from data import Registry, RowModel, Table
from data.columns import Bool, Integer, Timestamp, String

from weakref import WeakValueDictionary

class Koan(RowModel):
    _tablename_ = 'koans'
    _cache_ = WeakValueDictionary()

    koanid = Integer(primary=True)
    communityid = Integer()
    content = String()
    deleted_at = Timestamp()
    created_by = Integer()
    created_at = Timestamp()
    _timestamp = Timestamp()


class KoanInfo(Koan):
    _tablename_ = 'koans_info'
    _readonly_ = True
    _cache_ = WeakValueDictionary()
    
    koanlabel = Integer()
    is_deleted = Bool()


class KoansData(Registry):
    VERSION = ('KOANS', 2)
    koans = Koan.table
    koans_info = KoanInfo.table