/// <summary>
/// Adds the new feed.
/// </summary>
/// <param name="urlString">URL string.</param>
void AddNewFeed(string urlString)
{
// Lower the input.
urlString = urlString.ToLower();
// Check for valid url.
if (!UriHelper.IsValidUrl(urlString) == true)
{
MessagingCenter.Send(this, Constants.NOTIFICATION_ID_FEED_ITEM_ADD_SUCCEEDED);
return;
}
// Check if blog feed has posts.
var feed = WordpressService.GetPosts(urlString);
if (feed.Posts.Count == 0)
{
MessagingCenter.Send(this, Constants.NOTIFICATION_ID_FEED_ITEM_ADD_SUCCEEDED);
return;
}
// Store to preferences.
FeedPreferenceService.AddFeed(feed);
// Process valid blog feed.
MessagingCenter.Send(this, Constants.NOTIFICATION_ID_FEED_ITEM_ADD_SUCCEEDED, feed);
// Close page after command was executed.
ClosePage();
}
/// <summary>
/// Adds in-app stored feed post list pages.
/// </summary>
void CreateChildren()
{
Children.Clear();
var feeds = FeedPreferenceService.GetFeeds();
if (feeds.Count == 0)
{
AddEmptyPage();
}
else
{
foreach (var feed in feeds)
{
AddFeedPostListPage(feed);
}
}
}
/// <summary>
/// Triggeres the removing of all stored feeds.
/// </summary>
async void RemoveAllFeedsAsync()
{
// Confirm user's choice.
var confirmed = await MaterialDialog.Instance.ConfirmAsync(message : "Are you sure?",
title : "Confirm",
confirmingText : "Delete",
dismissiveText : "No");
// Cancel operation if user declined.
if (confirmed == false)
{
return;
}
// Remove all feeds from storage.
FeedPreferenceService.RemoveAll();
// Raise notifications that feed(s) has been updated aka. removed.
MessagingCenter.Send(this, Constants.NOTIFICATION_ID_FEED_ITEM_UPDATED);
// Close page after command was executed.
ClosePage();
}
