private async Task <ActionResult <bool?> > SynchronizePullRequestAsync(string prUrl)
{
ConditionalValue <InProgressPullRequest> maybePr =
await StateManager.TryGetStateAsync <InProgressPullRequest>(PullRequest);
if (!maybePr.HasValue || maybePr.Value.Url != prUrl)
{
return(ActionResult.Create(
(bool?)null,
$"Not Applicable: Pull Request '{prUrl}' is not tracked by maestro anymore."));
}
(string targetRepository, string targetBranch) = await GetTargetAsync();
IRemote darc = await DarcRemoteFactory.GetRemoteAsync(targetRepository, Logger);
InProgressPullRequest pr = maybePr.Value;
PrStatus status = await darc.GetPullRequestStatusAsync(prUrl);
ActionResult <bool?> checkPolicyResult = null;
switch (status)
{
case PrStatus.Open:
checkPolicyResult = await CheckMergePolicyAsync(prUrl, darc);
if (checkPolicyResult.Result == true)
{
goto case PrStatus.Merged;
}
if (checkPolicyResult.Result == false)
{
return(ActionResult.Create((bool?)true, checkPolicyResult.Message));
}
return(ActionResult.Create((bool?)false, checkPolicyResult.Message));
case PrStatus.Merged:
await UpdateSubscriptionsForMergedPRAsync(pr.ContainedSubscriptions);
goto case PrStatus.Closed;
case PrStatus.Closed:
await StateManager.RemoveStateAsync(PullRequest);
break;
default:
Logger.LogError("Unknown pr status '{status}'", status);
break;
}
if (checkPolicyResult != null)
{
return(ActionResult.Create((bool?)null, checkPolicyResult.Message));
}
return(ActionResult.Create((bool?)null, $"PR Has been manually {status}"));
}
private async Task <string> CheckMergePolicyAsyncImpl(string prUrl)
{
Subscription subscription = await Context.Subscriptions.FindAsync(SubscriptionId);
if (subscription == null)
{
await Reminders.TryUnregisterReminderAsync(PullRequestCheck);
await StateManager.TryRemoveStateAsync(PullRequest);
return("Action Ignored: Subscription does not exist.");
}
ConditionalValue <InProgressPullRequest> maybePr =
await StateManager.TryGetStateAsync <InProgressPullRequest>(PullRequest);
if (!maybePr.HasValue)
{
return("Action Ignored: Pull Request not found.");
}
InProgressPullRequest pr = maybePr.Value;
long installationId = await Context.GetInstallationId(subscription.TargetRepository);
IRemote darc = await DarcFactory.CreateAsync(pr.Url, installationId);
SubscriptionPolicy policy = subscription.PolicyObject;
PrStatus status = await darc.GetPullRequestStatusAsync(pr.Url);
switch (status)
{
case PrStatus.Open:
string result = await CheckMergePolicyInternalAsync(darc, policy.MergePolicies, pr);
if (result.StartsWith("Merged:"))
{
subscription.LastAppliedBuildId = pr.BuildId;
await Context.SaveChangesAsync();
await StateManager.RemoveStateAsync(PullRequest);
return(result);
}
return(result);
default:
return("Action Ignored: Pull Request is not Open.");
}
}
public async Task SynchronizeInProgressPRAsync()
{
Subscription subscription = await Context.Subscriptions.FindAsync(SubscriptionId);
if (subscription == null)
{
await Reminders.TryUnregisterReminderAsync(PullRequestCheck);
await StateManager.TryRemoveStateAsync(PullRequest);
return;
}
ConditionalValue <InProgressPullRequest> maybePr =
await StateManager.TryGetStateAsync <InProgressPullRequest>(PullRequest);
if (maybePr.HasValue)
{
InProgressPullRequest pr = maybePr.Value;
long installationId = await Context.GetInstallationId(subscription.TargetRepository);
IRemote darc = await DarcFactory.CreateAsync(pr.Url, installationId);
MergePolicy policy = subscription.PolicyObject.MergePolicy;
PrStatus status = await darc.GetPullRequestStatusAsync(pr.Url);
switch (status)
{
case PrStatus.Open:
switch (policy)
{
case MergePolicy.Never:
return;
case MergePolicy.BuildSucceeded:
case MergePolicy.UnitTestPassed: // for now both of these cases are the same
if (await ShouldMergePrAsync(darc, pr.Url, policy))
{
await darc.MergePullRequestAsync(pr.Url);
goto merged;
}
return;
default:
Logger.LogError("Unknown merge policy '{policy}'", policy);
return;
}
case PrStatus.Merged:
merged:
subscription.LastAppliedBuildId = pr.BuildId;
await Context.SaveChangesAsync();
goto case PrStatus.Closed;
case PrStatus.Closed:
await StateManager.RemoveStateAsync(PullRequest);
break;
default:
Logger.LogError("Unknown pr status '{status}'", status);
return;
}
}
await Reminders.TryUnregisterReminderAsync(PullRequestCheck);
}