public Option <IReadOnlyList <String> > TryGetAndCacheDatabaseEmoteList(String channelName, EmoteCategory category, IApplicationContext context = default)
{
if (context is null)
{
context = ContextFactory.GetContext();
}
var categoryList = CachedEmotes.GetOrAdd(channelName, _ => new ConcurrentDictionary <EmoteCategory, List <String> >());
IQueryable <String> emotes = context
.Emotes
.Where(x => x.TwitchDisplayName == channelName && x.Category == category)
.Select(x => x.Name);
categoryList.Remove(category, out _);
if (emotes.Any())
{
var databaseEmoteList = emotes.ToList().AsReadOnly();
var categoryEmotes = categoryList.GetOrAdd(category, _ => new List <String>());
foreach (var emote in databaseEmoteList)
{
categoryEmotes.Add(emote);
}
return(() => databaseEmoteList);
}
return(Option.Nothing <IReadOnlyList <String> >());
}
public Option <IReadOnlyList <String> > TryGetCachedEmoteList(String channelName, EmoteCategory category)
{
if (CachedEmotes.TryGetValue(channelName, out var categoryList))
{
if (categoryList.TryGetValue(category, out List <String> emoteList))
{
return(() => emoteList.AsReadOnly());
}
}
return(Option.Nothing <IReadOnlyList <String> >());
}
