async Task ExecuteLoadSocialCommandAsync()
{
if (LoadingSocial)
{
return;
}
LoadingSocial = true;
try
{
SocialError = false;
Tweets.Clear();
var tweetService = DependencyService.Get <ITweetsService>();
Tweets.ReplaceRange(await tweetService.GetTweets());
// todo: implement this
}
catch (Exception ex)
{
SocialError = true;
ex.Data["method"] = "ExecuteLoadSocialCommandAsync";
Logger.Report(ex);
}
finally
{
LoadingSocial = false;
NoSocial = Tweets.Count == 0;
}
}
public async Task ExecuteLoadCommand(bool forceRefresh)
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
#if DEBUG
await Task.Delay(1000);
#endif
var items = await DataService.GetTweetsAsync(_screenName);
if (items == null)
{
await DisplayAlert("Error", "Unable to load tweets.", "OK");
}
else
{
Tweets.ReplaceRange(items);
}
}
catch
{
await DisplayAlert("Error", "Unable to load tweets.", "OK");
}
finally
{
IsBusy = false;
}
LoadCommand.ChangeCanExecute();
}
async Task ExecuteLoadSocialCommandAsync()
{
if (LoadingSocial)
{
return;
}
LoadingSocial = true;
try
{
SocialError = false;
Tweets.Clear();
using (var client = new HttpClient())
{
#if ENABLE_TEST_CLOUD
var json = ResourceLoader.GetEmbeddedResourceString(Assembly.Load(new AssemblyName("UtahOpenSource.Clients.Portable")), "sampletweets.txt");
Tweets.ReplaceRange(JsonConvert.DeserializeObject <List <Tweet> >(json));
#else
var manager = DependencyService.Get <IStoreManager>() as UtahOpenSource.DataStore.Azure.StoreManager;
if (manager == null)
{
return;
}
await manager.InitializeAsync();
var mobileClient = UtahOpenSource.DataStore.Azure.StoreManager.MobileService;
if (mobileClient == null)
{
return;
}
var json = await mobileClient.InvokeApiAsync <string> ("Tweet", System.Net.Http.HttpMethod.Get, null);
if (string.IsNullOrWhiteSpace(json))
{
SocialError = true;
return;
}
Tweets.ReplaceRange(JsonConvert.DeserializeObject <List <Tweet> >(json));
#endif
}
}
catch (Exception ex)
{
SocialError = true;
ex.Data["method"] = "ExecuteLoadSocialCommandAsync";
Logger.Report(ex);
}
finally
{
LoadingSocial = false;
}
}
private async Task ExecuteLoadSocialCommandAsync()
{
if (LoadingSocial)
{
return;
}
LoadingSocial = true;
try
{
SocialError = false;
Tweets.Clear();
using (var client = new HttpClient())
{
await StoreManager.InitializeAsync();
if (StoreManager is open.conference.app.DataStore.Azure.StoreManager)
{
var mobileClient = open.conference.app.DataStore.Azure.StoreManager.MobileService;
if (mobileClient == null)
{
return;
}
var json = await mobileClient.InvokeApiAsync <string>("Tweet", HttpMethod.Get, null);
if (string.IsNullOrWhiteSpace(json))
{
SocialError = true;
return;
}
Tweets.ReplaceRange(JsonConvert.DeserializeObject <List <Tweet> >(json));
}
}
}
catch (Exception ex)
{
SocialError = true;
ex.Data["method"] = "ExecuteLoadSocialCommandAsync";
Logger.Log(ex.Message, Prism.Logging.Category.Exception, Priority.High);
}
finally
{
LoadingSocial = false;
}
}
public async Task ExecuteLoadTweetsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
LoadTweetsCommand.ChangeCanExecute();
try
{
var tweetsRaw = await GetTweets();
var tweets = tweetsRaw.Select(t => new Tweet
{
StatusID = (ulong)t.Id,
ScreenName = t.User.ScreenName,
Text = t.Text,
CurrentUserRetweet = (ulong)t.RetweetCount,
CreatedAt = GetDate(t.CreatedAt, DateTime.MinValue),
Image = t.RetweetedStatus != null && t.RetweetedStatus.User != null ?
t.RetweetedStatus.User.ProfileImageUrlHttps.ToString() : (t.User.ScreenName == "shanselman" ? "scott159.png" : t.User.ProfileImageUrlHttps.ToString())
});
if (Device.RuntimePlatform == Device.iOS)
{
// only does anything on iOS, for the Watch
DependencyService.Get <ITweetStore>().Save(tweets.ToList());
}
Tweets.ReplaceRange(tweets);
}
catch
{
await Application.Current.MainPage.DisplayAlert("Error", "Unable to load tweets.", "OK");
}
IsBusy = false;
LoadTweetsCommand.ChangeCanExecute();
}
private async Task SelectedFeedChanged()
{
if (SelectedFeed == null)
{
return;
}
IsBusy = true;
var items = await DataService.GetTweetsAsync(SelectedFeed.UserName, IncludeRetweets);
if (items == null)
{
//await DisplayAlert("Error", "Unable to load tweets.", "OK");
}
else
{
Tweets.ReplaceRange(items);
}
IsBusy = false;
}
