Collection: implement collection membership.
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django_etesync/migrations/0019_collectionmember.py
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29
django_etesync/migrations/0019_collectionmember.py
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@ -0,0 +1,29 @@
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# Generated by Django 3.0.3 on 2020-02-26 18:33
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from django.conf import settings
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from django.db import migrations, models
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import django.db.models.deletion
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class Migration(migrations.Migration):
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dependencies = [
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migrations.swappable_dependency(settings.AUTH_USER_MODEL),
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('django_etesync', '0018_auto_20200226_1803'),
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]
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operations = [
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migrations.CreateModel(
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name='CollectionMember',
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fields=[
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('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
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('encryptionKey', models.BinaryField(editable=True)),
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('accessLevel', models.CharField(choices=[('adm', 'Admin'), ('rw', 'Read Write'), ('ro', 'Read Only')], default='ro', max_length=3)),
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('collection', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='members', to='django_etesync.Collection')),
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('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
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],
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options={
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'unique_together': {('user', 'collection')},
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},
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),
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]
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@ -88,3 +88,25 @@ class CollectionItemRevision(models.Model):
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def __str__(self):
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return '{} {} current={}'.format(self.item.uid, self.id, self.current)
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class CollectionMember(models.Model):
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class AccessLevels(models.TextChoices):
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ADMIN = 'adm'
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READ_WRITE = 'rw'
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READ_ONLY = 'ro'
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collection = models.ForeignKey(Collection, related_name='members', on_delete=models.CASCADE)
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
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encryptionKey = models.BinaryField(editable=True, blank=False, null=False)
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accessLevel = models.CharField(
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max_length=3,
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choices=AccessLevels.choices,
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default=AccessLevels.READ_ONLY,
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)
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class Meta:
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unique_together = ('user', 'collection')
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def __str__(self):
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return '{} {}'.format(self.collection.uid, self.user)
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@ -31,29 +31,25 @@ class BinaryBase64Field(serializers.Field):
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class CollectionSerializer(serializers.ModelSerializer):
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owner = serializers.SlugRelatedField(
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slug_field=User.USERNAME_FIELD,
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read_only=True
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)
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encryptionKey = serializers.SerializerMethodField('get_key_from_context')
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permissions = serializers.SerializerMethodField('get_permission_from_context')
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accessLevel = serializers.SerializerMethodField('get_access_level_from_context')
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ctag = serializers.SerializerMethodField('get_ctag')
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class Meta:
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model = models.Collection
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fields = ('uid', 'version', 'owner', 'encryptionKey', 'permissions', 'ctag')
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fields = ('uid', 'version', 'accessLevel', 'encryptionKey', 'ctag')
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def get_key_from_context(self, obj):
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request = self.context.get('request', None)
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if request is not None:
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return 'FIXME'
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return obj.members.get(user=request.user).encryptionKey
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return None
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def get_permission_from_context(self, obj):
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def get_access_level_from_context(self, obj):
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request = self.context.get('request', None)
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if request is not None:
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return 'FIXME'
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return 'readOnly'
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return obj.members.get(user=request.user).accessLevel
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return None
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def get_ctag(self, obj):
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return 'FIXME'
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