/// <summary>
/// Creates one or more <see cref="AlertProperty"/> objects based on an alert presentation property
/// </summary>
/// <param name="propertyOwner">The object that has the property</param>
/// <param name="property">The property info of the property to create</param>
/// <param name="presentationAttribute">The attribute defining the presentation of the alert property</param>
/// <param name="propertyValue">The property value</param>
/// <param name="order">The order to use</param>
/// <param name="parentPropertyName">The parent property name</param>
/// <returns>The <see cref="AlertProperty"/> objects</returns>
private static IEnumerable <AlertProperty> CreateAlertProperties(object propertyOwner, PropertyInfo property, AlertPresentationPropertyAttribute presentationAttribute, object propertyValue, Order order, string parentPropertyName)
{
// Get the attribute display name
string displayName = presentationAttribute.DisplayName.EvaluateInterpolatedString(propertyOwner);
// Get the property name (and add the parent property name as prefix, if provided)
string propertyName = string.IsNullOrWhiteSpace(presentationAttribute.PropertyName) ? property.Name : presentationAttribute.PropertyName;
propertyName = CombinePropertyNames(parentPropertyName, propertyName);
// Try converting the property value to PropertyReference
var propertyReferenceValue = propertyValue as PropertyReference;
// Return the presentation property according to the property type
switch (presentationAttribute)
{
case ChartPropertyAttribute chartAttribute:
yield return(CreateChartAlertProperty(propertyValue, propertyName, displayName, chartAttribute, order));
break;
case MetricChartPropertyAttribute _:
if (!(propertyValue is MetricChart metricChart))
{
throw new ArgumentException($"A {nameof(MetricChartPropertyAttribute)} can only be applied to properties of type {nameof(MetricChart)}");
}
yield return(CreateMetricChartAlertProperty(propertyName, displayName, order, metricChart));
break;
case LongTextPropertyAttribute longTextPropertyAttribute:
if (propertyReferenceValue != null)
{
if (!string.IsNullOrEmpty(longTextPropertyAttribute.FormatString))
{
throw new ArgumentException($"A {nameof(LongTextPropertyAttribute)} applied to properties of type {nameof(PropertyReference)} cannot have format string");
}
yield return(new LongTextReferenceAlertProperty(propertyName, displayName, order.Next(), propertyReferenceValue.ReferencePath, propertyReferenceValue.IsOptional, propertyReferenceValue.IsPropertySerialized));
}
else
{
yield return(new LongTextAlertProperty(propertyName, displayName, order.Next(), PropertyValueToString(propertyOwner, property, propertyValue, longTextPropertyAttribute.FormatString)));
}
break;
case TextPropertyAttribute textPropertyAttribute:
if (propertyReferenceValue != null)
{
if (!string.IsNullOrEmpty(textPropertyAttribute.FormatString))
{
throw new ArgumentException($"A {nameof(TextPropertyAttribute)} applied to properties of type {nameof(PropertyReference)} cannot have format string");
}
yield return(new TextReferenceAlertProperty(propertyName, displayName, order.Next(), propertyReferenceValue.ReferencePath, propertyReferenceValue.IsOptional, propertyReferenceValue.IsPropertySerialized));
}
else
{
yield return(new TextAlertProperty(propertyName, displayName, order.Next(), PropertyValueToString(propertyOwner, property, propertyValue, textPropertyAttribute.FormatString)));
}
break;
case ListPropertyAttribute _:
if (!(propertyValue is IList list))
{
throw new ArgumentException($"A {nameof(ListPropertyAttribute)} can only be applied to properties of type IList");
}
foreach (AlertProperty p in CreateAlertPropertiesFromList(propertyName, list, order))
{
yield return(p);
}
break;
case KeyValuePropertyAttribute keyValueAttribute:
yield return(CreateKeyValueAlertProperty(propertyOwner, propertyValue, propertyName, displayName, keyValueAttribute, order));
break;
case TablePropertyAttribute tableAttribute:
yield return(CreateTableAlertProperty(propertyValue, propertyName, displayName, tableAttribute, order));
break;
case AzureResourceManagerRequestPropertyAttribute armRequestAttribute:
if (!(propertyValue is AzureResourceManagerRequest armRequest))
{
throw new ArgumentException($"A {nameof(AzureResourceManagerRequestPropertyAttribute)} can only be applied to properties of type {nameof(AzureResourceManagerRequest)}");
}
List <AlertProperty> properties = armRequest.ExtractProperties(AzureResourceManagerRequestBaseClassPropertiesNames);
if (properties.Any(prop => !(prop is IReferenceAlertProperty || prop is RawAlertProperty)))
{
// We support raw properties because they can contain values used in interpolated display name string
throw new ArgumentException($"An {nameof(AzureResourceManagerRequest)} can only have reference and raw alert properties");
}
List <AlertProperty> propertiesToDisplay = properties.Where(prop => prop is IReferenceAlertProperty).ToList();
yield return(new AzureResourceManagerRequestAlertProperty(propertyName, order.Next(), armRequest.RequestUri, propertiesToDisplay.Cast <DisplayableAlertProperty>().ToList(), armRequest.IsOptional));
break;
default:
throw new InvalidEnumArgumentException($"Unable to handle presentation attribute of type {presentationAttribute.GetType().Name}");
}
}
