public ActionResult Revision(int id, int fileId, int revisionId)
{
return ExecApiMethod(() =>
{
var userNameInfo = UserName;
var settings = UserSettings;
var changeList = GetChangeList(id);
var changeFile = GetChangeFile(changeList, fileId);
var gen = new DiffGenerator(db);
var baseReviewId = gen.GetBaseReviewId(userNameInfo.userName, changeList.Id);
var fileVersions = changeFile.FileVersions.ToArray();
var prev = 0;
if (revisionId == 0 && fileVersions.Length == 1)
{
var left = fileVersions.First();
var right = left;
var diffFile = gen.GenerateDiffFile(left, right, changeList.CL, baseReviewId, settings, force: false);
if (string.IsNullOrEmpty(diffFile) || !System.IO.File.Exists(diffFile))
throw new ApplicationException(string.Format("Failed to create a diff file for change list id: {0} file id: {1} revision id: {2}", id, fileId, revisionId));
return StreamFile(diffFile);
}
for (var idx = prev + 1; idx < fileVersions.Length; prev = idx++)
{
if (revisionId != idx - 1)
continue;
var vid1 = fileVersions[prev].Id;
var vid2 = fileVersions[idx].Id;
var left = fileVersions[prev];
var right = fileVersions[idx];
var diffFile = gen.GenerateDiffFile(left, right, changeList.CL, baseReviewId, settings, force: false);
if (string.IsNullOrEmpty(diffFile) || !System.IO.File.Exists(diffFile))
throw new ApplicationException(string.Format("Failed to create a diff file for change list id: {0} file id: {1} revision id: {2}", id, fileId, revisionId));
return StreamFile(diffFile);
}
throw new ApplicationException(string.Format("Did not find revision for change list id: {0} file id: {1} revision id: {2}", id, fileId, revisionId));
});
}