public SubscriptionManager(
IScheduler scheduler,
Provider.ChannelProvider channelProvider,
Provider.SearchProvider searchProvider,
Provider.UserProvider userProvider,
Provider.MylistProvider mylistProvider,
Services.NotificationService notificationService
)
{
Scheduler = scheduler;
ChannelProvider = channelProvider;
SearchProvider = searchProvider;
UserProvider = userProvider;
MylistProvider = mylistProvider;
NotificationService = notificationService;
var storedSubscriptions = Database.Local.Subscription.SubscriptionDb.GetOrderedSubscriptions();
Subscriptions = new ObservableCollection <Subscription>(storedSubscriptions);
Subscriptions.CollectionChangedAsObservable()
.Subscribe(arg =>
{
switch (arg.Action)
{
case System.Collections.Specialized.NotifyCollectionChangedAction.Add:
foreach (var item in arg.NewItems.Cast <Subscription>())
{
AddOrUpdateToSubscriptionDatabase(item);
SubscribeSubscriptionChanged(item);
item.IsDeleted = false;
}
break;
case System.Collections.Specialized.NotifyCollectionChangedAction.Move:
// TODO: 購読グループの優先度変更に対応する
break;
case System.Collections.Specialized.NotifyCollectionChangedAction.Remove:
foreach (var item in arg.OldItems.Cast <Subscription>())
{
RemoveFromSubscriptionDatabase(item);
UnsubscribeSubscriptionChanged(item);
item.IsDeleted = true;
}
break;
case System.Collections.Specialized.NotifyCollectionChangedAction.Replace:
break;
case System.Collections.Specialized.NotifyCollectionChangedAction.Reset:
break;
default:
break;
}
});
foreach (var firstItem in storedSubscriptions)
{
SubscribeSubscriptionChanged(firstItem);
}
}
static private async Task <List <Database.NicoVideo> > GetTagSearchFeedResult(string tag, Provider.SearchProvider searchProvider)
{
List <Database.NicoVideo> items = new List <Database.NicoVideo>();
int page = 0;
const int itemGetCountPerPage = 50;
var head = page * itemGetCountPerPage;
var res = await searchProvider.GetTagSearch(tag, (uint)head, itemGetCountPerPage);
var videoItems = res.VideoInfoItems;
var currentItemsCount = videoItems?.Count ?? 0;
if (videoItems == null || currentItemsCount == 0)
{
}
else
{
foreach (var item in videoItems)
{
var video = Database.NicoVideoDb.Get(item.Video.Id);
video.Title = item.Video.Title;
video.PostedAt = item.Video.FirstRetrieve;
items.Add(video);
}
}
return(items);
}
