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documents.py
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documents.py
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from django_elasticsearch_dsl import Document, fields
from django_elasticsearch_dsl.registries import registry
from core.common.utils import jsonify_safe, flatten_dict
from core.concepts.models import Concept
@registry.register_document
class ConceptDocument(Document):
class Index:
name = 'concepts'
settings = {'number_of_shards': 1, 'number_of_replicas': 0}
id = fields.TextField(attr='mnemonic')
id_lowercase = fields.KeywordField(attr='mnemonic', normalizer="lowercase")
numeric_id = fields.LongField()
name = fields.TextField()
_name = fields.KeywordField(attr='display_name', normalizer='lowercase')
last_update = fields.DateField(attr='updated_at')
locale = fields.ListField(fields.KeywordField())
synonyms = fields.ListField(fields.TextField())
source = fields.KeywordField(attr='parent_resource', normalizer="lowercase")
owner = fields.KeywordField(attr='owner_name', normalizer="lowercase")
owner_type = fields.KeywordField(attr='owner_type')
source_version = fields.ListField(fields.KeywordField())
collection_version = fields.ListField(fields.KeywordField())
expansion = fields.ListField(fields.KeywordField())
collection = fields.ListField(fields.KeywordField())
collection_url = fields.ListField(fields.KeywordField())
collection_owner_url = fields.ListField(fields.KeywordField())
public_can_view = fields.BooleanField(attr='public_can_view')
datatype = fields.KeywordField(attr='datatype', normalizer="lowercase")
concept_class = fields.KeywordField(attr='concept_class', normalizer="lowercase")
retired = fields.KeywordField(attr='retired')
is_latest_version = fields.KeywordField(attr='is_latest_version')
extras = fields.ObjectField(dynamic=True)
created_by = fields.KeywordField(attr='created_by.username')
name_types = fields.ListField(fields.KeywordField())
description_types = fields.ListField(fields.KeywordField())
same_as_map_codes = fields.ListField(fields.KeywordField())
other_map_codes = fields.ListField(fields.KeywordField())
class Django:
model = Concept
fields = [
'version',
'external_id',
]
@staticmethod
def get_match_phrase_attrs():
return ['_name', 'external_id']
@staticmethod
def get_exact_match_attrs():
return {
'id': {
'boost': 40
},
'name': {
'boost': 15
},
'same_as_map_codes': {
'boost': 5.5,
},
'other_map_codes': {
'boost': 5,
},
}
@staticmethod
def get_wildcard_search_attrs():
return {
'id': {
'boost': 25
},
'name': {
'boost': 23
},
'synonyms': {
'boost': 0.3,
'wildcard': True,
'lower': False
},
'same_as_map_codes': {
'boost': 0.2,
'wildcard': True,
'lower': True
},
'other_map_codes': {
'boost': 0.1,
'wildcard': True,
'lower': True
},
}
@staticmethod
def get_fuzzy_search_attrs():
return {
'name': {
'boost': 10
},
'synonyms': {
'boost': 0.3,
},
}
@staticmethod
def prepare_numeric_id(instance):
if len(instance.mnemonic) > 19: # long (-9223372036854775808 - 9223372036854775807)
return 0
try:
return int(instance.mnemonic)
except: # pylint: disable=bare-except
return 0
@staticmethod
def prepare_name(instance):
try:
name = instance.display_name
if name:
name = name.replace('-', '_')
return name
except: # pylint: disable=bare-except
return ''
@staticmethod
def prepare_locale(instance):
return list(set(instance.names.filter(locale__isnull=False).values_list('locale', flat=True)))
@staticmethod
def prepare_same_as_map_codes(instance):
same_as_mappings = instance.get_unidirectional_mappings().filter(
map_type__istartswith='same', to_concept_code__isnull=False)
return [code.lower() for code in set(same_as_mappings.values_list('to_concept_code', flat=True))]
@staticmethod
def prepare_other_map_codes(instance):
other_mappings = instance.get_unidirectional_mappings().exclude(
map_type__istartswith='same').filter(to_concept_code__isnull=False)
return [code.lower() for code in set(other_mappings.values_list('to_concept_code', flat=True))]
@staticmethod
def prepare_synonyms(instance):
names = instance.names.exclude(name=instance.display_name)
return list(set(names.filter(name__isnull=False).values_list('name', flat=True)))
@staticmethod
def prepare_source_version(instance):
return list(instance.sources.values_list('version', flat=True))
@staticmethod
def prepare_collection_version(instance):
return list(set(instance.expansion_set.values_list('collection_version__version', flat=True)))
@staticmethod
def prepare_expansion(instance):
return list(instance.expansion_set.values_list('mnemonic', flat=True))
@staticmethod
def prepare_collection(instance):
return list(set(instance.expansion_set.values_list('collection_version__mnemonic', flat=True)))
@staticmethod
def prepare_collection_url(instance):
return list(set(list(instance.expansion_set.values_list('collection_version__uri', flat=True))))
@staticmethod
def prepare_collection_owner_url(instance):
return list(set(expansion.owner_url for expansion in instance.expansion_set.all()))
@staticmethod
def prepare_extras(instance):
value = {}
if instance.extras:
value = jsonify_safe(instance.extras)
if isinstance(value, dict):
value = flatten_dict(value)
return value or {}
@staticmethod
def prepare_name_types(instance):
return list(
set(instance.names.filter(type__isnull=False).values_list('type', flat=True))
)
@staticmethod
def prepare_description_types(instance):
return list(
set(instance.descriptions.filter(type__isnull=False).values_list('type', flat=True))
)