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Remove feed reading async code

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Update to new binding expression code on options dialog
Update to .NET framework 4.5.1
This commit is contained in:
Chris Kaczor
2014-07-11 20:40:47 -04:00
parent 6cdc334d53
commit 7e3eedd844
8 changed files with 63 additions and 83 deletions
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8
FeedCenter.csproj
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@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="utf-8"?> <?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup> <PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">x86</Platform> <Platform Condition=" '$(Platform)' == '' ">x86</Platform>
@@ -10,7 +10,7 @@
<AppDesignerFolder>Properties</AppDesignerFolder> <AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>FeedCenter</RootNamespace> <RootNamespace>FeedCenter</RootNamespace>
<AssemblyName>FeedCenter</AssemblyName> <AssemblyName>FeedCenter</AssemblyName>
<TargetFrameworkVersion>v4.5</TargetFrameworkVersion> <TargetFrameworkVersion>v4.5.1</TargetFrameworkVersion>
<TargetFrameworkProfile> <TargetFrameworkProfile>
</TargetFrameworkProfile> </TargetFrameworkProfile>
<FileAlignment>512</FileAlignment> <FileAlignment>512</FileAlignment>
@@ -347,9 +347,9 @@
<None Include="Scripts\CreateDatabase.sqlce" /> <None Include="Scripts\CreateDatabase.sqlce" />
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<BootstrapperPackage Include=".NETFramework,Version=v4.5"> <BootstrapperPackage Include=".NETFramework,Version=v4.5.1">
<Visible>False</Visible> <Visible>False</Visible>
<ProductName>Microsoft .NET Framework 4.5 %28x86 and x64%29</ProductName> <ProductName>Microsoft .NET Framework 4.5.1 %28x86 and x64%29</ProductName>
<Install>true</Install> <Install>true</Install>
</BootstrapperPackage> </BootstrapperPackage>
<BootstrapperPackage Include="Microsoft.Net.Client.3.5"> <BootstrapperPackage Include="Microsoft.Net.Client.3.5">

77
Feeds/Feed.cs
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@@ -1,18 +1,13 @@
using System; using Common.Debug;
using System.Collections.Generic; using Common.Xml;
using FeedCenter.FeedParsers;
using System;
using System.Diagnostics; using System.Diagnostics;
using System.IO; using System.IO;
using System.Linq; using System.Linq;
using System.Net; using System.Net;
using System.Text; using System.Text;
using Common.Debug;
using Common.Extensions;
using Common.Xml;
using FeedCenter.Data;
using FeedCenter.FeedParsers;
using System.Threading.Tasks;
namespace FeedCenter namespace FeedCenter
{ {
#region Enumerations #region Enumerations
@@ -73,7 +68,7 @@ namespace FeedCenter
Tracer.WriteLine("Reading feed: {0}", Source); Tracer.WriteLine("Reading feed: {0}", Source);
Tracer.IncrementIndentLevel(); Tracer.IncrementIndentLevel();
FeedReadResult result = ReadFeed(database, forceRead); var result = ReadFeed(database, forceRead);
// Handle the result // Handle the result
switch (result) switch (result)
@@ -92,7 +87,7 @@ namespace FeedCenter
} }
// If the feed was successfully read and we have no last update timestamp - set the last update timestamp to now // If the feed was successfully read and we have no last update timestamp - set the last update timestamp to now
if (result == FeedReadResult.Success && LastUpdated == FeedCenter.Data.Extensions.SqlDateTimeZero.Value) if (result == FeedReadResult.Success && LastUpdated == Data.Extensions.SqlDateTimeZero.Value)
LastUpdated = DateTime.Now; LastUpdated = DateTime.Now;
Tracer.DecrementIndentLevel(); Tracer.DecrementIndentLevel();
@@ -101,25 +96,28 @@ namespace FeedCenter
return result; return result;
} }
private async Task<Tuple<FeedReadResult, string>> RetrieveFeed() private Tuple<FeedReadResult, string> RetrieveFeed()
{ {
try try
{ {
// Create the web request // Create the web request
WebRequest oRequest = WebRequest.Create(new Uri(Source)); var oRequest = WebRequest.Create(new Uri(Source));
// Attempt to cast to a web request
var webRequest = oRequest as HttpWebRequest;
// If this is an http request set some special properties // If this is an http request set some special properties
if (oRequest is HttpWebRequest) if (webRequest != null)
{ {
// Cast the request
HttpWebRequest webRequest = (HttpWebRequest) oRequest;
// Make sure to use HTTP version 1.1 // Make sure to use HTTP version 1.1
webRequest.ProtocolVersion = HttpVersion.Version11; webRequest.ProtocolVersion = HttpVersion.Version11;
// Set that we'll accept compressed data // Set that we'll accept compressed data
webRequest.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate; webRequest.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
// Set a timeout
webRequest.Timeout = 10000;
// If we need to authenticate then set the credentials // If we need to authenticate then set the credentials
if (Authenticate) if (Authenticate)
webRequest.Credentials = new NetworkCredential(Username, Password, Domain); webRequest.Credentials = new NetworkCredential(Username, Password, Domain);
@@ -129,21 +127,17 @@ namespace FeedCenter
} }
// Set the default encoding // Set the default encoding
Encoding encoding = Encoding.UTF8; var encoding = Encoding.UTF8;
// Attempt to get the response
var response = (HttpWebResponse) await oRequest.GetResponseAsync().WithTimeout(10000).ConfigureAwait(false);
// If there was no response assume it was a timeout of the async method // Attempt to get the response
if (response == null) var response = (HttpWebResponse) oRequest.GetResponse();
return Tuple.Create(FeedReadResult.Timeout, string.Empty);
// If the response included an encoding then change the encoding // If the response included an encoding then change the encoding
if (response.ContentEncoding.Length > 0) if (response.ContentEncoding.Length > 0)
encoding = Encoding.GetEncoding(response.ContentEncoding); encoding = Encoding.GetEncoding(response.ContentEncoding);
// Get the response stream // Get the response stream
Stream responseStream = response.GetResponseStream(); var responseStream = response.GetResponseStream();
if (responseStream == null) if (responseStream == null)
return Tuple.Create(FeedReadResult.NoResponse, string.Empty); return Tuple.Create(FeedReadResult.NoResponse, string.Empty);
@@ -152,7 +146,7 @@ namespace FeedCenter
StreamReader textReader = new XmlSanitizingStream(responseStream, encoding); StreamReader textReader = new XmlSanitizingStream(responseStream, encoding);
// Get the feed text // Get the feed text
string feedText = textReader.ReadToEnd(); var feedText = textReader.ReadToEnd();
// Get rid of any leading and trailing whitespace // Get rid of any leading and trailing whitespace
feedText = feedText.Trim(); feedText = feedText.Trim();
@@ -170,12 +164,12 @@ namespace FeedCenter
} }
catch (WebException webException) catch (WebException webException)
{ {
FeedReadResult result = FeedReadResult.UnknownError; var result = FeedReadResult.UnknownError;
if (webException.Response is HttpWebResponse) var errorResponse = webException.Response as HttpWebResponse;
if (errorResponse != null)
{ {
HttpWebResponse errorResponse = (HttpWebResponse) webException.Response;
switch (errorResponse.StatusCode) switch (errorResponse.StatusCode)
{ {
case HttpStatusCode.InternalServerError: case HttpStatusCode.InternalServerError:
@@ -224,8 +218,6 @@ namespace FeedCenter
{ {
try try
{ {
string feedText;
// If not enabled then do nothing // If not enabled then do nothing
if (!Enabled) if (!Enabled)
return FeedReadResult.NotEnabled; return FeedReadResult.NotEnabled;
@@ -234,7 +226,7 @@ namespace FeedCenter
if (!forceRead) if (!forceRead)
{ {
// Figure out how long since we last checked // Figure out how long since we last checked
TimeSpan timeSpan = DateTime.Now - LastChecked; var timeSpan = DateTime.Now - LastChecked;
// Check if we are due to read the feed // Check if we are due to read the feed
if (timeSpan.TotalMinutes < CheckInterval) if (timeSpan.TotalMinutes < CheckInterval)
@@ -247,19 +239,16 @@ namespace FeedCenter
// Read the feed text // Read the feed text
var retrieveResult = RetrieveFeed(); var retrieveResult = RetrieveFeed();
// Wait on the result
retrieveResult.Wait();
// Get the information out of the async result // Get the information out of the async result
FeedReadResult result = retrieveResult.Result.Item1; var result = retrieveResult.Item1;
feedText = retrieveResult.Result.Item2; var feedText = retrieveResult.Item2;
// If we didn't successfully retrieve the feed then stop // If we didn't successfully retrieve the feed then stop
if (result != FeedReadResult.Success) if (result != FeedReadResult.Success)
return result; return result;
// Create a new RSS parser // Create a new RSS parser
FeedParserBase feedParser = FeedParserBase.CreateFeedParser(this, feedText); var feedParser = FeedParserBase.CreateFeedParser(this, feedText);
// Parse the feed // Parse the feed
result = feedParser.ParseFeed(feedText); result = feedParser.ParseFeed(feedText);
@@ -269,14 +258,14 @@ namespace FeedCenter
return result; return result;
// Create the removed items list - if an item wasn't seen during this check then remove it // Create the removed items list - if an item wasn't seen during this check then remove it
List<FeedItem> removedItems = Items.Where(testItem => testItem.LastFound != LastChecked).ToList(); var removedItems = Items.Where(testItem => testItem.LastFound != LastChecked).ToList();
// If items were removed the feed was updated // If items were removed the feed was updated
if (removedItems.Count > 0) if (removedItems.Count > 0)
LastUpdated = DateTime.Now; LastUpdated = DateTime.Now;
// Loop over the items to be removed // Loop over the items to be removed
foreach (FeedItem itemToRemove in removedItems) foreach (var itemToRemove in removedItems)
{ {
// Delete the item from the database // Delete the item from the database
database.FeedItems.DeleteObject(itemToRemove); database.FeedItems.DeleteObject(itemToRemove);
@@ -308,7 +297,7 @@ namespace FeedCenter
{ {
var sortedActions = from action in Actions orderby action.Sequence ascending select action; var sortedActions = from action in Actions orderby action.Sequence ascending select action;
foreach (FeedAction feedAction in sortedActions) foreach (var feedAction in sortedActions)
{ {
switch (feedAction.Field) switch (feedAction.Field)
{ {
@@ -329,10 +318,10 @@ namespace FeedCenter
var lastReadResult = (FeedReadResult) LastReadResult; var lastReadResult = (FeedReadResult) LastReadResult;
// Build the name of the resource using the enum name and the value // Build the name of the resource using the enum name and the value
string resourceName = string.Format("{0}_{1}", typeof(FeedReadResult).Name, lastReadResult); var resourceName = string.Format("{0}_{1}", typeof(FeedReadResult).Name, lastReadResult);
// Try to get the value from the resources // Try to get the value from the resources
string resourceValue = Properties.Resources.ResourceManager.GetString(resourceName); var resourceValue = Properties.Resources.ResourceManager.GetString(resourceName);
// Return the value or just the enum value if not found // Return the value or just the enum value if not found
return resourceValue ?? lastReadResult.ToString(); return resourceValue ?? lastReadResult.ToString();

17
Options/CategoryWindow.xaml.cs
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@@ -1,11 +1,9 @@
using System.Collections.Generic; using Common.Wpf.Extensions;
using System.Linq; using System.Linq;
using System.Windows; using System.Windows;
using System.Windows.Controls; using System.Windows.Controls;
using System.Windows.Data; using System.Windows.Data;
using Common.Wpf.Extensions;
namespace FeedCenter.Options namespace FeedCenter.Options
{ {
public partial class CategoryWindow public partial class CategoryWindow
@@ -33,25 +31,22 @@ namespace FeedCenter.Options
private void HandleOkayButtonClick(object sender, RoutedEventArgs e) private void HandleOkayButtonClick(object sender, RoutedEventArgs e)
{ {
// Get a list of all explicit binding expressions // Get a list of all explicit binding expressions
Dictionary<FrameworkElement, BindingExpression> bindingExpressionDictionary = this.GetExplicitBindingExpressions(); var bindingExpressions = this.GetBindingExpressions(new[] { UpdateSourceTrigger.Explicit });
// Get the values as a list
List<BindingExpression> bindingExpressions = bindingExpressionDictionary.Values.ToList();
// Loop over each binding expression and clear any existing error // Loop over each binding expression and clear any existing error
bindingExpressions.ForEach(Validation.ClearInvalid); bindingExpressions.ForEach(b => Validation.ClearInvalid(b.BindingExpression));
// Force all explicit bindings to update the source // Force all explicit bindings to update the source
bindingExpressions.ForEach(bindingExpression => bindingExpression.UpdateSource()); bindingExpressions.ForEach(bindingExpression => bindingExpression.BindingExpression.UpdateSource());
// See if there are any errors // See if there are any errors
bool hasError = bindingExpressions.Exists(bindingExpression => bindingExpression.HasError); var hasError = bindingExpressions.Exists(bindingExpression => bindingExpression.BindingExpression.HasError);
// If there was an error then set focus to the bad controls // If there was an error then set focus to the bad controls
if (hasError) if (hasError)
{ {
// Get the first framework element with an error // Get the first framework element with an error
FrameworkElement firstErrorElement = bindingExpressionDictionary.First(pair => pair.Value.HasError).Key; var firstErrorElement = bindingExpressions.First(b => b.BindingExpression.HasError).FrameworkElement;
// Set focus // Set focus
firstErrorElement.Focus(); firstErrorElement.Focus();

17
Options/FeedWindow.xaml.cs
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@@ -1,12 +1,10 @@
using System.Collections.Generic; using Common.Wpf.Extensions;
using System.Linq; using System.Linq;
using System.Windows; using System.Windows;
using System.Windows.Controls; using System.Windows.Controls;
using System.Windows.Data; using System.Windows.Data;
using System.Windows.Media; using System.Windows.Media;
using Common.Wpf.Extensions;
namespace FeedCenter.Options namespace FeedCenter.Options
{ {
public partial class FeedWindow public partial class FeedWindow
@@ -36,11 +34,8 @@ namespace FeedCenter.Options
private void HandleOkayButtonClick(object sender, RoutedEventArgs e) private void HandleOkayButtonClick(object sender, RoutedEventArgs e)
{ {
// Get a dictionary of all framework elements and explicit binding expressions // Get a list of all framework elements and explicit binding expressions
Dictionary<FrameworkElement, BindingExpression> bindingExpressionDictionary = this.GetExplicitBindingExpressions(); var bindingExpressions = this.GetBindingExpressions(new[] { UpdateSourceTrigger.Explicit });
// Get just the binding expressions
var bindingExpressions = bindingExpressionDictionary.Values;
// Loop over each binding expression and clear any existing error // Loop over each binding expression and clear any existing error
this.ClearAllValidationErrors(bindingExpressions); this.ClearAllValidationErrors(bindingExpressions);
@@ -49,19 +44,19 @@ namespace FeedCenter.Options
this.UpdateAllSources(bindingExpressions); this.UpdateAllSources(bindingExpressions);
// See if there are any errors // See if there are any errors
bool hasError = bindingExpressions.Any(b => b.HasError); var hasError = bindingExpressions.Any(b => b.BindingExpression.HasError);
// If there was an error then set focus to the bad controls // If there was an error then set focus to the bad controls
if (hasError) if (hasError)
{ {
// Get the first framework element with an error // Get the first framework element with an error
FrameworkElement firstErrorElement = bindingExpressionDictionary.First(pair => pair.Value.HasError).Key; var firstErrorElement = bindingExpressions.First(b => b.BindingExpression.HasError).FrameworkElement;
// Loop over each tab item // Loop over each tab item
foreach (TabItem tabItem in optionsTabControl.Items) foreach (TabItem tabItem in optionsTabControl.Items)
{ {
// Cast the content as visual // Cast the content as visual
Visual content = (Visual) tabItem.Content; var content = (Visual) tabItem.Content;
// See if the control with the error is a descendant // See if the control with the error is a descendant
if (firstErrorElement.IsDescendantOf(content)) if (firstErrorElement.IsDescendantOf(content))

17
Options/ReadingOptionsPanel.xaml.cs
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@@ -1,7 +1,7 @@
using System.Windows.Controls; using Common.Internet;
using Common.Internet;
using Common.Wpf.Extensions; using Common.Wpf.Extensions;
using System.Windows.Controls;
using System.Windows.Data;
namespace FeedCenter.Options namespace FeedCenter.Options
{ {
@@ -30,11 +30,12 @@ namespace FeedCenter.Options
{ {
var settings = Properties.Settings.Default; var settings = Properties.Settings.Default;
string browser = (string) ((ComboBoxItem) browserComboBox.SelectedItem).Tag; var browser = (string) ((ComboBoxItem) browserComboBox.SelectedItem).Tag;
if (settings.Browser != browser)
settings.Browser = browser;
this.UpdateAllSources(); settings.Browser = browser;
var expressions = this.GetBindingExpressions(new[] { UpdateSourceTrigger.Explicit });
this.UpdateAllSources(expressions);
} }
public override string CategoryName public override string CategoryName
@@ -51,7 +52,7 @@ namespace FeedCenter.Options
var browsers = Browser.DetectInstalledBrowsers(); var browsers = Browser.DetectInstalledBrowsers();
foreach (var browser in browsers) foreach (var browser in browsers)
{ {
ComboBoxItem item = new ComboBoxItem { Content = browser.Value.Name, Tag = browser.Key }; var item = new ComboBoxItem { Content = browser.Value.Name, Tag = browser.Key };
comboBox.Items.Add(item); comboBox.Items.Add(item);

4
Properties/Resources.Designer.cs generated
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@@ -1,7 +1,7 @@
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------
// <auto-generated> // <auto-generated>
// This code was generated by a tool. // This code was generated by a tool.
// Runtime Version:4.0.30319.34003 // Runtime Version:4.0.30319.34209
// //
// Changes to this file may cause incorrect behavior and will be lost if // Changes to this file may cause incorrect behavior and will be lost if
// the code is regenerated. // the code is regenerated.
@@ -431,7 +431,7 @@ namespace FeedCenter.Properties {
/// <summary> /// <summary>
/// Looks up a localized string similar to CREATE TABLE DatabaseVersion /// Looks up a localized string similar to CREATE TABLE DatabaseVersion
///( ///(
/// Value int NOT NULL DEFAULT &apos;&apos;, /// Value int NOT NULL DEFAULT 0
///) ///)
///GO ///GO
/// ///

4
Properties/Settings.Designer.cs generated
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@@ -1,7 +1,7 @@
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------
// <auto-generated> // <auto-generated>
// This code was generated by a tool. // This code was generated by a tool.
// Runtime Version:4.0.30319.18213 // Runtime Version:4.0.30319.34209
// //
// Changes to this file may cause incorrect behavior and will be lost if // Changes to this file may cause incorrect behavior and will be lost if
// the code is regenerated. // the code is regenerated.
@@ -12,7 +12,7 @@ namespace FeedCenter.Properties {
[global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()] [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "11.0.0.0")] [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "12.0.0.0")]
internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase { internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings()))); private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));

2
app.config
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@@ -80,7 +80,7 @@
</FeedCenter.Properties.Settings> </FeedCenter.Properties.Settings>
</applicationSettings> </applicationSettings>
<startup> <startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/> <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.1"/>
</startup> </startup>
<!--<system.data> <!--<system.data>
<DbProviderFactories> <DbProviderFactories>