private CommitDTO Parse(IEnumerable <string> commitLines)
{
try
{
// TODO: this code should be refactored and replaced with womething like
// a visitor pattern for the parser. Additionally, it should not fail
// when an unknown token occurs.
if (commitLines?.Count() > 3)
{
var commit = new CommitDTO()
{
Id = this.commitIdParser.Parse(commitLines.ElementAt(0))
};
var authorInfo = this.commitAuthorParser.Parse(commitLines.ElementAt(1));
commit.AuthorName = authorInfo.name;
commit.AuthorEmail = authorInfo.email;
commit.Date = commitDateParser.Parse(commitLines.ElementAt(2));
commit.Message = commitMessageParser.Parse(commitLines.Skip(3));
return(commit);
}
else
{
logger.Error("Insufficient information for a commit: \n" + string.Join("\n", commitLines));
return(null);
}
}
catch (Exception exp)
{
logger.Error("Commit parsing exception while parsing: \n" + string.Join("\n", commitLines), exp);
return(null);
}
}
public async Task <IEnumerable <CommitDTO> > GetCommits(string url, int page = 0, int per_page = 10)
{
try
{
var repoInfo = ParseGithubUrl(url);
string path = $"/repos/{repoInfo.owner}/{repoInfo.repo}/commits?page={page}&per_page={per_page}";
var response = await this.githubClient.GetAsync(path).ConfigureAwait(false);
if (response.IsSuccessStatusCode)
{
var json = JsonConvert.DeserializeObject <JArray>(await response.Content.ReadAsStringAsync().ConfigureAwait(false));
return(CommitMapper.Map(json));
}
else
{
logger.Error($"Insuccess status code while getting commits from Github. StatusCode: {response.StatusCode}");
throw new CommitFetchingOperationException($"Insuccess status code while getting commits from Github. StatusCode: {response.StatusCode}");
}
}
catch (Exception exp)
{
logger.Error("Exception while getting commits from Github.");
throw new CommitFetchingOperationException($"Exception while getting commits from Github.", exp);
}
}
public async Task <IEnumerable <CommitDTO> > GetCommits(string url, int page = 0, int per_page = 10)
{
try
{
// if the project was already cloned let's use pull... it's faster
bool gitPull = true;
string projectPath = this.GetProjectPath(url);
if (!Directory.Exists(projectPath))
{
logger.Debug($"Preparing to clone new project {url}");
Directory.CreateDirectory(projectPath);
gitPull = false;
}
else
{
logger.Debug($"The project {url} was already cloned.");
}
// formating command with input parameters
string command = string.Format(gitPull ? this.gitPull : this.gitClone,
projectPath,
url,
page * per_page + per_page,
page * per_page,
per_page);
string gitLog = await this.ExecuteShellCommand(command);
// TODO: remove this HACK... the STDOUT must not contain the command that was executed
gitLog = gitLog.Remove(0, gitLog.IndexOf("commit "));
return(string.IsNullOrWhiteSpace(gitLog) ? new List <CommitDTO>() : this.commitParser.Parse(gitLog));
}
catch (Exception exp)
{
logger.Error($"Unexpected error while getting and parsing commits in {nameof(GitCLICommitFetcher)}", exp);
throw new CommitFetchingOperationException("Unexpected error while getting and parsing commits. Check inner exception.", exp);
}
}
