Mercurial > public > sg101

annotate bandmap/admin.py @ 838:f31168465953

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Bandmap: make lat/lon editable for tweaking location markers. Don't cache band results in debug mode.
author Brian Neal <bgneal@gmail.com>
date Sat, 04 Oct 2014 16:40:17 -0500
parents 89a3a6433f6f
children 09ed84a7394c
rev   line source
bgneal@820 1 """Admin definitions for the bandmap application.
bgneal@820 2
bgneal@820 3 """
bgneal@823 4 import datetime
bgneal@826 5 import json
bgneal@826 6 import urllib
bgneal@826 7 import urllib2
bgneal@823 8
bgneal@820 9 from django.contrib import admin
bgneal@826 10 import django.contrib.messages as messages
bgneal@820 11
bgneal@820 12 from bandmap.models import BandEntry
bgneal@823 13 import bio.badges
bgneal@820 14
bgneal@820 15
bgneal@820 16 class BandEntryAdmin(admin.ModelAdmin):
bgneal@834 17 list_display = ['name', 'date_submitted', 'location', 'lat', 'lon',
bgneal@834 18 'is_active', 'is_approved']
bgneal@820 19 date_hierarchy = 'date_submitted'
bgneal@820 20 list_filter = ['date_submitted', 'is_active', 'is_approved']
bgneal@838 21 list_editable = ['lat', 'lon']
bgneal@820 22 search_fields = ['name', 'location', 'note']
bgneal@820 23 raw_id_fields = ['user']
bgneal@827 24 actions = ['update_location', 'approve_bands']
bgneal@823 25
bgneal@823 26 def approve_bands(self, request, qs):
bgneal@823 27 """This admin action awards a map pin to the user who added the band.
bgneal@823 28 The band is then published and will be available for display on the map.
bgneal@823 29
bgneal@823 30 """
bgneal@823 31 count = qs.count()
bgneal@823 32 now = datetime.datetime.now()
bgneal@823 33 for band in qs:
bgneal@827 34 if not band.is_approved:
bgneal@827 35 if band.date_approved is None:
bgneal@827 36 bio.badges.award_badge(bio.badges.MAP_PIN, band.user)
bgneal@827 37 band.date_approved = now
bgneal@827 38 band.is_approved = True
bgneal@827 39 band.save()
bgneal@823 40
bgneal@823 41 self.message_user(request, "%d band(s) approved." % count)
bgneal@823 42
bgneal@823 43 approve_bands.short_description = "Approve selected band map entries"
bgneal@823 44
bgneal@826 45 def update_location(self, request, qs):
bgneal@826 46 """Admin action to refresh the lat/lon fields after updating the
bgneal@826 47 location field. Queries the Google Maps HTTP server-side API for the
bgneal@826 48 data.
bgneal@826 49
bgneal@826 50 """
bgneal@826 51 base_url = "http://maps.googleapis.com/maps/api/geocode/json?address=%s"
bgneal@826 52 ok_cnt = 0
bgneal@826 53 for band in qs:
bgneal@826 54 url = base_url % urllib.quote_plus(band.location)
bgneal@826 55 try:
bgneal@826 56 response = urllib2.urlopen(url)
bgneal@826 57 except urllib2.URLError as ex:
bgneal@826 58 self.message_user(request, 'Error processing {}: {}'.format(
bgneal@826 59 band.name, ex), level=messages.ERROR)
bgneal@826 60 continue
bgneal@826 61
bgneal@826 62 code = response.getcode()
bgneal@826 63 if code == 200:
bgneal@826 64 result = json.loads(response.read())
bgneal@826 65 try:
bgneal@826 66 loc = result['results'][0]['geometry']['location']
bgneal@826 67 band.lat = loc['lat']
bgneal@826 68 band.lon = loc['lng']
bgneal@826 69 except (KeyError, IndexError) as ex:
bgneal@826 70 self.message_user(request, 'Unexpected response for {}'.format(
bgneal@826 71 band.name), level=messages.ERROR)
bgneal@826 72 else:
bgneal@826 73 band.save()
bgneal@826 74 ok_cnt += 1
bgneal@826 75 else:
bgneal@826 76 msg = "Error response ({}) for band {}".format(code, band.name)
bgneal@826 77 self.message_user(request, msg, level=messages.ERROR)
bgneal@826 78
bgneal@826 79 if ok_cnt > 0:
bgneal@826 80 msg = '{} band location(s) successfully updated'.format(ok_cnt)
bgneal@826 81 self.message_user(request, msg)
bgneal@826 82
bgneal@826 83 update_location.short_description = "Update lat/lon for selected band map entries"
bgneal@826 84
bgneal@820 85
bgneal@820 86 admin.site.register(BandEntry, BandEntryAdmin)