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serializers.py
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Wed, Jun 19, 08:56

serializers.py
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""" REST API serializers
All serializers inherit from WritableNestedModelSerializer to allow writing nested objects
through the API as per https://github.com/beda-software/drf-writable-nested
and RQLMixin to support the Resource Query Language (RQL) https://django-rql.readthedocs.io/en/latest/
"""
from rest_framework import serializers
from dj_rql.drf.serializers import RQLMixin
from .models import *
from drf_writable_nested.serializers import WritableNestedModelSerializer
class CountrySerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API serializer for Countries
"""
id = serializers.IntegerField(required=False)
name = serializers.CharField(required=False)
iso_code = serializers.CharField(required=False)
class Meta:
model = Country
fields = '__all__'
depth = 4
class LanguageSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API serializer for Languages
"""
id = serializers.IntegerField(required=False)
name = serializers.CharField(required=False)
iso_code = serializers.CharField(required=False)
class Meta:
model = Language
fields = '__all__'
depth = 4
class PublisherSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API serializer for Publishers
"""
id = serializers.IntegerField(required=False)
country = CountrySerializer(required=False, many=True)
class Meta:
model = Publisher
fields = '__all__'
depth = 4
class OaSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API serializer for OA statuses
"""
id = serializers.IntegerField(required=False, allow_null=True)
description = serializers.CharField(required=False, allow_null=True)
subscription = serializers.BooleanField(required=False)
accepted_manuscript = serializers.BooleanField(required=False)
apc = serializers.BooleanField(required=False)
final_version = serializers.BooleanField(required=False)
class Meta:
model = Oa
fields = '__all__'
depth = 4
class IssnSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API serializer for ISSNs
"""
id = serializers.IntegerField(required=False)
class Meta:
model = Issn
fields = '__all__'
depth = 1
class JournalSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API serializer for Journals
"""
id = serializers.IntegerField(required=False)
issn = IssnSerializer(required=False, source='classIssn', many=True)
publisher = PublisherSerializer(required=False, many=True)
language = LanguageSerializer(required=False, many=True)
# allow update via post request --> "oa_status": {2},
# oa_status = serializers.PrimaryKeyRelatedField(queryset=Oa.objects.all())
oa_status = OaSerializer(required=False,allow_null=True)
class Meta:
model = Journal
fields = '__all__'
depth = 4
class LicenceSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API serializer for Licences
"""
id = serializers.IntegerField(required=False)
name_or_abbrev = serializers.CharField()
website = serializers.URLField(allow_null=True, required=False)
class Meta:
model = Licence
fields = '__all__'
depth = 4
class Cost_factor_typeSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API serializer for cost factor types
"""
id = serializers.IntegerField(required=False)
name = serializers.CharField()
class Meta:
model = Cost_factor_type
fields = '__all__'
depth = 4
class VersionSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API serializer for article versions
"""
id = serializers.IntegerField(required=False)
description = models.CharField()
class Meta:
model = Version
fields = '__all__'
depth = 4
class OrgaSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API serializer for organizations
"""
id = serializers.IntegerField(required=False)
country = CountrySerializer(required=False, many=True)
class Meta:
model = Organization
fields = '__all__'
depth = 4
class Cost_factorSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API serializer for cost factors
"""
id = serializers.IntegerField(required=False)
cost_factor_type = Cost_factor_typeSerializer(required=False, allow_null=True)
amount = serializers.IntegerField()
symbol = serializers.CharField()
comment = serializers.CharField(required=False)
class Meta:
model = Cost_factor
fields = '__all__'
depth = 4
class TermSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API serializer for terms
"""
id = serializers.IntegerField(required=False)
version = VersionSerializer(required=False, many=True)
cost_factor = Cost_factorSerializer(required=False, many=True)
licence = LicenceSerializer(required=False, many=True)
class Meta:
model = Term
fields = '__all__'
depth = 4
class ConditionTypeSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API serializer for condition types
"""
id = serializers.IntegerField(required=False)
condition_issuer = serializers.CharField()
class Meta:
model = ConditionType
fields = '__all__'
depth = 4
class ConditionSubTypeSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API serializer for condition subtypes
"""
id = serializers.IntegerField(required=False)
label = serializers.CharField()
class Meta:
model = ConditionSubType
fields = '__all__'
depth = 4
class ConditionSetSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API serializer for condition sets
"""
id = serializers.IntegerField(required=False)
term = TermSerializer(many=True, read_only=False)
condition_type = ConditionTypeSerializer(read_only=False)
subtype = ConditionSubTypeSerializer(read_only=False)
organization = OrgaSerializer(many=True, read_only=False)
journal = JournalSerializer(many=True, read_only=False)
comment = serializers.CharField(read_only=False)
source = serializers.URLField(read_only=False)
class Meta:
model = ConditionSet
# pre filter for rql
# fields = ['id','condition_type','term','journal','organization']
# add for informations purpose
fields = '__all__'
depth = 4
class JournalIdSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API light-weight serializer for journals, using only the ID.
Used by the frontend when building the query
"""
id = serializers.IntegerField(required=False)
# allow update via post request --> "oa_status": {2},
class Meta:
model = Journal
fields = ['id']
class ConditionSetLightSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API serializer for condition sets, providing only the information
needed in the frontend to improve performance
"""
id = serializers.IntegerField(required=False)
term = TermSerializer(many=True, read_only=False)
condition_type = ConditionTypeSerializer(read_only=False)
subtype = ConditionSubTypeSerializer(read_only=False)
organization = OrgaSerializer(many=True, read_only=False)
# No journals in this one.
journal = JournalIdSerializer(many=True, read_only=False)
comment = serializers.CharField(read_only=False)
source = serializers.URLField(read_only=False)
class Meta:
model = ConditionSet
# pre filter for rql
# fields = ['id','condition_type','term','journal','organization']
# add for informations purpose
fields = ['id', 'condition_type', 'subtype', 'term', 'organization', 'journal', 'comment', 'source']
depth = 4
class JournalLightSerializer(WritableNestedModelSerializer, RQLMixin):
""" REST API lighter serializer for journals
"""
id = serializers.IntegerField(required=False)
# allow update via post request --> "oa_status": {2},
oa_status = serializers.PrimaryKeyRelatedField(queryset=Oa.objects.all())
language = serializers.PrimaryKeyRelatedField(queryset=Language.objects.all(), many=True)
publisher = serializers.PrimaryKeyRelatedField(queryset=Publisher.objects.all(), many=True)
starting_year = serializers.IntegerField(required=False)
end_year = serializers.IntegerField(required=False)
class Meta:
model = Journal
fields = ['id', 'name', 'oa_status', 'language', 'publisher', 'starting_year', 'end_year']
depth = 1
class OaSerializer(WritableNestedModelSerializer,RQLMixin):
""" REST API serializers for OA statuses
"""
id = serializers.IntegerField(required=False)
status = serializers.CharField(allow_null=True)
description = serializers.CharField(allow_null=True)
subscription = serializers.BooleanField(required=False)
accepted_manuscript = serializers.BooleanField(required=False)
apc = serializers.BooleanField(required=False)
final_version = serializers.BooleanField(required=False)
class Meta:
model = Oa
fields = '__all__'
depth = 4
class OrganizationConditionSerializer(serializers.ModelSerializer, RQLMixin):
""" REST API serializers for Organisation-condition connections
"""
id = serializers.IntegerField(required=False)
organization = OrgaSerializer(required=False)
condition_set = ConditionSetSerializer(required=False)
class Meta:
model = OrganizationCondition
fields = '__all__'
depth = 4
class JournalConditionSerializer(serializers.ModelSerializer, RQLMixin):
""" REST API serializers for Organisation-condition connections
"""
id = serializers.IntegerField(required=False)
journal = JournalSerializer(required=False)
condition_set = ConditionSetSerializer(required=False)
class Meta:
model = JournalCondition
fields = '__all__'
depth = 4

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