public InterfaceStatusScanner()
{
_triggerThreshold = ConfigManager.SettingsManager.LoadSetting(CONFIGURATION_GROUP, "TriggerThreshold",
StatusReportItem.SeverityCode.Warning);
_displayThreshold = ConfigManager.SettingsManager.LoadSetting(CONFIGURATION_GROUP, "DisplayThreshold",
StatusReportItem.SeverityCode.Info);
}
private void Update(IList <StatusReportItem> freshReport)
{
_report.Clear();
Items.Clear();
Recommendations.Clear();
RecommendationsVisibility = Visibility.Collapsed;
// scan all items for status codes, even if filtered
StatusReportItem.SeverityCode newStatus = freshReport
.Select(item => item.Severity)
.DefaultIfEmpty(StatusReportItem.SeverityCode.None)
.Max();
// filter report
_report.AddRange(freshReport.Where(i => i.Severity >= _displayThreshold));
if (_report.Count < 1)
{
// done
SetStatus(newStatus);
UpdateDetailsVisibility();
return;
}
// create a unique set of recommendations
HashSet <string> uniqueRecommendations = new HashSet <string>(
_report.Select(item => item.Recommendation).Where(text => !string.IsNullOrEmpty(text)),
StringComparer.OrdinalIgnoreCase);
foreach (string recommendation in uniqueRecommendations)
{
Recommendations.Add(recommendation);
RecommendationsVisibility = Visibility.Visible;
}
// create view models for status items
IEnumerable <InterfaceStatusViewItem> checklistItems = _report
.Select(item => new InterfaceStatusViewItem(item));
foreach (InterfaceStatusViewItem checklistItem in checklistItems)
{
Items.Add(checklistItem);
}
SetStatus(newStatus);
UpdateDetailsVisibility();
}
public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
if (!(container is FrameworkElement element))
{
return(null);
}
if (!(item is StatusViewerItem listItem))
{
return(null);
}
StatusReportItem.SeverityCode severity = listItem.Data.Severity;
switch (severity)
{
case StatusReportItem.SeverityCode.None:
// these are incorrectly initialized
ConfigManager.LogManager.LogError(
$"received status report item with invalid severity: {listItem.Data.Severity} '{listItem.Data.Status}'; implementation error");
// render using Error template
severity = StatusReportItem.SeverityCode.Error;
break;
case StatusReportItem.SeverityCode.Info:
break;
case StatusReportItem.SeverityCode.Warning:
break;
case StatusReportItem.SeverityCode.Error:
break;
// ReSharper disable once RedundantEmptySwitchSection
// new cases are explicitly allowed to have resources with matching names
default:
break;
}
return(element.FindResource(severity.ToString()) as DataTemplate);
}
/// <summary>
/// Instead of a setter for the corresponding string, we use this method to
/// ensure the underlying enum can be renamed and otherwise changed safely.
/// </summary>
/// <param name="code"></param>
public void SetStatus(StatusReportItem.SeverityCode code)
{
SetValue(StatusProperty, code.ToString());
switch (code)
{
case StatusReportItem.SeverityCode.None:
StatusNarrative = "This component is not reporting any status.";
break;
case StatusReportItem.SeverityCode.Info:
StatusNarrative = "This component is configured correctly.";
break;
case StatusReportItem.SeverityCode.Warning:
StatusNarrative = "This component is reporting warnings that should be corrected.";
break;
case StatusReportItem.SeverityCode.Error:
StatusNarrative = "This component is reporting errors and requires attention.";
break;
}
}
/// <summary>
/// called by parent if the display threshold is changed after we have already been initialized
/// </summary>
/// <param name="displayThreshold"></param>
internal void ChangeDisplayThreshold(StatusReportItem.SeverityCode displayThreshold)
{
_displayThreshold = displayThreshold;
Update(Data.Report);
}
/// <summary>
/// late init from parent
/// </summary>
/// <param name="displayThreshold"></param>
internal void Initialize(StatusReportItem.SeverityCode displayThreshold)
{
_displayThreshold = displayThreshold;
Update(Data.Report);
Data.PropertyChanged += Data_PropertyChanged;
}
