website/www/conservancy/apps/worldmap/models.py

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from builtins import object
from django.db import models
class EarthLocation(models.Model):
"""Represents latitude and longitude, with a label"""
label = models.CharField(max_length=300, unique=True)
latitude = models.DecimalField(max_digits=9, decimal_places=6)
longitude = models.DecimalField(max_digits=9, decimal_places=6)
date_created = models.DateTimeField(auto_now_add=True)
date_last_modified = models.DateTimeField(auto_now=True)
class Meta(object):
unique_together = (("latitude", "longitude"),)
def __str__(self):
return self.label
def google_maps_link(self):
return ("http://maps.google.com/maps?ll=%s,%s&z=15"
% (self.latitude, self.longitude))
default_map_link = google_maps_link
def html_map_link(self): # for Admin, fixme: fix_ampersands
return '<a href="%s">map link</a>' % self.default_map_link()
html_map_link.allow_tags = True