public async Task LoadAsync(FeatureContext featureContext,
Func<FeatureContext, Task<DashboardSettings>> settingsProvider,
Func<FeatureContext, Task<DashboardCommonData>> commonDataProvider,
Func<DashboarLoadParams, Task<List<DashboardUser>>> usersProvider, Func<DashboarLoadParams, Task<List<DashboardVersion>>> versionsProvider,
Func<DashboarLoadParams, Task<List<DashboardException>>> exceptionsProvider, Func<DashboarLoadParams, Task<List<DashboardFeatureByCount>>> mostUsedFeaturesProvider,
Func<DashboarLoadParams, Task<List<DashboardFeatureByCount>>> leastUsedFeaturesProvider, Func<DashboarLoadParams, Task<List<DashboardFeatureByTime>>> slowestFeaturesProvider)
{
if (featureContext == null) throw new ArgumentNullException(nameof(featureContext));
if (settingsProvider == null) throw new ArgumentNullException(nameof(settingsProvider));
if (commonDataProvider == null) throw new ArgumentNullException(nameof(commonDataProvider));
if (usersProvider == null) throw new ArgumentNullException(nameof(usersProvider));
if (versionsProvider == null) throw new ArgumentNullException(nameof(versionsProvider));
if (exceptionsProvider == null) throw new ArgumentNullException(nameof(exceptionsProvider));
if (mostUsedFeaturesProvider == null) throw new ArgumentNullException(nameof(mostUsedFeaturesProvider));
if (leastUsedFeaturesProvider == null) throw new ArgumentNullException(nameof(leastUsedFeaturesProvider));
if (slowestFeaturesProvider == null) throw new ArgumentNullException(nameof(slowestFeaturesProvider));
var settings = await settingsProvider(featureContext);
var dataProvider = await commonDataProvider(featureContext);
var loadParams = new DashboarLoadParams(featureContext, settings, dataProvider);
this.Users = await usersProvider(loadParams);
this.Versions = await versionsProvider(loadParams);
this.Exceptions = await exceptionsProvider(loadParams);
this.MostUsedFeatures = await mostUsedFeaturesProvider(loadParams);
this.LeastUsedFeatures = await leastUsedFeaturesProvider(loadParams);
this.SlowestFeatures = await slowestFeaturesProvider(loadParams);
}
public DashboarLoadParams(FeatureContext featureContext, DashboardSettings settings, DashboardCommonData data)
{
if (featureContext == null) throw new ArgumentNullException(nameof(featureContext));
if (settings == null) throw new ArgumentNullException(nameof(settings));
if (data == null) throw new ArgumentNullException(nameof(data));
this.FeatureContext = featureContext;
this.Settings = settings;
this.Data = data;
}
private async void DashboardScreenLoaded(object sender, RoutedEventArgs e)
{
var core = AppContextObsolete.AppContext;
var feature = Feature.StartNew(@"Dashboard", @"Load");
try
{
using (var featureContext = new FeatureContext(core, feature))
{
await this.ViewModel.LoadAsync(featureContext,
DashboardDataProvider.GetSettingsAsync,
DashboardDataProvider.GetCommonDataAsync,
DashboardDataProvider.GetUsersAsync,
DashboardDataProvider.GetVersionsAsync,
DashboardDataProvider.GetExceptionsAsync, DashboardDataProvider.GetMostUsedFeaturesAsync,
DashboardDataProvider.GetLeastUsedFeaturesAsync, DashboardDataProvider.GetSlowestFeaturesAsync);
}
}
catch (Exception ex)
{
core.Log(ex.ToString(), LogLevel.Error);
core.FeatureManager.Write(feature, ex);
}
}
public static Task<DashboardCommonData> GetCommonDataAsync(FeatureContext featureContext)
{
if (featureContext == null) throw new ArgumentNullException(nameof(featureContext));
{
var contexts = new Dictionary<long, DbFeatureContextRow>();
var features = new Dictionary<long, DbFeatureRow>();
var dbContext = featureContext.DbContext;
dbContext.Fill(contexts, (r, map) =>
{
var row = new DbFeatureContextRow(r.GetInt32(0), r.GetString(1));
map.Add(row.Id, row);
}, new Query(@"SELECT ID, NAME FROM FEATURE_CONTEXTS"));
dbContext.Fill(features, (r, map) =>
{
var row = new DbFeatureRow(r.GetInt32(0), r.GetString(1), r.GetInt32(2));
map.Add(row.Id, row);
}, new Query(@"SELECT ID, NAME, CONTEXT_ID FROM FEATURES"));
return Task.FromResult(new DashboardCommonData(contexts, features));
}
}
public static Task<DashboardSettings> GetSettingsAsync(FeatureContext featureContext)
{
if (featureContext == null) throw new ArgumentNullException(nameof(featureContext));
var feature = featureContext.Feature;
{
var maxUsers = default(int?);
var maxMostUsedFeatures = default(int?);
var log = featureContext.AppContext.Log;
// TODO : Load settings from db for the context
var contextForSettings = nameof(Dashboard);
var settings = new List<Setting>();
foreach (var setting in settings)
{
var name = setting.Name;
var value = setting.Value;
if (name.Equals(nameof(DashboardSettings.MaxUsers), StringComparison.OrdinalIgnoreCase))
{
maxUsers = ValueParser.ParseInt(value, log);
break;
}
if (name.Equals(nameof(DashboardSettings.MaxMostUsedFeatures), StringComparison.OrdinalIgnoreCase))
{
maxMostUsedFeatures = ValueParser.ParseInt(value, log);
break;
}
}
if (maxUsers == null)
{
log($@"Unable to find value for '{nameof(DashboardSettings.MaxUsers)}'", LogLevel.Warn);
}
if (maxMostUsedFeatures == null)
{
log($@"Unable to find value for '{nameof(DashboardSettings.MaxMostUsedFeatures)}'", LogLevel.Warn);
}
return Task.FromResult(DashboardSettings.Default);
}
}
