def create(self, artist, title, trackCount, releaseDate):
if not artist or not title or not trackCount or not releaseDate:
return None
release = Release()
release.title = title
release.releaseDate = parseDate(releaseDate)
release.trackCount = trackCount
release.artistId = artist.id
release.createdDate = arrow.utcnow().datetime
release.roadieId = str(uuid.uuid4())
release.alternateNames = []
cleanedTitle = createCleanedName(title)
if cleanedTitle != title.lower().strip():
release.alternateNames.append(cleanedTitle)
return release
