public async Task <bool> IsReadyToMerge(GithubPullRequestDTO PR)
{
if (PR.state == "open")
{
if (await IsApproved(PR))
{
if (await IsMergeable(PR))
{
if (SatisfiesLabels(PR))
{
return(true);
}
else
{
var message = $"Flag removal PR opened by {PR.user.login} is open, approved, mergeable but does not satisfy Date restrictions: [Link]({PR.url})";
_logger.alertFlowdock(message);
}
}
else
{
var message = $"Flag removal PR opened by {PR.user.login} is open, and approved but not mergeable: [Link]({PR.url})";
_logger.alertFlowdock(message);
}
}
else
{
var message = $"Flag removal PR opened by {PR.user.login} is open but not approved: [Link]({PR.url})";
_logger.alertFlowdock(message);
}
}
return(false);
}
public bool SatisfiesLabels(GithubPullRequestDTO PR)
{
var labels = PR.labels;
foreach (var label in PR.labels)
{
DateTime threshold;
var success = DateTime.TryParse(label.name, out threshold);
if (success)
{
return(DateTime.Now > threshold);
}
}
return(true);
}
private async Task ProcessPRForFlag(GithubPullRequestDTO PR, string flag)
{
var ready = await _api.IsReadyToMerge(PR);
if (ready)
{
var response = await _api.MergePR(PR);
if (response.merged)
{
_flowdock.alertFlowdock($"[PR]({PR.url}) for the removal of {flag} has been automatically merged");
}
else
{
_flowdock.alertFlowdock($"[PR]({PR.url}) for the removal of {flag} failed to merge automatically - {response.message}");
}
}
}
public async Task <GithubMergeResponseDTO> MergePR(GithubPullRequestDTO PR)
{
return(new GithubMergeResponseDTO
{
merged = false,
message = "Still in dry run mode, no merged will be performed"
});
var url = $"https://{API_BASE}/{RepoOwner}/{RepoName}/pulls/{PR.number}/merge";
var reqDTO = new GithubMergeRequestDTO
{
commit_title = $"Automatic merging of approved flag removal branch {PR.head.@ref}",
merge_method = "squash"
};
var json = JsonConvert.SerializeObject(reqDTO);
var response = await _client.Put(url, json);
var content = await response.ReadAsStringAsync();
return(JsonConvert.DeserializeObject <GithubMergeResponseDTO>(content));
}
public async Task <bool> IsApproved(GithubPullRequestDTO PR)
{
var reviews = await GetPullRequestReviews(PR.number);
Dictionary <string, ReviewStateDTO> userToReviewStateMap = new Dictionary <string, ReviewStateDTO>();
foreach (var review in reviews)
{
string[] relevantStates = { "APPROVED", "CHANGES_REQUESTED" };
if (!relevantStates.Contains(review.state))
{
continue;
}
var reviewer = review.user.login;
if (!userToReviewStateMap.ContainsKey(reviewer))
{
userToReviewStateMap.Add(reviewer, new ReviewStateDTO
{
submitted = DateTime.Parse(review.submitted_at),
state = review.state
});
}
else
{
var newSubmissionDate = DateTime.Parse(review.submitted_at);
if (newSubmissionDate > userToReviewStateMap[reviewer].submitted)
{
userToReviewStateMap[reviewer].submitted = newSubmissionDate;
userToReviewStateMap[reviewer].state = review.state;
}
}
}
return(userToReviewStateMap.Count > 0 && userToReviewStateMap.Values.All(o => o.state == "APPROVED"));
}
public async Task <bool> IsMergeable(GithubPullRequestDTO PR)
{
var fullPR = await GetPullRequestByNum(PR.number);
return(fullPR.mergeable == true);
}