def item_show_action(request, id):
context = {}
items = Item.objects.filter(pk=id)
if len(items) == 0:
return render(request, 'items/item_404.html', context)
item = items[0]
context['item'] = Item.serialize_one(item, request.user)
return render(request, 'items/item_show.html', context)
def filter_item_listing_action(request):
def default_response(profile):
items = Item.objects.exclude(seller=profile)
item_list = Item.serialize_many(items, request.user)
return JsonResponse(item_list)
own_profile = Profile.objects.get(user=request.user)
if request.method != 'GET':
print("Only processing get requests.")
return default_response(own_profile)
query_json = request.GET.get('query_labels')
if query_json is None:
print("No query labels were given.")
return default_response(own_profile)
lat = request.GET.get('user_lat')
lng = request.GET.get('user_lng')
if lat is None or lng is None:
print("No location given.")
return default_response(own_profile)
try:
lat = float(lat)
lng = float(lng)
except:
print("Query location not numbers.")
return default_response(own_profile)
# check if any labels are invalid
query_labels = json.loads(query_json)
tmp = validate_query_labels(query_labels)
if tmp is None:
return default_response(own_profile)
(distance, values) = tmp
# no labels selected, need to select all items first
items = Item.objects.exclude(seller=own_profile)
if len(values) > 0:
for value in values:
items = items.filter(labels__in=[value])
# calculate items that are within the distance
if not (distance is None) and not (lat is None) and not (lng is None):
items = [item for item in items if item_haversine(item, lat, lng)]
item_list = Item.serialize_many(items, request.user)
return JsonResponse(item_list)
def item_interest_action(request, item_id):
item = Item.objects.get(pk=item_id)
profile = Profile.objects.get(user=request.user)
if item.seller == profile:
result = {"message": "Cannot express interest in your own item."}
return JsonResponse(result)
if (profile not in item.interested.all()):
item.interested.add(profile)
else:
item.interested.remove(profile)
item.save()
# return the updated item information
item_ser = Item.serialize_one(item, request.user)
return JsonResponse({"item": item_ser})
def item_update_action(request, id):
if request.method == 'GET':
context = {}
context['form'] = EditItemForm()
return render(request, 'items/item_update.html', context)
item = Item.objects.get(pk=id)
if item.seller.user != request.user:
result = {"message": "Cannot edit someone else's item."}
return JsonResponse(result)
name = request.POST.get('name')
description = request.POST.get('description')
price = request.POST.get('price')
street = request.POST.get('street')
city = request.POST.get('city')
state = request.POST.get('state')
zipcode = request.POST.get('zip')
if name is None or description is None or price is None or street is None \
or city is None or state is None or zipcode is None:
result = {"message": "Missing parameters."}
return JsonResponse(result)
latitude, longitude = get_coordinates(request)
item.name = name
item.description = description
item.street = street
item.city = city
item.state = state
item.latitude = latitude
item.longitude = longitude
item.zip_code = zipcode
item.save()
new_price = Price.objects.create(start_date=datetime.now(timezone.utc),
end_date=None,
price=float(price),
item=item)
new_price.save()
return JsonResponse(Item.serialize_one(item, request.user))
def default_response(profile):
items = Item.objects.exclude(seller=profile)
item_list = Item.serialize_many(items, request.user)
return JsonResponse(item_list)
def get_interest_listing(request):
profile = Profile.objects.get(user=request.user)
items = Item.objects.filter(interested__in=[profile])
item_list = Item.serialize_many(items, request.user)
return JsonResponse({"items": item_list})
def get_personal_listing(request):
profile = Profile.objects.get(user=request.user)
items = Item.objects.filter(seller=profile)
item_list = Item.serialize_many(items, request.user)
return JsonResponse({"items": item_list})
def get_storefront_listing(request):
profile = Profile.objects.get(user=request.user)
items = Item.objects.exclude(seller=profile)
item_list = Item.serialize_many(items, request.user)
return JsonResponse({"items": item_list})