def add_skos_hierarachy(self, parent_uri, child_uri):
""" Add a hiearchy assertion for
linked entities
"""
try:
parent = LinkEntity.objects.get(uri=parent_uri)
except LinkEntity.DoesNotExist:
parent = False
try:
child = LinkEntity.objects.get(uri=child_uri)
except LinkEntity.DoesNotExist:
child = False
if parent is not False and child is not False:
lr = LinkRecursion()
exiting_parents = lr.get_entity_parents(child_uri)
if len(exiting_parents) >= 1:
print('Child has parents: ' + str(exiting_parents))
else:
# child is not already in a hieararchy, ok to put it in one
la = LinkAnnotation()
la.subject = child.uri # the subordinate is the subject
la.subject_type = 'uri'
la.project_uuid = self.project_uuid
la.source_id = self.source_id + '-hierarchy'
la.predicate_uri = self.PRED_SBJ_IS_SUB_OF_OBJ
la.object_uri = parent.uri # the parent is the object
la.save()
print('Made: ' + child.uri + ' child of: ' + parent.uri)
else:
print('Cannot find parent or child')
def add_skos_hierarachy(self, parent_uri, child_uri):
""" Add a hiearchy assertion for
linked entities
"""
try:
parent = LinkEntity.objects.get(uri=parent_uri)
except LinkEntity.DoesNotExist:
parent = False
try:
child = LinkEntity.objects.get(uri=child_uri)
except LinkEntity.DoesNotExist:
child = False
if parent is not False and child is not False:
lr = LinkRecursion()
exiting_parents = lr.get_entity_parents(child_uri)
if len(exiting_parents) >= 1:
print('Child has parents: ' + str(exiting_parents))
else:
# child is not already in a hieararchy, ok to put it in one
la = LinkAnnotation()
la.subject = child.uri # the subordinate is the subject
la.subject_type = 'uri'
la.project_uuid = self.project_uuid
la.source_id = self.source_id + '-hierarchy'
la.predicate_uri = self.PRED_SBJ_IS_SUB_OF_OBJ
la.object_uri = parent.uri # the parent is the object
la.save()
print('Made: ' + child.uri + ' child of: ' + parent.uri)
else:
print('Cannot find parent or child')
def get_uri_children(self, uri):
""" gets the children for a given uri """
output = []
if isinstance(uri, str):
lr = LinkRecursion()
lr.get_entity_children(uri, False)
children = lr.child_entities
if isinstance(children, dict):
child_uris = []
for ch_uri, ch_list in children.items():
if uri == ch_uri:
child_uris = ch_list
break
# now we have child entity uris, put them in the proper order
lequiv = LinkEquivalence()
child_uris = lequiv.get_identifier_list_variants(child_uris)
child_ents = LinkEntity.objects\
.filter(uri__in=child_uris)\
.exclude(uri=self.uri)\
.order_by('sort', 'label', 'uri')
for act_ent in child_ents:
ent_dict = LastUpdatedOrderedDict()
ent_dict['id'] = act_ent.uri
ent_dict['label'] = act_ent.label
ent_dict['slug'] = act_ent.slug
ent_dict['href'] = self.make_local_url(act_ent.uri)
output.append(ent_dict)
return output
def get_uri_children(self, uri):
""" gets the children for a given uri """
output = []
if isinstance(uri, str):
lr = LinkRecursion()
lr.get_entity_children(uri, False)
children = lr.child_entities
if isinstance(children, dict):
child_uris = []
for ch_uri, ch_list in children.items():
if uri == ch_uri:
child_uris = ch_list
break
# now we have child entity uris, put them in the proper order
lequiv = LinkEquivalence()
child_uris = lequiv.get_identifier_list_variants(child_uris)
child_ents = LinkEntity.objects\
.filter(uri__in=child_uris)\
.exclude(uri=self.uri)\
.order_by('sort', 'label', 'uri')
for act_ent in child_ents:
ent_dict = LastUpdatedOrderedDict()
ent_dict['id'] = act_ent.uri
ent_dict['label'] = act_ent.label
ent_dict['slug'] = act_ent.slug
ent_dict['href'] = self.make_local_url(act_ent.uri)
output.append(ent_dict)
return output
def make_reconcilation_json(self, search_term, geojson_ld):
""" takes the geojson_ld and
makes a reconcilation json
output
"""
recon_json = False
if isinstance(geojson_ld, dict):
self.geojson_ld = geojson_ld
recon_json = []
if 'oc-api:has-facets' in geojson_ld:
facets = geojson_ld['oc-api:has-facets']
for facet in facets:
if 'oc-api:has-id-options' in facet:
max_count = 0
for facet_value in facet['oc-api:has-id-options']:
if facet_value['count'] > max_count:
max_count = facet_value['count']
id_ranks = {}
for facet_value in facet['oc-api:has-id-options']:
id_uri = facet_value['rdfs:isDefinedBy']
lr = LinkRecursion()
lr.get_entity_children(id_uri)
if len(lr.child_entities) > 0:
levels = len(lr.child_entities) + 1
else:
levels = 1
# calculate a ranking for items, with more specific (fewer children)
# categories ranked higher
rank = (facet_value['count'] / levels) / max_count
match_count = self.count_label_matches(
search_term, id_uri)
rank = rank + (match_count / levels)
id_ranks[id_uri] = rank
sorted_ids = sorted(id_ranks.items(),
key=operator.itemgetter(1),
reverse=True)
for id_key, rank in sorted_ids:
if len(recon_json) < 5:
for facet_value in facet[
'oc-api:has-id-options']:
if facet_value[
'rdfs:isDefinedBy'] == id_key:
rank_item = LastUpdatedOrderedDict()
rank_item['id'] = id_key
rank_item['label'] = facet_value[
'label']
rank_item['rank'] = rank
rank_item[
'related-labels'] = self.get_related_labels(
id_key, True)
recon_json.append(rank_item)
break
else:
break
return recon_json
def get_children(self, identifier):
""" Gets SKOS or OWL children for an entity
"""
ent = Entity()
found = ent.dereference(identifier)
if found:
self.children = []
lr = LinkRecursion()
lr.get_entity_children(identifier)
self.children = lr.child_entities
return self.children
def get_children(self, identifier):
""" Gets SKOS or OWL children for an entity
"""
ent = Entity()
found = ent.dereference(identifier)
if found:
self.children = []
lr = LinkRecursion()
lr.get_entity_children(identifier)
self.children = lr.child_entities
return self.children
def get_jsonldish_entity_parents_db(self, entity_uri):
""" returns the parents of an entity """
lr = LinkRecursion()
lr.mem_cache_parents = self.entity_parents
lr.mem_cache_entities = self.entities
parents = lr.get_jsonldish_entity_parents(entity_uri)
# now save the entities that whent into this.
self.entity_parents = lr.mem_cache_parents
for key, entity in lr.mem_cache_entities.items():
if key not in self.entities:
self.entities[key] = entity
return parents
def get_entity_parents(self):
""" gets the parents of a given entity """
if isinstance(self.uri, str):
lr = LinkRecursion()
parents = lr.get_jsonldish_entity_parents(self.uri, False)
if isinstance(parents, list):
for parent in parents:
ent_dict = LastUpdatedOrderedDict()
ent_dict['id'] = parent['id']
ent_dict['label'] = parent['label']
ent_dict['slug'] = parent['slug']
ent_dict['href'] = self.make_local_url(parent['id'])
self.parents.append(ent_dict)
def get_parent_entity_facet_field(self, entity_uri):
""" Gets the parent facet field for a given
category_uri. This assumes the category_uri is an entity
that exists in the database.
"""
output = False;
lr = LinkRecursion()
parents = lr.get_jsonldish_entity_parents(entity_uri)
if isinstance(parents, list):
if len(parents) > 1:
# get the penultimate field
output = parents[-2]['slug'].replace('-', '_') + '___pred_id'
return output
def get_entity_parents(self):
""" gets the parents of a given entity """
if isinstance(self.uri, str):
lr = LinkRecursion()
parents = lr.get_jsonldish_entity_parents(self.uri, False)
if isinstance(parents, list):
for parent in parents:
ent_dict = LastUpdatedOrderedDict()
ent_dict['id'] = parent['id']
ent_dict['label'] = parent['label']
ent_dict['slug'] = parent['slug']
ent_dict['href'] = self.make_local_url(parent['id'])
self.parents.append(ent_dict)
def get_entity_children_db(self, entity_uri):
""" returns the children of an entity """
children = []
if entity_uri in self.entity_children:
children = self.entity_children[entity_uri]
else:
lr = LinkRecursion()
lr.mem_cache_entities = self.entities
lr.child_entities = self.entity_children
children = lr.get_entity_children(entity_uri)
self.entities = lr.mem_cache_entities
self.entity_children = lr.child_entities
return children
def get_parent_item_type_facet_field(self, category_uri):
""" Gets the parent facet field for a given
category_uri. This assumes the category_uri is an entity
that exists in the database.
"""
output = False;
lr = LinkRecursion()
parents = lr.get_jsonldish_entity_parents(category_uri)
for par in parents:
if par['slug'] in self.TYPE_MAPPINGS.values():
# the parent exists in the Type Mappings
output = par['slug'].replace('-', '_') + '___pred_id'
break
return output
def alter_annotation_hiearchy(self):
""" alters hierarchic annotations
expressed in SKOS or OWL
relations
"""
lr = LinkRecursion()
parents = lr.get_jsonldish_entity_parents(self.uuid, False)
if isinstance(parents, list):
if len(parents) > 0:
# the item has SKOS / OWL parents
parent_id = parents[-1]['id']
lam = LinkAnnoManagement()
lam.source_id = self.editorial_uuid # so editorial uuid associated with change
lam.replace_hierarchy(self.uuid, parent_id)
def alter_annotation_hiearchy(self):
""" alters hierarchic annotations
expressed in SKOS or OWL
relations
"""
lr = LinkRecursion()
parents = lr.get_jsonldish_entity_parents(self.uuid, False)
if isinstance(parents, list):
if len(parents) > 0:
# the item has SKOS / OWL parents
parent_id = parents[-1]['id']
lam = LinkAnnoManagement()
lam.source_id = self.editorial_uuid # so editorial uuid associated with change
lam.replace_hierarchy(self.uuid, parent_id)
def _process_category(self):
""" Finds category / type data ('class_uri' n the manifest table)
For indexing as a type of predicate
"""
if 'category' in self.oc_item.json_ld:
for category in self.oc_item.json_ld['category']:
# get the parent entities of the current category
parents = LinkRecursion(
).get_jsonldish_entity_parents(category)
item_type_found = False
active_predicate_field = False
for index, parent in enumerate(parents):
# We're ignoring the 'slug' from the LinkRecursion parents
# Gets the last part of the URI
ptype = parent['id'].split('/')[-1]
# prefix_ptype = 'oc-gen-' + ptype
# consistent with other uses of slugs for solr fields
prefix_ptype = parent['slug']
if item_type_found is False:
if ptype == self.oc_item.item_type:
item_type_found = True
if active_predicate_field is not False:
solr_value = self._concat_solr_string_value(
prefix_ptype,
'id',
parent['id'],
parent['label']
)
if active_predicate_field not in self.fields:
self.fields[active_predicate_field] = []
self.fields[active_predicate_field].append(solr_value)
if item_type_found:
active_predicate_field = self._convert_slug_to_solr(
prefix_ptype) + '___pred_id'
def make_reconcilation_json(self, search_term, geojson_ld):
""" takes the geojson_ld and
makes a reconcilation json
output
"""
recon_json = False
if isinstance(geojson_ld, dict):
self.geojson_ld = geojson_ld
recon_json = []
if 'oc-api:has-facets' in geojson_ld:
facets = geojson_ld['oc-api:has-facets']
for facet in facets:
if 'oc-api:has-id-options' in facet:
max_count = 0
for facet_value in facet['oc-api:has-id-options']:
if facet_value['count'] > max_count:
max_count = facet_value['count']
id_ranks = {}
for facet_value in facet['oc-api:has-id-options']:
id_uri = facet_value['rdfs:isDefinedBy']
lr = LinkRecursion()
lr.get_entity_children(id_uri)
if len(lr.child_entities) > 0:
levels = len(lr.child_entities) + 1
else:
levels = 1
# calculate a ranking for items, with more specific (fewer children)
# categories ranked higher
rank = (facet_value['count'] / levels) / max_count
match_count = self.count_label_matches(search_term, id_uri)
rank = rank + (match_count / levels)
id_ranks[id_uri] = rank
sorted_ids = sorted(id_ranks.items(), key=operator.itemgetter(1), reverse=True)
for id_key, rank in sorted_ids:
if len(recon_json) < 5:
for facet_value in facet['oc-api:has-id-options']:
if facet_value['rdfs:isDefinedBy'] == id_key:
rank_item =LastUpdatedOrderedDict()
rank_item['id'] = id_key
rank_item['label'] = facet_value['label']
rank_item['rank'] = rank
rank_item['related-labels'] = self.get_related_labels(id_key, True)
recon_json.append(rank_item)
break
else:
break
return recon_json
def get_numeric_range_from_children(self, predicate_uuids):
""" gets numeric range from a list of predicates
OR their children
"""
if not isinstance(predicate_uuids, list):
predicate_uuids = [str(predicate_uuids)]
all_preds = []
for predicate_uuid in predicate_uuids:
all_preds.append(predicate_uuid)
lr = LinkRecursion()
lr.get_entity_children(predicate_uuid)
for child_uuid_key, val in lr.child_entities.items():
if child_uuid_key not in all_preds:
all_preds.append(child_uuid_key)
# now get the summary, but don't allow recursive looking at children
output = self.get_numeric_range(all_preds, False)
return output
def get_numeric_range_from_children(self, predicate_uuids):
""" gets numeric range from a list of predicates
OR their children
"""
if not isinstance(predicate_uuids, list):
predicate_uuids = [str(predicate_uuids)]
all_preds = []
for predicate_uuid in predicate_uuids:
all_preds.append(predicate_uuid)
lr = LinkRecursion()
lr.get_entity_children(predicate_uuid)
for child_uuid_key, val in lr.child_entities.items():
if child_uuid_key not in all_preds:
all_preds.append(child_uuid_key)
# now get the summary, but don't allow recursive looking at children
output = self.get_numeric_range(all_preds, False)
return output
def get_new_hierarchic_types(self, revision_date):
""" Gets a list of types items revised after a date with
the default delimiter for hierachy, but no superior
concept
"""
rdate = datetime.strptime(revision_date, '%Y-%m-%d')
new_hierarchic_list = []
hi_types = Manifest.objects.filter(item_type='types',
label__contains=self.HIERARCHY_DELIM,
revised__gte=rdate)
if(len(hi_types) > 0):
for hi_type in hi_types:
lr = LinkRecursion()
lr.get_entity_parents(hi_type.uuid)
if(len(lr.parent_entities) < 1):
# no superior parents found
new_hierarchic_list.append(hi_type)
return new_hierarchic_list
def make_root_entity_list(self, entity_list):
""" makes a list of entities that
are not children of other items in the hierarchy
"""
root_entities = []
for act_ent in entity_list:
lr = LinkRecursion()
parents = lr.get_jsonldish_entity_parents(act_ent.uri, False)
if parents is False:
ent_dict = LastUpdatedOrderedDict()
ent_dict['id'] = act_ent.uri
ent_dict['label'] = act_ent.label
ent_dict['slug'] = act_ent.slug
ent_dict['href'] = self.make_local_url(act_ent.uri)
ent_dict['children'] = self.get_uri_children(act_ent.uri)
if len(ent_dict['children']) > 0:
ent_dict['more'] = True
root_entities.append(ent_dict)
return root_entities
def get_new_hierarchic_types(self, revision_date):
""" Gets a list of types items revised after a date with
the default delimiter for hierachy, but no superior
concept
"""
rdate = datetime.strptime(revision_date, '%Y-%m-%d')
new_hierarchic_list = []
hi_types = Manifest.objects.filter(
item_type='types',
label__contains=self.HIERARCHY_DELIM,
revised__gte=rdate)
if (len(hi_types) > 0):
for hi_type in hi_types:
lr = LinkRecursion()
lr.get_entity_parents(hi_type.uuid)
if (len(lr.parent_entities) < 1):
# no superior parents found
new_hierarchic_list.append(hi_type)
return new_hierarchic_list
def make_root_entity_list(self, entity_list):
""" makes a list of entities that
are not children of other items in the hierarchy
"""
root_entities = []
for act_ent in entity_list:
lr = LinkRecursion()
parents = lr.get_jsonldish_entity_parents(act_ent.uri, False)
if parents is False:
ent_dict = LastUpdatedOrderedDict()
ent_dict['id'] = act_ent.uri
ent_dict['label'] = act_ent.label
ent_dict['slug'] = act_ent.slug
ent_dict['href'] = self.make_local_url(act_ent.uri)
ent_dict['children'] = self.get_uri_children(act_ent.uri)
if len(ent_dict['children']) > 0:
ent_dict['more'] = True;
root_entities.append(ent_dict)
return root_entities
def validate_make_eol_hierarchy(self, child_uri, parent_uri):
""" Validated hierarchy relations for EOL entities.
If a child already has a parent, this will not do anything
otherwise it will create a hierachy relation
"""
ok_create = False
le_gen = LinkEntityGeneration()
child_uri = le_gen.make_clean_uri(
child_uri) # strip off any cruft in the URI
parent_uri = le_gen.make_clean_uri(parent_uri)
ent = Entity()
found = ent.dereference(child_uri)
if found:
lr = LinkRecursion()
parents = lr.get_jsonldish_entity_parents(child_uri, False)
if parents is False:
# no parents, so OK to make an assertion
ok_create = True
else:
if len(parents) == 0:
# no parents, so OK to make an assertion
ok_create = True
else:
ok_create = True # the child does not yet exist, so OK to make the relation
print('Getting missing data for: ' + child_uri)
self.get_save_entity_label(child_uri)
if ok_create:
print('OK, make rel for: ' + child_uri + ' in ' + parent_uri)
la = LinkAnnotation()
la.subject = child_uri
la.subject_type = 'uri'
la.project_uuid = '0'
la.source_id = 'manual-eol-manage'
la.predicate_uri = self.CHILD_PARENT_REL
la.object_uri = parent_uri
la.sort = 1
la.save()
else:
print('Already in hierarchy: ' + child_uri)
def get_entity_item_children_list(item, recursive=False):
"""Gets a list of children item dicts for an item entity object
:param entity item: See the apps/entity/models entity object for a
definition.
"""
use_id = item.slug
if getattr(item, 'uuid', None):
# Use the UUID for an item if we have it to look up parents.
use_id = item.uuid
item_children = LinkRecursion().get_entity_children(use_id,
recursive=recursive)
return item_children
def validate_make_eol_hierarchy(self, child_uri, parent_uri):
""" Validated hierarchy relations for EOL entities.
If a child already has a parent, this will not do anything
otherwise it will create a hierachy relation
"""
ok_create = False
le_gen = LinkEntityGeneration()
child_uri = le_gen.make_clean_uri(child_uri) # strip off any cruft in the URI
parent_uri = le_gen.make_clean_uri(parent_uri)
ent = Entity()
found = ent.dereference(child_uri)
if found:
lr = LinkRecursion()
parents = lr.get_jsonldish_entity_parents(child_uri, False)
if parents is False:
# no parents, so OK to make an assertion
ok_create = True
else:
if len(parents) == 0:
# no parents, so OK to make an assertion
ok_create = True
else:
ok_create = True # the child does not yet exist, so OK to make the relation
print('Getting missing data for: ' + child_uri)
self.get_save_entity_label(child_uri)
if ok_create:
print('OK, make rel for: ' + child_uri + ' in ' + parent_uri)
la = LinkAnnotation()
la.subject = child_uri
la.subject_type = 'uri'
la.project_uuid = '0'
la.source_id = 'manual-eol-manage'
la.predicate_uri = self.CHILD_PARENT_REL
la.object_uri = parent_uri
la.sort = 1
la.save()
else:
print('Already in hierarchy: ' + child_uri)
def save_sort(self,
predicate_uri='http://purl.org/ontology/olo/core#index'):
""" Saves sort order """
data_indexes = False
if (self.graph is not False and self.vocabulary_uri is not False):
data_indexes = {}
index_pred = URIRef(predicate_uri)
for s, p, o in self.graph.triples((None, index_pred, None)):
subject_uri = s.__str__(
) # get the URI of the subject as a string
index = o.__str__() # get the URI of the object as a string
data_indexes[subject_uri] = int(float(index)) + 1 # add 1
# so first child does not have the exact same index as the first parent.
if (len(data_indexes) > 0):
for subject_uri, index in data_indexes.items():
print('Sorting: ' + subject_uri)
sort_strings = []
parents = LinkRecursion().get_jsonldish_entity_parents(
subject_uri)
for parent in parents:
if parent['id'] in data_indexes:
parent_index = data_indexes[parent['id']]
else:
parent_index = 0
parent_sort = self.sort_digits(parent_index)
sort_strings.append(parent_sort)
while len(sort_strings) < self.SORT_HIERARCHY_DEPTH:
deep_sort = self.sort_digits(0)
sort_strings.append(deep_sort)
sort = '-'.join(sort_strings)
try:
le = LinkEntity.objects.get(uri=subject_uri)
except LinkEntity.DoesNotExist:
le = False
if le is not False:
le.sort = sort
le.save()
return data_indexes
def _process_predicate_values(self, predicate_slug, predicate_type):
# First generate the solr field name
solr_field_name = self._convert_slug_to_solr(
predicate_slug +
self._get_predicate_type_string(
predicate_type, prefix='___pred_')
)
# Then get the predicate values
if solr_field_name not in self.fields:
self.fields[solr_field_name] = []
if self.oc_item.item_type == 'media' \
or self.oc_item.item_type == 'documents':
# we want to make joins easier for these types of items
make_join_ids = True
else:
make_join_ids = False
predicate_key = 'oc-pred:' + predicate_slug
for obs_list in self.oc_item.json_ld['oc-gen:has-obs']:
if predicate_key in obs_list:
predicate_values = obs_list[predicate_key]
for value in predicate_values:
if predicate_type == '@id':
if make_join_ids and 'subjects' in value['id']:
# case where we want to make a join field to link
# associated subjects items with media or document
# items allows join relationships between
# 'join___pred_id' and 'uuid' solr fields.
if 'join___pred_id' not in self.fields:
self.fields['join___pred_id'] = []
# get subjects UUID from the URI
sub_uuid = URImanagement.get_uuid_from_oc_uri(
value['id']
)
# append to the solr field for joins
self.fields['join___pred_id'].append(sub_uuid)
if predicate_slug != 'link':
active_solr_field = solr_field_name
parents = LinkRecursion(
).get_jsonldish_entity_parents(
value['id']
)
all_obj_solr_field = 'obj_all___' + active_solr_field
if all_obj_solr_field not in self.fields:
self.fields[all_obj_solr_field] = []
for parent in parents:
if active_solr_field not in self.fields:
self.fields[active_solr_field] = []
active_solr_value = \
self._concat_solr_string_value(
parent['slug'],
self._get_predicate_type_string(
parent['type']),
parent['id'],
parent['label']
)
self.fields['text'] += ' ' + \
parent['label'] + ' '
self.fields[active_solr_field].append(
active_solr_value
)
# so all items in the hiearchy are present in the
# and can be queried, even if you don't know the parent
self.fields[all_obj_solr_field].append(
active_solr_value
)
active_solr_field = self._convert_slug_to_solr(
parent['slug']) + '___' + solr_field_name
else:
# case of a linking relation, don't bother looking
# up hierarchies or recording as a solr field, but
# check for image, other media, and document counts
if 'media' in value['id'] \
and 'image' in value['type']:
self.fields['image_media_count'] += 1
elif 'media' in value['id'] \
and 'image' not in value['type']:
# other types of media
self.fields['other_binary_media_count'] += 1
elif 'documents' in value['id']:
self.fields['document_count'] += 1
self.fields['text'] += value['label'] + ' '
elif predicate_type in [
'xsd:integer', 'xsd:double', 'xsd:boolean'
]:
self.fields[solr_field_name].append(value)
elif predicate_type == 'xsd:date':
self.fields[solr_field_name].append(value +
'T00:00:00Z')
elif predicate_type == 'xsd:string':
self.fields['text'] += value['xsd:string'] + ' \n'
self.fields[solr_field_name].append(
value['xsd:string'])
else:
raise Exception("Error: Could not get predicate value")
self.fields['text'] += ' \n'
def get_parents(self, identifier):
""" Gets SKOS or OWL parents for an entity """
parents = LinkRecursion().get_jsonldish_entity_parents(identifier)
def process_prop(self, props):
""" processes 'prop' (property) parameters
property parameters are tricky because they
can come in hierarchies
that's why there's some complexity to this
"""
# is the property for the item itself, or for a related item?
query_dict = {'fq': [],
'facet.field': [],
'stats.field': [],
'prequery-stats': [],
'facet.range': [],
'hl-queries': [],
'ranges': {}}
fq_terms = []
prop_path_lists = self.expand_hierarchy_options(props)
for prop_path_list in prop_path_lists:
i = 0
path_list_len = len(prop_path_list)
fq_path_terms = []
act_field_fq = SolrDocument.ROOT_PREDICATE_SOLR
act_field_data_type = 'id'
last_field_label = False # needed for full text highlighting
predicate_solr_slug = False
for prop_slug in prop_path_list:
field_prefix = self.get_related_slug_field_prefix(prop_slug)
solr_f_prefix = field_prefix.replace('-', '_')
db_prop_slug = self.clean_related_slug(prop_slug)
l_prop_entity = False
pred_prop_entity = False
require_id_field = False
if act_field_data_type == 'id':
# check entity exists, and save to memory
found = self.mem_cache_obj.check_entity_found(db_prop_slug, False)
if found:
entity = self.mem_cache_obj.get_entity(db_prop_slug, False)
last_field_label = entity.label
prop_slug = field_prefix + entity.slug
if entity.item_type == 'uri' and 'oc-gen' not in db_prop_slug:
if entity.entity_type == 'property':
pred_prop_entity = True
predicate_solr_slug = prop_slug.replace('-', '_')
l_prop_entity = True
children = self.mem_cache_obj.get_entity_children(entity.uri)
if len(children) > 0:
# ok, this field has children. require it
# to be treated as an ID field
require_id_field = True
else:
if entity.item_type == 'predicates':
pred_prop_entity = True
predicate_solr_slug = prop_slug.replace('-', '_')
children = self.mem_cache_obj.get_entity_children(entity.uri)
if len(children) > 0:
# ok, this field has children. require it
# to be treated as an ID field
require_id_field = True
if i == 0:
if 'oc-gen' in db_prop_slug:
# for open context categories / types
act_field_fq = self.get_parent_item_type_facet_field(entity.uri)
lr = LinkRecursion()
parents = lr.get_jsonldish_entity_parents(entity.uri)
if len(parents) > 1:
try:
p_slug = parents[-2]['slug']
act_field_fq = p_slug.replace('-', '_') + '___pred_id'
act_field_fq = self.correct_solr_prefix_for_fq(solr_f_prefix, act_field_fq)
except:
pass
elif entity.item_type == 'uri':
act_field_fq = SolrDocument.ROOT_LINK_DATA_SOLR
elif entity.item_type == 'predicates':
temp_field_fq = self.get_parent_item_type_facet_field(entity.uri)
parents = self.mem_cache_obj.get_jsonldish_entity_parents(entity.uri)
if len(parents) > 1:
try:
p_slug = parents[-2]['slug']
temp_field_fq = p_slug.replace('-', '_') + '___pred_id'
except:
print('Predicate Parent exception: '+ str(parents))
temp_field_fq = False
if temp_field_fq is not False:
act_field_fq = temp_field_fq
else:
act_field_fq = SolrDocument.ROOT_PREDICATE_SOLR
else:
act_field_fq = SolrDocument.ROOT_PREDICATE_SOLR
# ---------------------------------------------------
# THIS PART BUILDS THE FACET-QUERY
# fq_path_term = fq_field + ':' + self.make_solr_value_from_entity(entity)
# the below is a bit of a hack. We should have a query field
# as with ___pred_ to query just the slug. But this works for now
fq_field = act_field_fq + '_fq'
if path_list_len >= 2 and act_field_data_type == 'id':
# could be an object deeper in the hierarchy, so allow the obj_all version
fq_path_term = '(' + fq_field + ':' + prop_slug
fq_path_term += ' OR obj_all___' + fq_field + ':' + prop_slug + ')'
else:
fq_path_term = fq_field + ':' + prop_slug
fq_path_terms.append(fq_path_term)
#---------------------------------------------------
#
#---------------------------------------------------
# THIS PART PREPARES FOR LOOPING OR FINAL FACET-FIELDS
#
# print('pred-solr-slug: ' + predicate_solr_slug)
field_parts = self.make_prop_solr_field_parts(entity)
act_field_data_type = field_parts['suffix']
if require_id_field:
act_field_data_type = 'id'
field_parts['suffix'] = 'id'
# check if the last or penultimate field has
# a different data-type (for linked-data)
if i >= (path_list_len - 2) \
and l_prop_entity:
dtypes = self.mem_cache_obj.get_dtypes(entity.uri)
if isinstance(dtypes, list):
# set te data type and the act-field
found = self.mem_cache_obj.check_entity_found(db_prop_slug, False)
if found:
entity = self.mem_cache_obj.get_entity(db_prop_slug, False)
entity.date_type = dtypes[0] # store for later use
self.mem_cache_obj.entities[db_prop_slug] = entity # store for later use
act_field_data_type = self.get_solr_field_type(dtypes[0])
if predicate_solr_slug is False or pred_prop_entity:
act_field_fq = field_parts['prefix'] + '___pred_' + field_parts['suffix']
act_field_fq = self.correct_solr_prefix_for_fq(solr_f_prefix, act_field_fq)
# get a facet on this field
if act_field_data_type != 'string':
# adds a prefix for related properties
ffield = solr_f_prefix + field_parts['prefix'] + '___pred_' + field_parts['suffix']
if ffield not in query_dict['facet.field'] \
and i >= (path_list_len - 1):
query_dict['facet.field'].append(ffield)
else:
if act_field_data_type == 'id':
act_field_fq = 'obj_all___' + predicate_solr_slug \
+ '___pred_' + field_parts['suffix']
# get a facet on this field
if predicate_solr_slug != field_parts['prefix']:
# the predicate_solr_slug is not the
# prefix of the current field part, meaning
# the field_parts[prefix] is the type, and
# we want facets for the predicate -> type
ffield = field_parts['prefix'] \
+ '___' \
+ predicate_solr_slug \
+ '___pred_' + field_parts['suffix']
else:
# get facets for the predicate
ffield = field_parts['prefix'] \
+ '___pred_' \
+ field_parts['suffix']
# adds a prefix, in case of a related property
ffield = solr_f_prefix + ffield
if ffield not in query_dict['facet.field'] \
and i >= (path_list_len - 1):
query_dict['facet.field'].append(ffield)
else:
act_field_fq = predicate_solr_slug + '___pred_' + field_parts['suffix']
# -------------------------------------------
if act_field_data_type == 'numeric':
# print('Numeric field: ' + act_field)
act_field_fq = field_parts['prefix'] + '___pred_numeric'
act_field_fq = self.correct_solr_prefix_for_fq(solr_f_prefix, act_field_fq)
query_dict = self.add_math_facet_ranges(query_dict,
act_field_fq,
entity)
elif act_field_data_type == 'date':
# print('Date field: ' + act_field)
act_field_fq = field_parts['prefix'] + '___pred_date'
act_field_fq = self.correct_solr_prefix_for_fq(solr_f_prefix, act_field_fq)
query_dict = self.add_date_facet_ranges(query_dict,
act_field_fq,
entity)
# print('Current data type (' + str(i) + '): ' + act_field_data_type)
# print('Current field (' + str(i) + '): ' + act_field_fq)
i += 1
elif act_field_data_type == 'string':
# case for a text search
# last_field_label = False # turn off using the field label for highlighting
string_terms = self.prep_string_search_term(prop_slug)
for escaped_term in string_terms:
search_term = act_field_fq + ':' + escaped_term
if last_field_label is False:
query_dict['hl-queries'].append(escaped_term)
else:
query_dict['hl-queries'].append(last_field_label + ' ' + escaped_term)
fq_path_terms.append(search_term)
elif act_field_data_type == 'numeric':
# numeric search. assume it's well formed solr numeric request
search_term = act_field_fq + ':' + prop_slug
fq_path_terms.append(search_term)
# now limit the numeric ranges from query to the range facets
query_dict = self.add_math_facet_ranges(query_dict,
act_field_fq,
False,
prop_slug)
elif act_field_data_type == 'date':
# date search. assume it's well formed solr request
search_term = act_field_fq + ':' + prop_slug
fq_path_terms.append(search_term)
# now limit the date ranges from query to the range facets
query_dict = self.add_date_facet_ranges(query_dict,
act_field_fq,
False,
prop_slug)
final_path_term = ' AND '.join(fq_path_terms)
final_path_term = '(' + final_path_term + ')'
fq_terms.append(final_path_term)
fq_final = ' OR '.join(fq_terms)
fq_final = '(' + fq_final + ')'
query_dict['fq'].append(fq_final)
return query_dict
def _process_predicates(self):
# Get list of predicates
predicates = (item for item in self.oc_item.json_ld[
'@context'][1].items() if item[0].startswith('oc-pred:'))
# We need a list for "root___pred_id" because it is multi-valued
self.fields[self.ROOT_PREDICATE_SOLR] = []
for predicate in predicates:
# We need the predicate's uuid to get its parents
predicate_uuid = predicate[1]['owl:sameAs'].split('/')[-1]
predicate_type = predicate[1]['type']
parents = LinkRecursion(
).get_jsonldish_entity_parents(predicate_uuid)
# Process parents
link_predicate = False # link predicates get special treatment
for index, parent in enumerate(parents):
if parent['slug'] == 'link':
link_predicate = True
else:
# add the label of the variable to the text field
self.fields['text'] += ' ' + parent['label'] + ' '
# Treat the first parent in a special way
if index == 0:
if link_predicate is False:
self.fields[self.ROOT_PREDICATE_SOLR].append(
self._concat_solr_string_value(
parent['slug'],
self._get_predicate_type_string(
parent['type']),
parent['id'],
parent['label']
)
)
# If it's the only item, process its predicate values
if len(parents) == 1:
self._process_predicate_values(
parent['slug'],
predicate_type
)
else:
# Process additional items
# Create solr field name using parent slug
solr_field_name = \
parents[index - 1]['slug'] + '___pred_id'
solr_field_name = self._convert_slug_to_solr(
solr_field_name
)
if link_predicate is False:
if solr_field_name not in self.fields:
self.fields[solr_field_name] = []
# Add slug and label as json values
self.fields[solr_field_name].append(
self._concat_solr_string_value(
parent['slug'],
self._get_predicate_type_string(
parent['type']),
parent['id'],
parent['label'])
)
# If this is the last item, process the predicate values
if index == len(parents) - 1:
self._process_predicate_values(
parent['slug'],
predicate_type)
def process_prop(self, props):
""" processes 'prop' (property) parameters
property parameters are tricky because they
can come in hierarchies
that's why there's some complexity to this
"""
# is the property for the item itself, or for a related item?
query_dict = {'fq': [],
'facet.field': [],
'stats.field': [],
'prequery-stats': [],
'facet.range': [],
'hl-queries': [],
'ranges': {}}
fq_terms = []
prop_path_lists = self.expand_hierarchy_options(props)
for prop_path_list in prop_path_lists:
i = 0
path_list_len = len(prop_path_list)
fq_path_terms = []
act_field_fq = SolrDocument.ROOT_PREDICATE_SOLR
act_field_data_type = 'id'
last_field_label = False # needed for full text highlighting
predicate_solr_slug = False
for prop_slug in prop_path_list:
field_prefix = self.get_related_slug_field_prefix(prop_slug)
solr_f_prefix = field_prefix.replace('-', '_')
db_prop_slug = self.clean_related_slug(prop_slug)
l_prop_entity = False
pred_prop_entity = False
require_id_field = False
if act_field_data_type == 'id':
# check entity exists, and save to memory
entity = self.m_cache.get_entity(db_prop_slug)
if entity:
last_field_label = entity.label
prop_slug = field_prefix + entity.slug
if entity.item_type == 'uri' and not db_prop_slug.startswith('oc-gen'):
if entity.entity_type == 'property':
pred_prop_entity = True
predicate_solr_slug = prop_slug.replace('-', '_')
l_prop_entity = True
children = LinkRecursion().get_entity_children(entity.uri)
if len(children) > 0:
# ok, this field has children. require it
# to be treated as an ID field
require_id_field = True
else:
if entity.item_type == 'predicates':
pred_prop_entity = True
predicate_solr_slug = prop_slug.replace('-', '_')
children = LinkRecursion().get_entity_children(entity.uri)
if len(children) > 0:
# ok, this field has children. require it
# to be treated as an ID field
require_id_field = True
if i == 0:
if db_prop_slug.startswith('oc-gen'):
# for open context categories / types
act_field_fq = self.get_parent_item_type_facet_field(entity.uri)
lr = LinkRecursion()
parents = lr.get_jsonldish_entity_parents(entity.uri)
if len(parents) > 1:
try:
p_slug = parents[-2]['slug']
act_field_fq = p_slug.replace('-', '_') + '___pred_id'
act_field_fq = self.correct_solr_prefix_for_fq(solr_f_prefix, act_field_fq)
except:
pass
print('Predicate Parent exception: '+ str(parents))
elif entity.item_type == 'uri':
act_field_fq = SolrDocument.ROOT_LINK_DATA_SOLR
elif entity.item_type == 'predicates':
temp_field_fq = self.get_parent_item_type_facet_field(entity.uri)
lr = LinkRecursion()
parents = lr.get_jsonldish_entity_parents(entity.uri)
if len(parents) > 1:
try:
p_slug = parents[-2]['slug']
temp_field_fq = p_slug.replace('-', '_') + '___pred_id'
except:
print('Predicate Parent exception: '+ str(parents))
temp_field_fq = False
if temp_field_fq is not False:
act_field_fq = temp_field_fq
else:
act_field_fq = SolrDocument.ROOT_PREDICATE_SOLR
else:
act_field_fq = SolrDocument.ROOT_PREDICATE_SOLR
# ---------------------------------------------------
# THIS PART BUILDS THE FACET-QUERY
# fq_path_term = fq_field + ':' + self.make_solr_value_from_entity(entity)
# the below is a bit of a hack. We should have a query field
# as with ___pred_ to query just the slug. But this works for now
fq_field = act_field_fq + '_fq'
if path_list_len >= 2 and act_field_data_type == 'id':
# could be an object deeper in the hierarchy, so allow the obj_all version
fq_path_term = '(' + fq_field + ':' + prop_slug
fq_path_term += ' OR obj_all___' + fq_field + ':' + prop_slug + ')'
else:
fq_path_term = fq_field + ':' + prop_slug
fq_path_terms.append(fq_path_term)
#---------------------------------------------------
#
#---------------------------------------------------
# THIS PART PREPARES FOR LOOPING OR FINAL FACET-FIELDS
#
# print('pred-solr-slug: ' + predicate_solr_slug)
field_parts = self.make_prop_solr_field_parts(entity)
act_field_data_type = field_parts['suffix']
if require_id_field:
act_field_data_type = 'id'
field_parts['suffix'] = 'id'
# check if the last or penultimate field has
# a different data-type (for linked-data)
if i >= (path_list_len - 2) \
and l_prop_entity:
dtypes = self.s_cache.get_dtypes(entity.uri)
if isinstance(dtypes, list):
# set the data type and the act-field
act_field_data_type = self.get_solr_field_type(dtypes[0])
if not predicate_solr_slug or pred_prop_entity:
act_field_fq = field_parts['prefix'] + '___pred_' + field_parts['suffix']
act_field_fq = self.correct_solr_prefix_for_fq(solr_f_prefix, act_field_fq)
# get a facet on this field
if act_field_data_type != 'string':
# adds a prefix for related properties
ffield = solr_f_prefix + field_parts['prefix'] + '___pred_' + field_parts['suffix']
if ffield not in query_dict['facet.field'] and \
i >= (path_list_len - 1):
query_dict['facet.field'].append(ffield)
else:
if act_field_data_type == 'id':
act_field_fq = 'obj_all___' + predicate_solr_slug \
+ '___pred_' + field_parts['suffix']
# get a facet on this field
if predicate_solr_slug != field_parts['prefix']:
# the predicate_solr_slug is not the
# prefix of the current field part, meaning
# the field_parts[prefix] is the type, and
# we want facets for the predicate -> type
ffield = field_parts['prefix'] \
+ '___' \
+ predicate_solr_slug \
+ '___pred_' + field_parts['suffix']
else:
# get facets for the predicate
ffield = field_parts['prefix'] \
+ '___pred_' \
+ field_parts['suffix']
# adds a prefix, in case of a related property
ffield = solr_f_prefix + ffield
if ffield not in query_dict['facet.field'] \
and i >= (path_list_len - 1):
query_dict['facet.field'].append(ffield)
else:
act_field_fq = predicate_solr_slug + '___pred_' + field_parts['suffix']
# -------------------------------------------
if act_field_data_type == 'numeric':
# print('Numeric field: ' + act_field)
act_field_fq = field_parts['prefix'] + '___pred_numeric'
act_field_fq = self.correct_solr_prefix_for_fq(solr_f_prefix, act_field_fq)
query_dict = self.add_math_facet_ranges(query_dict,
act_field_fq,
entity)
elif act_field_data_type == 'date':
# print('Date field: ' + act_field)
act_field_fq = field_parts['prefix'] + '___pred_date'
act_field_fq = self.correct_solr_prefix_for_fq(solr_f_prefix, act_field_fq)
query_dict = self.add_date_facet_ranges(query_dict,
act_field_fq,
entity)
# print('Current data type (' + str(i) + '): ' + act_field_data_type)
# print('Current field (' + str(i) + '): ' + act_field_fq)
i += 1
elif act_field_data_type == 'string':
# case for a text search
# last_field_label = False # turn off using the field label for highlighting
string_terms = self.prep_string_search_term(prop_slug)
for escaped_term in string_terms:
search_term = act_field_fq + ':' + escaped_term
if last_field_label is False:
query_dict['hl-queries'].append(escaped_term)
else:
query_dict['hl-queries'].append(last_field_label + ' ' + escaped_term)
fq_path_terms.append(search_term)
elif act_field_data_type == 'numeric':
# numeric search. assume it's well formed solr numeric request
search_term = act_field_fq + ':' + prop_slug
fq_path_terms.append(search_term)
# now limit the numeric ranges from query to the range facets
query_dict = self.add_math_facet_ranges(query_dict,
act_field_fq,
False,
prop_slug)
elif act_field_data_type == 'date':
# date search. assume it's well formed solr request
search_term = act_field_fq + ':' + prop_slug
fq_path_terms.append(search_term)
# now limit the date ranges from query to the range facets
query_dict = self.add_date_facet_ranges(query_dict,
act_field_fq,
False,
prop_slug)
final_path_term = ' AND '.join(fq_path_terms)
final_path_term = '(' + final_path_term + ')'
fq_terms.append(final_path_term)
fq_final = ' OR '.join(fq_terms)
fq_final = '(' + fq_final + ')'
query_dict['fq'].append(fq_final)
return query_dict
def get_description_tree(self,
entity_obj,
depth=1,
first_time=True,
item_type=False,
class_uri=False):
""" gets a hierarchy for descriptive
predicates and types
"""
lr = LinkRecursion()
if entity_obj.item_type == 'projects':
tree = self.make_containment_item(entity_obj)
if item_type is not False and class_uri is False:
# returns the classes associated with an item_type for a project
tree['label'] = tree['label'] + ', ' + item_type
tree['children'] = self.get_proj_type_classes_items(entity_obj.uuid,
item_type)
elif item_type is not False and class_uri is not False:
# returns the predicates associated with an item_type and class_uri
tree['children'] = self.get_proj_type_class_preds(entity_obj.uuid,
item_type,
class_uri,
True)
else:
# project root, returns the item_types for the project
tree['children'] = self.get_proj_types(entity_obj.uuid)
if first_time:
output = []
output.append(tree)
else:
output = tree
elif entity_obj.item_type == 'predicates':
tree = self.make_containment_item(entity_obj)
tree['children'] = []
child_list = lr.get_entity_children(entity_obj.uuid, False)
if len(child_list) > 0:
for child_uuid in child_list:
child_ent = Entity()
found = child_ent.dereference(child_uuid)
if found:
if depth > 1:
child = self.get_containment_children(child_ent,
depth - 1,
False)
else:
child = self.make_containment_item(child_ent)
tree['children'].append(child)
elif entity_obj.data_type == 'id':
top_types = lr.get_pred_top_rank_types(entity_obj.uuid)
for top_type in top_types:
uri = top_type['id']
uuid = URImanagement.get_uuid_from_oc_uri(uri)
item = False
if depth > 1:
child_ent = Entity()
found = child_ent.dereference(uuid)
if found:
item = self.get_description_tree(child_ent,
depth - 1,
False)
else:
item = LastUpdatedOrderedDict()
item['id'] = uuid
item['label'] = top_type['label']
item['class_uri'] = 'type'
item['class_label'] = 'type'
tree['children'].append(item)
tree['children'] = self.sort_children_by_label(tree['children'])
else:
pass
if first_time:
output = []
output.append(tree)
else:
output = tree
elif entity_obj.item_type == 'types':
tree = self.make_containment_item(entity_obj)
tree['children'] = []
act_children = lr.get_entity_children(entity_obj.uuid, False)
for child_uuid in act_children:
if child_uuid != entity_obj.uuid:
child_ent = Entity()
found = child_ent.dereference(child_uuid)
if found:
if depth > 1:
child = self.get_description_tree(child_ent,
depth - 1,
False)
else:
child = self.make_containment_item(child_ent)
child['class_uri'] = 'type'
child['class_label'] = 'type'
tree['children'].append(child)
if len(tree['children']) == 0:
tree.pop('children', None)
else:
tree['children'] = self.sort_children_by_label(tree['children'])
if first_time:
output = []
output.append(tree)
else:
output = tree
else:
output = []
return output
def get_description_tree(self,
entity_obj,
depth=1,
first_time=True,
item_type=False,
class_uri=False):
""" gets a hierarchy for descriptive
predicates and types
"""
lr = LinkRecursion()
if entity_obj.item_type == 'projects':
tree = self.make_containment_item(entity_obj)
if item_type is not False and class_uri is False:
# returns the classes associated with an item_type for a project
tree['label'] = tree['label'] + ', ' + item_type
tree['children'] = self.get_proj_type_classes_items(
entity_obj.uuid, item_type)
elif item_type is not False and class_uri is not False:
# returns the predicates associated with an item_type and class_uri
tree['children'] = self.get_proj_type_class_preds(
entity_obj.uuid, item_type, class_uri, True)
else:
# project root, returns the item_types for the project
tree['children'] = self.get_proj_types(entity_obj.uuid)
if first_time:
output = []
output.append(tree)
else:
output = tree
elif entity_obj.item_type == 'predicates':
tree = self.make_containment_item(entity_obj)
tree['children'] = []
child_list = lr.get_entity_children(entity_obj.uuid, False)
if len(child_list) > 0:
for child_uuid in child_list:
child_ent = Entity()
found = child_ent.dereference(child_uuid)
if found:
if depth > 1:
child = self.get_containment_children(
child_ent, depth - 1, False)
else:
child = self.make_containment_item(child_ent)
tree['children'].append(child)
elif entity_obj.data_type == 'id':
top_types = lr.get_pred_top_rank_types(entity_obj.uuid)
for top_type in top_types:
uri = top_type['id']
uuid = URImanagement.get_uuid_from_oc_uri(uri)
item = False
if depth > 1:
child_ent = Entity()
found = child_ent.dereference(uuid)
if found:
item = self.get_description_tree(
child_ent, depth - 1, False)
else:
item = LastUpdatedOrderedDict()
item['id'] = uuid
item['label'] = top_type['label']
item['class_uri'] = 'type'
item['class_label'] = 'type'
tree['children'].append(item)
tree['children'] = self.sort_children_by_label(
tree['children'])
else:
pass
if first_time:
output = []
output.append(tree)
else:
output = tree
elif entity_obj.item_type == 'types':
tree = self.make_containment_item(entity_obj)
tree['children'] = []
act_children = lr.get_entity_children(entity_obj.uuid, False)
for child_uuid in act_children:
if child_uuid != entity_obj.uuid:
child_ent = Entity()
found = child_ent.dereference(child_uuid)
if found:
if depth > 1:
child = self.get_description_tree(
child_ent, depth - 1, False)
else:
child = self.make_containment_item(child_ent)
child['class_uri'] = 'type'
child['class_label'] = 'type'
tree['children'].append(child)
if len(tree['children']) == 0:
tree.pop('children', None)
else:
tree['children'] = self.sort_children_by_label(
tree['children'])
if first_time:
output = []
output.append(tree)
else:
output = tree
else:
output = []
return output
def _process_associated_linkedata(self):
""" Finds linked data to add to index
"""
if '@graph' in self.oc_item.json_ld:
for entity in self.oc_item.json_ld['@graph']:
entity_id = self.get_entity_id(entity)
if 'oc-pred:' in entity_id:
# a predicate with linked data
pred_slug_id = entity_id
pred_datatype = self.get_predicate_datatype(pred_slug_id)
pres_solr_datatype = self._get_predicate_type_string(pred_datatype)
obs_values = self.get_linked_predicate_values(pred_slug_id) # values for predicate in observations
for equiv_pred in self.LD_EQUIVALENT_PREDICATES:
if equiv_pred in entity:
# a semantic equivalence predicate exists for this oc-pred
for equiv_entity in entity[equiv_pred]:
equiv_id = self.get_entity_id(equiv_entity)
parents = LinkRecursion().get_jsonldish_entity_parents(equiv_id)
act_solr_field = self.ROOT_LINK_DATA_SOLR
last_index = len(parents) - 1
for index, parent in enumerate(parents):
if index == last_index:
# use the predicates solr-field type, which may be numeric, date, string, or ID
act_solr_datatype = pres_solr_datatype
else:
# use an id field type, since this is in a hierarchy that contains children
act_solr_datatype = 'id'
solr_value = self._concat_solr_string_value(parent['slug'],
act_solr_datatype,
parent['id'],
parent['label'])
if act_solr_field not in self.fields:
self.fields[act_solr_field] = []
self.fields[act_solr_field].append(solr_value)
last_linked_pred_label = parent['label']
last_linked_pred_uri = parent['id']
act_solr_field = \
self._convert_slug_to_solr(parent['slug'])\
+ '___pred_' \
+ act_solr_datatype
# since we ended the loop above by creating a solr field, let's make sure it's added to the solrdoc
self.fields['text'] += last_linked_pred_label + ': \n'
act_pred_root_act_solr_field = act_solr_field
if act_pred_root_act_solr_field not in self.fields:
self.fields[act_pred_root_act_solr_field] = []
# --------------------------------
# Now we handle the objects of this predicate!
# 1. obs_values come from the item's observations,
# 2. we treat literals differently than URI objects, since URI objects maybe in a hierarchy
# --------------------------------
if pred_datatype != '@id' and obs_values is not False:
# objects of this predicate are literals
for obs_val in obs_values:
if isinstance(obs_val, dict):
if pred_datatype in obs_val:
self.fields[act_pred_root_act_solr_field].append(obs_val[pred_datatype])
self.fields['text'] += obs_val[pred_datatype] + '\n'
else:
self.fields[act_pred_root_act_solr_field].append(obs_val)
self.fields['text'] += str(obs_val) + '\n'
else:
# objects of this predicate IDed by URIs
if obs_values is not False:
for obs_val in obs_values:
# gets the id for the observation object
obs_object_id = self.get_entity_id(obs_val)
# gets linked data equivalents of the obs-object-id
use_objects = self.get_equivalent_linked_data(obs_object_id)
if use_objects is False:
# no linked data equivalents found, so make a list w. 1 item
use_objects = [{'id': obs_object_id}]
for use_obj in use_objects:
# make sure the active solr field is reset to be from
# the last equivalent predicates. important if we're looping
# through multiple use_objects
last_object_uri = False
last_object_label = ''
act_solr_field = act_pred_root_act_solr_field
#-------------------------------
# Now make a solr field for ALL the objects (parents, childred)
# using this predicate
all_obj_solr_field = 'obj_all___' + act_pred_root_act_solr_field
if all_obj_solr_field not in self.fields:
self.fields[all_obj_solr_field] = []
# URI objects can be in hierarchies, look for these!
object_id = self.get_entity_id(use_obj)
parents = LinkRecursion().get_jsonldish_entity_parents(object_id)
for index, parent in enumerate(parents):
solr_value = self._concat_solr_string_value(parent['slug'],
'id',
parent['id'],
parent['label'])
last_object_uri = parent['id']
if act_solr_field not in self.fields:
self.fields[act_solr_field] = []
if parent['ld_object_ok']:
# only add this if it's OK for linked data use
# in presenting a facet
self.fields[act_solr_field].append(solr_value)
#-------------------------------
# This way, you don't need to know a parent to search
# for a child. Since facets aren't made with this,
# it's OK for on-linked-data-ok objects to be used
#-------------------------------
if solr_value not in self.fields[all_obj_solr_field]:
self.fields[all_obj_solr_field].append(solr_value)
if parent['id'] not in self.fields['text']:
self.fields['text'] += parent['id'] + ' '
self.fields['text'] += parent['label'] + '\n'
act_solr_field = \
self._convert_slug_to_solr(parent['slug']) \
+ '___' + act_pred_root_act_solr_field
if last_object_uri is not False:
self.process_object_uri(last_object_uri)