fc4930a49e
Event-based urls
- Add viewset mixin 'EventUrlViewSetMixin' to get the event from the
'event_pk' url kwarg of a view.
- Add url serializer fields for object which can be accessed with a
root-level and/or event-specific url ('EventHyperlinked*Field).
Update viewsets and serializers to use these + clean inheritance
viewsets.
92 lines
3.1 KiB
Python
92 lines
3.1 KiB
Python
from django.db import transaction
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from django.utils.decorators import method_decorator
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from rest_framework import serializers
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from event.models import Event, ActivityTag, Place, ActivityTemplate
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from .fields import EventHyperlinkedIdentityField
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# Event Serializer
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class EventSerializer(serializers.ModelSerializer):
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# TODO: Change this to a nested serializer ~(url, full_name) of User
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created_by = serializers.ReadOnlyField(source='created_by.get_full_name')
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class Meta:
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model = Event
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fields = (
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'url', 'id', 'title', 'slug', 'created_by', 'created_at',
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'description', 'beginning_date', 'ending_date',
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)
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# Serializers
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# TODO rajouter des permissions
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class PlaceSerializer(serializers.ModelSerializer):
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serializer_url_field = EventHyperlinkedIdentityField
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class Meta:
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model = Place
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fields = ('url', 'id', 'name', 'description', 'event')
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# TODO rajouter des permissions
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class ActivityTagSerializer(serializers.ModelSerializer):
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serializer_url_field = EventHyperlinkedIdentityField
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class Meta:
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model = ActivityTag
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fields = ('url', 'id', 'name', 'is_public', 'color', 'event')
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# TODO rajouter des permissions
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class ActivityTemplateSerializer(serializers.ModelSerializer):
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tags = ActivityTagSerializer(many=True)
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serializer_url_field = EventHyperlinkedIdentityField
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class Meta:
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model = ActivityTemplate
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fields = (
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'url', 'id', 'title', 'event', 'is_public', 'has_perm', 'min_perm',
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'max_perm', 'description', 'remarks', 'tags',
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)
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def process_tags(self, instance, tags_data):
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# TODO: en fonction de si backbone envoie un `id` ou non lorsque le tag
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# n'existe pas encore il faudra faire un premier passage sur `tags` i
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# pour s'assurer que le get ne foire pas le get si, par exemple, le tag
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# été modifié entre temps dans la base de donnée (mais pas sur la
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# classe backbone
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tags = []
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for tag_data in tags_data:
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tag, _ = ActivityTag.objects.get_or_create(**tag_data, defaults={
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'event': instance.event,
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})
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tags.append(tag)
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instance.tags.add(*tags)
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def create(self, validated_data):
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"""
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@tags comportement attendu : si l'id existe déjà on ne change pas
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les autres champs et si l'id n'existe pas on le créé
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"""
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tags_data = validated_data.pop('tags')
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activity_template = super().create(validated_data)
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self.process_tags(activity_template, tags_data)
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return activity_template
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def update(self, instance, validated_data):
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"""
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@tags comportement attendu : si l'id existe déjà on ne change pas
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les autres champs et si l'id n'existe pas on le créé
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"""
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tags_data = validated_data.pop('tags')
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activity_template = super().update(instance, validated_data)
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self.process_tags(activity_template, tags_data)
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return activity_template
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class ActivitySerializer(serializers.ModelSerializer):
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pass
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