def create_groups(season: str, week: int) -> None:
if not (1 <= week <= 7):
return
group: Group = Group.objects.filter_by(season=season, week=week).first()
if group:
return
players: List[Player] = Player.objects.filter_by(season=season).get()
players_to_create: List[Group] = list()
for region in Config.REGIONS:
region_players = [player for player in players if player.region == region]
if len(region_players) != 4 * 4:
raise PlayerInRegionNot16(region_players)
for group_index in range(0, 4):
group_players = random.sample(region_players, k=4)
region_players = [player for player in region_players if player not in group_players]
for player in group_players:
group_player = Group()
group_player.player = player.name
group_player.week = week
group_player.season = season
group_player.group = Config.GROUPS[group_index]
group_player.region = player.region
players_to_create.append(group_player)
Group.objects.create_all(Group.objects.to_dicts(players_to_create))
