WEI Survey (work in progress)

apps/wei/forms/surveys/__init__.py

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+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from .base import WEISurvey, WEISurveyInformation, WEISurveyAlgorithm
+from .wei2020 import WEISurvey2020
+
+
+__all__ = [
+    'WEISurvey', 'WEISurveyInformation', 'WEISurveyAlgorithm', 'CurrentSurvey',
+]
+
+CurrentSurvey = WEISurvey2020

apps/wei/forms/surveys/base.py

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+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from wei.models import WEIClub, WEIRegistration
+
+
+class WEISurvey:
+    year = None
+    step = 0
+
+    def __init__(self, registration):
+        self.registration = registration
+        self.information = self.get_survey_information_class()(registration)
+
+    def get_wei(self):
+        return WEIClub.objects.get(year=self.year)
+
+    def get_survey_information_class(self):
+        raise NotImplementedError
+
+    def get_form_class(self):
+        raise NotImplementedError
+
+    def update_form(self, form):
+        pass
+
+    @staticmethod
+    def get_algorithm_class():
+        raise NotImplementedError
+
+    def form_valid(self, form):
+        raise NotImplementedError
+
+    def save(self):
+        self.information.save(self.registration)
+
+    def select_bus(self, bus_pk):
+        self.information.selected_bus_pk = bus_pk
+
+
+class WEISurveyInformation:
+    valid = False
+    selected_bus_pk = None
+
+    def __init__(self, registration):
+        self.__dict__.update(registration.information)
+
+    def save(self, registration):
+        registration.information = self.__dict__
+        registration.save()
+
+
+class WEISurveyAlgorithm:
+    def get_survey_class(self):
+        raise NotImplementedError
+
+    def get_registrations(self):
+        return WEIRegistration.objects.filter(wei__year=self.get_survey_class().year, first_year=True).all()
+
+    def run_algorithm(self):
+        raise NotImplementedError

apps/wei/forms/surveys/wei2020.py

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+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from django import forms
+
+from .base import WEISurvey, WEISurveyInformation, WEISurveyAlgorithm
+from ...models import Bus
+
+
+class WEISurveyForm2020(forms.Form):
+    bus = forms.ModelChoiceField(
+        Bus.objects,
+    )
+
+    def set_registration(self, registration):
+        self.fields["bus"].queryset = Bus.objects.filter(wei=registration.wei)
+
+
+class WEISurveyInformation2020(WEISurveyInformation):
+    chosen_bus_pk = None
+
+
+class WEISurvey2020(WEISurvey):
+    year = 2020
+
+    def get_survey_information_class(self):
+        return WEISurveyInformation2020
+
+    def get_form_class(self):
+        return WEISurveyForm2020
+
+    def update_form(self, form):
+        form.set_registration(self.registration)
+
+    def form_valid(self, form):
+        self.information.chosen_bus_pk = form.cleaned_data["bus"].pk
+        self.save()
+
+    @staticmethod
+    def get_algorithm_class():
+        return WEISurveyAlgorithm2020
+
+
+class WEISurveyAlgorithm2020(WEISurveyAlgorithm):
+    def get_survey_class(self):
+        return WEISurvey2020
+
+    def run_algorithm(self):
+        for registration in self.get_registrations():
+            survey = self.get_survey_class()(registration)
+            survey.select_bus(survey.information.chosen_bus_pk)
+            survey.save()