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 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")
cache_key = "gogogo_cluster_block_%s" % (prefix)
cache = memcache.get(cache_key)
if cache == None:
query = Cluster.all(keys_only=True).filter("geohash >=" , prefix ).filter("geohash <=" , prefix + 'zzzzzz')
result = []
for key in query:
entity = getCachedEntityOr404(Cluster,key = key)
del entity['instance']
del entity['geohash']
entity['radius'] = "%0.3f" % entity['radius']
result.append(entity)
cache = {}
cache['result'] = result
memcache.add(cache_key, cache, _default_cache_time)
result = cache['result']
return ApiResponse(data=result)
def list(request):
"""
List all agency
"""
lang = MLStringProperty.get_current_lang(request)
cache_key = "gogogo_db_agency_list_%d" % lang
cache = memcache.get(cache_key)
if cache == None:
query = Agency.all(keys_only=True)
result = []
for key in query:
entity = getCachedEntityOr404(Agency,key = key)
result.append(trEntity(entity,request))
cache = {}
cache['result'] = result
memcache.add(cache_key, cache, _default_cache_time)
agency_list = cache['result']
t = loader.get_template('gogogo/db/agency/list.html')
c = RequestContext(
request,
{
'page_title': _("Agency List"),
'agency_list' : agency_list
})
return HttpResponse(t.render(c))
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 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 stop(request, stop_id):
"""
Browse stop information
"""
entity = getCachedEntityOr404(Stop, id_or_name=stop_id)
entity = trEntity(entity, request)
pathbar = Pathbar(stop=entity)
parent = None
if "parent_station" in entity and entity["parent_station"] != None:
parent = getCachedEntityOr404(Stop, id_or_name=entity["parent_station"].id_or_name())
parent = trEntity(parent, request)
t = loader.get_template("gogogo/transit/stop.html")
c = RequestContext(
request,
{"page_title": entity["name"], "pathbar": pathbar, "parent": parent, "stop_kind": "stop", "stop": entity},
)
return HttpResponse(t.render(c))
def search(request,lat0,lng0,lat1,lng1):
"""
Cluster searching
Deprecated
"""
lat0 = float(lat0)
lng0 = float(lng0)
lat1 = float(lat1)
lng1 = float(lng1)
if lat0 < lat1:
minlat = lat0
maxlat = lat1
else:
minlat = lat1
maxlat = lat0
if lng0 < lng1:
minlng = lng0
maxlng = lng1
else:
minlng = lng1
maxlng = lng0
#TODO: Check the distance. Prevent to dump the database that will spend too much bandwidth
hash0 = str(Geohash( (minlng,minlat) ))
hash1 = str(Geohash( (maxlng,maxlat) ))
cache_key = "gogogo_cluster_search_%s_%s" % (hash0,hash1)
cache = memcache.get(cache_key)
if cache == None:
query = Cluster.all(keys_only=True).filter("geohash >=" , hash0).filter("geohash <=" , hash1)
result = []
for key in query:
entity = getCachedEntityOr404(Cluster,id_or_name = key.id_or_name())
del entity['instance']
del entity['geohash']
entity['radius'] = "%0.3f" % entity['radius']
result.append(entity)
cache = {}
cache['result'] = result
memcache.add(cache_key, cache, _default_cache_time)
result = cache['result']
return ApiResponse(data=result)
def get(request):
if "id" not in request.GET:
return ApiResponse(error="ID missing")
id = request.GET['id']
try:
entity = getCachedEntityOr404(Cluster,id_or_name = id)
del entity['instance']
return ApiResponse(data=entity)
except Http404:
return ApiResponse(error="Cluster not found")
def get(request):
if "id" not in request.GET:
return ApiResponse(error="ID missing")
id = request.GET['id']
try:
entity = getCachedEntityOr404(Stop,id_or_name = id)
entity = trEntity(entity,request)
del entity['instance']
del entity['geohash']
return ApiResponse(data=entity)
except Http404:
return ApiResponse(error="Stop not found")
def browse(request,id):
"""
Browse the information of a shape
"""
entity = getCachedEntityOr404(Shape,id_or_name = id)
t = loader.get_template('gogogo/db/shape/browse.html')
c = RequestContext(
request,
{
'page_title': entity['id'] ,
'shape' : entity
})
return HttpResponse(t.render(c))
def browse(request,id):
"""
Browse the information of an agency
"""
agency = getCachedEntityOr404(Agency,id_or_name=id)
t = loader.get_template('gogogo/db/agency/browse.html')
c = RequestContext(
request,
{
'page_title': agency['name'] ,
'agency' : agency
})
return HttpResponse(t.render(c))
def browse(request, id):
"""
Browse a changelog
"""
entity = getCachedEntityOr404(Changelog, id_or_name=id)
# entity['id'] = int(id)
d = simplejson.loads(entity["changes"])
entity["old_rev"] = d[0]["old"]
entity["new_rev"] = d[0]["new"]
return render_to_response(
request,
"gogogo/db/changelog/browse.html",
{"changelog": entity, "reference_link": entity["instance"].reference.get_absolute_url()},
)
