public IssueLabelModel(IssueReference issue, string label, bool labeled, DateTime lastChanged)
{
Issue = issue;
Label = label;
Labeled = labeled;
LastChanged = lastChanged;
}
public static void ValidateIssue(IssueReference issue)
{
if (issue is null)
{
throw new ArgumentNullException(nameof(issue));
}
if (issue.Id <= 0)
{
throw new ArgumentOutOfRangeException(nameof(issue.Id), issue.Id, "Issue Id has to be positive non zero number.");
}
if (issue.Number <= 0)
{
throw new ArgumentOutOfRangeException(nameof(issue.Number), issue.Number, "Issue number has to be positive non zero number.");
}
if (string.IsNullOrWhiteSpace(issue.RepositoryOwner))
{
throw new ArgumentException("Repository owner has to be non empty.", nameof(issue.RepositoryOwner));
}
if (string.IsNullOrWhiteSpace(issue.RepositoryName))
{
throw new ArgumentException("Repository name has to be non empty.", nameof(issue.RepositoryName));
}
}
public Task <bool> TestLabel(IssueReference issue, string label)
{
Validation.ValidateIssue(issue);
Validation.ValidateLabel(label);
return(_issueLabelRepository.TestLabel(issue, label));
}
public async Task SubscribeToIssue(IssueReference issue, IReadOnlyCollection <LabelSubscriptionModel> labelSubscriptions)
{
var subscriptions = labelSubscriptions.GroupBy(ls => ls.Label, ls => ls.UserId).ToDictionary(g => g.Key, g => g.ToHashSet());
var gitHubClient = await _gitHubClientFactory.GetGitHubInstallationClient();
var comments = await gitHubClient.Issue.Comment.GetAllForIssue(issue.RepositoryOwner, issue.RepositoryName, issue.Number);
var notifyComment = comments.FirstOrDefault(c => c.Body.Contains(CommentMark, StringComparison.InvariantCultureIgnoreCase));
if (notifyComment == null)
{
var comment = FormatNotifyComment(subscriptions);
await gitHubClient.Issue.Comment.Create(issue.RepositoryOwner, issue.RepositoryName, issue.Number, comment);
}
else
{
// syntax: |**label-name**|owner(s)|
Regex labelSubscriptionPattern = new Regex(@"^\|\s*(?'label'[^,|]+)\s*\|(\s*@(?'users'[\w-/]+))+\s*\|", RegexOptions.Singleline);
using (StringReader sr = new StringReader(notifyComment.Body))
{
string?line;
while ((line = sr.ReadLine()) != null)
{
var match = labelSubscriptionPattern.Match(line);
if (match.Success)
{
var label = match.Groups["label"].Captures[0].Value;
if (!subscriptions.TryGetValue(label, out var subscribers))
{
subscribers = new HashSet <string>();
subscriptions[label] = subscribers;
}
foreach (Capture?capture in match.Groups["users"].Captures)
{
if (capture == null)
{
continue;
}
subscribers.Add(capture.Value);
}
}
}
}
var comment = FormatNotifyComment(subscriptions);
await gitHubClient.Issue.Comment.Update(issue.RepositoryOwner, issue.RepositoryName, notifyComment.Id, comment);
}
}
public async Task <bool> TryRemoveLabel(IssueReference issue, string label, DateTime at)
{
Validation.ValidateIssue(issue);
Validation.ValidateLabel(label);
bool removed = await _issueLabelRepository.TrySetLabel(issue, label, false, at);
if (removed)
{
var labelSubscriptions = await _userLabelRepository.GetLabelSubscriptions(issue.RepositoryOwner, issue.RepositoryName, label);
if (labelSubscriptions.Count > 0)
{
await _issueSubscriber.UnsubscribeFromIssue(issue, labelSubscriptions);
}
}
return(removed);
}
public async Task <bool> TryAddLabel(IssueReference issue, string label, DateTime at)
{
Validation.ValidateIssue(issue);
Validation.ValidateLabel(label);
bool added = await _issueLabelRepository.TrySetLabel(issue, label, true, at);
if (added)
{
var labelSubscriptions = await _userLabelRepository.GetLabelSubscriptions(issue.RepositoryOwner, issue.RepositoryName, label);
if (labelSubscriptions.Count > 0)
{
await _issueSubscriber.SubscribeToIssue(issue, labelSubscriptions);
}
}
return(added);
}
public Task UnsubscribeFromIssue(IssueReference issue, IReadOnlyCollection <LabelSubscriptionModel> labelSubscriptions)
{
// we do not support unsubscribe as it is not possible to do so by issue comments
return(Task.CompletedTask);
}
protected IssueReference IssueReference()
{
var issueReference = new IssueReference(RepositoryOwner, RepositoryName, Issue.Number, Issue.Id, Issue.NodeId);
return(issueReference);
}
