from django.db import models

# Create your models here.

from django.db import models

import sha

mutable = True

class Chapter(models.Model):

    id = models.CharField('ID attribute', max_length=64, editable=False,

                          primary_key=True)

    chapter = models.CharField('Chapter ID', max_length=100, editable=False,

                               db_index=True)

    def __unicode__(self):

        return self.id

class Comment(models.Model):

    element = models.ForeignKey(Element,

        help_text='ID of paragraph that was commented on')

    comment = models.TextField(editable=mutable,

        help_text='Text of submitted comment (please do not modify)')

    submitter_name = models.CharField('Submitter', max_length=64,

        help_text='Self-reported name of submitter (may be bogus)')

    submitter_url = models.URLField('URL', blank=True, editable=mutable,

        help_text='Self-reported URL of submitter (may be empty or bogus)')

    ip = models.IPAddressField('IP address', editable=mutable,

        help_text='IP address from which comment was submitted')

    date = models.DateTimeField('date submitted', auto_now=True,

                                auto_now_add=True)

    reviewed = models.BooleanField(default=False, db_index=True,

        help_text='Has this comment been reviewed by an author?')

    hidden = models.BooleanField(default=False, db_index=True,

        help_text='Has this comment been hidden from public display?')

    def __unicode__(self):

        return self.comment[:32]

    def get_absolute_url(self):

        s = sha.new()

        s.update(repr(self.comment))

        s.update(repr(self.submitter_name))

        s.update(str(self.date))

        return '/read/%s.html#%s?comment=%s&uuid=%s' % (

            self.element.chapter, self.element.id, self.id, s.hexdigest()[:20]

            )