close #31

tkowalczyk · Feb 14, 2016 · 2427475 · 2427475
1 parent 6f48d3f
commit 2427475
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Showing 5 changed files with 65 additions and 10 deletions.
diff --git a/Application/DevTalkMobile/Helpers/ExtensionMethods.cs b/Application/DevTalkMobile/Helpers/ExtensionMethods.cs
@@ -30,6 +30,26 @@ public static List<string> GetImagesInHTMLString(string htmlString) {
 			return images;
 		}
 
+		public static string GetLinkToMp3File(this string input)
+		{
+			return (from link in GetLinksFromHTMLString(input)
+				where link.Contains(".mp3")
+				select link).FirstOrDefault();
+		}
+
+		public static List<string> GetLinksFromHTMLString(string htmlString) {
+			List<string> links = new List<string>();
+			string pattern = @"(?<=href="").*?(?="")";
+
+			Regex rgx = new Regex(pattern, RegexOptions.IgnoreCase);
+			MatchCollection matches = rgx.Matches(htmlString);
+
+			for(int i=0, l=matches.Count; i<l; i++) {
+				links.Add(matches[i].Value);
+			}
+
+			return links;
+		}
 
 		public static List<Partner> GetPartners(string htmlContent)
 		{

diff --git a/Application/DevTalkMobile/Services/ModernHttpClient/FeedRepository.cs b/Application/DevTalkMobile/Services/ModernHttpClient/FeedRepository.cs
@@ -23,7 +23,6 @@ public FeedRepository ()
 		public async Task<List<FeedItem>> GetAll(string rss)
 		{
 			XNamespace content = "http://purl.org/rss/1.0/modules/content/";
-//			XNamespace feedburner = "http://rssnamespace.org/feedburner/ext/1.0";
 
 			var httpClient = new HttpClient (new NativeMessageHandler ());
 
@@ -34,8 +33,6 @@ public async Task<List<FeedItem>> GetAll(string rss)
 					var xdoc = XDocument.Parse(responseString);
 					var id = 0;
 					return (from item in xdoc.Descendants("item")
-//						let enclosure = item.Element("enclosure")
-//						where enclosure != null
 						select new FeedItem
 						{
 							Title = (string)item.Element("title"),
@@ -44,7 +41,7 @@ public async Task<List<FeedItem>> GetAll(string rss)
 							FileImage = (string)item.Element(content.GetName("encoded")).Value.GetImageFile(),
 							Link = (string)item.Element("link"),
 							PublishDate = (string)item.Element("pubDate"),
-//							Mp3Url = (string)enclosure.Attribute("url"),
+							Mp3Url = (string)item.Element(content.GetName("encoded")).Value.GetLinkToMp3File(),
 							BlogPost = (string)item.Element("link"),
 							Id = id++
 						}).ToList();
@@ -53,6 +50,8 @@ public async Task<List<FeedItem>> GetAll(string rss)
 
 		public async Task<List<FeedItem>> GetFilteredFeed(string rss, string filter)
 		{
+			XNamespace content = "http://purl.org/rss/1.0/modules/content/";
+
 			var httpClient = new HttpClient(new NativeMessageHandler());
 
 			var responseString = await httpClient.GetStringAsync(rss);
@@ -62,15 +61,16 @@ public async Task<List<FeedItem>> GetFilteredFeed(string rss, string filter)
 					var xdoc = XDocument.Parse(responseString);
 					var id = 0;
 					return (from item in xdoc.Descendants("item")
-						let enclosure = item.Element("enclosure")
-						where enclosure != null
 						select new FeedItem
 						{
 							Title = (string)item.Element("title"),
 							Description = (string)item.Element("description"),
+							DescriptionLongHtml = (string)item.Element("description"),
+							FileImage = (string)item.Element(content.GetName("encoded")).Value.GetImageFile(),
 							Link = (string)item.Element("link"),
 							PublishDate = (string)item.Element("pubDate"),
-							Mp3Url = (string)enclosure.Attribute("url"),
+							Mp3Url = (string)item.Element(content.GetName("encoded")).Value.GetLinkToMp3File(),
+							BlogPost = (string)item.Element("link"),
 							Id = id++
 						}).ToList().Where(item => item.Title.ToLower().Contains(filter.ToLower())).ToList();
 				});

diff --git a/Application/DevTalkMobile/ViewModels/PodcastPlayViewModel.cs b/Application/DevTalkMobile/ViewModels/PodcastPlayViewModel.cs
@@ -64,6 +64,27 @@ public string PodcastDuration
 			get { return podcastDuration; }
 			set { podcastDuration = value; OnPropertyChanged("PodcastDuration"); }
 		}
+
+		private bool isPlayEnabled = true;
+		public bool IsPlayEnabled
+		{
+			get { return isPlayEnabled; }
+			set { isPlayEnabled = value; OnPropertyChanged("IsPlayEnabled"); }
+		}
+
+		private bool isStopEnabled = false;
+		public bool IsStopEnabled
+		{
+			get { return isStopEnabled; }
+			set { isStopEnabled = value; OnPropertyChanged("IsStopEnabled"); }
+		}
+
+		private bool isPauseEnabled = false;
+		public bool IsPauseEnabled
+		{
+			get { return isPauseEnabled; }
+			set { isPauseEnabled = value; OnPropertyChanged("IsPauseEnabled"); }
+		}
 		#endregion
 
 		#region Commands
@@ -103,18 +124,29 @@ public Command<FeedItem> GetSelectedItemInfoCommand
 		#region Private Methods
 		private async Task ExecutePlayCommand(string pathToFile)
 		{
-			if(!string.IsNullOrWhiteSpace(pathToFile))
+			if (!string.IsNullOrWhiteSpace (pathToFile)) 
+			{
 				await _soundService.Play (pathToFile);
+				IsPlayEnabled = false;
+				IsStopEnabled = true;
+				IsPauseEnabled = true;
+			}
 		}
 
 		private void ExecutePauseCommand()
 		{
 			_soundService.Pause ();
+			IsPlayEnabled = true;
+			IsStopEnabled = false;
+			IsPauseEnabled = false;
 		}
 
 		private void ExecuteStopCommand()
 		{
 			_soundService.Stop ();
+			IsPlayEnabled = true;
+			IsStopEnabled = false;
+			IsPauseEnabled = false;
 		}
 
 		private void ExecuteGetSelectedItemInfoCommand(FeedItem item)

diff --git a/Application/DevTalkMobile/Views/HomeView.cs b/Application/DevTalkMobile/Views/HomeView.cs
@@ -16,7 +16,7 @@ public HomeView ()
 			this.Title = "DevTalk";
 
 			var buttonPlay = new Button () {
-				Text = "Play",
+				Text = "Show",
 				BackgroundColor = Color.FromHex ("#FF6600"),
 				WidthRequest = 150
 			};

diff --git a/Application/DevTalkMobile/Views/PodcastPlayView.cs b/Application/DevTalkMobile/Views/PodcastPlayView.cs
@@ -57,13 +57,14 @@ public PodcastPlayView (FeedItem selectedFeedItem)
 			Button playButton = new Button ()
 			{
 				Text = "Play",
-				Image = "ic_play.png",
+				Image = "ic_play.png"
 			};
 
 			playButton.Clicked += (sender, e) => 
 			{
 				ViewModel.PlayCommand.Execute(_selectedFeedItem.Mp3Url);
 			};
+			playButton.SetBinding (Button.IsEnabledProperty, "IsPlayEnabled");
 
 			Button stopButton = new Button () 
 			{
@@ -75,6 +76,7 @@ public PodcastPlayView (FeedItem selectedFeedItem)
 			{
 				ViewModel.StopCommand.Execute(null);
 			};
+			stopButton.SetBinding (Button.IsEnabledProperty, "IsStopEnabled");
 
 			Button pauseButton = new Button () 
 			{
@@ -86,6 +88,7 @@ public PodcastPlayView (FeedItem selectedFeedItem)
 			{
 				ViewModel.PauseCommand.Execute(null);
 			};
+			pauseButton.SetBinding (Button.IsEnabledProperty, "IsPauseEnabled");
 			#endregion
 
 			WebView webPage = new WebView ()