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Get/Set API endpoint address from/to isolated storage #9

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6 changes: 6 additions & 0 deletions SampleUserControlLibrary/SampleUserControl.xaml.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,12 @@ public string SubscriptionKey
set;
}

public string EndpointAddress
{
get;
set;
}

public SampleScenarios()
{
InitializeComponent();
Expand Down
33 changes: 24 additions & 9 deletions SampleUserControlLibrary/SubscriptionKeyPage.xaml
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Expand Up @@ -28,17 +28,32 @@
</Style>
</Page.Resources>
<Grid>
<StackPanel Orientation="Vertical">
<TextBlock Margin="5, 0, 5, 0" >To use the service, you need to ensure that you have right subscription key.</TextBlock>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="*" />
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="Auto" />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="Auto" />
<RowDefinition Height="Auto" />
<RowDefinition Height="Auto" />
</Grid.RowDefinitions>
<StackPanel Grid.Row="0" Grid.ColumnSpan="4" Orientation="Vertical" >
<TextBlock Grid.Row="0" Margin="5, 0, 5, 0" >To use the service, you need to ensure that you have right subscription key.</TextBlock>
<TextBlock Margin="5, 0, 5, 0" >Please note that each service (Face, Emotion, Speech, etc) has its own subscription key.</TextBlock>
<TextBlock Margin="5, 0, 5, 0" >You must specify the endpoint that matches the API key.</TextBlock>
<TextBlock Margin="5, 0, 5, 0" >If you do not have key yet, please use the link to get a key first, then paste the key into the textbox below.</TextBlock>
<Button Grid.Row="1" Grid.Column="3" Click="GetKeyButton_Click" HorizontalAlignment="Left" Style="{StaticResource LinkButton}" Margin="5, 0, 0, 0" Content="Get Key" />
<StackPanel Orientation="Horizontal" HorizontalAlignment="Left" VerticalAlignment="Top">
<Label VerticalAlignment="Center">Subscription Key:</Label>
<TextBox VerticalAlignment="Stretch" Width="300" Padding="2" Text="{Binding Path=SubscriptionKey, Mode=TwoWay}" Margin="0,5,0,5"/>
<Button Click="SaveKey_Click" Margin="5, 0, 0, 0" Padding="5, 0, 5, 0" VerticalAlignment="Center" >Save Key</Button>
<Button Click="DeleteKey_Click" Margin="5, 0, 0, 0" Padding="5, 0, 5, 0" VerticalAlignment="Center" >Delete Key</Button>
</StackPanel>
<Button Click="GetKeyButton_Click" HorizontalAlignment="Left" Style="{StaticResource LinkButton}" Margin="5, 0, 0, 0" Content="Get Key" />
</StackPanel>

<Label Grid.Row="1" Grid.Column="0" VerticalAlignment="Center">Subscription Key:</Label>
<TextBox Grid.Row="1" Grid.Column="1" VerticalAlignment="Stretch" Padding="2" Text="{Binding Path=SubscriptionKey, Mode=TwoWay}" Margin="0,5,0,5"/>

<Label Grid.Row="2" Grid.Column="0" VerticalAlignment="Center">Endpoint Address:</Label>
<TextBox Grid.Row="2" Grid.Column="1" VerticalAlignment="Stretch" Padding="2" Text="{Binding Path=EndpointAddress, Mode=TwoWay}" Margin="0,5,0,5"/>

<Button Grid.Row="1" Grid.Column="2" Grid.RowSpan="2" Click="Save_Click" Margin="4, 0, 4, 0" Padding="5, 0, 5, 0" VerticalAlignment="Center" >Save</Button>
<Button Grid.Row="1" Grid.Column="3" Grid.RowSpan="2" Click="Delete_Click" Margin="4, 0, 4, 0" Padding="5, 0, 5, 0" VerticalAlignment="Center" >Delete</Button>
</Grid>
</Page>
82 changes: 56 additions & 26 deletions SampleUserControlLibrary/SubscriptionKeyPage.xaml.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;
using System.ComponentModel;
using System.IO;
using System.IO.IsolatedStorage;
Expand All @@ -47,8 +48,10 @@ public partial class SubscriptionKeyPage : Page, INotifyPropertyChanged
{
private readonly string _isolatedStorageSubscriptionKeyFileName = "Subscription.txt";
private readonly string _defaultSubscriptionKeyPromptMessage = "Paste your subscription key here to start";
private readonly string _defaultEndpointAddressPromptMessage = "Paste your endpoint address here to start";

private static string s_subscriptionKey;
private static string s_endpointAddress;

private SampleScenarios _sampleScenarios;
public SubscriptionKeyPage(SampleScenarios sampleScenarios)
Expand All @@ -57,7 +60,9 @@ public SubscriptionKeyPage(SampleScenarios sampleScenarios)
_sampleScenarios = sampleScenarios;

DataContext = this;
SubscriptionKey = GetSubscriptionKeyFromIsolatedStorage();
var info = GetSubscriptionInfoFromIsolatedStorage();
SubscriptionKey = info.Item1;
EndpointAddress = info.Item2;
}

/// <summary>
Expand All @@ -78,6 +83,24 @@ public string SubscriptionKey
}
}

/// <summary>
/// Gets or sets subscription key
/// </summary>
public string EndpointAddress
{
get
{
return s_endpointAddress;
}

set
{
s_endpointAddress = value;
OnPropertyChanged<string>();
_sampleScenarios.EndpointAddress = s_endpointAddress;
}
}

/// <summary>
/// Implement INotifyPropertyChanged interface
/// </summary>
Expand All @@ -101,10 +124,11 @@ private void OnPropertyChanged<T>([CallerMemberName]string caller = null)
/// <summary>
/// Gets the subscription key from isolated storage.
/// </summary>
/// <returns></returns>
private string GetSubscriptionKeyFromIsolatedStorage()
/// <returns>Tuple of (subscription-key, endpoint-address)</returns>
private Tuple<string, string> GetSubscriptionInfoFromIsolatedStorage()
{
string subscriptionKey = null;
string endpointAddress = null;

using (IsolatedStorageFile isoStore = IsolatedStorageFile.GetStore(IsolatedStorageScope.User | IsolatedStorageScope.Assembly, null, null))
{
Expand All @@ -115,26 +139,35 @@ private string GetSubscriptionKeyFromIsolatedStorage()
using (var reader = new StreamReader(iStream))
{
subscriptionKey = reader.ReadLine();
if (!reader.EndOfStream)
{
endpointAddress = reader.ReadLine();
}
}
}
}
catch (FileNotFoundException)
{
subscriptionKey = null;
// Override below
}
}
if (string.IsNullOrEmpty(subscriptionKey))
{
subscriptionKey = _defaultSubscriptionKeyPromptMessage;
}
return subscriptionKey;
if (string.IsNullOrEmpty(endpointAddress))
{
endpointAddress = _defaultEndpointAddressPromptMessage;
}
return new Tuple<string, string>(subscriptionKey, endpointAddress);
}

/// <summary>
/// Saves the subscription key to isolated storage.
/// </summary>
/// <param name="subscriptionKey">The subscription key.</param>
private void SaveSubscriptionKeyToIsolatedStorage(string subscriptionKey)
/// <param name="endpointAddress">Endpoint address</param>
private void SaveSubscriptionKeyToIsolatedStorage(string subscriptionKey, string endpointAddress)
{
using (IsolatedStorageFile isoStore = IsolatedStorageFile.GetStore(IsolatedStorageScope.User | IsolatedStorageScope.Assembly, null, null))
{
Expand All @@ -143,48 +176,45 @@ private void SaveSubscriptionKeyToIsolatedStorage(string subscriptionKey)
using (var writer = new StreamWriter(oStream))
{
writer.WriteLine(subscriptionKey);
writer.WriteLine(endpointAddress);
}
}
}
}

/// <summary>
/// Handles the Click event of the subscription key save button.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="RoutedEventArgs"/> instance containing the event data.</param>
private void SaveKey_Click(object sender, RoutedEventArgs e)
private void GetKeyButton_Click(object sender, RoutedEventArgs e)
{
System.Diagnostics.Process.Start("https://www.microsoft.com/cognitive-services/en-us/sign-up");
}

private void Save_Click(object sender, RoutedEventArgs e)
{
try
{
SaveSubscriptionKeyToIsolatedStorage(SubscriptionKey);
MessageBox.Show("Subscription key is saved in your disk.\nYou do not need to paste the key next time.", "Subscription Key");
SaveSubscriptionKeyToIsolatedStorage(SubscriptionKey, EndpointAddress);
MessageBox.Show("Subscription info is saved in your disk.\nYou do not need to paste the key next time.", "Subscription Info");
}
catch (System.Exception exception)
{
MessageBox.Show("Fail to save subscription key. Error message: " + exception.Message,
"Subscription Key", MessageBoxButton.OK, MessageBoxImage.Error);
MessageBox.Show("Fail to save subscription info. Error message: " + exception.Message,
"Subscription Info", MessageBoxButton.OK, MessageBoxImage.Error);
}
}

private void DeleteKey_Click(object sender, RoutedEventArgs e)
private void Delete_Click(object sender, RoutedEventArgs e)
{
try
{
SubscriptionKey = _defaultSubscriptionKeyPromptMessage;
SaveSubscriptionKeyToIsolatedStorage("");
MessageBox.Show("Subscription key is deleted from your disk.", "Subscription Key");
EndpointAddress = _defaultEndpointAddressPromptMessage;
SaveSubscriptionKeyToIsolatedStorage("", "");
MessageBox.Show("Subscription info is deleted from your disk.", "Subscription Info");
}
catch (System.Exception exception)
{
MessageBox.Show("Fail to delete subscription key. Error message: " + exception.Message,
"Subscription Key", MessageBoxButton.OK, MessageBoxImage.Error);
MessageBox.Show("Fail to delete subscription info. Error message: " + exception.Message,
"Subscription Info", MessageBoxButton.OK, MessageBoxImage.Error);
}
}

private void GetKeyButton_Click(object sender, RoutedEventArgs e)
{
System.Diagnostics.Process.Start("https://www.microsoft.com/cognitive-services/en-us/sign-up");
}
}
}