add models.py to mapdata which should replace classes.py soon

src/c3nav/mapdata/models.py

@@ -0,0 +1,42 @@
+from django.contrib.gis.db import models
+from django.utils.translation import ugettext_lazy as _
+
+from parler.models import TranslatedFields
+
+from ..models import TranslatableGeoModel
+
+
+class MapPackage(TranslatableGeoModel):
+    """
+    A c3nav map package
+    """
+    name = models.CharField(_('package identifier'), max_length=50, help_text=_('e.g. de.c3nav.33c3')),
+    width = models.IntegerField(_('map width'), max_length=50, null=True, help_text='in meters'),
+    height = models.IntegerField(_('map height'), max_length=50, null=True, help_text='in meters'),
+    extends = models.ForeignKey('self', on_delete=models.PROTECT, null=True, related_name='extended_by',
+                                verbose_name=_('extends map package'))
+
+    translations = TranslatedFields(
+        title=models.CharField(_('package title'), max_length=50),
+    )
+
+
+class MapLevel(TranslatableGeoModel):
+    """
+    A map level (-1, 0, 1, 2…)
+    """
+    name = models.CharField(_('level name'), max_length=50, help_text=_('Usually just an integer (e.g. -1, 0, 1, 2)')),
+    package = models.ForeignKey('MapPackage', on_delete=models.PROTECT, related_name='levels',
+                                verbose_name=_('map package'))
+
+
+class MapSource(TranslatableGeoModel):
+    """
+    A map source, images of levels that can be useful as backgrounds for the map editor
+    """
+    name = models.SlugField(_('source name'), max_length=50, unique=True),
+    package = models.ForeignKey('MapPackage', on_delete=models.PROTECT, related_name='sources',
+                                verbose_name=_('map package'))
+    image = models.FileField(_('source image'), upload_to='mapsources/')
+    bottom_left = models.PointField(_('bottom left coordinates'))
+    top_right = models.PointField(_('bottom left coordinates'))