#
#   floof/floof/model/art.py
#
#   Copyright (c) 2009 Scribblr
#

from elixir import *
import elixir

from pylons import config

from floof.lib.file_storage import get_path, save_file
from floof.lib.dbhelpers import find_or_create, update_or_create
from floof.model.users import User


class Art(Entity):
    title = Field(Unicode(120))
    original_filename = Field(Unicode(120))
    hash = Field(Unicode(40), unique=True, required=True)
    mimetype = Field(Unicode(32), required=True)

    uploader = ManyToOne('User', required=True)
    tags = OneToMany('Tag')
    discussion = ManyToOne('Discussion')

    art_users = OneToMany('ArtUser')

    @property
    def file_path(self):
        return get_path("art", self.hash)

    # Associated users
    # XXX ok these could stand to do the filtering sql-side
    @property
    def artists(self):
        return (au.user for au in self.art_users if au.type == ArtUserType.BY)

    @property
    def recipients(self):
        return (au.user for au in self.art_users if au.type == ArtUserType.FOR)

    @property
    def participants(self):
        return (au.user for au in self.art_users if au.type == ArtUserType.OF)

class ArtUserType(object):
    BY = 1
    FOR = 2
    OF = 3

class ArtUser(Entity):
    art = ManyToOne('Art', required=True)
    user = ManyToOne('User', required=True)
    type = Field(Integer, required=True)  # ArtUserType

    # TODO: admin log ought to remember who confirmed the relation.
    #       (tag history will remember who proposed it)