from yams.buildobjs import (EntityType, RelationType, SubjectRelation,

                            RichString)

from cubicweb.schema import RRQLExpression

class Comment(EntityType):

    """a comment is a reply about another entity"""

    __permissions__ = {

        'read':   ('managers', 'users', 'guests',),

        'add':    ('managers', 'users',),

        'delete': ('managers', 'owners',),

        'update': ('managers', 'owners',),

        }

    content = RichString(required=True, fulltextindexed=True)

    comments = SubjectRelation('Comment', cardinality='1*', composite='object')

class comments(RelationType):

    __permissions__ = {

        'read':   ('managers', 'users', 'guests'),

        'add':    ('managers', 'users',),

        'delete': ('managers', RRQLExpression('S owned_by U'),),

        }

    inlined = True

    composite = 'object'

    cardinality = '1*'