kopia lustrzana https://dev.funkwhale.audio/funkwhale/funkwhale
69 wiersze
2.1 KiB
Python
69 wiersze
2.1 KiB
Python
from django.db.models import Q
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from django_filters import rest_framework as filters
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USER_FILTER_CONFIG = {
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"ARTIST": {"target_artist": ["pk"]},
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"CHANNEL": {"target_artist": ["artist__pk"]},
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"ALBUM": {"target_artist": ["artist__pk"]},
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"TRACK": {"target_artist": ["artist__pk", "album__artist__pk"]},
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"LISTENING": {"target_artist": ["track__album__artist__pk", "track__artist__pk"]},
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"TRACK_FAVORITE": {
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"target_artist": ["track__album__artist__pk", "track__artist__pk"]
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},
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}
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def get_filtered_content_query(config, user):
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final_query = None
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for filter_field, model_fields in config.items():
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query = None
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ids = user.content_filters.values_list(filter_field, flat=True)
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for model_field in model_fields:
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q = Q(**{f"{model_field}__in": ids})
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if query:
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query |= q
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else:
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query = q
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final_query = query
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return final_query
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class HiddenContentFilterSet(filters.FilterSet):
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"""
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A filterset that include a "hidden" param:
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- hidden=true : list user hidden/filtered objects
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- hidden=false : list all objects user hidden/filtered objects
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- not specified: hidden=false
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Usage:
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class MyFilterSet(HiddenContentFilterSet):
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class Meta:
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hidden_content_fields_mapping = {'target_artist': ['pk']}
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Will map UserContentFilter.artist values to the pk field of the filtered model.
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"""
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hidden = filters.BooleanFilter(field_name="_", method="filter_hidden_content")
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.data = self.data.copy()
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self.data.setdefault("hidden", False)
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def filter_hidden_content(self, queryset, name, value):
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user = self.request.user
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if not user.is_authenticated:
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# no filter to apply
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return queryset
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config = self.__class__.Meta.hidden_content_fields_mapping
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final_query = get_filtered_content_query(config, user)
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if value:
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return queryset.filter(final_query)
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else:
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return queryset.exclude(final_query)
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