def fetch_messages(request):
if request.method == "POST":
output = {}
required_params = [
'device_id',
'longitude',
'latitude',
'worldlayer_id',
'page',
'timestamp',
'secret',
]
print request.POST
# all parameters must be sent
for param in required_params:
if param not in request.POST.keys():
output['success'] = False
output['alert'] = "missing parameters"
return HttpResponse(simplejson.dumps(output), 'application/json')
# device id must be non-empty
if request.POST['device_id'] == "":
output['success'] = False
output['alert'] = "empty device id"
return HttpResponse(simplejson.dumps(output), 'application/json')
# authorize secret
if _auth_secret([
request.POST['device_id'],
request.POST['longitude'],
request.POST['latitude'],
request.POST['timestamp']], request.POST['secret']) == False:
output['success'] = False
output['alert'] = "malformed request"
return HttpResponse(simplejson.dumps(output), 'application/json')
# client must exist in system and be registered
try:
client = Client.objects.get(device_id=request.POST['device_id'])
except:
output['success'] = False
output['alert'] = "unknown client"
return HttpResponse(simplejson.dumps(output), 'application/json')
# make sure worldlayer exists
try:
worldlayer = WorldLayer.objects.get(id=request.POST['worldlayer_id'])
except:
output['success'] = False
output['alert'] = "unknown world layer"
return HttpResponse(simplejson.dumps(output), 'application/json')
try:
latitude = float(request.POST['latitude'])
longitude = float(request.POST['longitude'])
except:
output['success'] = False
output['alert'] = "malformed long/lat"
return HttpResponse(simplejson.dumps(output), 'application/json')
lat_low_range = latitude - TOTEMS_MAX_FETCH_RANGE_LATITUDE
long_low_range = longitude - TOTEMS_MAX_FETCH_RANGE_LONGITUDE
lat_high_range = latitude + TOTEMS_MAX_FETCH_RANGE_LATITUDE
long_high_range = longitude + TOTEMS_MAX_FETCH_RANGE_LONGITUDE
messages = TotemMessage.objects.filter(
totem__longitude__range=(long_low_range,long_high_range),
totem__latitude__range=(lat_low_range,lat_high_range),
totem__active=True,
).order_by('-created')[
(int(request.POST['page'])*MAX_MESSAGES_PER_PAGE):
((int(request.POST['page'])*MAX_MESSAGES_PER_PAGE)+MAX_MESSAGES_PER_PAGE)
]
output['messages'] = []
for message in messages:
distance = lat_long_distance((latitude,longitude),(message.totem.latitude,message.totem.longitude))*1000
distance = "%.2f" % distance
caller_owns = (message.owner.device_id == request.POST['device_id'])
is_parent_totem_message = (message.parent_message == None)
timestamp = time.mktime(message.created.timetuple())
# SET REPLY NOTIFICATIONS AS READ
#if message.parent_message.owner == client:
#message.view_reply_notification_replies()
if message.active == True:
message_text = message.message
else:
message_text = ""
output['messages'].append({
'id':message.id,
'message':message_text,
'message_count':message.totem.get_message_count(),
'created':str(message.created),
'created_pretty':pretty_date(int(timestamp)),
'distance':distance,
'is_owner':caller_owns,
'is_totem_head':is_parent_totem_message,
'totem_id':message.totem.id,
'num_replies':message.get_num_replies(),
'active':message.active,
})
output['total'] = len(output['messages'])
# REPLY NOTIFICATIONS
output['new_reply_notifications'] = []
output['show_notification_alert'] = False
notifications = TotemMessage.get_all_unread_reply_notifications_for_client(client)
for notification in notifications:
notification.view_reply_notification()
output['new_reply_notifications'].append({'id':notification.id,'longitude':notification.totem.longitude,'latitude':notification.totem.latitude})
output['show_notification_alert'] = True
output['success'] = True
print output
RequestLog.add_request_log(client,longitude,latitude)
client.save()
return HttpResponse(simplejson.dumps(output), 'application/json')
else:
raise Http404
def fetch_totems(request):
if request.method == "POST":
output = {}
required_params = [
'device_id',
'longitude',
'latitude',
'worldlayer_id',
'timestamp',
'secret',
]
# all parameters must be sent
for param in required_params:
if param not in request.POST.keys():
output['success'] = False
output['alert'] = "missing parameters"
return HttpResponse(simplejson.dumps(output), 'application/json')
# device id must be non-empty
if request.POST['device_id'] == "":
output['success'] = False
output['alert'] = "empty device id"
return HttpResponse(simplejson.dumps(output), 'application/json')
# authorize secret
if _auth_secret([
request.POST['device_id'],
request.POST['longitude'],
request.POST['latitude'],
request.POST['timestamp']], request.POST['secret']) == False:
output['success'] = False
output['alert'] = "malformed request"
return HttpResponse(simplejson.dumps(output), 'application/json')
# client must exist in system and be registered
try:
client = Client.objects.get(device_id=request.POST['device_id'])
except:
output['success'] = False
output['alert'] = "unknown client"
return HttpResponse(simplejson.dumps(output), 'application/json')
# make sure worldlayer exists
try:
worldlayer = WorldLayer.objects.get(id=request.POST['worldlayer_id'])
except:
output['success'] = False
output['alert'] = "unknown world layer"
return HttpResponse(simplejson.dumps(output), 'application/json')
try:
latitude = float(request.POST['latitude'])
longitude = float(request.POST['longitude'])
except:
output['success'] = False
output['alert'] = "malformed long/lat"
return HttpResponse(simplejson.dumps(output), 'application/json')
lat_low_range = latitude - TOTEMS_MAX_FETCH_RANGE_LATITUDE
long_low_range = longitude - TOTEMS_MAX_FETCH_RANGE_LONGITUDE
lat_high_range = latitude + TOTEMS_MAX_FETCH_RANGE_LATITUDE
long_high_range = longitude + TOTEMS_MAX_FETCH_RANGE_LONGITUDE
totems = Totem.objects.filter(
longitude__range=(long_low_range,long_high_range),
latitude__range=(lat_low_range,lat_high_range),
active=True,
)
output['totems'] = []
for totem in totems:
distance = lat_long_distance((latitude,longitude),(totem.latitude,totem.longitude))*1000
distance = "%.2f" % distance
caller_owns = (totem.owner.device_id == request.POST['device_id'])
timestamp_created = time.mktime(totem.created.timetuple())
timestamp_last_activity = time.mktime(totem.last_activity.timetuple())
parent_message = totem.get_parent_message()
# don't pass content of inactive messages
if parent_message.active == True:
message_text = parent_message.message
else:
message_text = ""
output['totems'].append({
'id':totem.id,
'message':message_text,
'message_count':totem.get_message_count(),
'last_activity':str(totem.last_activity),
'created':str(totem.created),
'last_activity_pretty':pretty_date(int(timestamp_last_activity)),
'created_pretty':pretty_date(int(timestamp_created)),
'distance':distance,
'is_owner':caller_owns,
'longitude':totem.longitude,
'latitude':totem.latitude,
})
output['total'] = len(output['totems'])
# REPLY NOTIFICATIONS
output['new_reply_notifications'] = []
output['show_notification_alert'] = False
notifications = TotemMessage.get_all_unread_reply_notifications_for_client(client)
for notification in notifications:
notification.view_reply_notification()
output['new_reply_notifications'].append({'id':notification.id,'longitude':notification.totem.longitude,'latitude':notification.totem.latitude})
output['show_notification_alert'] = True
output['success'] = True
RequestLog.add_request_log(client,longitude,latitude)
client.save()
print output
return HttpResponse(simplejson.dumps(output), 'application/json')
else:
raise Http404