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serializers.py
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serializers.py
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from pydash import compact
from rest_framework.fields import CharField, DateTimeField, BooleanField, URLField, JSONField, SerializerMethodField, \
UUIDField
from rest_framework.serializers import ModelSerializer
from core.common.constants import INCLUDE_INVERSE_MAPPINGS_PARAM, INCLUDE_MAPPINGS_PARAM
from core.concepts.models import Concept, LocalizedText
from core.mappings.serializers import MappingDetailSerializer
class LocalizedNameSerializer(ModelSerializer):
uuid = CharField(read_only=True, source='id')
name_type = CharField(source='type', required=False, allow_null=True, allow_blank=True)
type = CharField(source='name_type', required=False, allow_null=True, allow_blank=True)
class Meta:
model = LocalizedText
fields = (
'uuid', 'name', 'external_id', 'type', 'locale', 'locale_preferred', 'name_type',
)
class LocalizedDescriptionSerializer(ModelSerializer):
uuid = CharField(read_only=True, source='id')
description = CharField(source='name')
description_type = CharField(source='type', required=False, allow_null=True, allow_blank=True)
type = CharField(source='description_type', required=False, allow_null=True, allow_blank=True)
class Meta:
model = LocalizedText
fields = (
'uuid', 'description', 'external_id', 'type', 'locale', 'locale_preferred', 'description_type'
)
class ConceptLabelSerializer(ModelSerializer):
uuid = CharField(read_only=True, source='id')
external_id = CharField(required=False)
locale = CharField(required=True)
locale_preferred = BooleanField(required=False, default=False)
class Meta:
model = LocalizedText
fields = (
'uuid', 'external_id', 'type', 'locale', 'locale_preferred'
)
@staticmethod
def create(attrs, instance=None): # pylint: disable=arguments-differ
concept_desc = instance if instance else LocalizedText()
concept_desc.name = attrs.get('name', concept_desc.name)
concept_desc.locale = attrs.get('locale', concept_desc.locale)
concept_desc.locale_preferred = attrs.get('locale_preferred', concept_desc.locale_preferred)
concept_desc.type = attrs.get('type', concept_desc.type)
concept_desc.external_id = attrs.get('external_id', concept_desc.external_id)
concept_desc.save()
return concept_desc
class ConceptNameSerializer(ConceptLabelSerializer):
name = CharField(required=True)
name_type = CharField(required=False, source='type')
class Meta:
model = LocalizedText
fields = (*ConceptLabelSerializer.Meta.fields, 'name', 'name_type')
def to_representation(self, instance):
ret = super().to_representation(instance)
ret.update({"type": "ConceptName"})
return ret
class ConceptDescriptionSerializer(ConceptLabelSerializer):
description = CharField(required=True, source='name')
description_type = CharField(required=False, source='type')
class Meta:
model = LocalizedText
fields = (
*ConceptLabelSerializer.Meta.fields, 'description', 'description_type'
)
def to_representation(self, instance): # used to be to_native
ret = super().to_representation(instance)
ret.update({"type": "ConceptDescription"})
return ret
class ConceptListSerializer(ModelSerializer):
uuid = CharField(source='id', read_only=True)
id = CharField(source='mnemonic')
source = CharField(source='parent_resource')
owner = CharField(source='owner_name')
update_comment = CharField(source='comment')
locale = SerializerMethodField()
url = CharField(source='uri', read_only=True)
version_created_on = DateTimeField(source='created_at', read_only=True)
version_created_by = DateTimeField(source='created_by.username', read_only=True)
mappings = SerializerMethodField()
def __init__(self, *args, **kwargs):
self.query_params = kwargs.get('context').get('request').query_params.dict()
self.include_indirect_mappings = self.query_params.get(INCLUDE_INVERSE_MAPPINGS_PARAM) == 'true'
self.include_direct_mappings = self.query_params.get(INCLUDE_MAPPINGS_PARAM) == 'true'
super().__init__(*args, **kwargs)
class Meta:
model = Concept
fields = (
'uuid', 'id', 'external_id', 'concept_class', 'datatype', 'url', 'retired', 'source',
'owner', 'owner_type', 'owner_url', 'display_name', 'display_locale', 'version', 'update_comment',
'locale', 'version_created_by', 'version_created_on', 'mappings', 'is_latest_version', 'versions_url',
)
@staticmethod
def get_locale(obj):
return obj.iso_639_1_locale
def get_mappings(self, obj):
if self.include_direct_mappings:
return MappingDetailSerializer(obj.get_unidirectional_mappings(), many=True).data
if self.include_indirect_mappings:
return MappingDetailSerializer(obj.get_bidirectional_mappings(), many=True).data
return []
class ConceptDetailSerializer(ModelSerializer):
uuid = CharField(source='id', read_only=True)
version = CharField(read_only=True)
type = CharField(source='versioned_resource_type', read_only=True)
id = CharField(source='mnemonic', required=True)
source = CharField(source='parent_resource', read_only=True)
parent_id = UUIDField()
owner = CharField(source='owner_name', read_only=True)
created_on = DateTimeField(source='created_at', read_only=True)
updated_on = DateTimeField(source='updated_at', read_only=True)
names = LocalizedNameSerializer(many=True)
descriptions = LocalizedDescriptionSerializer(many=True, allow_null=True)
external_id = CharField(required=False, allow_blank=True)
concept_class = CharField(required=True)
datatype = CharField(required=True)
display_name = CharField(read_only=True)
display_locale = CharField(read_only=True)
retired = BooleanField(required=False)
url = URLField(read_only=True)
owner_type = CharField(read_only=True)
owner_url = URLField(read_only=True)
extras = JSONField(required=False, allow_null=True)
update_comment = CharField(required=False, source='comment')
mappings = SerializerMethodField()
def __init__(self, *args, **kwargs):
self.query_params = kwargs.get('context').get('request').query_params.dict()
self.include_indirect_mappings = self.query_params.get(INCLUDE_INVERSE_MAPPINGS_PARAM) == 'true'
self.include_direct_mappings = self.query_params.get(INCLUDE_MAPPINGS_PARAM) == 'true'
super().__init__(*args, **kwargs)
class Meta:
model = Concept
fields = (
'uuid', 'id', 'external_id', 'concept_class', 'datatype', 'url', 'retired', 'source',
'owner', 'owner_type', 'owner_url', 'display_name', 'display_locale', 'names', 'descriptions',
'created_on', 'updated_on', 'versions_url', 'version', 'extras', 'parent_id', 'name', 'type',
'update_comment', 'version_url', 'mappings'
)
def get_mappings(self, obj):
if self.include_indirect_mappings:
return MappingDetailSerializer(obj.get_bidirectional_mappings(), many=True).data
if self.include_direct_mappings:
return MappingDetailSerializer(obj.get_unidirectional_mappings(), many=True).data
return []
def create(self, validated_data):
concept = Concept.persist_new(data=validated_data, user=self.context.get('request').user)
self._errors.update(concept.errors)
return concept
def update(self, instance, validated_data):
instance.concept_class = validated_data.get('concept_class', instance.concept_class)
instance.datatype = validated_data.get('datatype', instance.datatype)
instance.extras = validated_data.get('extras', instance.extras)
instance.external_id = validated_data.get('external_id', instance.external_id)
instance.comment = validated_data.get('update_comment') or validated_data.get('comment')
instance.retired = validated_data.get('retired', instance.retired)
new_names = [
LocalizedText(
**{k: v for k, v in name.items() if k not in ['name_type']}
) for name in validated_data.get('names', [])
]
new_descriptions = [
LocalizedText(
**{k: v for k, v in desc.items() if k not in ['description_type']}
) for desc in validated_data.get('descriptions', [])
]
instance.cloned_names = compact(new_names)
instance.cloned_descriptions = compact(new_descriptions)
errors = Concept.persist_clone(instance, self.context.get('request').user)
if errors:
self._errors.update(errors)
return instance
class ConceptVersionDetailSerializer(ModelSerializer):
type = CharField(source='resource_type')
uuid = CharField(source='id')
id = CharField(source='mnemonic')
names = LocalizedNameSerializer(many=True)
descriptions = LocalizedDescriptionSerializer(many=True)
source = CharField(source='parent_resource')
source_url = URLField(source='owner_url')
owner = CharField(source='owner_name')
created_on = DateTimeField(source='created_at', read_only=True)
updated_on = DateTimeField(source='updated_at', read_only=True)
version_created_on = DateTimeField(source='created_at')
version_created_by = CharField(source='created_by')
locale = CharField(source='iso_639_1_locale')
mappings = SerializerMethodField()
def __init__(self, *args, **kwargs):
context = kwargs.get('context')
self.include_indirect_mappings = False
self.include_direct_mappings = False
if context:
self.query_params = context.get('request').query_params.dict()
self.include_indirect_mappings = self.query_params.get(INCLUDE_INVERSE_MAPPINGS_PARAM) == 'true'
self.include_direct_mappings = self.query_params.get(INCLUDE_MAPPINGS_PARAM) == 'true'
super().__init__(*args, **kwargs)
class Meta:
model = Concept
fields = (
'type', 'uuid', 'id', 'external_id', 'concept_class', 'datatype', 'display_name', 'display_locale',
'names', 'descriptions', 'extras', 'retired', 'source', 'source_url', 'owner', 'owner_name', 'owner_url',
'version', 'created_on', 'updated_on', 'version_created_on', 'version_created_by', 'extras',
'is_latest_version', 'locale', 'url', 'owner_type', 'version_url', 'mappings'
)
def get_mappings(self, obj):
if self.include_direct_mappings:
return MappingDetailSerializer(obj.get_unidirectional_mappings(), many=True).data
if self.include_indirect_mappings:
return MappingDetailSerializer(obj.get_bidirectional_mappings(), many=True).data
return []