
Friend serviceValue = topFriend[i];
serviceValue.TopOrder = i + 1;
Friend casheValue = friendList.FindEqualByKey(serviceValue);
if (casheValue == null)
friendList.AddItem(serviceValue);
VkStorage.FriendCashe.SyncCasheWithServiceValue<Friend, int>(serviceValue, casheValue);
}
//Остальные
while (true)
{
List<Friend> friends = await VkService.GetFriendListAsync(token, count, offset, FriendOrderType.FirstName);
foreach (Friend serviceValue in friends.Where(friend => topFriend.All(f => f.UserId != friend.UserId)))
{
Friend casheValue = friendList.FindEqualByKey(serviceValue);
if (casheValue == null)
friendList.AddItem(serviceValue);
VkStorage.FriendCashe.SyncCasheWithServiceValue<Friend, int>(serviceValue, casheValue);
}
offset += count;
if (friends.Count != count)
break;
}
//Фото
foreach (Group<Friend, int> group in friendList)
foreach (Friend friend in group)
friend.Photo = await UpdatePhoto(friend.PhotoUri);
//Очистка кеша от старых значений
ClearFriendCashe(friendList);
}