/// <summary>
/// Provides a deterministic way to create the Tweets property.
/// </summary>
public static void CreateTweets()
{
if (_tweets == null)
{
_tweets = new TweetsViewModel();
}
}
public HomeViewModel()
{
Overview = new OverviewViewModel();
Topics = new TopicListViewModel();
UpcomingSessions = new UpcomingSessionsViewModel();
Tweets = new TweetsViewModel();
}
public async Task <PartialViewResult> GetTweets()
{
TweetsViewModel tvm = new TweetsViewModel();
await tvm.LoadTweets();
return(PartialView("_TweetGrid", tvm));
}
public static TweetsViewModel GetTweetsForCurrentUser(string userName)
{
TweetsViewModel viewModel = new TweetsViewModel();
using (var dbContext = new Entities())
{
var followingIDs = dbContext.Followings
.Where(x => x.UserId == userName)
.Select(x => x.FollowingId);
var noOfFollowers = dbContext.Followings
.Count(x => x.FollowingId == userName);
var mytweets = dbContext.Tweets.Where(x => x.UserId == userName)
.ToList();
var followersTweet = dbContext.Tweets.Where(x => followingIDs.Contains(x.UserId))
.ToList();
var allTweets = mytweets.Union(followersTweet)
.OrderByDescending(x => x.Created);
viewModel.NoOfFollowings = followingIDs.Count();
viewModel.NoOfFollowers = noOfFollowers;
viewModel.NoOfTweets = mytweets.Count();
viewModel.Tweets = allTweets.ToList();
return(viewModel);
}
}
public TweetsListView(TweetsViewModel viewModel)
{
InitializeComponent();
BindingContext = viewModel;
_viewModel = viewModel;
var task = viewModel.Initialise();
}
public ActionResult EditTweet(int id)
{
var repository = new TweetRepository();
var tweetObj = repository.FindTweet(id);
var tweetModel = new TweetsViewModel {
user_id = tweetObj.Useridd, tweet_id = tweetObj.tweet_id, message = tweetObj.usermessage, created = tweetObj.created
};
return(View(tweetModel));
}
public IActionResult Index(TweetsViewModel model)
{
var tweetsData = _tweetsProcessor.ProcessTweets(model.StartDate, model.EndDate);
var distinctRecords = tweetsData.Distinct(new ItemEqualityComparer());
var tweetsViewModel = new TweetsViewModel()
{
Tweets = distinctRecords.ToList(),
Count = tweetsData.ToList().Count,
DuplicateCount = tweetsData.ToList().Count - distinctRecords.ToList().Count
};
return(View(tweetsViewModel));
}
public ActionResult Tweet(TweetsViewModel objModel)
{
if (ModelState.IsValid)
{
var objTweet = new Tweet();
objTweet.usermessage = objModel.message;
objTweet.created = DateTime.Now;
objTweet.Useridd = User.Identity.Name;
var tRep = new TweetRepository();
tRep.AddTweet(objTweet);
ViewBag.msg = "Tweeted!!";
}
return(View(objModel));
}
public static TweetsViewModel Create(TwitterSearchResponse response)
{
var viewModel = new TweetsViewModel();
foreach (var status in response.statuses)
{
var tweet = new TweetViewModel
{
User = $"@{status.user.screen_name}",
Text = status.text,
//ImageUrl = status.user.entities.url.urls.FirstOrDefault() == null ? string.Empty : status.user.entities.url.urls.FirstOrDefault().expanded_url
};
viewModel.Tweets.Add(tweet);
}
return(viewModel);
}
public ActionResult EditTweet(TweetsViewModel objTweetModel)
{
if (ModelState.IsValid)
{
var objTweet = new Tweet();
objTweet.usermessage = objTweetModel.message;
objTweet.created = DateTime.Now;
objTweet.Useridd = User.Identity.Name;
objTweet.tweet_id = objTweetModel.tweet_id;
var tRep = new TweetRepository();
tRep.EditTweet(objTweet);
ViewBag.msg = "Editted Successfully";
}
else
{
ViewBag.msg = "Error";
}
return(View(objTweetModel));
}
private async void SetUpCredentials()
{
viewModel = new TweetsViewModel();
await viewModel.Initialise();
}
/// <summary>
/// Provides a deterministic way to delete the Tweets property.
/// </summary>
public static void ClearTweets()
{
_tweets.Cleanup();
_tweets = null;
}
public async Task <IActionResult> GetTweets()
{
string original_start_date = "2016-01-01T00:00:00.001Z";
DateTime original_start = DateTime.Parse(original_start_date);
var sanitized_time = original_start.ToLocalTime();
DateTime startDateUnspecifiedKind = sanitized_time.ToUniversalTime();
DateTime startDate = DateTime.Parse(original_start_date);
string endDate = "2017-12-31T23%3A59%3A59.001Z";
TweetsViewModel tweets = new TweetsViewModel();
// Performance testing between using Hashtable vs. LINQ query
// Stopwatch sw = new Stopwatch();
// sw.Start();
// Disposes of httpclient when request is completed
using (HttpClient request = new HttpClient()) {
request.BaseAddress = new Uri("https://badapi.iqvia.io/api/v1/Tweets");
request.DefaultRequestHeaders.Accept.Clear();
bool lessThan100 = false;
List <Tweet> listOfTweets = new List <Tweet>();
while (!lessThan100)
{
using (HttpResponseMessage response = await request.GetAsync("?startDate=" + startDate + "&endDate=" + endDate))
{
if (response.IsSuccessStatusCode)
{
string tweetList = await response.Content.ReadAsStringAsync();
listOfTweets = JsonConvert.DeserializeObject <List <Tweet> >(tweetList);
foreach (Tweet twt in listOfTweets)
{
if (!tweets.tweetIDs.Contains(twt.id) && twt.stamp.Year >= startDateUnspecifiedKind.Year)
{
// adds ID to hash table
tweets.tweetIDs.Add(twt.id, 1);
// adds tweet object to list
tweets.tweetList.Add(twt);
tweets.tweet_count++;
}
else if (tweets.tweetIDs.Contains(twt.id))
{
// duplicate detected
tweets.duplicate_count++;
}
}
// # Method 2 - adding all, then use LINQ
// tweets.tweetList.AddRange(listOfTweets);
// Get the maximum time stamp in the list of tweets, update the time stamp
startDate = listOfTweets.Max(t => t.stamp);
lessThan100 = listOfTweets.Count() < 100;
}
else // bad response
{
lessThan100 = true;
}
}
}
// # Method 2 - with LINQ
//tweets.tweetList = (from tweet in tweets.tweetList
// where tweet.stamp >= startDateUnspecifiedKind
// select tweet).ToList();
}
// TESTING PURPOSES
//sw.Stop();
//var time_elapsed = sw.Elapsed;
return(View(tweets));
}
public App()
{
var viewModel = new TweetsViewModel();
MainPage = new NavigationPage(new TweetsListView(viewModel));
}
/// <summary>
/// Provides a deterministic way to create the Tweets property.
/// </summary>
public static void CreateTweets()
{
if (_tweets == null)
{
_tweets = new TweetsViewModel();
}
}
/// <summary>
/// Provides a deterministic way to delete the Tweets property.
/// </summary>
public static void ClearTweets()
{
_tweets.Cleanup();
_tweets = null;
}
public Tweets()
{
this.InitializeComponent();
ViewModel = new TweetsViewModel();
ViewModel.setPivotItems();
}
public MasterViewController(IntPtr handle)
: base(handle)
{
_viewModel = new TweetsViewModel();
}
