def markerwin(request,id):
"""
Generate marker window
"""
cache_key = "gogogo__stop_markerwin_%s" % id #Prefix of memecache key
cache = memcache.get(cache_key)
if cache == None:
stop = getCachedEntityOr404(Stop,key_name=id)
cache = {}
cache['stop'] = stop
trip_list = []
if stop['parent_station'] == None:
station_key = stop['instance'].key()
else:
#station_key = db.Key.from_path(Stop.kind(),stop['parent_station'])
#logging.info(station_key)
#parent_station = getCachedEntityOr404(Stop,key = station_key)
station_key = stop['instance'].parent_station.key()
cache['parent_station'] = createEntity(stop['instance'].parent_station)
q = Trip.all().filter("stop_list = " , station_key)
for row in q:
trip = createEntity(row)
trip['route_id'] = trip['instance'].route.key().id_or_name()
trip['agency_id'] = trip['instance'].route.agency.key().id_or_name()
trip_list.append(trip)
cache['trip_list'] = trip_list
memcache.add(cache_key, cache, _default_cache_time)
stop = trEntity(cache['stop'],request)
trip_list = [trEntity(trip,request) for trip in cache['trip_list'] ]
parent_station = None
if 'parent_station' in cache:
parent_station = trEntity(cache['parent_station'],request)
t = loader.get_template('gogogo/api/stop-markerwin.html')
c = Context(
{
'stop': stop,
'parent_station' : parent_station,
'trip_list' : trip_list
})
return HttpResponse(t.render(c))
def block(request):
if "prefix" not in request.GET:
return ApiResponse(error="Prefix missing")
prefix = request.GET['prefix']
if len(prefix) <= 4:
return ApiResponse(error="The query range is too large")
lang = MLStringProperty.get_current_lang(request)
cache_key = "gogogo_stop_block_%d_%s" % (lang,prefix)
cache = memcache.get(cache_key)
if cache == None:
query = Stop.all(keys_only=True).filter("geohash >=" , prefix ).filter("geohash <=" , prefix + 'zzzzzz')
result = []
for key in query:
entity = getCachedEntityOr404(Stop,key = key)
entity = trEntity(entity,request)
del entity['instance']
del entity['geohash']
result.append(entity)
cache = {}
cache['result'] = result
memcache.add(cache_key, cache, _default_cache_time)
result = cache['result']
return ApiResponse(data=result)
def mget(request):
"""
Get multiple entities in an ajax call
"""
if "ids" not in request.GET:
return ApiResponse(error="ids")
ids = request.GET['ids']
items = ids.split(",")
result = []
for id in items:
try:
entity = getCachedEntityOr404(Stop,id_or_name = id)
entity = trEntity(entity,request)
del entity['geohash']
del entity['instance']
result.append(entity)
except Http404:
pass
return ApiResponse(data=result)
def _get(id,request):
"""
Get a trip entity
"""
entity = getCachedEntityOr404(Trip,id_or_name = id)
entity = trEntity(entity,request)
del entity['instance']
if entity["route"]:
if isinstance(entity["route"],db.Key):
route = getCachedEntityOr404(Route,key = entity["route"])
else:
route = getCachedEntityOr404(Route,id_or_name = entity["route"])
route = trEntity(route,request)
entity['color'] = route["color"]
entity['name'] = route["long_name"]
return entity
def get(request):
if "id" not in request.GET:
return ApiResponse(error="ID missing")
id = request.GET['id']
try:
entity = getCachedEntityOr404(Agency,id_or_name = id)
entity = trEntity(entity,request)
del entity['instance']
return ApiResponse(data=entity)
except Http404:
return ApiResponse(error="Agency not found")
def search(request,lat0,lng0,lat1,lng1):
"""
Search stop (api/stop/search)
Deprecated
"""
lat0 = float(lat0)
lng0 = float(lng0)
lat1 = float(lat1)
lng1 = float(lng1)
sw = LatLng(lat0,lng0)
ne = LatLng(lat1,lng1)
bounds = LatLngBounds(sw,ne)
#TODO: Check the distance. Prevent to dump the database that will spend too much bandwidth
hash0 = str(Geohash( (sw.lng,sw.lat) ))
hash1 = str(Geohash( (ne.lng,ne.lat) ))
lang = MLStringProperty.get_current_lang(request)
cache_key = "gogogo_stop_search_%d_%s_%s" % (lang,hash0,hash1)
cache = memcache.get(cache_key)
if cache == None:
result = []
query = Stop.all().filter("geohash >=" , hash0).filter("geohash <=" , hash1)
for stop in query:
pt = latlngFromGeoPt(stop.latlng)
if bounds.containsLatLng(pt):
entity = createEntity(stop)
entity = trEntity(entity,request)
del entity['instance']
del entity['geohash']
result.append(entity)
cache = {}
cache['result'] = result
memcache.add(cache_key, cache, _default_cache_time)
result = cache['result']
return ApiResponse(data=result)
