public FeedContainerVM SyncroniceFeeds()
{
FeedContainerVM feedContainerVM = new FeedContainerVM();
feedRepository = new FeedRepository(new FeedContext());
subscriptionRepository = new SubscriptionRepository(new FeedContext());
feedContainerVM.feeds = ConvertToSubscription().Where(x => x.isSubscribed == true);
feedContainerVM.hasSubscriptions = hasSubscriptions();
List <FeedItemEntity> downloadFeeds = new List <FeedItemEntity>();
temporalFeedRepository = new TemporalFeedRepository(new FeedContext());
var userId = 1; //harcoded userId for demo purposes
var currentFeeds = temporalFeedRepository.FindBy(x => x.userId == userId).ToList();
//Wipeout table before syncronization
foreach (TemporalFeed tmpFeed in currentFeeds)
{
temporalFeedRepository.Erase(tmpFeed);
}
foreach (FeedEntity subscribedFeed in feedContainerVM.feeds)
{
downloadFeeds.AddRange(WriteFeedsToTemporalDatabase(GetFeeds(subscribedFeed.url), subscribedFeed.Id));
}
feedContainerVM.feedItems = downloadFeeds;
return(feedContainerVM);
}
public FeedContainerVM PopulateFeedContainer(FeedContainerInputModel searchModel = null)
{
var userId = 1; //harcoded userId for demo purposes
FeedContainerVM feedContainerVM = new FeedContainerVM();
feedRepository = new FeedRepository(new FeedContext());
subscriptionRepository = new SubscriptionRepository(new FeedContext());
temporalFeedRepository = new TemporalFeedRepository(new FeedContext());
feedContainerVM.feeds = ConvertToSubscription().Where(x => x.isSubscribed == true);
feedContainerVM.hasSubscriptions = hasSubscriptions();
List <FeedItemEntity> downloadFeeds = new List <FeedItemEntity>();
//TODO: Search parameter
if (searchModel == null)
{
var syncedFeeds = temporalFeedRepository.FindBy(x => x.userId == userId).ToList();
var lastSyncedItem = syncedFeeds.FirstOrDefault();
TimeSpan elapsedTime = TimeSpan.MinValue;
if (lastSyncedItem != null)
{
elapsedTime = DateTime.Now - lastSyncedItem.lastSynced;
}
//Syncronize every 8 hours
if (elapsedTime.Hours >= 8 || lastSyncedItem == null)
{
return(SyncroniceFeeds());
}
else
{
feedContainerVM.feedItems =
syncedFeeds.Select(x => new FeedItemEntity
{
Id = x.Id,
description = x.description != null ? x.description : "",
IsActive = x.IsActive,
link = x.link != null ? x.link : "",
author = x.author != null ? x.author : "",
imageUrl = x.imageUrl != null ? x.imageUrl : "",
pubDate = x.pubDate != null ? x.pubDate : "",
title = x.title != null ? x.title : ""
}).ToList();
return(feedContainerVM);
}
}
else
{
var syncedFeeds = temporalFeedRepository.FindBy(x => x.userId == userId).ToList();
IEnumerable <FeedItemEntity> filteredFeeds;
if (searchModel.selectedFeedId > 0)
{
filteredFeeds = syncedFeeds.Where(x => x.feedId == searchModel.selectedFeedId && (x.title.ToLower().Contains(searchModel.searchKey != null ? searchModel.searchKey.ToLower() : string.Empty) || x.description.ToLower().Contains(searchModel.searchKey != null ? searchModel.searchKey.ToLower() : string.Empty))).Select(x => new FeedItemEntity
{
Id = x.Id,
description = x.description != null ? x.description : "",
IsActive = x.IsActive,
link = x.link != null ? x.link : "",
author = x.author != null ? x.author : "",
imageUrl = x.imageUrl != null ? x.imageUrl : "",
pubDate = x.pubDate != null ? x.pubDate : "",
title = x.title != null ? x.title : ""
}).ToList();
}
else
{
filteredFeeds = syncedFeeds.Where(x => x.title.ToLower().Contains(searchModel.searchKey != null ? searchModel.searchKey.ToLower() : string.Empty) || x.description.ToLower().Contains(searchModel.searchKey != null ? searchModel.searchKey.ToLower() : string.Empty)).Select(x => new FeedItemEntity
{
Id = x.Id,
description = x.description != null ? x.description : "",
IsActive = x.IsActive,
link = x.link != null ? x.link : "",
author = x.author != null ? x.author : "",
imageUrl = x.imageUrl != null ? x.imageUrl : "",
pubDate = x.pubDate != null ? x.pubDate : "",
title = x.title != null ? x.title : ""
}).ToList();
}
feedContainerVM.feedItems = filteredFeeds;
}
return(feedContainerVM);
}
