mirror of https://gitlab.crans.org/bde/nk20
149 lines
4.6 KiB
Python
149 lines
4.6 KiB
Python
# Copyright (C) 2018-2021 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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import time
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from random import Random
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from django import forms
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from django.db import transaction
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from django.utils.translation import gettext_lazy as _
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from .base import WEISurvey, WEISurveyInformation, WEISurveyAlgorithm, WEIBusInformation
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from ...models import Bus
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WORDS = [
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'13 organisé', '3ième mi temps', 'Années 2000', 'Apéro', 'BBQ', 'BP', 'Beauf', 'Binge drinking', 'Bon enfant',
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'Cartouche', 'Catacombes', 'Chansons paillardes', 'Chansons populaires', 'Chanteur', 'Chartreuse', 'Chill',
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'Core', 'DJ', 'Dancefloor', 'Danse', 'David Guetta', 'Disco', 'Eau de vie', 'Électro', 'Escalade', 'Familial',
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'Fanfare', 'Fracassage', 'Féria', 'Hard rock', 'Hoeggarden', 'House', 'Huit-six', 'IPA', 'Inclusif', 'Inferno',
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'Introverti', 'Jager bomb', 'Jazz', 'Jeux d\'alcool', 'Jeux de rôles', 'Jeux vidéo', 'Jul', 'Jus de fruit',
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'Karaoké', 'LGBTQI+', 'Lady Gaga', 'Loup garou', 'Morning beer', 'Métal', 'Nuit blanche', 'Ovalie', 'Psychedelic',
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'Pétanque', 'Rave', 'Reggae', 'Rhum', 'Ricard', 'Rock', 'Rosé', 'Rétro', 'Séducteur', 'Techno', 'Thérapie taxi',
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'Théâtre', 'Trap', 'Turn up', 'Underground', 'Volley', 'Wati B', 'Zinédine Zidane',
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]
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class WEISurveyForm2021(forms.Form):
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"""
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Survey form for the year 2021.
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Members choose 20 words, from which we calculate the best associated bus.
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"""
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word = forms.ChoiceField(
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label=_("Choose a word:"),
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widget=forms.RadioSelect(),
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)
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def set_registration(self, registration):
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"""
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Filter the bus selector with the buses of the current WEI.
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"""
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information = WEISurveyInformation2021(registration)
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if not information.seed:
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information.seed = int(1000 * time.time())
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information.save(registration)
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registration.save()
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rng = Random(information.seed)
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words = []
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for _ in range(information.step + 1):
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# Generate N times words
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words = [rng.choice(WORDS) for _ in range(10)]
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words = [(w, w) for w in words]
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if self.data:
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self.fields["word"].choices = [(w, w) for w in WORDS]
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if self.is_valid():
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return
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self.fields["word"].choices = words
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class WEIBusInformation2021(WEIBusInformation):
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"""
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For each word, the bus has a score
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"""
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scores: dict
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def __init__(self, bus):
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self.scores = {}
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for word in WORDS:
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self.scores[word] = 0.0
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super().__init__(bus)
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class WEISurveyInformation2021(WEISurveyInformation):
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"""
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We store the id of the selected bus. We store only the name, but is not used in the selection:
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that's only for humans that try to read data.
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"""
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# Random seed that is stored at the first time to ensure that words are generated only once
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seed = 0
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step = 0
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def __init__(self, registration):
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for i in range(1, 21):
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setattr(self, "word" + str(i), None)
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super().__init__(registration)
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class WEISurvey2021(WEISurvey):
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"""
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Survey for the year 2021.
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"""
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@classmethod
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def get_year(cls):
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return 2021
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@classmethod
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def get_survey_information_class(cls):
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return WEISurveyInformation2021
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def get_form_class(self):
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return WEISurveyForm2021
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def update_form(self, form):
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"""
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Filter the bus selector with the buses of the WEI.
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"""
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form.set_registration(self.registration)
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@transaction.atomic
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def form_valid(self, form):
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word = form.cleaned_data["word"]
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self.information.step += 1
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setattr(self.information, "word" + str(self.information.step), word)
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self.save()
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@classmethod
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def get_algorithm_class(cls):
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return WEISurveyAlgorithm2021
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def is_complete(self) -> bool:
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"""
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The survey is complete once the bus is chosen.
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"""
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return self.information.step == 20
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class WEISurveyAlgorithm2021(WEISurveyAlgorithm):
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"""
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The algorithm class for the year 2021.
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For now, the algorithm is quite simple: the selected bus is the chosen bus.
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TODO: Improve this algorithm.
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"""
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@classmethod
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def get_survey_class(cls):
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return WEISurvey2021
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@classmethod
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def get_bus_information_class(cls):
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return WEIBusInformation2021
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def run_algorithm(self):
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for registration in self.get_registrations():
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survey = self.get_survey_class()(registration)
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rng = Random(survey.information.seed)
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survey.select_bus(rng.choice(Bus.objects.all()))
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survey.save()
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