private static void LoadCache()
{
CacheData cacheData = new CacheData();
CacheNews newsData = new CacheNews();
try
{
var launchDataString = DependencyService.Get<IStoreCache>().LoadCache(CacheType.LaunchData);
cacheData = launchDataString.ConvertToObject<CacheData>();
}
catch (Exception)
{
cacheData.NextLaunch = new LaunchData {CacheTimeOut = DateTime.Now};
cacheData.CacheRockets = new List<CacheRocket>();
cacheData.LaunchRangeList = new LaunchRangeList
{
CacheTimeOut = DateTime.Now,
LaunchPairs = new List<LaunchData>()
};
cacheData.PeopleInSpace = new CachePeople()
{
Astronouts = new List<Person>(),
CacheTimeOut = DateTime.Now
};
}
try
{
var newsDataString = DependencyService.Get<IStoreCache>().LoadCache(CacheType.NewsData);
newsData = newsDataString.ConvertToObject<CacheNews>();
}
catch (Exception)
{
newsData = new CacheNews { NewsFeeds = new List<NewsFeed>(), CacheTimeOut = DateTime.Now };
}
CacheManager.UpdateCache(cacheData, newsData);
}
public static void UpdateCache(CacheData cacheData, CacheNews newsData)
{
NextLaunch = cacheData?.NextLaunch;
CachedRockets = cacheData?.CacheRockets;
CachedLaunches = cacheData?.LaunchRangeList;
People = cacheData?.PeopleInSpace;
CachedCacheNewsFeed = newsData;
}
public static void ClearCache()
{
NextLaunch = new LaunchData();
CachedRockets = new List<CacheRocket>();
CachedLaunches = new LaunchRangeList
{
CacheTimeOut = DateTime.Now.AddDays(-1),
LaunchPairs = new List<LaunchData>()
};
CachedCacheNewsFeed = new CacheNews
{
NewsFeeds = new List<NewsFeed>(),
CacheTimeOut = DateTime.Now
};
TrackedAgencies = new List<TrackedAgency>();
}
public static async Task<List<NewsFeed>> TryGetNewsFeed()
{
if (CachedCacheNewsFeed?.NewsFeeds?.Count != 0 && CachedCacheNewsFeed?.CacheTimeOut > DateTime.Now)
return CachedCacheNewsFeed.NewsFeeds;
var newsFeed = new List<NewsFeed>();
if (App.Settings.FollowSpaceNews)
{
var spaceNews = await ApiManager.GetNewsFromSpaceNews();
newsFeed = newsFeed.Concat(spaceNews).Distinct().DistinctBy(x => x.Title).ToList();
}
if (App.Settings.FollowSpaceFlightNow)
{
var spaceFlightNow = await ApiManager.GetNewsFromSpaceFlightNow();
newsFeed = newsFeed.Concat(spaceFlightNow).DistinctBy(x => x.Title).ToList();
}
if (App.Settings.FollowNasaSpaceFlight)
{
var nasaSpaceFlight = await ApiManager.GetNewsFromNasaSpaceFlight();
newsFeed = newsFeed.Concat(nasaSpaceFlight).DistinctBy(x => x.Title).ToList();
}
if (CachedCacheNewsFeed?.NewsFeeds == null || CachedCacheNewsFeed?.NewsFeeds.Count == 0)
CachedCacheNewsFeed = new CacheNews
{
NewsFeeds = newsFeed.OrderByDescending(x => x.Published).Take(20).ToList(),
CacheTimeOut = DateTime.Now.AddHours(4)
};
return CachedCacheNewsFeed.NewsFeeds;
}
