From 5de423d5a0b3201c1e396275d9eed5412482294b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Laura=20Kl=C3=BCnder?= <laura@codingcatgirl.de>
Date: Thu, 4 May 2017 12:24:28 +0200
Subject: [PATCH] remove LevelConnector

---
 .../migrations/0044_auto_20170504_1023.py     | 22 +++++++++++++++++++
 src/c3nav/mapdata/models/geometry.py          | 18 ---------------
 src/c3nav/routing/graph.py                    |  2 +-
 3 files changed, 23 insertions(+), 19 deletions(-)
 create mode 100644 src/c3nav/mapdata/migrations/0044_auto_20170504_1023.py

diff --git a/src/c3nav/mapdata/migrations/0044_auto_20170504_1023.py b/src/c3nav/mapdata/migrations/0044_auto_20170504_1023.py
new file mode 100644
index 00000000..b22648e7
--- /dev/null
+++ b/src/c3nav/mapdata/migrations/0044_auto_20170504_1023.py
@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.4 on 2017-05-04 10:23
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mapdata', '0043_auto_20170504_1010'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='levelconnector',
+            name='levels',
+        ),
+        migrations.DeleteModel(
+            name='LevelConnector',
+        ),
+    ]
diff --git a/src/c3nav/mapdata/models/geometry.py b/src/c3nav/mapdata/models/geometry.py
index f79d6b9c..0e0d3bb3 100644
--- a/src/c3nav/mapdata/models/geometry.py
+++ b/src/c3nav/mapdata/models/geometry.py
@@ -235,24 +235,6 @@ class LineObstacle(GeometryMapItemWithLevel):
         return result
 
 
-class LevelConnector(GeometryMapItem):
-    """
-    A connector connecting levels
-    """
-    geomtype = 'polygon'
-    levels = models.ManyToManyField('mapdata.Level', verbose_name=_('levels'))
-
-    class Meta:
-        verbose_name = _('Level Connector')
-        verbose_name_plural = _('Level Connectors')
-        default_related_name = 'levelconnectors'
-
-    def get_geojson_properties(self):
-        result = super().get_geojson_properties()
-        result['levels'] = tuple(self.levels.all().order_by('name').values_list('name', flat=True))
-        return result
-
-
 class Door(GeometryMapItemWithLevel):
     """
     A connection between two rooms
diff --git a/src/c3nav/routing/graph.py b/src/c3nav/routing/graph.py
index 0fd3a2f4..284b32f4 100644
--- a/src/c3nav/routing/graph.py
+++ b/src/c3nav/routing/graph.py
@@ -9,7 +9,6 @@ from scipy.sparse.csgraph._shortest_path import shortest_path
 from scipy.sparse.csgraph._tools import csgraph_from_dense
 
 from c3nav.mapdata.models import Elevator, Level
-from c3nav.mapdata.models.geometry import LevelConnector
 from c3nav.mapdata.models.locations import AreaLocation, Location, LocationGroup, PointLocation
 from c3nav.routing.connection import GraphConnection
 from c3nav.routing.exceptions import AlreadyThere, NoRouteFound, NotYetRoutable
@@ -90,6 +89,7 @@ class Graph:
         self._built_elevatorlevel_points[elevatorlevel.name] = point
 
     def connect_levelconnectors(self):
+        from c3nav.mapdata.models.geometry import LevelConnector
         for levelconnector in LevelConnector.objects.all():
             center = levelconnector.geometry.centroid
             points = self._built_levelconnector_points.get(levelconnector.name, [])