def post(request):
""" Cоздание модели после ввода данных в таблице """
user_profile = get_userprofile(request)
model = create_model(user_profile.id,
demo_model=False,
request=request)
if model is not False:
create_files(model)
return redirect('models_id', id=model.id)
else:
number_of_criterion = request.POST["number_of_criterion"]
number_of_alternatives = request.POST["number_of_alternatives"]
number_of_criterion_for_select = list(
range(1,
int(number_of_criterion) + 1))
number_of_alternatives_for_select = list(
range(1,
int(number_of_alternatives) + 1))
return render(
request, "model/input_data.html", {
'number_of_criterion_for_select':
number_of_criterion_for_select,
'number_of_alternatives_for_select':
number_of_alternatives_for_select,
'error': "Ошибка при заполнении. Повторите попытку ввода"
})
def demo_create(request):
# Создаем демо модель на базе метода ШНУР
if request.method == 'GET':
model = create_model(demo_model=True)
create_files(model)
message = make_question(model)
return JsonResponse(message, status=200)
def post(self, request):
uploaded_file = request.FILES['document']
fs = FileSystemStorage()
r_int = str(randint(0, 100))
path_csv = f'{request.user.username}/{r_int}{uploaded_file.name}'
fs.save(path_csv, uploaded_file)
user_profile = get_userprofile(request)
model = create_model(user_profile.id,
demo_model=False,
path_csv=path_csv)
if model is False:
error = 'Возникла ошибка при загрузке файла. Проверьте файл'
return render(request, "upload_model.html", {'error': error})
create_files(model)
return redirect('models_id', id=model.id)
def create_model(user_id,
demo_model: bool = False,
path_csv=None,
request=None,
number_of_alternatives=None,
demo_vkr=False) -> object:
""" Создание объекта модели (Поиска лучшей альтернативы для задачи выбора) """
try:
result = True # Результат создания и заполнения модели
if demo_model:
model = Model.objects.create(is_demo=True,
name='Демонстрационная',
id_user=User.objects.get(id=user_id))
if demo_vkr:
"""Выбор 1комнатной квартиры"""
result = _filling_demo_model_vkr(model)
else:
result = _filling_demo_model(
model, number_of_alternatives
) # Заполняем модель исходными данными
else:
model = Model.objects.create(is_demo=False,
name='Пользовательская',
id_user=User.objects.get(id=user_id))
if path_csv:
result = _filling_model_from_file(
model,
path_csv=path_csv) # Заполняем модель исходными данными
elif request:
"""Данные модели из интерфейса система"""
result = _filling_custom_model(model, request)
if result is False:
model.delete()
return False
_create_dir(str(model.id))
create_files(model)
Model.objects.filter(id=model.id).update(is_done=True)
return model
except Exception as e:
pass
def auto_create(request):
if request.method == 'GET':
options_obj_list = []
model = create_model(demo_model=True)
with open("api/files/demo.csv", encoding='utf-8') as r_file:
file_reader = csv.reader(r_file, delimiter=",")
count = False
criterion_number = 1
option_number = 1
for row in file_reader:
if count is False:
for i in range(2, len(row)):
option = Option.objects.create(name=row[i], id_model=model, number=option_number)
options_obj_list.append(option)
option_number += 1
count = True
else:
if row[1] == 'min':
direction = False
else:
direction = True
max = float(row[2])
for i in range(3, len(row)):
if max < float(row[i]):
max = float(row[i])
criterion = Criterion.objects.create(name=row[0], id_model=model, direction=direction, max=max,
number=criterion_number)
criterion_number += 1
for i in range(2, len(row)):
value = float(row[i])
Value.objects.create(value=value, id_option=options_obj_list[i-2], id_criterion=criterion)
n = len(options_obj_list)
k = 1
for i in range(n):
for j in range(k, n):
if i != j:
s = PairsOfOptions.objects.create(id_option_1=options_obj_list[i], id_option_2=options_obj_list[j],
id_model=model)
k += 1
create_files(model)
message = make_question(model)
i = 1
while i == 1:
message = question(message, auto=True)
flag = message['flag_find_winner']
if flag == 1:
break
response = {'model_id': model.id}
return JsonResponse(response, status=200)