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pythondatasetsactive-learningtext-annotationdatasetnatural-language-processingdata-labelingmachine-learningannotation-tool
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26 lines
877 B
26 lines
877 B
from django.db.models import Count, Q
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from django_filters.rest_framework import BooleanFilter, FilterSet
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from .models import Example
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class ExampleFilter(FilterSet):
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confirmed = BooleanFilter(field_name='states', method='filter_by_state')
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def filter_by_state(self, queryset, field_name, is_confirmed: bool):
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queryset = queryset.annotate(
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num_confirm=Count(
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expression=field_name,
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filter=Q(**{f'{field_name}__confirmed_by': self.request.user}) |
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Q(project__collaborative_annotation=True)
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)
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)
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if is_confirmed:
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queryset = queryset.filter(num_confirm__gte=1)
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else:
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queryset = queryset.filter(num_confirm__lte=0)
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return queryset
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class Meta:
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model = Example
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fields = ('project', 'text', 'created_at', 'updated_at')
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