public async Task <GitHubMirrorSynchronizeResult> SynchronizeAsync(bool okToDeleteFiles = true)
{
var result = new GitHubMirrorSynchronizeResult();
try {
var pagesContentResult = await gitHubAPI.GetContent(gitHubBaseDir);
var treeContents = await Task.WhenAll(pagesContentResult.Where(p => p.type == "dir").Select(async p => {
var treeResults = await gitHubAPI.GetTreeRecursively(p.sha);
return(new {
p.path,
treeResults
});
}));
var filesPathSha = pagesContentResult.Where(p => p.type == "file").Select(f => new {
path = f.path.Replace(gitHubBaseDir + "/", ""),
sha = f.sha
}).Concat(treeContents.SelectMany(t => t.treeResults.tree.Where(p => p.type == "blob").Select(p => new {
path = t.path.Replace(gitHubBaseDir + "/", "") + "/" + p.path,
sha = p.sha
})));
var remoteFilesSynced = (await Task.WhenAll(filesPathSha.Select(async f => {
var getBlobTask = gitHubAPI.GetBlob(f.sha);
string status = null;
var localFileInfo = new System.IO.FileInfo(localDir + "\\" + f.path.Replace("/", "\\"));
var blob = await getBlobTask;
byte[] fileContents = Convert.FromBase64String(blob.content);
FileStream fileStream = null;
if (!localFileInfo.Exists)
{
status = "added";
localFileInfo.Directory.Create();
fileStream = new System.IO.FileStream(
localFileInfo.FullName,
System.IO.FileMode.Create,
System.IO.FileAccess.Write);
}
else
{
using (var md5 = MD5.Create()) {
fileStream = new System.IO.FileStream(
localFileInfo.FullName,
System.IO.FileMode.Open,
System.IO.FileAccess.Read);
if (!SameContents(fileStream, fileContents))
{
fileStream.Close();
fileStream = new System.IO.FileStream(
localFileInfo.FullName,
System.IO.FileMode.Truncate,
System.IO.FileAccess.Write);
status = "update";
}
}
}
if (status != null && fileStream != null)
{
fileStream.Write(fileContents, 0, fileContents.Length);
fileStream.Close();
}
return(new {
localPath = localFileInfo.FullName,
status
});
}))).ToArray();
result.FilesUpdated = remoteFilesSynced
.Where(f => f.status == "updated")
.Select(f => f.localPath)
.ToArray();
result.FilesAdded = remoteFilesSynced
.Where(f => f.status == "added")
.Select(f => f.localPath)
.ToArray();
result.FilesDeleted = Directory
.EnumerateFiles(localDir, "*", SearchOption.AllDirectories)
.Where(f => !remoteFilesSynced.Any(s => s.localPath == f))
.Select(f => {
if (okToDeleteFiles)
{
File.Delete(f);
}
return(f);
})
.ToArray();
} catch (Exception ex) {
throw ex;
}
return(result);
}
