def get_suggestions(request):
result = check_input(request, ["page", "userId"])
if result['result'] == "Error":
return JsonResponse(result)
try:
items = Recommendations.get_page(request['userId'], request['page'])
number_of_pages = Recommendations.get_number_of_pages(
request['userId'])
except Exception as e:
print e
return JsonResponse({
'result': 'Error',
'message': 'error during getting list'
})
if items:
request = {
'result': 'Success',
'data': {
'items': items,
"numberOfPages": number_of_pages
}
}
elif items == []:
request = {'result': 'Error', 'message': 'page out of range'}
else:
request = {'result': 'Error', 'message': 'error during getting list'}
return JsonResponse(request)
def make_list(request):
result = check_input(request, ["userId"], ["filter"])
if result['result'] == "Error":
return JsonResponse(result)
if 'filter' in request:
result = check_input(request['filter'], [], ["minPrice", "maxPrice"])
if result['result'] == "Error":
return JsonResponse(result)
min_price = None
max_price = None
if 'filter' in request:
if 'minPrice' in request['filter']:
min_price = request['filter']['minPrice']
if 'maxPrice' in request['filter']:
max_price = request['filter']['maxPrice']
try:
Recommendations.generate_list(request['userId'], min_price, max_price)
number_of_pages = Recommendations.get_number_of_pages(
request['userId'])
except Exception as e:
print e
return JsonResponse({
'result': 'error',
'message': 'error while making list'
})
return JsonResponse({
'result': 'Success',
'data': {
'numberOfPages': number_of_pages
}
})
def rate_item(request):
result = check_input(request, ["userId", "itemId", "rating"])
if result['result'] == "Error":
return JsonResponse(result)
try:
Recommendations.rate_and_remove(request['userId'], request['itemId'], request['rating'])
number_of_pages = Recommendations.get_number_of_pages(request['userId'])
except Exception as e:
print e
return JsonResponse({"result": "Error", "message": "error during rating item"})
return JsonResponse({"result": "Success", 'data': {'numberOfPages': number_of_pages}})
def get_suggestions(request):
result = check_input(request, ["page", "userId"])
if result['result'] == "Error":
return JsonResponse(result)
try:
items = Recommendations.get_page(request['userId'], request['page'])
number_of_pages = Recommendations.get_number_of_pages(request['userId'])
except Exception as e:
print e
return JsonResponse({'result': 'Error', 'message': 'error during getting list'})
if items:
request = {'result': 'Success', 'data': {'items': items, "numberOfPages": number_of_pages}}
elif items == []:
request = {'result': 'Error', 'message': 'page out of range'}
else:
request = {'result': 'Error', 'message': 'error during getting list'}
return JsonResponse(request)
def rate_item(request):
result = check_input(request, ["userId", "itemId", "rating"])
if result['result'] == "Error":
return JsonResponse(result)
try:
Recommendations.rate_and_remove(request['userId'], request['itemId'],
request['rating'])
number_of_pages = Recommendations.get_number_of_pages(
request['userId'])
except Exception as e:
print e
return JsonResponse({
"result": "Error",
"message": "error during rating item"
})
return JsonResponse({
"result": "Success",
'data': {
'numberOfPages': number_of_pages
}
})
def make_list(request):
result = check_input(request, ["userId"], ["filter"])
if result['result'] == "Error":
return JsonResponse(result)
if 'filter' in request:
result = check_input(request['filter'], [], ["minPrice", "maxPrice"])
if result['result'] == "Error":
return JsonResponse(result)
min_price = None
max_price = None
if 'filter' in request:
if 'minPrice' in request['filter']:
min_price = request['filter']['minPrice']
if 'maxPrice' in request['filter']:
max_price = request['filter']['maxPrice']
try:
Recommendations.generate_list(request['userId'], min_price, max_price)
number_of_pages = Recommendations.get_number_of_pages(request['userId'])
except Exception as e:
print e
return JsonResponse({'result': 'error', 'message': 'error while making list'})
return JsonResponse({'result': 'Success', 'data': {'numberOfPages': number_of_pages}})
