/// <summary>
/// Method to fetch statistics for a given repository
/// </summary>
/// <param name="requestData">Required data for analysis</param>
/// <returns>Repository statistics</returns>
public async Task <Repo_Stat_Result> Get_Repository_Stats(Repo_Stat_Request requestData)
{
List <Repo_Stat_Info> stats = new List <Repo_Stat_Info>();
List <Repo_Commit> allCommits = new List <Repo_Commit>();
// Flag to signify if all of a repository's commits have been fetched
bool allCommitsFetched = false;
// Variable to track how many fetches have been performed
var pass = 1;
// Create list to store the GraphQL "commits"
List <Node> nodes = new List <Node>();
// Variable to store the ID of the last commit. Currently set to empty as nothing has been processed
var after = "";
// Variable to specify that only commits from the master branch are being considered
var branch = "master";
do
{
// Vaariable to store the query to be used. Must be populated by conditional statement
var query = "";
if (pass != 1)
{
// Set the query to include the after variable so that only commits after this ID are fetched (avoids duplicates)
query = "query { repository(name: \"" + requestData.Repo_Name + "\", owner: \"" + requestData.User_Name + "\") { ref(qualifiedName: \"" + branch + "\") { target { ... on Commit { id history(first: 100, after: \"" + after + "\") { pageInfo { hasNextPage, endCursor } edges { node { messageHeadline oid message author { user { login avatarUrl id } name email date } changedFiles additions deletions } } } } } } } }";
}
else
{
// Set the query to not include the after variable as this is the first fetch
query = "query { repository(name: \"" + requestData.Repo_Name + "\", owner: \"" + requestData.User_Name + "\") { ref(qualifiedName: \"" + branch + "\") { target { ... on Commit { id history(first: 100) { pageInfo { hasNextPage, endCursor } edges { node { messageHeadline oid message author { user { login avatarUrl id } name email date } changedFiles additions deletions } } } } } } } }";
}
// Get the response for the given GraphQL query
var response = await _graphQLService.Perform_GraphQL_Request(query, GitHub_Model_Types.GraphQL_Repository_Result);
// Parse the response
var parsedResponse = (GraphQLRepositoryResult)response;
// Increment the number of passes
pass++;
// If no error were encountered
if (parsedResponse.Errors.Count() == 0)
{
// Add the processed commits to the global list
nodes.AddRange(parsedResponse.RepositoryInfo.Repository.Ref.Target.History.Edges.Select(x => x.Node));
// If more needs to be processed
if (parsedResponse.RepositoryInfo.Repository.Ref.Target.History.PageInfo.HasNextPage)
{
// Populate the after variable with the last ID encountered
after = parsedResponse.RepositoryInfo.Repository.Ref.Target.History.PageInfo.EndCursor;
}
else
{
// Update the flag so that the loop will be broken. All commits have been fetched
allCommitsFetched = true;
}
}
else
{
break;
}
} while (allCommitsFetched == false);
// Iterate through each commit returned
foreach (var node in nodes)
{
// Add the nodes as a Repo_Commit object for easier processing
allCommits.Add(new Repo_Commit()
{
Sha = node.Oid,
Author = new Author_Info()
{
Login = node.Author.User.Login,
Avatar_Url = node.Author.User.AvatarUrl,
Id = node.Author.User.Id
},
Commit = new Commit()
{
Message = node.Message,
Committer = new Commiter()
{
Date = node.Author.Date,
Email = node.Author.Email,
Message = node.Message,
Name = node.Author.Name
}
},
Stats = new Commit_Stats()
{
Additions = node.Additions,
Deletions = node.Deletions,
Total = (node.Additions + node.Deletions),
Changed_Files = node.ChangedFiles
}
});
}
// Iterate through each unique author identified
foreach (var author in allCommits.Select(x => x.Author.Login).Distinct())
{
// Get the author's avatar URL and their ID
var authorUrl = allCommits.FirstOrDefault(x => x.Author.Login == author).Author.Avatar_Url;
var authorId = allCommits.FirstOrDefault(x => x.Author.Login == author).Author.Id;
// Fetch all commits by the current author within the time range
var authorCommits = allCommits.Where(x => x.Author.Login == author && !requestData.Restricted_Commits.Contains(x.Sha) && x.Commit.Committer.Date.Date >= requestData.Start.Date && x.Commit.Committer.Date.Date <= requestData.End.Date).ToList();
// Create variable to track if the author is below the specified commit threshold
var belowThreshold = false;
// Check if the author is below the commit threshold
if (authorCommits.Count() < requestData.Commit_Threshold)
{
belowThreshold = true;
}
// Add the author's statistical information to the stats list
stats.Add(new Repo_Stat_Info()
{
Author = new Author_Info()
{
Login = author,
Avatar_Url = authorUrl,
Id = authorId
},
Commits = authorCommits,
Total = authorCommits.Count(),
Additions = authorCommits.Select(x => x.Stats.Additions).Sum(),
Deletions = authorCommits.Select(x => x.Stats.Deletions).Sum(),
Below_Threshold = belowThreshold
});
}
// Return the stats result
return(new Repo_Stat_Result()
{
Stats = stats,
Status = new Status()
{
Status_Code = 200,
Message = "OK"
}
});
}