/// <summary>
///
/// </summary>
public static AlertRule ExtractAlert(DataContext dc, ModelDashboard db, int panelId)
{
var rule = ExtractAlerts(dc, db)
.FirstOrDefault(x => x.PanelId == panelId);
if (null == rule)
{
AlertValidationException.ThrowBadPanel();
}
return(rule);
}
/// <summary>
///
/// </summary>
/// <param name="dc"></param>
/// <returns></returns>
public AlertRules ExtractAlerts()
{
var data = JObject.Parse(Dashboard.Data);
var panels = data [PROP_PANELS];
var rules = new List <Rule>();
if (null == panels)
{
return(rules);
}
foreach (var p in panels)
{
var panelId = p [PROP_ID].Value <int>();
var jsonAlert = p [PROP_WIDGET]? [PROP_ALERT];
if (null == jsonAlert)
{
continue;
}
var jsonMetrics = p [PROP_WIDGET]? [PROP_METRICS];
var dataSource = GetDataSource(jsonMetrics);
var queries = dataSource
.QueryBuilder
.Parse(jsonMetrics);
try
{
var rule = jsonAlert
.ToObject <Rule>()
.Validate(refId => queries.WithRefId(dataSource.Id, refId));
rule.PanelId = panelId;
rules.Add(rule);
}
catch (JsonSerializationException e)
{
// Hide deserialization details.
AlertValidationException.ThrowBadDeserialization(e?.InnerException?.Message);
}
}
return(rules);
}
/// <summary>
///
/// </summary>
/// <param name="jsonMetrics"></param>
/// <returns></returns>
private ModelDataSource GetDataSource(JToken jsonMetrics)
{
var id = jsonMetrics? [PROP_DATA_SOURCE]?.Value <int>();
if (null == id)
{
AlertValidationException.ThrowBadDataSource();
}
var dsRes = DataContext.GetRepo <DataSourceRepository>() [id.Value];
if (dsRes.HasError)
{
AlertValidationException.ThrowBadDataSource();
}
return(dsRes.Value);
}
