def display_matching_trips(request, trip_id=None, lib=None):
"""Make a request to the BV server to find matching trips. Format the
output to be read by javascript clientside code.
"""
def to_json(trip):
return [get_trip_dict(t) for t in trips]
trip_search_type = int(request.POST['trip_type'])
results = lib.search_trip(trip_id=trip_id, **unicode_to_dict(request.POST))
trip_demands = results['trip_demands']
trip_offers = results['trip_offers']
trip = results['trip']
if trip_search_type == TRIP_OFFER:
trips = trip_demands
else:
trips = trip_offers
response_dict = {
'authenticated': is_bvoauth_authenticated(request),
}
if not trip_id:
response_dict['trips'] = to_json(trips)
else:
response_dict['trip_demands'] = to_json(trip_demands)
response_dict['trip_offers'] = to_json(trip_offers)
resp = HttpResponse()
simplejson.dump(response_dict , resp, ensure_ascii=False, separators=(',',':'))
return resp
def calculate_buffer(request, lib):
response_dict = lib.calculate_buffer(
unicode_to_dict(dict(request.REQUEST.items())))
resp = HttpResponse()
simplejson.dump(response_dict,
resp, ensure_ascii=False, separators=(',',':'))
return resp
def ogcserver(request, lib):
return HttpResponse(lib.ogcserver(
unicode_to_dict(dict(request.REQUEST.items()))), content_type="image/png")
def create_trip(request, trip_id=None, trip_from_search=False, lib=None):
"""Creates/Edit a trip.
If informations provided in request.POST, try to send them throught the API,
and display eventual errors or redirect to the search view.
If no informations provided in request.POST, just display the create trip
form.
"""
userlib = LibUsers(**lib.get_params())
userprofiledata = userlib.get_active_user().to_dict()
cartypes = [(c.id, c.name) for c in lib.get_cartypes()]
if request.method == 'POST':
if trip_id:
#edition of an existing trip.
trip = lib.get_trip(trip_id)
form = EditTripForm(data=request.POST)
form_offer = EditTripOfferOptionsForm(data=request.POST,
prefix="offer", cartype_choices=cartypes)
form_demand = EditTripDemandOptionsForm(data=request.POST,
prefix="demand", cartype_choices=cartypes)
else:
# creation of a new trip.
form = EditTripForm(data=request.POST)
form_offer = EditTripOfferOptionsForm(prefix="offer",
cartype_choices=cartypes,
initial=userprofiledata,
)
form_demand = EditTripDemandOptionsForm(prefix="demand",
cartype_choices =cartypes,
initial=userprofiledata,
)
trip_type = int(request.POST['trip_type'])
if trip_type == TRIP_OFFER or trip_type == TRIP_BOTH:
form_offer = EditTripOfferOptionsForm(
prefix="offer",
data=request.POST,
cartype_choices=cartypes
)
if trip_type == TRIP_DEMAND or trip_type == TRIP_BOTH:
form_demand = EditTripDemandOptionsForm(
prefix="demand",
data=request.POST,
cartype_choices=cartypes
)
error = False
if form.is_valid() and not trip_from_search:
trip_type = int(form['trip_type'].data)
if trip_type != TRIP_DEMAND :
if not form_offer.is_valid():
error = True
if trip_type != TRIP_OFFER:
if not form_demand.is_valid():
error = True
if error == False:
finaldict = {}
for f in (form, form_offer, form_demand):
if hasattr(f, 'cleaned_data'):
for key,value in f.cleaned_data.items():
finaldict.setdefault(key, value)
if trip_id:
lib.edit_trip(trip_id=trip_id, **unicode_to_dict(dict(request.POST.items())))
else:
trip = lib.add_trip(**unicode_to_dict(dict(request.POST.items())))
if request.POST['return_trip'] == 'true':
return redirect(reverse('trips:create_return_trip', args=[trip.id]))
else:
return redirect(reverse('trips:show_results', args=[trip.id]))
else:
if trip_id:
#edition of an existing trip.
trip = lib.get_trip(trip_id)
form = EditTripForm(initial=trip)
offer_initial = getattr(trip, 'offer',None)
demand_initial = getattr(trip, 'demand', None)
form_offer = EditTripOfferOptionsForm(initial=offer_initial,
prefix="offer", cartype_choices=cartypes)
form_demand = EditTripDemandOptionsForm(initial=demand_initial,
prefix="demand", cartype_choices=cartypes)
else:
form = EditTripForm()
form_offer = EditTripOfferOptionsForm(
initial=userprofiledata,
prefix="offer",
cartype_choices=cartypes
)
form_demand = EditTripDemandOptionsForm(
initial=userprofiledata,
prefix="demand",
cartype_choices=cartypes
)
view_dict = {
'form':form,
'trip_from_search': trip_from_search,
'form_offer_options': form_offer,
'form_demand_options': form_demand,
'default_zoom': settings.DEFAULT_MAP_CENTER_ZOOM,
'default_center': settings.DEFAULT_MAP_CENTER_POINT,
'is_trip': True,
'gmapkey': settings.GOOGLE_MAPS_API_KEY,
}
if trip_id:
view_dict['trip'] = trip
return render_to_response('add_trip.html', view_dict, context_instance=RequestContext(request))