private async Task EnsureScheduledBuildFailSubscriptionExists(BuildDefinition pipeline, WebApiTeam team, bool persistChanges)
{
const string BuildFailureNotificationTag = "#AutomaticBuildFailureNotification";
var subscriptions = await service.GetSubscriptionsAsync(team.Id);
var subscription = subscriptions.FirstOrDefault(sub => sub.Description.Contains(BuildFailureNotificationTag));
logger.LogInformation("Team Is Subscribed TeamName = {0} PipelineId = {1}", team.Name, pipeline.Id);
string definitionName = $"\\{pipeline.Project.Name}\\{pipeline.Name}";
if (subscription == default)
{
var filterModel = new ExpressionFilterModel
{
Clauses = new ExpressionFilterClause[]
{
new ExpressionFilterClause {
Index = 1, LogicalOperator = "", FieldName = "Status", Operator = "=", Value = "Failed"
},
new ExpressionFilterClause {
Index = 2, LogicalOperator = "And", FieldName = "Definition name", Operator = "=", Value = definitionName
},
new ExpressionFilterClause {
Index = 3, LogicalOperator = "And", FieldName = "Build reason", Operator = "=", Value = "Scheduled"
}
}
};
var filter = new ExpressionFilter("ms.vss-build.build-completed-event", filterModel);
var identity = new IdentityRef
{
Id = team.Id.ToString(),
Url = team.IdentityUrl
};
var newSubscription = new NotificationSubscriptionCreateParameters
{
Channel = new UserSubscriptionChannel {
UseCustomAddress = false
},
Description = $"A build fails {BuildFailureNotificationTag}",
Filter = filter,
Scope = new SubscriptionScope {
Type = "none", Id = pipeline.Project.Id
},
Subscriber = identity,
};
logger.LogInformation("Creating Subscription PipelineId = {0}, TeamId = {1}", pipeline.Id, team.Id);
if (persistChanges)
{
subscription = await service.CreateSubscriptionAsync(newSubscription);
}
}
else
{
var filter = subscription.Filter as ExpressionFilter;
if (filter == null)
{
logger.LogWarning("Subscription expression is not correct for of team {0}", team.Name);
return;
}
var definitionClause = filter.FilterModel.Clauses.FirstOrDefault(c => c.FieldName == "Definition name");
if (definitionClause == null)
{
logger.LogWarning("Subscription doesn't have correct expression filters for of team {0}", team.Name);
return;
}
if (definitionClause.Value != definitionName)
{
definitionClause.Value = definitionName;
if (persistChanges)
{
var updateParameters = new NotificationSubscriptionUpdateParameters()
{
Channel = subscription.Channel,
Description = subscription.Description,
Filter = subscription.Filter,
Scope = subscription.Scope,
};
logger.LogInformation("Updating Subscription expression for team {0} with correct definition name {1}", team.Name, definitionName);
subscription = await service.UpdatedSubscriptionAsync(updateParameters, subscription.Id.ToString());
}
}
}
}