4b13ff681e
server changes finished, tests, cleanup Add entitled user table Fix formatting Finish entitled users table & implement new percent base Fix typing Fixed remarks & errors Fix new precent base representation Update autoupdate service Remove unneeded prettier entry Remove unneeded css
143 lines
4.4 KiB
Python
143 lines
4.4 KiB
Python
from django.conf import settings
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from ..utils.auth import get_group_model
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from ..utils.rest_api import (
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CharField,
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DecimalField,
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IdPrimaryKeyRelatedField,
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JSONField,
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ModelSerializer,
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SerializerMethodField,
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ValidationError,
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)
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from .models import BasePoll
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BASE_VOTE_FIELDS = (
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"id",
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"weight",
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"value",
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"user",
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"delegated_user",
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"user_token",
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"option",
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"pollstate",
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)
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class BaseVoteSerializer(ModelSerializer):
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pollstate = SerializerMethodField()
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def get_pollstate(self, vote):
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return vote.option.poll.state
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BASE_OPTION_FIELDS = ("id", "yes", "no", "abstain", "poll_id", "pollstate")
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class BaseOptionSerializer(ModelSerializer):
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yes = DecimalField(max_digits=15, decimal_places=6, min_value=-2, read_only=True)
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no = DecimalField(max_digits=15, decimal_places=6, min_value=-2, read_only=True)
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abstain = DecimalField(
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max_digits=15, decimal_places=6, min_value=-2, read_only=True
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)
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pollstate = SerializerMethodField()
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def get_pollstate(self, option):
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return option.poll.state
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BASE_POLL_FIELDS = (
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"state",
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"type",
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"title",
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"groups",
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"votesvalid",
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"votesinvalid",
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"votescast",
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"options",
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"id",
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"onehundred_percent_base",
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"majority_method",
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"is_pseudoanonymized",
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"voted",
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"entitled_users_at_stop",
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)
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class BasePollSerializer(ModelSerializer):
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title = CharField(allow_blank=False, required=True)
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groups = IdPrimaryKeyRelatedField(
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many=True, required=False, queryset=get_group_model().objects.all()
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)
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options = IdPrimaryKeyRelatedField(many=True, read_only=True)
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voted = IdPrimaryKeyRelatedField(many=True, read_only=True)
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entitled_users_at_stop = JSONField(required=False)
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def create(self, validated_data):
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"""
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Match the 100 percent base to the pollmethod. Change the base, if it does not
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fit to the pollmethod.
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Set is_pseudoanonymized if type is pseudoanonymous.
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"""
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new_100_percent_base = self.norm_100_percent_base_to_pollmethod(
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validated_data["onehundred_percent_base"], validated_data["pollmethod"]
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)
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if new_100_percent_base is not None:
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validated_data["onehundred_percent_base"] = new_100_percent_base
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if validated_data["type"] == BasePoll.TYPE_PSEUDOANONYMOUS:
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validated_data["is_pseudoanonymized"] = True
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return super().create(validated_data)
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def update(self, instance, validated_data):
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"""
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Adjusts the 100%-base to the pollmethod. This might be needed,
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if at least one of them was changed. Wrong combinations should be
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also handled by the client, but here we make it sure aswell!
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E.g. the pollmethod is YN, but the 100%-base is YNA, this might not be
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possible (see implementing serializers to see forbidden combinations)
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Also updates is_pseudoanonymized, if needed.
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"""
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old_100_percent_base = instance.onehundred_percent_base
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if "type" in validated_data:
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if validated_data["type"] == BasePoll.TYPE_PSEUDOANONYMOUS:
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validated_data["is_pseudoanonymized"] = True
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else:
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validated_data["is_pseudoanonymized"] = False
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instance = super().update(instance, validated_data)
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new_100_percent_base = self.norm_100_percent_base_to_pollmethod(
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instance.onehundred_percent_base, instance.pollmethod, old_100_percent_base
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)
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if new_100_percent_base is not None:
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instance.onehundred_percent_base = new_100_percent_base
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instance.save()
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return instance
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def validate(self, data):
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"""
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Check that the given polltype is allowed.
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"""
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# has to be called in function instead of globally to enable tests to change the setting
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ENABLE_ELECTRONIC_VOTING = getattr(settings, "ENABLE_ELECTRONIC_VOTING", False)
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if (
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"type" in data
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and data["type"] != BasePoll.TYPE_ANALOG
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and not ENABLE_ELECTRONIC_VOTING
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):
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raise ValidationError(
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{
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"detail": "Electronic voting is disabled. Only analog polls are allowed."
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}
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)
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return data
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def norm_100_percent_base_to_pollmethod(
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self, onehundred_percent_base, pollmethod, old_100_percent_base=None
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):
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raise NotImplementedError()
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