# -*- coding: utf-8 -*-

from datetime import datetime

from decimal import Decimal

from django.db import models

from django.db.models import Q

from django.db.models.signals import post_save

from django.contrib.auth.models import User

from markitup.fields import MarkupField

from symposion.proposals.models import ProposalBase

    def as_sql(self, qn, connection=None):

        sql = "((3 * plus_one + plus_zero) - (minus_zero + 3 * minus_one))"

        return sql, []

    def prepare_database_save(self, unused):

        return self

class Votes(object):

    PLUS_ONE = "+1"

    PLUS_ZERO = "+0"

    CHOICES = [

        (PLUS_ONE, u"+1 — Good proposal and I will argue for it to be accepted."),

        (PLUS_ZERO, u"+0 — OK proposal, but I will not argue for it to be accepted."),

        (MINUS_ZERO, u"−0 — Weak proposal, but I will not argue strongly against acceptance."),

        (MINUS_ONE, u"−1 — Serious issues and I will argue to reject this proposal."),

    ]

VOTES = Votes()

class ReviewAssignment(models.Model):

    AUTO_ASSIGNED_INITIAL = 0