/// <summary>
/// Update a check run based on a NewCheckRun and evaluation
/// </summary>
/// <param name="newCheckRun">The NewCheckRun that needs to be updated</param>
/// <param name="eval">The result of that updated check run</param>
/// <returns>The updated CheckRun</returns>
private CheckRunUpdate CheckRunForUpdate(MergePolicyEvaluationResult eval)
{
CheckRunUpdate updatedCheckRun = new CheckRunUpdate();
UpdateCheckRun(updatedCheckRun, eval);
return(updatedCheckRun);
}
public async Task CreateOrUpdatePullRequestMergeStatusInfoAsync(string pullRequestUrl, IReadOnlyList <MergePolicyEvaluationResult> evaluations)
{
(string owner, string repo, int id) = ParsePullRequestUri(pullRequestUrl);
// Get the sha of the latest commit for the current PR
string prSha = (await Client.PullRequest.Get(owner, repo, id))?.Head?.Sha;
if (prSha == null)
{
throw new InvalidOperationException("We cannot find the sha of the pull request");
}
// Get a list of all the merge policies checks runs for the current PR
List <CheckRun> existingChecksRuns =
(await Client.Check.Run.GetAllForReference(owner, repo, prSha))
.CheckRuns.Where(e => e.ExternalId.StartsWith(MergePolicyConstants.MaestroMergePolicyCheckRunPrefix)).ToList();
var toBeAdded = evaluations.Where(e => existingChecksRuns.All(c => c.ExternalId != CheckRunId(e, prSha)));
var toBeUpdated = existingChecksRuns.Where(c => evaluations.Any(e => c.ExternalId == CheckRunId(e, prSha)));
var toBeDeleted = existingChecksRuns.Where(c => evaluations.All(e => c.ExternalId != CheckRunId(e, prSha)));
foreach (var newCheckRunValidation in toBeAdded)
{
await Client.Check.Run.Create(owner, repo, CheckRunForAdd(newCheckRunValidation, prSha));
}
foreach (var updatedCheckRun in toBeUpdated)
{
MergePolicyEvaluationResult eval = evaluations.Single(e => updatedCheckRun.ExternalId == CheckRunId(e, prSha));
CheckRunUpdate newCheckRunUpdateValidation = CheckRunForUpdate(eval);
await Client.Check.Run.Update(owner, repo, updatedCheckRun.Id, newCheckRunUpdateValidation);
}
foreach (var deletedCheckRun in toBeDeleted)
{
await Client.Check.Run.Update(owner, repo, deletedCheckRun.Id, CheckRunForDelete(deletedCheckRun));
}
}
/// <summary>
/// Create a NewCheckRun based on the result of the merge policy
/// </summary>
/// <param name="result">The evaluation of the merge policy</param>
/// <param name="sha">Sha of the latest commit</param>
/// <returns>The new check run</returns>
private NewCheckRun CheckRunForAdd(MergePolicyEvaluationResult result, string sha)
{
var newCheckRun = new NewCheckRun($"{MergePolicyConstants.MaestroMergePolicyDisplayName} - {result.MergePolicyInfo.DisplayName}", sha);
newCheckRun.ExternalId = CheckRunId(result, sha);
UpdateCheckRun(newCheckRun, result);
return(newCheckRun);
}
/// <summary>
/// Update some properties of a CheckRunUpdate
/// </summary>
/// <param name="newUpdateCheckRun">The CheckRunUpdate that needs to be updated</param>
/// <param name="result">The result of that new check run</param>
private void UpdateCheckRun(CheckRunUpdate newUpdateCheckRun, MergePolicyEvaluationResult result)
{
var output = FormatOutput(result);
newUpdateCheckRun.Output = output;
newUpdateCheckRun.Status = CheckStatus.Completed;
if (result.Status == MergePolicyEvaluationStatus.Pending)
{
newUpdateCheckRun.Status = CheckStatus.InProgress;
}
else if (result.Status == MergePolicyEvaluationStatus.Success)
{
newUpdateCheckRun.Conclusion = "success";
newUpdateCheckRun.CompletedAt = DateTime.Now;
}
else
{
newUpdateCheckRun.Conclusion = "failure";
newUpdateCheckRun.CompletedAt = DateTime.UtcNow;
}
}
private static NewCheckRunOutput FormatOutput(MergePolicyEvaluationResult result)
{
return(new NewCheckRunOutput(result.Message ?? "no details", string.Empty));
}
/// <summary>
/// Returns the ID used to identify the maestro merge policies checks in a PR
/// </summary>
/// <param name="mergePolicyName">Name of the merge policy</param>
/// <param name="sha">Sha of the latest commit in the PR</param>
private string CheckRunId(MergePolicyEvaluationResult result, string sha)
{
return($"{MergePolicyConstants.MaestroMergePolicyCheckRunPrefix}{result.MergePolicyInfo.Name}-{sha}");
}
