split models into apps, new api interface

pandora/place/models.py

@@ -0,0 +1,66 @@
+# -*- coding: utf-8 -*-
+# vi:si:et:sw=4:sts=4:ts=4
+from __future__ import division, with_statement
+
+from django.db import models
+from django.db.models import Q
+from django.conf import settings
+
+from ox.django import fields
+
+import managers
+
+class Place(models.Model):
+    '''
+        Places are named locations, they should have geographical information attached to them.
+    '''
+
+    name = models.CharField(max_length=200, unique=True)
+    name_sort = models.CharField(max_length=200)
+    name_find = models.TextField(default='', editable=False)
+
+    geoname = models.CharField(max_length=1024, unique=True)
+    geoname_reverse = models.CharField(max_length=1024, unique=True)
+
+    wikipediaId = models.CharField(max_length=1000, blank=True)
+    aliases = fields.TupleField(default=[])
+
+    sw_lat = models.FloatField(default=0)
+    sw_lng = models.FloatField(default=0)
+    ne_lat = models.FloatField(default=0)
+    ne_lng = models.FloatField(default=0)
+    center_lat = models.FloatField(default=0)
+    center_lng = models.FloatField(default=0)
+    area = models.FloatField(default=-1)
+
+    objects = managers.PlaceManager()
+
+    class Meta:
+        ordering = ('name_sort', )
+
+    def __unicode__(self):
+        return self.name
+
+    def json(self):
+        j = {}
+        for key in ('name', 'name_sort', 'aliases', 'geoname', 'geoname_reversed',
+                    'sw_lat', 'sw_lng', 'ne_lat', 'ne_lng',
+                    'center_lat', 'center_lng'):
+            j[key] = getattr(self, key)
+
+    def save(self, *args, **kwargs):
+        if not self.name_sort:
+            self.name_sort = self.name
+        self.geoname_reverse = ', '.join(reversed(self.geoname.split(', ')))
+
+        self.name_find = '|%s|'%'|'.join([self.name] + self.aliases)
+
+        #update center
+        self.lat_center = ox.location.center(self.lat_sw, self.lat_ne)
+        self.lng_center = ox.location.center(self.lng_sw, self.lng_ne)
+
+        #update area
+        self.area = location.area(self.lat_sw, self.lng_sw, self.lat_ne, self.lng_ne)
+
+        super(Place, self).save(*args, **kwargs)
+