54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
from collections import OrderedDict
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from django.db import models
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from django.db.models.base import ModelBase
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from django.utils.translation import ugettext_lazy as _
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from c3nav.mapdata.lastupdate import set_last_mapdata_update
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MAPITEM_TYPES = OrderedDict()
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class MapItemMeta(ModelBase):
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def __new__(mcs, name, bases, attrs):
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cls = super().__new__(mcs, name, bases, attrs)
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if not cls._meta.abstract and name != 'Source':
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MAPITEM_TYPES[name.lower()] = cls
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return cls
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class MapItem(models.Model, metaclass=MapItemMeta):
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name = models.SlugField(_('Name'), unique=True, max_length=50)
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package = models.ForeignKey('mapdata.Package', on_delete=models.CASCADE, verbose_name=_('map package'))
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EditorForm = None
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@classmethod
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def get_path_prefix(cls):
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return cls._meta.default_related_name + '/'
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@classmethod
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def get_path_regex(cls):
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return r'^' + cls.get_path_prefix()
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def get_filename(self):
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return self._meta.default_related_name + '/' + self.name + '.json'
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@classmethod
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def fromfile(cls, data, file_path):
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kwargs = {}
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return kwargs
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def tofile(self):
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return OrderedDict()
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def save(self, *args, **kwargs):
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with set_last_mapdata_update():
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super().save(*args, **kwargs)
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def delete(self, *args, **kwargs):
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with set_last_mapdata_update():
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super().delete(*args, **kwargs)
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class Meta:
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abstract = True
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