public bool EvaluateBooleanToggleValue(IFeatureToggle toggle)
{
var toggleName = toggle.GetType().Name;
var connectionNameInConfig = ToggleConfigurationSettings.Prefix + toggleName;
// TODO: need to consider not creating a new document store each time for performance reasons
var documentStore = new DocumentStore
{
ConnectionStringName = connectionNameInConfig
};
documentStore.Initialize();
using (var session = documentStore.OpenSession())
{
var t = session.Load<BooleanToggleSetting>(toggleName);
if (t == null)
{
throw new ToggleConfigurationError("No document was found for toggle " + toggleName);
}
return t.Enabled;
}
}
private string GetConnectionStringFromConfig(IFeatureToggle toggle)
{
var prefixedToggleConfigName = ToggleConfigurationSettings.Prefix + toggle.GetType().Name;
var appSettingsConnectionStringKey = prefixedToggleConfigName + ".ConnectionString";
var appSettingsConnectionStringNameKey = prefixedToggleConfigName + ".ConnectionStringName";
var isConfiguredViaAppSettingsConnectionString = ConfigurationManager.AppSettings.AllKeys.Contains(appSettingsConnectionStringKey);
var isConfiguredViaAppSettingsConnectionStringName = ConfigurationManager.AppSettings.AllKeys.Contains(appSettingsConnectionStringNameKey);
var isConfiguredViaConnectionStrings = ConfigurationManager.ConnectionStrings[prefixedToggleConfigName] != null;
ValidateConnectionStringSpecifiedOnlyOnce(isConfiguredViaAppSettingsConnectionString, isConfiguredViaAppSettingsConnectionStringName, isConfiguredViaConnectionStrings, prefixedToggleConfigName);
ValidateConnectionStringNotMissing(isConfiguredViaAppSettingsConnectionString, isConfiguredViaAppSettingsConnectionStringName, isConfiguredViaConnectionStrings, appSettingsConnectionStringKey, appSettingsConnectionStringNameKey, prefixedToggleConfigName);
if (isConfiguredViaAppSettingsConnectionString)
{
return GetAppSettingsConnectionString(appSettingsConnectionStringKey);
}
if (isConfiguredViaAppSettingsConnectionStringName)
{
return GetConnectionStringFromAppSettingsValueThatPointsToNamedConnectionString(appSettingsConnectionStringNameKey);
}
return GetConnectionStringDirectlyFromNamedConnectionStrings(prefixedToggleConfigName);
}
public Tuple<DateTime, DateTime> EvaluateTimePeriod(IFeatureToggle toggle)
{
var toggleNameInConfig = AppSettingsKeys.Prefix + "." + toggle.GetType().Name;
if (!ConfigurationManager.AppSettings.AllKeys.Contains(toggleNameInConfig))
throw new ConfigurationErrorsException(string.Format("The key '{0}' was not found in AppSettings",
toggleNameInConfig));
DateTime startDate;
DateTime endDate;
try
{
var configValues = ConfigurationManager.AppSettings[toggleNameInConfig].Split(new[] { '|' });
startDate = DateTime.ParseExact(configValues[0].Trim(), ExpectedDateFormat, CultureInfo.InvariantCulture);
endDate = DateTime.ParseExact(configValues[1].Trim(), ExpectedDateFormat, CultureInfo.InvariantCulture);
}
catch (Exception ex)
{
throw new ConfigurationErrorsException(string.Format("Configuration for {0} is invalid - date range should be specified like: '02/01/2050 04:05:08 | 07/08/2099 06:05:04'", toggleNameInConfig), ex);
}
if (startDate >= endDate)
throw new ConfigurationErrorsException(string.Format("Configuration for {0} is invalid - the start date must be less then the end date",toggleNameInConfig));
return new Tuple<DateTime, DateTime>(startDate, endDate);
}
public Tuple<DateTime, DateTime> EvaluateTimePeriod(IFeatureToggle toggle)
{
var toggleNameInConfig = toggle.GetType().Name;
if (!Application.Current.Resources.Contains(toggleNameInConfig))
throw new Exception(string.Format("The key '{0}' was not found in Application.Current.Resources", toggleNameInConfig));
DateTime startDate;
DateTime endDate;
try
{
var configValues = ((string) Application.Current.Resources[toggleNameInConfig]).Split(new[] { '|' });
const string expectedDateFormat = @"dd/MM/yyyy HH:mm:ss";
startDate = DateTime.ParseExact(configValues[0].Trim(), expectedDateFormat, CultureInfo.InvariantCulture);
endDate = DateTime.ParseExact(configValues[1].Trim(), expectedDateFormat, CultureInfo.InvariantCulture);
}
catch (Exception ex)
{
throw new Exception(string.Format("Configuration for {0} is invalid - date range should be specified like: '02/01/2050 04:05:08 | 07/08/2099 06:05:04'", toggleNameInConfig), ex);
}
if (startDate >= endDate)
throw new Exception(string.Format("Configuration for {0} is invalid - the start date must be less then the end date", toggleNameInConfig));
return new Tuple<DateTime, DateTime>(startDate, endDate);
}
private string GetConnectionStringFromConfig(IFeatureToggle toggle)
{
var toggleNameInConfig = AppSettingsKeys.Prefix + "." + toggle.GetType().Name + ".ConnectionString";
if (!ConfigurationManager.AppSettings.AllKeys.Contains(toggleNameInConfig))
throw new ConfigurationErrorsException(string.Format("The key '{0}' was not found in AppSettings",
toggleNameInConfig));
return ConfigurationManager.AppSettings[toggleNameInConfig];
}
private string GetCommandTextFromAppConfig(IFeatureToggle toggle)
{
var toggleNameInConfig = ToggleConfigurationSettings.Prefix + toggle.GetType().Name + ".SqlStatement";
if (!ConfigurationManager.AppSettings.AllKeys.Contains(toggleNameInConfig))
throw new ToggleConfigurationError(string.Format("The key '{0}' was not found in AppSettings",
toggleNameInConfig));
return ConfigurationManager.AppSettings[toggleNameInConfig];
}
public DateTime EvaluateDateTimeToggleValue(IFeatureToggle toggle)
{
var toggleNameInConfig = toggle.GetType().Name;
if (!Application.Current.Resources.Contains(toggleNameInConfig))
throw new Exception(string.Format("The key '{0}' was not found in Application.Current.Resources", toggleNameInConfig));
DateTime toggleValue = (DateTime)Application.Current.Resources[toggleNameInConfig];
return toggleValue;
}
public DateTime EvaluateDateTimeToggleValue(IFeatureToggle toggle)
{
var toggleNameInConfig = AppSettingsKeys.Prefix + "." + toggle.GetType().Name;
if (!ConfigurationManager.AppSettings.AllKeys.Contains(toggleNameInConfig))
throw new ConfigurationErrorsException(string.Format("The key '{0}' was not found in AppSettings",
toggleNameInConfig));
var configValue = ConfigurationManager.AppSettings[toggleNameInConfig];
return ParseDateTimeConfigString(configValue, toggleNameInConfig);
}
private string GetCommandTextFromAppConfig(IFeatureToggle toggle)
{
var sqlCommandKey = ToggleConfigurationSettings.Prefix + toggle.GetType().Name + ".SqlStatement";
var sqlCommandIsMissing = !ConfigurationManager.AppSettings.AllKeys.Contains(sqlCommandKey);
if (sqlCommandIsMissing)
{
throw new ToggleConfigurationError(string.Format("The appSettings key '{0}' was not found.",
sqlCommandKey));
}
var configuredSqlCommand = ConfigurationManager.AppSettings[sqlCommandKey];
if (string.IsNullOrWhiteSpace(configuredSqlCommand))
{
throw new ToggleConfigurationError(string.Format("The <appSettings> value for key '{0}' is empty.", sqlCommandKey));
}
return configuredSqlCommand;
}
public bool EvaluateBooleanToggleValue(IFeatureToggle toggle)
{
var toggleNameInConfig = toggle.GetType().Name;
var localSettings = ApplicationData.Current.LocalSettings;
if (! localSettings.Values.ContainsKey(toggleNameInConfig))
{
throw new ArgumentOutOfRangeException("toggle",
string.Format("No toggle value with the key '{0}' was found in local application settings. Ensure you set a boolean value into ApplicationData.Current.LocalSettings with a key that is the same as the name of your feature toggle class.", toggleNameInConfig));
}
try
{
return (bool) localSettings.Values[toggleNameInConfig];
}
catch (Exception ex)
{
throw new Exception(
string.Format("The value in local application settings for the feature toggle with the key '{0}' is incorrect, it should be a non-nullable boolean value.", toggleNameInConfig),
ex);
}
}
private static string ExpectedAppSettingsKeyFor(IFeatureToggle toggle)
{
return ToggleConfigurationSettings.Prefix + toggle.GetType().Name;
}
private static string CalculateToggleNameAsItShouldAppearInConfig(IFeatureToggle toggle)
{
return ToggleConfigurationSettings.Prefix + toggle.GetType().Name;
}
private string GetConnectionStringFromConfig(IFeatureToggle toggle)
{
const string emptyConnectionStringsValueError = "The <connectionStrings> value for connection named '{0}' is empty.";
const string emptyValueForAppSettingsKeyError = "The <appSettings> value for key '{0}' is empty.";
var prefixedToggleConfigName = ToggleConfigurationSettings.Prefix + toggle.GetType().Name;
var appSettingsConnectionStringKey = prefixedToggleConfigName + ".ConnectionString";
var appSettingsConnectionStringNameKey = prefixedToggleConfigName + ".ConnectionStringName";
var isConfiguredViaAppSettingsConnectionString = ConfigurationManager.AppSettings.AllKeys.Contains(appSettingsConnectionStringKey);
var isConfiguredViaAppSettingsConnectionStringName = ConfigurationManager.AppSettings.AllKeys.Contains(appSettingsConnectionStringNameKey);
var isConfiguredViaConnectionStrings = ConfigurationManager.ConnectionStrings[prefixedToggleConfigName] != null;
if (CountConnectionStringConfigurations(isConfiguredViaAppSettingsConnectionString,
isConfiguredViaAppSettingsConnectionStringName, isConfiguredViaConnectionStrings) > 1)
{
throw new ToggleConfigurationError(
string.Format(
"The connection string for '{0}' is configured multiple times.",
prefixedToggleConfigName));
}
if (CountConnectionStringConfigurations(isConfiguredViaAppSettingsConnectionString, isConfiguredViaAppSettingsConnectionStringName, isConfiguredViaConnectionStrings) == 0)
{
throw new ToggleConfigurationError(
string.Format(
"The connection string was not configured in <appSettings> with a key of '{0}' or '{1}' nor in <connectionStrings> with a name of '{2}'.",
appSettingsConnectionStringKey, appSettingsConnectionStringNameKey, prefixedToggleConfigName));
}
string configuredConnectionString = String.Empty;
if (isConfiguredViaAppSettingsConnectionString)
{
configuredConnectionString = ConfigurationManager.AppSettings[appSettingsConnectionStringKey];
if (string.IsNullOrWhiteSpace(configuredConnectionString))
{
throw new ToggleConfigurationError(string.Format(emptyValueForAppSettingsKeyError, appSettingsConnectionStringKey));
}
}
else if (isConfiguredViaAppSettingsConnectionStringName)
{
var connectionStringName = ConfigurationManager.AppSettings[appSettingsConnectionStringNameKey];
if (string.IsNullOrWhiteSpace(connectionStringName))
{
throw new ToggleConfigurationError(string.Format(emptyValueForAppSettingsKeyError, appSettingsConnectionStringNameKey));
}
var connectionStringSettings = ConfigurationManager.ConnectionStrings[connectionStringName];
if (connectionStringSettings == null)
{
throw new ToggleConfigurationError(string.Format("No entry named '{0}' exists in <connectionStrings>.", connectionStringName));
}
configuredConnectionString = connectionStringSettings.ConnectionString;
if (string.IsNullOrWhiteSpace(configuredConnectionString))
{
throw new ToggleConfigurationError(string.Format(emptyConnectionStringsValueError, connectionStringName));
}
}
else
{
configuredConnectionString = ConfigurationManager.ConnectionStrings[prefixedToggleConfigName].ConnectionString;
if (string.IsNullOrWhiteSpace(configuredConnectionString))
{
throw new ToggleConfigurationError(string.Format(emptyConnectionStringsValueError, prefixedToggleConfigName));
}
}
return configuredConnectionString;
}
public FeatureToggleDto Get(IFeatureToggle featureToggle)
{
return Get(featureToggle.GetType().Name);
}
private string GetConnectionStringFromConfig(IFeatureToggle toggle)
{
var prefixedToggleConfigName = ToggleConfigurationSettings.Prefix + toggle.GetType().Name;
var appSettingsConnectionStringKey = prefixedToggleConfigName + ".ConnectionString";
var appSettingsConnectionStringNameKey = prefixedToggleConfigName + ".ConnectionStringName";
var isConfiguredViaAppSettingsConnectionString = ConfigurationManager.AppSettings.AllKeys.Contains(appSettingsConnectionStringKey);
var isConfiguredViaAppSettingsConnectionStringName = ConfigurationManager.AppSettings.AllKeys.Contains(appSettingsConnectionStringNameKey);
var isConfiguredViaConnectionStrings = ConfigurationManager.ConnectionStrings[prefixedToggleConfigName] != null;
ValidateConnectionStringSpecifiedOnlyOnce(isConfiguredViaAppSettingsConnectionString, isConfiguredViaAppSettingsConnectionStringName, isConfiguredViaConnectionStrings, prefixedToggleConfigName);
ValidateConnectionStringNotMissing(isConfiguredViaAppSettingsConnectionString, isConfiguredViaAppSettingsConnectionStringName, isConfiguredViaConnectionStrings, appSettingsConnectionStringKey, appSettingsConnectionStringNameKey, prefixedToggleConfigName);
if (isConfiguredViaAppSettingsConnectionString)
{
return(GetAppSettingsConnectionString(appSettingsConnectionStringKey));
}
if (isConfiguredViaAppSettingsConnectionStringName)
{
return(GetConnectionStringFromAppSettingsValueThatPointsToNamedConnectionString(appSettingsConnectionStringNameKey));
}
return(GetConnectionStringDirectlyFromNamedConnectionStrings(prefixedToggleConfigName));
}
private static string CalculateToggleNameAsItShouldAppearInConfig(IFeatureToggle toggle)
{
return(ToggleConfigurationSettings.Prefix + toggle.GetType().Name);
}
