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fix: add basic crm Place serializer #403

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Dec 13, 2024
Merged

fix: add basic crm Place serializer #403

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72 changes: 69 additions & 3 deletions apis_ontology/serializers.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
from rest_framework.renderers import serializers
from rdflib import Graph, Literal, URIRef, Namespace
from rdflib.namespace import RDF, RDFS, XSD
from rdflib.namespace import RDF, RDFS, XSD, OWL, GEO
from apis_core.generic.serializers import GenericHyperlinkedModelSerializer
from apis_core.relations.utils import relation_content_types
from apis_ontology.models import Person, Institution
Expand Down Expand Up @@ -42,6 +42,66 @@ def normalize_empty_attributes(instance):
globals()[f"{cls.__name__}Serializer"] = serializer_class


class PlaceCidocSerializer(serializers.BaseSerializer):
def to_representation(self, instance):
g = Graph()
instance = normalize_empty_attributes(instance)
base_uri = getattr(
settings, "APIS_BASE_URI", self.context["request"].build_absolute_uri("/")
)

# Define namespaces
crm = Namespace("http://www.cidoc-crm.org/cidoc-crm/")
oebl_place = Namespace(f"{base_uri}apis_ontology.place/")
oebl_appellation = Namespace(f"{base_uri}appellation/")
oebl_attr = Namespace(f"{base_uri}attributes/")

g.namespace_manager.bind("crm", crm, replace=True)
g.namespace_manager.bind("oebl-place", oebl_place, replace=True)
g.namespace_manager.bind("oebl-appellation", oebl_appellation, replace=True)
g.namespace_manager.bind("oebl-attr", oebl_attr, replace=True)
g.namespace_manager.bind("owl", OWL, replace=True)
g.namespace_manager.bind("geo", GEO, replace=True)

# Create the Person instance
place_uri = URIRef(oebl_place[str(instance.id)])
g.add((place_uri, RDF.type, crm.E53_Place))

# Add sameAs links
for uri in instance.uri_set.all():
uri_ref = URIRef(uri.uri)
g.add((place_uri, OWL.sameAs, uri_ref))

# Add properties
appellation_uri = URIRef(oebl_appellation[str(instance.id)])
g.add((appellation_uri, RDF.type, crm.E33_E41_Linguistic_Appellation))
g.add((place_uri, crm.P1_is_identified_by, appellation_uri))
g.add(
(
appellation_uri,
RDFS.label,
Literal(f"{instance.label}"),
)
)
if instance.latitude is not None and instance.longitude is not None:
node_spaceprimitive = oebl_attr[f"spaceprimitive.{instance.id}"]
g.add((place_uri, crm.P168_place_is_defined_by, node_spaceprimitive))
g.add((node_spaceprimitive, RDF.type, crm.E94_Space_Primitive))
g.add(
(
node_spaceprimitive,
crm.P168_place_is_defined_by,
Literal(
(
f"Point ( {'+' if instance.longitude > 0 else ''}{instance.longitude} {'+' if instance.latitude > 0 else ''}{instance.latitude} )"
),
datatype=GEO.wktLiteral,
),
)
)
return g


class PersonCidocSerializer(serializers.BaseSerializer):
def to_representation(self, instance):
g = Graph()
Expand All @@ -54,17 +114,23 @@ def to_representation(self, instance):
crm = Namespace("http://www.cidoc-crm.org/cidoc-crm/")
oebl_person = Namespace(f"{base_uri}apis_ontology.person/")
oebl_appellation = Namespace(f"{base_uri}appellation/")
oebl_attr = Namespace(f"{getattr(settings, 'APIS_BASE_URI')}attributes/")
oebl_attr = Namespace(f"{base_uri}attributes/")

g.namespace_manager.bind("crm", crm, replace=True)
g.namespace_manager.bind("oebl-person", oebl_person, replace=True)
g.namespace_manager.bind("oebl-appellation", oebl_appellation, replace=True)
g.namespace_manager.bind("oebl-attr", oebl_attr, replace=True)
g.namespace_manager.bind("owl", OWL, replace=True)

# Create the Person instance
person_uri = URIRef(oebl_person[str(instance.id)])
g.add((person_uri, RDF.type, crm.E21_Person))

# Add sameAs links
for uri in instance.uri_set.all():
uri_ref = URIRef(uri.uri)
g.add((person_uri, OWL.sameAs, uri_ref))

# Add properties
appellation_uri = URIRef(oebl_appellation[str(instance.id)])
g.add((appellation_uri, RDF.type, crm.E33_E41_Linguistic_Appellation))
Expand Down Expand Up @@ -158,7 +224,7 @@ def to_representation(self, instance):
oebl_person = Namespace(f"{base_uri}apis_ontology.person/")
oebl_inst = Namespace(f"{base_uri}apis_ontology.institution/")
oebl_appellation = Namespace(f"{base_uri}appellation/")
oebl_attr = Namespace(f"{getattr(settings, 'APIS_BASE_URI')}attributes/")
oebl_attr = Namespace(f"{base_uri}attributes/")

g.namespace_manager.bind("crm", crm, replace=True)
g.namespace_manager.bind("oebl-person", oebl_person, replace=True)
Expand Down
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