add missing files

aircox_web/plugins/__init__.py

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+from django.db import models
+from django.utils.translation import ugettext_lazy as _
+from django.utils.html import escape, format_html, mark_safe
+from django.urls import reverse
+
+from .image import ImageBase, Image
+from .richtext import RichText
+
+
+__all__ = ['ImageBase', 'Image', 'RichText']
+
+
+class Link(models.Model):
+    url = models.CharField(
+        _('url'), max_length=128, null=True, blank=True,
+    )
+    page = models.ForeignKey(
+        'Page', models.SET_NULL, null=True, blank=True,
+        verbose_name=_('Link to a page')
+    )
+    text = models.CharField(_('text'), max_length=64, null=True, blank=True)
+    info = models.CharField(_('info'), max_length=128, null=True, blank=True,
+                            help_text=_('link description displayed as tooltip'))
+    blank = models.BooleanField(_('new window'), default=False,
+                                help_text=_('open in a new window'))
+    css_class=""
+
+    def get_url(self):
+        if self.page:
+            return self.page.path #reverse('page', args=[self.page.path])
+        return self.url or ''
+
+    def render(self):
+        # FIXME: quote
+        return format_html(
+            '<a href="{}" title="{}"{}>{}</a>',
+            self.get_url(), escape(self.info),
+            ' class=' + escape(self.css_class) + ''
+            if self.css_class else '',
+            self.text or (self.page and self.page.title) or '',
+        )
+
+    class Meta:
+        abstract = True
+
+
+class Search(models.Model):
+    class Meta:
+        abstract = True
+
+

aircox_web/plugins/image.py

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+from django.db import models
+from django.templatetags.static import static
+from django.utils.translation import ugettext_lazy as _
+from django.utils.html import format_html, mark_safe
+
+from easy_thumbnails.files import get_thumbnailer
+from filer.fields.image import FilerImageField
+
+__all__ = ['ImageBase', 'Image']
+
+
+class ImageBase(models.Model):
+    image = FilerImageField(
+        on_delete=models.CASCADE,
+        verbose_name=_('image'),
+    )
+    width = None
+    height = None
+    crop = False
+
+    class Meta:
+        abstract = True
+
+    @property
+    def thumbnail(self):
+        if self.width == None and self.height == None:
+            return self.image
+        opts = {}
+        if self.crop:
+            opts['crop'] = 'smart'
+        opts['size'] = (self.width or 0, self.height or 0)
+        thumbnailer = get_thumbnailer(self.image)
+        return thumbnailer.get_thumbnail(opts)
+
+    def render(self):
+        return format_html('<img src="{}" alt=""/>', self.thumbnail.url)
+
+
+class Image(ImageBase):
+    width = models.PositiveSmallIntegerField(blank=True,null=True)
+    height = models.PositiveSmallIntegerField(blank=True,null=True)
+    crop = models.BooleanField(default=False)
+
+    class Meta:
+        abstract = True
+
+

aircox_web/plugins/timetable.py

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+import datetime
+
+from django.db import models
+from django.templatetags.static import static
+from django.utils.translation import ugettext_lazy as _
+
+from aircox import models as aircox
+from aircox_web.fields import PositiveSmallMinMaxField
+
+
+class Timetable(models.Model):
+    station = models.ForeignKey(
+        aircox.Station, models.CASCADE, verbose_name=_('station'),
+    )
+    days_before = models.PositiveSmallMinMaxField(
+        _('days before'), min=0, max=6,
+        help_text=_('Count of days displayed current date'),
+    )
+    days_after = models.PositiveSmallMinMaxField(
+        _('days after'), min=0, max=6,
+        help_text=_('Count of days displayed current date'),
+    )
+
+    def get_queryset(self, date=None):
+        date = date if date is not None else datetime.date.today()
+        qs = aircox.Diffusion.objects.station(self.station)
+        if self.days_before is None and self.days_after is None:
+            return qs.at(date)
+
+        start = date - datetime.timedelta(days=self.days_before) \
+            if self.days_before else date
+        stop = date + datetime.timedelta(days=self.days_after) \
+            if self.days_after else date
+        return aircox.Diffusion.objects.station(self.station) \
+                     .after(start).before(stop)
+
+