/// <summary>
/// Calculate difference between two WorkflowDetails objects
/// </summary>
private TwoListDifference <MergeRequest> getMergeRequestDiff(string hostname,
List <Project> enabledProjects, IWorkflowDetails oldDetails, IWorkflowDetails newDetails)
{
TwoListDifference <MergeRequest> diff = new TwoListDifference <MergeRequest>
{
FirstOnly = new List <MergeRequest>(),
SecondOnly = new List <MergeRequest>(),
Common = new List <MergeRequest>()
};
foreach (var project in enabledProjects)
{
ProjectKey key = new ProjectKey {
HostName = hostname, ProjectId = project.Id
};
List <MergeRequest> previouslyCachedMergeRequests = oldDetails.GetMergeRequests(key);
List <MergeRequest> newCachedMergeRequests = newDetails.GetMergeRequests(key);
diff.FirstOnly.AddRange(previouslyCachedMergeRequests.Except(newCachedMergeRequests).ToList());
diff.SecondOnly.AddRange(newCachedMergeRequests.Except(previouslyCachedMergeRequests).ToList());
diff.Common.AddRange(previouslyCachedMergeRequests.Intersect(newCachedMergeRequests).ToList());
}
return(diff);
}
/// <summary>
/// Cache passed merge requests
/// </summary>
private void cacheMergeRequests(string hostname, Project project, List <MergeRequest> mergeRequests)
{
ProjectKey key = getProjectKey(hostname, project.Id);
InternalDetails.SetProjectName(key, project.Path_With_Namespace);
List <MergeRequest> previouslyCachedMergeRequests = InternalDetails.GetMergeRequests(key);
InternalDetails.SetMergeRequests(key, mergeRequests);
Trace.TraceInformation(String.Format(
"[WorkflowDetailsCache] Number of cached merge requests for project {0} at {1} is {2} (was {3} before update)",
project.Path_With_Namespace, hostname, mergeRequests.Count, previouslyCachedMergeRequests.Count));
cleanupOldRecords(previouslyCachedMergeRequests, mergeRequests);
}
/// <summary>
/// Load merge requests from GitLab and cache them
/// </summary>
async private Task cacheMergeRequestsAsync(string hostname, Project project)
{
ProjectKey key = getProjectKey(hostname, project.Id);
InternalDetails.SetProjectName(key, project.Path_With_Namespace);
List <MergeRequest> mergeRequests;
try
{
mergeRequests = await Operator.GetMergeRequestsAsync(hostname, InternalDetails.GetProjectName(key));
}
catch (OperatorException ex)
{
ExceptionHandlers.Handle(ex, String.Format("Cannot load merge requests for project Id {0}", project.Id));
return; // silent return
}
cacheMergeRequests(hostname, project, mergeRequests);
}
/// <summary>
/// Convert a list of Project Id to list of Project names
/// </summary>
private List <ProjectUpdate> getProjectUpdates(List <MergeRequest> mergeRequests, string hostname,
IWorkflowDetails details)
{
List <ProjectUpdate> projectUpdates = new List <ProjectUpdate>();
// Check all the updated merge request to figure out the latest change among them
DateTime updateTimestamp = DateTime.MinValue;
foreach (MergeRequest mergeRequest in mergeRequests)
{
ProjectKey key = new ProjectKey {
HostName = hostname, ProjectId = mergeRequest.Project_Id
};
string projectName = details.GetProjectName(key);
// Excluding duplicates
for (int iUpdate = projectUpdates.Count - 1; iUpdate >= 0; --iUpdate)
{
if (projectUpdates[iUpdate].ProjectName == projectName)
{
projectUpdates.RemoveAt(iUpdate);
}
}
updateTimestamp = details.GetLatestChangeTimestamp(mergeRequest.Id) > updateTimestamp?
details.GetLatestChangeTimestamp(mergeRequest.Id) : updateTimestamp;
projectUpdates.Add(
new ProjectUpdate
{
HostName = hostname,
ProjectName = projectName,
Timestamp = updateTimestamp
});
}
return(projectUpdates);
}
/// <summary>
/// Sets a list of merge requests for the given project
/// </summary>
internal void SetMergeRequests(ProjectKey key, List <MergeRequest> mergeRequests)
{
MergeRequests[key] = mergeRequests;
}
/// <summary>
/// Return a list of merge requests by unique project id
/// </summary>
public List <MergeRequest> GetMergeRequests(ProjectKey key)
{
return(MergeRequests.ContainsKey(key) ? MergeRequests[key] : new List <MergeRequest>());
}
/// <summary>
/// Add a project name/id pair to the cache
/// </summary>
internal void SetProjectName(ProjectKey key, string name)
{
ProjectNames[key] = name;
}
/// <summary>
/// Return project name (Path_With_Namespace) by unique project Id
/// </summary>
public string GetProjectName(ProjectKey key)
{
Debug.Assert(ProjectNames.ContainsKey(key));
return(ProjectNames.ContainsKey(key) ? ProjectNames[key] : String.Empty);
}
