|
| 1 | +import re |
| 2 | + |
| 3 | +from django.core.exceptions import ValidationError |
| 4 | +from django.core.validators import RegexValidator |
| 5 | +from django.db import models |
| 6 | +from django.db.models import Q |
| 7 | +from django.utils.translation import ugettext_lazy as _ |
| 8 | + |
| 9 | +from feincms3.pages import AbstractPage as BasePage |
| 10 | + |
| 11 | + |
| 12 | +class SiteQuerySet(models.QuerySet): |
| 13 | + def default(self): |
| 14 | + return self.filter(is_default=True).first() |
| 15 | + |
| 16 | + def for_host(self, host): |
| 17 | + default = None |
| 18 | + for site in self.order_by('-is_default'): |
| 19 | + if re.match(site.host_re, host): |
| 20 | + return site |
| 21 | + elif site.is_default: |
| 22 | + default = site |
| 23 | + return default |
| 24 | + |
| 25 | + |
| 26 | +class Site(models.Model): |
| 27 | + is_default = models.BooleanField( |
| 28 | + _('is default'), |
| 29 | + default=False, |
| 30 | + ) |
| 31 | + host = models.CharField( |
| 32 | + _('host'), |
| 33 | + max_length=200, |
| 34 | + ) |
| 35 | + host_re = models.CharField( |
| 36 | + _('host regular expression'), |
| 37 | + max_length=200, |
| 38 | + blank=True, |
| 39 | + ) |
| 40 | + |
| 41 | + objects = SiteQuerySet.as_manager() |
| 42 | + |
| 43 | + class Meta: |
| 44 | + verbose_name = _('site') |
| 45 | + verbose_name_plural = _('sites') |
| 46 | + |
| 47 | + def __str__(self): |
| 48 | + return self.host |
| 49 | + |
| 50 | + def clean(self): |
| 51 | + if self.is_default: |
| 52 | + if self.__class__._base_manager.filter( |
| 53 | + Q(is_default=True), |
| 54 | + ~Q(pk=self.pk), |
| 55 | + ).exists(): |
| 56 | + raise ValidationError( |
| 57 | + _('Only one site can be the default site.'), |
| 58 | + ) |
| 59 | + |
| 60 | + def save(self, *args, **kwargs): |
| 61 | + if not self.host_re: |
| 62 | + self.host_re = r'^%s$' % re.escape(self.host) |
| 63 | + super().save(*args, **kwargs) |
| 64 | + save.alters_data = True |
| 65 | + |
| 66 | + |
| 67 | +class AbstractPage(BasePage): |
| 68 | + site = models.ForeignKey( |
| 69 | + Site, |
| 70 | + on_delete=models.CASCADE, |
| 71 | + verbose_name=_('sites'), |
| 72 | + related_name='+', |
| 73 | + ) |
| 74 | + # Exactly the same as BasePage.path, |
| 75 | + # except that it is not unique: |
| 76 | + path = models.CharField( |
| 77 | + _('path'), |
| 78 | + max_length=1000, |
| 79 | + blank=True, |
| 80 | + help_text=_('Generated automatically if \'static path\' is unset.'), |
| 81 | + validators=[ |
| 82 | + RegexValidator( |
| 83 | + regex=r'^/(|.+/)$', |
| 84 | + message=_('Path must start and end with a slash (/).'), |
| 85 | + ), |
| 86 | + ], |
| 87 | + ) |
| 88 | + |
| 89 | + class Meta: |
| 90 | + abstract = True |
| 91 | + unique_together = (('site', 'path'),) |
| 92 | + verbose_name = _('page') |
| 93 | + verbose_name_plural = _('pages') |
| 94 | + |
| 95 | + def save(self, *args, **kwargs): |
| 96 | + if self.parent_id and self.parent.site: |
| 97 | + self.site = self.parent.site |
| 98 | + super().save(*args, **kwargs) |
| 99 | + save.alters_data = True |
| 100 | + |
| 101 | + ''' |
| 102 | + def get_absolute_url(self): |
| 103 | + """ |
| 104 | + Return the page's absolute URL using ``reverse()`` |
| 105 | +
|
| 106 | + If path is ``/``, reverses ``pages:root`` without any arguments, |
| 107 | + alternatively reverses ``pages:page`` with an argument of ``path``. |
| 108 | + Note that this ``path`` is not the same as ``self.path`` -- slashes |
| 109 | + are stripped from the beginning and the end of the string to make |
| 110 | + building an URLconf more straightforward. |
| 111 | + """ |
| 112 | + if self.path == '/': |
| 113 | + return reverse('pages:root') |
| 114 | + return reverse('pages:page', kwargs={ |
| 115 | + 'path': self.path.strip('/'), |
| 116 | + }) |
| 117 | + ''' |
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