def append_instance_permission_filter_dsl(request, search_results_object):
if request.user.is_superuser is False:
has_access = Bool()
terms = Terms(field="permissions.users_with_no_access",
terms=[str(request.user.id)])
has_access.must_not(terms)
search_results_object["query"].add_query(has_access)
def append_dsl(self, search_results_object, permitted_nodegroups,
include_provisional):
nested_agg = NestedAgg(path="points", name="geo_aggs")
nested_agg_filter = FiltersAgg(name="inner")
geo_agg_filter = Bool()
if include_provisional is True:
geo_agg_filter.filter(
Terms(field="points.provisional", terms=["false", "true"]))
else:
if include_provisional is False:
geo_agg_filter.filter(
Terms(field="points.provisional", terms=["false"]))
elif include_provisional is "only provisional":
geo_agg_filter.filter(
Terms(field="points.provisional", terms=["true"]))
geo_agg_filter.filter(
Terms(field="points.nodegroup_id", terms=permitted_nodegroups))
nested_agg_filter.add_filter(geo_agg_filter)
nested_agg_filter.add_aggregation(
GeoHashGridAgg(field="points.point",
name="grid",
precision=settings.HEX_BIN_PRECISION))
nested_agg_filter.add_aggregation(
GeoBoundsAgg(field="points.point", name="bounds"))
nested_agg.add_aggregation(nested_agg_filter)
search_results_object["query"].add_aggregation(nested_agg)
def get_restricted_instances(user, search_engine=None, allresources=False):
if allresources is False and user.is_superuser is True:
return []
if allresources is True:
restricted_group_instances = {
perm["object_pk"]
for perm in GroupObjectPermission.objects.filter(permission__codename="no_access_to_resourceinstance").values("object_pk")
}
restricted_user_instances = {
perm["object_pk"]
for perm in UserObjectPermission.objects.filter(permission__codename="no_access_to_resourceinstance").values("object_pk")
}
all_restricted_instances = list(restricted_group_instances | restricted_user_instances)
return all_restricted_instances
else:
terms = Terms(field="permissions.users_with_no_access", terms=[str(user.id)])
query = Query(search_engine, start=0, limit=settings.SEARCH_RESULT_LIMIT)
has_access = Bool()
nested_term_filter = Nested(path="permissions", query=terms)
has_access.must(nested_term_filter)
query.add_query(has_access)
results = query.search(index=RESOURCES_INDEX, scroll="1m")
scroll_id = results["_scroll_id"]
total = results["hits"]["total"]["value"]
if total > settings.SEARCH_RESULT_LIMIT:
pages = total // settings.SEARCH_RESULT_LIMIT
for page in range(pages):
results_scrolled = query.se.es.scroll(scroll_id=scroll_id, scroll="1m")
results["hits"]["hits"] += results_scrolled["hits"]["hits"]
restricted_ids = [res["_id"] for res in results["hits"]["hits"]]
return restricted_ids
def delete(self, user={}, note=''):
"""
Deletes a single resource and any related indexed data
"""
se = SearchEngineFactory().create()
related_resources = self.get_related_resources(lang="en-US",
start=0,
limit=1000)
for rr in related_resources['resource_relationships']:
models.ResourceXResource.objects.get(pk=rr['resourcexid']).delete()
query = Query(se)
bool_query = Bool()
bool_query.filter(
Terms(field='resourceinstanceid', terms=[self.resourceinstanceid]))
query.add_query(bool_query)
results = query.search(index='strings',
doc_type='term')['hits']['hits']
for result in results:
se.delete(index='strings', doc_type='term', id=result['_id'])
se.delete(index='resource',
doc_type=str(self.graph_id),
id=self.resourceinstanceid)
self.save_edit(edit_type='delete')
super(Resource, self).delete()
def find_overlapping(request):
'''This function queries ES when called via Ajax when a new geometry is created in the Location tab. If pre-existing resources are found within the perimeter of the polygon (or the buffered zone around a point/line/polygon), an alert is raised.'''
geomString = request.GET.get('geom', '')
geom = GEOSGeometry(geomString, srid=4326)
mindistance = settings.METER_RADIUS
if not mindistance:
mindistance = 1000 # if settings.METER_RADIUS isn't set, default to 1Km
geom.transform(3857)
buffered_geom = geom.buffer(mindistance)
buffered_geom.transform(4326)
print geom, buffered_geom
se = SearchEngineFactory().create()
query = Query(se)
boolfilter = Bool()
geoshape = GeoShape(field='geometries.value',
type=buffered_geom.geom_type,
coordinates=buffered_geom.coords)
nested = Nested(path='geometries', query=geoshape)
boolfilter.must(nested)
query.add_filter(boolfilter)
results = query.search(index='entity', doc_type='')
overlaps = []
for hit in results['hits']['hits']:
overlaps.append({
'id': hit['_id'],
'type': hit['_type'],
'primaryname': hit['_source']['primaryname']
})
return JSONResponse(overlaps)
def delete(self, *args, **kwargs):
se = SearchEngineFactory().create()
request = kwargs.pop('request', None)
provisional_edit_log_details = kwargs.pop('provisional_edit_log_details', None)
for tile in self.tiles:
tile.delete(*args, request=request, **kwargs)
try:
user = request.user
user_is_reviewer = request.user.groups.filter(name='Resource Reviewer').exists()
except AttributeError: #no user
user = None
if user_is_reviewer is True or self.user_owns_provisional(user):
query = Query(se)
bool_query = Bool()
bool_query.filter(Terms(field='tileid', terms=[self.tileid]))
query.add_query(bool_query)
results = query.search(index='terms')['hits']['hits']
for result in results:
se.delete(index='terms', id=result['_id'])
self.__preDelete(request)
self.save_edit(
user=request.user,
edit_type='tile delete',
old_value=self.data,
provisional_edit_log_details=provisional_edit_log_details)
super(Tile, self).delete(*args, **kwargs)
resource = Resource.objects.get(resourceinstanceid=self.resourceinstance.resourceinstanceid)
resource.index()
else:
self.apply_provisional_edit(user, data={}, action='delete')
super(Tile, self).save(*args, **kwargs)
def search_terms(request):
lang = request.GET.get('lang', settings.LANGUAGE_CODE)
se = SearchEngineFactory().create()
searchString = request.GET.get('q', '')
user_is_reviewer = request.user.groups.filter(name='Resource Reviewer').exists()
i = 0
ret = {}
for index in ['terms', 'concepts']:
query = Query(se, start=0, limit=0)
boolquery = Bool()
boolquery.should(Match(field='value', query=searchString.lower(), type='phrase_prefix'))
boolquery.should(Match(field='value.folded', query=searchString.lower(), type='phrase_prefix'))
boolquery.should(Match(field='value.folded', query=searchString.lower(), fuzziness='AUTO', prefix_length=settings.SEARCH_TERM_SENSITIVITY))
if user_is_reviewer is False and index == 'terms':
boolquery.filter(Terms(field='provisional', terms=['false']))
query.add_query(boolquery)
base_agg = Aggregation(name='value_agg', type='terms', field='value.raw', size=settings.SEARCH_DROPDOWN_LENGTH, order={"max_score": "desc"})
nodegroupid_agg = Aggregation(name='nodegroupid', type='terms', field='nodegroupid')
top_concept_agg = Aggregation(name='top_concept', type='terms', field='top_concept')
conceptid_agg = Aggregation(name='conceptid', type='terms', field='conceptid')
max_score_agg = MaxAgg(name='max_score', script='_score')
top_concept_agg.add_aggregation(conceptid_agg)
base_agg.add_aggregation(max_score_agg)
base_agg.add_aggregation(top_concept_agg)
base_agg.add_aggregation(nodegroupid_agg)
query.add_aggregation(base_agg)
ret[index] = []
results = query.search(index=index)
for result in results['aggregations']['value_agg']['buckets']:
if len(result['top_concept']['buckets']) > 0:
for top_concept in result['top_concept']['buckets']:
top_concept_id = top_concept['key']
top_concept_label = get_preflabel_from_conceptid(top_concept['key'], lang)['value']
for concept in top_concept['conceptid']['buckets']:
ret[index].append({
'type': 'concept',
'context': top_concept_id,
'context_label': top_concept_label,
'id': i,
'text': result['key'],
'value': concept['key']
})
i = i + 1
else:
ret[index].append({
'type': 'term',
'context': '',
'context_label': get_resource_model_label(result),
'id': i,
'text': result['key'],
'value': result['key']
})
i = i + 1
return JSONResponse(ret)
def delete(self, *args, **kwargs):
se = SearchEngineFactory().create()
request = kwargs.pop("request", None)
provisional_edit_log_details = kwargs.pop("provisional_edit_log_details", None)
for tile in self.tiles:
tile.delete(*args, request=request, **kwargs)
try:
user = request.user
user_is_reviewer = user_is_resource_reviewer(user)
except AttributeError: # no user
user = None
user_is_reviewer = True
if user_is_reviewer is True or self.user_owns_provisional(user):
query = Query(se)
bool_query = Bool()
bool_query.filter(Terms(field="tileid", terms=[self.tileid]))
query.add_query(bool_query)
results = query.search(index="terms")["hits"]["hits"]
for result in results:
se.delete(index="terms", id=result["_id"])
self.__preDelete(request)
self.save_edit(
user=request.user, edit_type="tile delete", old_value=self.data, provisional_edit_log_details=provisional_edit_log_details
)
super(Tile, self).delete(*args, **kwargs)
resource = Resource.objects.get(resourceinstanceid=self.resourceinstance.resourceinstanceid)
resource.index()
else:
self.apply_provisional_edit(user, data={}, action="delete")
super(Tile, self).save(*args, **kwargs)
def append_dsl(self, search_results_object, permitted_nodegroups,
include_provisional):
nested_agg = NestedAgg(path='points', name='geo_aggs')
nested_agg_filter = FiltersAgg(name='inner')
geo_agg_filter = Bool()
if include_provisional is True:
geo_agg_filter.filter(
Terms(field='points.provisional', terms=['false', 'true']))
else:
if include_provisional is False:
geo_agg_filter.filter(
Terms(field='points.provisional', terms=['false']))
elif include_provisional is 'only provisional':
geo_agg_filter.filter(
Terms(field='points.provisional', terms=['true']))
geo_agg_filter.filter(
Terms(field='points.nodegroup_id', terms=permitted_nodegroups))
nested_agg_filter.add_filter(geo_agg_filter)
nested_agg_filter.add_aggregation(
GeoHashGridAgg(field='points.point',
name='grid',
precision=settings.HEX_BIN_PRECISION))
nested_agg_filter.add_aggregation(
GeoBoundsAgg(field='points.point', name='bounds'))
nested_agg.add_aggregation(nested_agg_filter)
search_results_object['query'].add_aggregation(nested_agg)
def get_preflabel_from_conceptid(conceptid, lang):
ret = None
default = {
"category": "",
"conceptid": "",
"language": "",
"value": "",
"type": "",
"id": ""
}
se = SearchEngineFactory().create()
query = Query(se)
bool_query = Bool()
bool_query.must(Match(field='type', query='prefLabel', type='phrase'))
bool_query.filter(Terms(field='conceptid', terms=[conceptid]))
query.add_query(bool_query)
preflabels = query.search(index='strings', doc_type='concept')['hits']['hits']
for preflabel in preflabels:
default = preflabel['_source']
# get the label in the preferred language, otherwise get the label in the default language
if preflabel['_source']['language'] == lang:
return preflabel['_source']
if preflabel['_source']['language'].split('-')[0] == lang.split('-')[0]:
ret = preflabel['_source']
if preflabel['_source']['language'] == settings.LANGUAGE_CODE and ret == None:
ret = preflabel['_source']
return default if ret == None else ret
def get_related_resources(self, lang='en-US', limit=1000, start=0):
"""
Returns an object that lists the related resources, the relationship types, and a reference to the current resource
"""
ret = {
'resource_instance': self,
'resource_relationships': [],
'related_resources': []
}
se = SearchEngineFactory().create()
query = Query(se, limit=limit, start=start)
bool_filter = Bool()
bool_filter.should(Terms(field='resourceinstanceidfrom', terms=self.resourceinstanceid))
bool_filter.should(Terms(field='resourceinstanceidto', terms=self.resourceinstanceid))
query.add_query(bool_filter)
resource_relations = query.search(index='resource_relations', doc_type='all')
ret['total'] = resource_relations['hits']['total']
instanceids = set()
for relation in resource_relations['hits']['hits']:
relation['_source']['preflabel'] = get_preflabel_from_valueid(relation['_source']['relationshiptype'], lang)
ret['resource_relationships'].append(relation['_source'])
instanceids.add(relation['_source']['resourceinstanceidto'])
instanceids.add(relation['_source']['resourceinstanceidfrom'])
if len(instanceids) > 0:
instanceids.remove(str(self.resourceinstanceid))
related_resources = se.search(index='resource', doc_type='_all', id=list(instanceids))
if related_resources:
for resource in related_resources['docs']:
ret['related_resources'].append(resource['_source'])
return ret
def get_relations(resourceinstanceid, start, limit):
query = Query(se, start=start, limit=limit)
bool_filter = Bool()
bool_filter.should(Terms(field='resourceinstanceidfrom', terms=resourceinstanceid))
bool_filter.should(Terms(field='resourceinstanceidto', terms=resourceinstanceid))
query.add_query(bool_filter)
return query.search(index='resource_relations', doc_type='all')
def delete(self, user={}, note=""):
"""
Deletes a single resource and any related indexed data
"""
permit_deletion = False
graph = models.GraphModel.objects.get(graphid=self.graph_id)
if graph.isactive is False:
message = _("This model is not yet active; unable to delete.")
raise ModelInactiveError(message)
if user != {}:
user_is_reviewer = user_is_resource_reviewer(user)
if user_is_reviewer is False:
tiles = list(models.TileModel.objects.filter(resourceinstance=self))
resource_is_provisional = True if sum([len(t.data) for t in tiles]) == 0 else False
if resource_is_provisional is True:
permit_deletion = True
else:
permit_deletion = True
else:
permit_deletion = True
if permit_deletion is True:
related_resources = self.get_related_resources(lang="en-US", start=0, limit=1000, page=0)
for rr in related_resources["resource_relationships"]:
# delete any related resource entries, also reindex the resource that references this resource that's being deleted
try:
resourceXresource = models.ResourceXResource.objects.get(pk=rr["resourcexid"])
resource_to_reindex = (
resourceXresource.resourceinstanceidfrom_id
if resourceXresource.resourceinstanceidto_id == self.resourceinstanceid
else resourceXresource.resourceinstanceidto_id
)
resourceXresource.delete(deletedResourceId=self.resourceinstanceid)
res = Resource.objects.get(pk=resource_to_reindex)
res.load_tiles()
res.index()
except ObjectDoesNotExist:
se.delete(index=RESOURCE_RELATIONS_INDEX, id=rr["resourcexid"])
query = Query(se)
bool_query = Bool()
bool_query.filter(Terms(field="resourceinstanceid", terms=[self.resourceinstanceid]))
query.add_query(bool_query)
results = query.search(index=TERMS_INDEX)["hits"]["hits"]
for result in results:
se.delete(index=TERMS_INDEX, id=result["_id"])
se.delete(index=RESOURCES_INDEX, id=self.resourceinstanceid)
try:
self.save_edit(edit_type="delete", user=user, note=self.displayname)
except:
pass
super(Resource, self).delete()
return permit_deletion
def search_terms(request):
lang = request.GET.get('lang', settings.LANGUAGE_CODE)
se = SearchEngineFactory().create()
searchString = request.GET.get('q', '')
query = Query(se, start=0, limit=0)
user_is_reviewer = request.user.groups.filter(name='Resource Reviewer').exists()
boolquery = Bool()
boolquery.should(Match(field='value', query=searchString.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery.should(Match(field='value.folded', query=searchString.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery.should(Match(field='value.folded', query=searchString.lower(), fuzziness='AUTO'))
if user_is_reviewer is False:
boolquery.filter(Terms(field='provisional', terms=['false']))
query.add_query(boolquery)
base_agg = Aggregation(name='value_agg', type='terms', field='value.raw', size=settings.SEARCH_DROPDOWN_LENGTH, order={"max_score": "desc"})
nodegroupid_agg = Aggregation(name='nodegroupid', type='terms', field='nodegroupid')
top_concept_agg = Aggregation(name='top_concept', type='terms', field='top_concept')
conceptid_agg = Aggregation(name='conceptid', type='terms', field='conceptid')
max_score_agg = MaxAgg(name='max_score', script='_score')
top_concept_agg.add_aggregation(conceptid_agg)
base_agg.add_aggregation(max_score_agg)
base_agg.add_aggregation(top_concept_agg)
base_agg.add_aggregation(nodegroupid_agg)
query.add_aggregation(base_agg)
results = query.search(index='strings') or {'hits': {'hits':[]}}
i = 0;
ret = []
for result in results['aggregations']['value_agg']['buckets']:
if len(result['top_concept']['buckets']) > 0:
for top_concept in result['top_concept']['buckets']:
top_concept_id = top_concept['key']
top_concept_label = get_preflabel_from_conceptid(top_concept['key'], lang)['value']
for concept in top_concept['conceptid']['buckets']:
ret.append({
'type': 'concept',
'context': top_concept_id,
'context_label': top_concept_label,
'id': i,
'text': result['key'],
'value': concept['key']
})
i = i + 1
else:
ret.append({
'type': 'term',
'context': '',
'context_label': get_resource_model_label(result),
'id': i,
'text': result['key'],
'value': result['key']
})
i = i + 1
return JSONResponse(ret)
def delete(self, user={}, note=''):
"""
Deletes a single resource and any related indexed data
"""
permit_deletion = False
graph = models.GraphModel.objects.get(graphid=self.graph_id)
if graph.isactive is False:
message = _('This model is not yet active; unable to delete.')
raise ModelInactiveError(message)
if user != {}:
user_is_reviewer = user.groups.filter(
name='Resource Reviewer').exists()
if user_is_reviewer is False:
tiles = list(
models.TileModel.objects.filter(resourceinstance=self))
resource_is_provisional = True if sum(
[len(t.data) for t in tiles]) == 0 else False
if resource_is_provisional is True:
permit_deletion = True
else:
permit_deletion = True
else:
permit_deletion = True
if permit_deletion is True:
se = SearchEngineFactory().create()
related_resources = self.get_related_resources(lang="en-US",
start=0,
limit=1000,
page=0)
for rr in related_resources['resource_relationships']:
models.ResourceXResource.objects.get(
pk=rr['resourcexid']).delete()
query = Query(se)
bool_query = Bool()
bool_query.filter(
Terms(field='resourceinstanceid',
terms=[self.resourceinstanceid]))
query.add_query(bool_query)
results = query.search(index='terms')['hits']['hits']
for result in results:
se.delete(index='terms', id=result['_id'])
se.delete(index='resources', id=self.resourceinstanceid)
self.save_edit(edit_type='delete',
user=user,
note=self.displayname)
super(Resource, self).delete()
return permit_deletion
def add_resourceid_filter_clause(self, graphid, user):
allowed = UserXResourceInstanceAccess.objects.filter(
user=user,
resource__graph_id=graphid,
)
resids = [str(i.resource.resourceinstanceid) for i in allowed]
new_resid_filter = Bool()
new_resid_filter.should(Terms(field='resourceinstanceid', terms=resids))
if self.existing_query:
self.paramount.should(new_resid_filter)
else:
self.paramount.must(new_resid_filter)
def get_auto_filter(request):
lang = request.GET.get('lang', settings.LANGUAGE_CODE)
se1 = SearchEngineFactory().create()
searchString1 = settings.PUBLISHED_LABEL
query1 = Query(se1, start=0, limit=settings.SEARCH_DROPDOWN_LENGTH)
boolquery1 = Bool()
boolquery1.should(Match(field='term', query=searchString1.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery1.should(Match(field='term.folded', query=searchString1.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery1.should(Match(field='term.folded', query=searchString1.lower(), fuzziness='AUTO'))
query1.add_query(boolquery1)
results1 = query1.search(index='term', doc_type='value')
conceptid1 = ''
context1 = ''
for result1 in results1['hits']['hits']:
prefLabel = get_preflabel_from_conceptid(result1['_source']['context'], lang)
result1['_source']['options']['context_label'] = prefLabel['value']
if (prefLabel['value'] == settings.EW_STATUS_TERM and result1['_source']['term'] == settings.PUBLISHED_LABEL) :
conceptid1 = result1['_source']['options']['conceptid']
context1 = result1['_source']['context']
AUTO_TERM_FILTER = {"inverted": False, "type": "concept"}
AUTO_TERM_FILTER["text"] = settings.PUBLISHED_LABEL
AUTO_TERM_FILTER["value"] = conceptid1
AUTO_TERM_FILTER["context"] = context1
AUTO_TERM_FILTER["context_label"] = settings.EW_STATUS_TERM
AUTO_TERM_FILTER["id"] = AUTO_TERM_FILTER['text'] + conceptid1
return AUTO_TERM_FILTER
def build_search_results_dsl(request):
temporal_filters = JSONDeserializer().deserialize(request.GET.get('temporalFilter', None))
query = build_base_search_results_dsl(request)
boolfilter = Bool()
if 'filters' in temporal_filters:
for temporal_filter in temporal_filters['filters']:
terms = Terms(field='date_groups.conceptid', terms=temporal_filter['date_types__value'])
boolfilter.must(terms)
date_value = datetime.strptime(temporal_filter['date'], '%d/%m/%Y').isoformat()
if temporal_filter['date_operators__value'] == '1': # equals query
range = Range(field='date_groups.value', gte=date_value, lte=date_value)
elif temporal_filter['date_operators__value'] == '0': # greater than query
range = Range(field='date_groups.value', lt=date_value)
elif temporal_filter['date_operators__value'] == '2': # less than query
range = Range(field='date_groups.value', gt=date_value)
if 'inverted' not in temporal_filters:
temporal_filters['inverted'] = False
if temporal_filters['inverted']:
boolfilter.must_not(range)
else:
boolfilter.must(range)
query.add_filter(boolfilter)
return query
def create_nested_geo_filter(self, geometry):
## process GEOS geometry object into geojson and create ES filter
geojson_geom = JSONDeserializer().deserialize(geometry.geojson)
geoshape = GeoShape(
field="geometries.geom.features.geometry",
type=geojson_geom["type"],
coordinates=geojson_geom["coordinates"]
)
new_spatial_filter = Bool()
new_spatial_filter.filter(geoshape)
nested = Nested(path='geometries', query=new_spatial_filter)
return nested
def delete(self, *args, **kwargs):
se = SearchEngineFactory().create()
request = kwargs.pop("request", None)
index = kwargs.pop("index", True)
transaction_id = kwargs.pop("index", None)
provisional_edit_log_details = kwargs.pop(
"provisional_edit_log_details", None)
for tile in self.tiles:
tile.delete(*args, request=request, **kwargs)
try:
user = request.user
user_is_reviewer = user_is_resource_reviewer(user)
except AttributeError: # no user
user = None
user_is_reviewer = True
if user_is_reviewer is True or self.user_owns_provisional(user):
if index:
query = Query(se)
bool_query = Bool()
bool_query.filter(Terms(field="tileid", terms=[self.tileid]))
query.add_query(bool_query)
results = query.delete(index=TERMS_INDEX)
self.__preDelete(request)
self.save_edit(
user=user,
edit_type="tile delete",
old_value=self.data,
provisional_edit_log_details=provisional_edit_log_details,
transaction_id=transaction_id,
)
try:
super(Tile, self).delete(*args, **kwargs)
for nodeid in self.data.keys():
node = models.Node.objects.get(nodeid=nodeid)
datatype = self.datatype_factory.get_instance(
node.datatype)
datatype.post_tile_delete(self, nodeid, index=index)
if index:
self.index()
except IntegrityError as e:
logger.error(e)
else:
self.apply_provisional_edit(user, data={}, action="delete")
super(Tile, self).save(*args, **kwargs)
def add_neg_filter(query):
"""adds a boolfilter that omits any resource that is protected with a certain
conceptid, this is simply a negative test for a specific conceptid"""
# get all the protection level conceptid
conceptid = get_protection_conceptids(settings.PROTECTION_LEVEL_NODE)
# create boolfilter
boolfilter = Bool()
terms = Terms(field="domains.conceptid", terms=conceptid)
nested = Nested(path="domains", query=terms)
boolfilter.must_not(nested)
# add filter to query
query.add_filter(boolfilter)
return query
def build_search_terms_dsl(request):
se = SearchEngineFactory().create()
searchString = request.GET.get('q', '')
query = Query(se, start=0, limit=settings.SEARCH_DROPDOWN_LENGTH)
boolquery = Bool()
boolquery.should(Match(field='term', query=searchString.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery.should(Match(field='term.folded', query=searchString.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery.should(Match(field='term.folded', query=searchString.lower(), fuzziness='AUTO'))
query.add_query(boolquery)
return query
def search_terms(request):
lang = request.GET.get('lang', settings.LANGUAGE_CODE)
se = SearchEngineFactory().create()
searchString = request.GET.get('q', '')
query = Query(se, start=0, limit=0)
boolquery = Bool()
boolquery.should(Match(field='value', query=searchString.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery.should(Match(field='value.folded', query=searchString.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery.should(Match(field='value.folded', query=searchString.lower(), fuzziness='AUTO'))
query.add_query(boolquery)
base_agg = Aggregation(name='value_agg', type='terms', field='value.raw', size=settings.SEARCH_DROPDOWN_LENGTH, order={"max_score": "desc"})
nodegroupid_agg = Aggregation(name='nodegroupid', type='terms', field='nodegroupid')
top_concept_agg = Aggregation(name='top_concept', type='terms', field='top_concept')
conceptid_agg = Aggregation(name='conceptid', type='terms', field='conceptid')
max_score_agg = MaxAgg(name='max_score', script='_score')
top_concept_agg.add_aggregation(conceptid_agg)
base_agg.add_aggregation(max_score_agg)
base_agg.add_aggregation(top_concept_agg)
base_agg.add_aggregation(nodegroupid_agg)
query.add_aggregation(base_agg)
results = query.search(index='strings') or {'hits': {'hits':[]}}
i = 0;
ret = []
for result in results['aggregations']['value_agg']['buckets']:
if len(result['top_concept']['buckets']) > 0:
for top_concept in result['top_concept']['buckets']:
top_concept_id = top_concept['key']
top_concept_label = get_preflabel_from_conceptid(top_concept['key'], lang)['value']
for concept in top_concept['conceptid']['buckets']:
ret.append({
'type': 'concept',
'context': top_concept_id,
'context_label': top_concept_label,
'id': i,
'text': result['key'],
'value': concept['key']
})
i = i + 1
else:
ret.append({
'type': 'term',
'context': '',
'context_label': '',
'id': i,
'text': result['key'],
'value': result['key']
})
i = i + 1
return JSONResponse(ret)
def append_dsl(self, search_results_object, permitted_nodegroups,
include_provisional):
search_query = Bool()
if include_provisional is not True:
provisional_resource_filter = Bool()
if include_provisional is False:
provisional_resource_filter.filter(
Terms(field='provisional_resource',
terms=['false', 'partial']))
elif include_provisional is 'only provisional':
provisional_resource_filter.filter(
Terms(field='provisional_resource',
terms=['true', 'partial']))
search_query.must(provisional_resource_filter)
search_results_object['query'].add_query(search_query)
def delete(self, *args, **kwargs):
se = SearchEngineFactory().create()
request = kwargs.pop('request', None)
for tiles in self.tiles.itervalues():
for tile in tiles:
tile.delete(*args, request=request, **kwargs)
query = Query(se)
bool_query = Bool()
bool_query.filter(Terms(field='tileid', terms=[self.tileid]))
query.add_query(bool_query)
results = query.search(index='strings', doc_type='term')['hits']['hits']
for result in results:
se.delete(index='strings', doc_type='term', id=result['_id'])
self.__preDelete(request)
super(Tile, self).delete(*args, **kwargs)
resource = Resource.objects.get(resourceinstanceid=self.resourceinstance.resourceinstanceid)
resource.index()
def append_dsl(self, search_results_object, permitted_nodegroups,
include_provisional):
search_query = Bool()
if include_provisional is not True:
provisional_resource_filter = Bool()
if include_provisional is False:
provisional_resource_filter.filter(
Terms(field="provisional_resource",
terms=["false", "partial"]))
elif include_provisional == "only provisional":
provisional_resource_filter.filter(
Terms(field="provisional_resource",
terms=["true", "partial"]))
search_query.must(provisional_resource_filter)
search_results_object["query"].add_query(search_query)
def delete(self):
"""
Deletes a single resource and any related indexed data
"""
se = SearchEngineFactory().create()
related_resources = self.get_related_resources(lang="en-US", start=0, limit=15)
for rr in related_resources['resource_relationships']:
models.ResourceXResource.objects.get(pk=rr['resourcexid']).delete()
query = Query(se)
bool_query = Bool()
bool_query.filter(Terms(field='resourceinstanceid', terms=[self.resourceinstanceid]))
query.add_query(bool_query)
results = query.search(index='strings', doc_type='term')['hits']['hits']
for result in results:
se.delete(index='strings', doc_type='term', id=result['_id'])
se.delete(index='resource', doc_type=str(self.graph_id), id=self.resourceinstanceid)
super(Resource, self).delete()
def delete(self, *args, **kwargs):
se = SearchEngineFactory().create()
request = kwargs.pop('request', None)
for tiles in self.tiles.itervalues():
for tile in tiles:
tile.delete(*args, request=request, **kwargs)
query = Query(se)
bool_query = Bool()
bool_query.filter(Terms(field='tileid', terms=[self.tileid]))
query.add_query(bool_query)
results = query.search(index='strings', doc_type='term')['hits']['hits']
for result in results:
se.delete(index='strings', doc_type='term', id=result['_id'])
self.__preDelete(request)
self.save_edit(user=request.user, edit_type='tile delete', old_value=self.data)
super(Tile, self).delete(*args, **kwargs)
resource = Resource.objects.get(resourceinstanceid=self.resourceinstance.resourceinstanceid)
resource.index()
def build_search_terms_dsl(request):
se = SearchEngineFactory().create()
searchString = request.GET.get('q', '')
query = Query(se, start=0, limit=settings.SEARCH_DROPDOWN_LENGTH)
boolquery = Bool()
boolquery.should(Match(field='term', query=searchString.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery.should(Match(field='term.folded', query=searchString.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery.should(Match(field='term.folded', query=searchString.lower(), fuzziness='AUTO'))
query.add_query(boolquery)
return query
def get_resource_bounds(node):
query = Query(se, start=0, limit=0)
search_query = Bool()
query.add_query(search_query)
query.add_aggregation(
GeoBoundsAgg(field='points.point', name='bounds'))
results = query.search(index='resource',
doc_type=[str(node.graph_id)])
bounds = results['aggregations']['bounds'][
'bounds'] if 'bounds' in results['aggregations'][
'bounds'] else None
return bounds
def get_preflabel_from_conceptid(conceptid, lang):
ret = None
default = {
"category": "",
"conceptid": "",
"language": "",
"value": "",
"type": "",
"id": ""
}
query = Query(se)
bool_query = Bool()
bool_query.must(Match(field="type", query="prefLabel", type="phrase"))
bool_query.filter(Terms(field="conceptid", terms=[conceptid]))
query.add_query(bool_query)
preflabels = query.search(index=CONCEPTS_INDEX)["hits"]["hits"]
for preflabel in preflabels:
default = preflabel["_source"]
# get the label in the preferred language, otherwise get the label in the default language
if preflabel["_source"]["language"] == lang:
return preflabel["_source"]
if preflabel["_source"]["language"].split("-")[0] == lang.split(
"-")[0]:
ret = preflabel["_source"]
if preflabel["_source"][
"language"] == settings.LANGUAGE_CODE and ret is None:
ret = preflabel["_source"]
return default if ret is None else ret
def get_relations(resourceinstanceid, start, limit):
query = Query(se, start=start, limit=limit)
bool_filter = Bool()
bool_filter.should(Terms(field="resourceinstanceidfrom", terms=resourceinstanceid))
bool_filter.should(Terms(field="resourceinstanceidto", terms=resourceinstanceid))
query.add_query(bool_filter)
return query.search(index="resource_relations")
def get_preflabel_from_conceptid(conceptid, lang):
ret = None
default = {
"category": "",
"conceptid": "",
"language": "",
"value": "",
"type": "",
"id": ""
}
se = SearchEngineFactory().create()
query = Query(se)
bool_query = Bool()
bool_query.must(Match(field='type', query='prefLabel', type='phrase'))
bool_query.filter(Terms(field='conceptid', terms=[conceptid]))
query.add_query(bool_query)
preflabels = query.search(index='strings', doc_type='concept')['hits']['hits']
for preflabel in preflabels:
default = preflabel['_source']
# get the label in the preferred language, otherwise get the label in the default language
if preflabel['_source']['language'] == lang:
return preflabel['_source']
if preflabel['_source']['language'].split('-')[0] == lang.split('-')[0]:
ret = preflabel['_source']
if preflabel['_source']['language'] == settings.LANGUAGE_CODE and ret == None:
ret = preflabel['_source']
return default if ret == None else ret
def get_resource_bounds(node):
query = Query(se, start=0, limit=0)
search_query = Bool()
query.add_query(search_query)
query.add_aggregation(
GeoBoundsAgg(field="points.point", name="bounds"))
query.add_query(
Term(field="graph_id", term=str(node.graph.graphid)))
results = query.search(index=RESOURCES_INDEX)
bounds = results["aggregations"]["bounds"][
"bounds"] if "bounds" in results["aggregations"][
"bounds"] else None
return bounds
def get_restricted_instances(user):
if user.is_superuser is False:
se = SearchEngineFactory().create()
query = Query(se, start=0, limit=settings.SEARCH_RESULT_LIMIT)
has_access = Bool()
terms = Terms(field="permissions.users_with_no_access",
terms=[str(user.id)])
has_access.must(terms)
query.add_query(has_access)
results = query.search(index="resources", scroll="1m")
scroll_id = results["_scroll_id"]
total = results["hits"]["total"]["value"]
if total > settings.SEARCH_RESULT_LIMIT:
pages = total // settings.SEARCH_RESULT_LIMIT
for page in range(pages):
results_scrolled = query.se.es.scroll(scroll_id=scroll_id,
scroll="1m")
results["hits"]["hits"] += results_scrolled["hits"]["hits"]
restricted_ids = [res["_id"] for res in results["hits"]["hits"]]
return restricted_ids
else:
return []
def create_nested_attribute_filter(self, doc_id, nodegroup_id, value_list):
new_string_filter = Bool()
new_string_filter.filter(Terms(field='strings.nodegroup_id', terms=[nodegroup_id]))
for value in value_list:
new_string_filter.should(Match(field='strings.string', query=value, type='phrase'))
nested = Nested(path='strings', query=new_string_filter)
return nested
def get_search_contexts(request):
search_context = {}
search_context = cache.get('search_contexts')
if search_context is not None:
#print 'Search_context iz cacha!'
return search_context
lang = request.GET.get('lang', settings.LANGUAGE_CODE)
se1 = SearchEngineFactory().create()
context_label1 = '-'
search_context = {}
for search_term in settings.SEARCH_TERMS:
searchString1 = search_term['text']
print searchString1
query1 = Query(se1, start=0, limit=settings.SEARCH_DROPDOWN_LENGTH)
boolquery1 = Bool()
boolquery1.should(Match(field='term', query=searchString1.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery1.should(Match(field='term.folded', query=searchString1.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery1.should(Match(field='term.folded', query=searchString1.lower(), fuzziness='AUTO'))
query1.add_query(boolquery1)
results1 = query1.search(index='term', doc_type='value')
conceptid1 = ''
context1 = ''
for result1 in results1['hits']['hits']:
prefLabel = get_preflabel_from_conceptid(result1['_source']['context'], lang)
result1['_source']['options']['context_label'] = prefLabel['value']
if (prefLabel['value'] == search_term['context_label'] and result1['_source']['term'] == search_term['text']):
conceptid1 = result1['_source']['options']['conceptid']
context1 = result1['_source']['context']
#print search_term['context_label'] + ': ' + conceptid1
#print searchString1
#print result1
result = {'conceptid': conceptid1, 'context': context1}
if context_label1 <> search_term['context_label']:
value = {}
print result
value[search_term['text_key']] = result
#print value
search_context[search_term['context_key']] = value
#print search_context
#print 'Iscem [' + search_term['context_label'] + '][' + search_term['text'] + ']'
#print value
context_label1 = search_term['context_label']
#print search_context
#print search_context['Historical_Period']['BRONZE_AGE']
#print 'Shranjujem search_context v cache'
cache.set('search_contexts', search_context, 86400)
return search_context
def get_relations(resourceinstanceid, start, limit):
query = Query(se, limit=limit, start=start)
bool_filter = Bool()
bool_filter.should(
Terms(field='resourceinstanceidfrom',
terms=resourceinstanceid))
bool_filter.should(
Terms(field='resourceinstanceidto', terms=resourceinstanceid))
query.add_query(bool_filter)
return query.search(index='resource_relations', doc_type='all')
def get_search_range_contexts(request):
search_range_context = {}
search_range_context = cache.get('search_range_contexts')
if search_range_context is not None:
#print 'Search_range_context iz cacha!'
return search_range_context
lang = request.GET.get('lang', request.LANGUAGE_CODE)
se1 = SearchEngineFactory().create()
context_label1 = '-'
search_range_context = {}
for search_term in settings.RANGE_TERMS:
searchString1 = search_term['text']
query1 = Query(se1, start=0, limit=settings.SEARCH_DROPDOWN_LENGTH)
boolquery1 = Bool()
boolquery1.should(Match(field='term', query=searchString1.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery1.should(Match(field='term.folded', query=searchString1.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery1.should(Match(field='term.folded', query=searchString1.lower(), fuzziness='AUTO'))
query1.add_query(boolquery1)
results1 = query1.search(index='term', doc_type='value')
conceptid1 = ''
context1 = ''
for result1 in results1['hits']['hits']:
prefLabel = get_preflabel_from_conceptid(result1['_source']['context'], lang)
result1['_source']['options']['context_label'] = prefLabel['value']
if (prefLabel['value'] == search_term['context_label'] and result1['_source']['term'] == search_term['text']):
#print result1['_source']['ids'][0]
conceptid1 = result1['_source']['options']['conceptid']
context1 = result1['_source']['context']
valueid1 = result1['_source']['ids'][0]
#print search_term['context_label'] + ': ' + conceptid1
#print searchString1
#print result1
result = {'conceptid': conceptid1, 'context': context1, 'valueid': valueid1}
if context_label1 <> search_term['context_label']:
value = {}
#print result
value[search_term['text_key']] = result
#print value
search_range_context[search_term['context_key']] = value
#print search_range_context
#print 'Iscem [' + search_term['context_label'] + '][' + search_term['text'] + ']'
#print value
context_label1 = search_term['context_label']
#print search_range_context
#print search_range_context['Historical_Period']['BRONZE_AGE']
#print 'Shranjujem search_range_context v cache'
cache.set('search_range_contexts', search_range_context, 86400)
return search_range_context
def build_search_results_dsl(request):
temporal_filters = JSONDeserializer().deserialize(request.GET.get("temporalFilter", None))
query = build_base_search_results_dsl(request)
boolfilter = Bool()
if "filters" in temporal_filters:
for temporal_filter in temporal_filters["filters"]:
date_type = ""
date = ""
date_operator = ""
for node in temporal_filter["nodes"]:
if node["entitytypeid"] == "DATE_COMPARISON_OPERATOR.E55":
date_operator = node["value"]
elif node["entitytypeid"] == "date":
date = node["value"]
else:
date_type = node["value"]
terms = Terms(field="date_groups.conceptid", terms=date_type)
boolfilter.must(terms)
date_value = datetime.strptime(date, "%Y-%m-%d").isoformat()
if date_operator == "1": # equals query
range = Range(field="date_groups.value", gte=date_value, lte=date_value)
elif date_operator == "0": # greater than query
range = Range(field="date_groups.value", lt=date_value)
elif date_operator == "2": # less than query
range = Range(field="date_groups.value", gt=date_value)
if "inverted" not in temporal_filters:
temporal_filters["inverted"] = False
if temporal_filters["inverted"]:
boolfilter.must_not(range)
else:
boolfilter.must(range)
query.add_filter(boolfilter)
return query
def build_search_results_dsl(request):
term_filter = request.GET.get('termFilter', '')
spatial_filter = JSONDeserializer().deserialize(request.GET.get('spatialFilter', None))
export = request.GET.get('export', None)
page = 1 if request.GET.get('page') == '' else int(request.GET.get('page', 1))
temporal_filter = JSONDeserializer().deserialize(request.GET.get('temporalFilter', None))
se = SearchEngineFactory().create()
if export != None:
limit = settings.SEARCH_EXPORT_ITEMS_PER_PAGE
else:
limit = settings.SEARCH_ITEMS_PER_PAGE
query = Query(se, start=limit*int(page-1), limit=limit)
boolquery = Bool()
boolfilter = Bool()
if term_filter != '':
for term in JSONDeserializer().deserialize(term_filter):
if term['type'] == 'term':
entitytype = models.EntityTypes.objects.get(conceptid_id=term['context'])
boolfilter_nested = Bool()
boolfilter_nested.must(Terms(field='child_entities.entitytypeid', terms=[entitytype.pk]))
boolfilter_nested.must(Match(field='child_entities.value', query=term['value'], type='phrase'))
nested = Nested(path='child_entities', query=boolfilter_nested)
if term['inverted']:
boolfilter.must_not(nested)
else:
boolfilter.must(nested)
elif term['type'] == 'concept':
concept_ids = _get_child_concepts(term['value'])
terms = Terms(field='domains.conceptid', terms=concept_ids)
nested = Nested(path='domains', query=terms)
if term['inverted']:
boolfilter.must_not(nested)
else:
boolfilter.must(nested)
elif term['type'] == 'string':
boolfilter_folded = Bool()
boolfilter_folded.should(Match(field='child_entities.value', query=term['value'], type='phrase_prefix'))
boolfilter_folded.should(Match(field='child_entities.value.folded', query=term['value'], type='phrase_prefix'))
nested = Nested(path='child_entities', query=boolfilter_folded)
if term['inverted']:
boolquery.must_not(nested)
else:
boolquery.must(nested)
if 'geometry' in spatial_filter and 'type' in spatial_filter['geometry'] and spatial_filter['geometry']['type'] != '':
geojson = spatial_filter['geometry']
if geojson['type'] == 'bbox':
coordinates = [[geojson['coordinates'][0],geojson['coordinates'][3]], [geojson['coordinates'][2],geojson['coordinates'][1]]]
geoshape = GeoShape(field='geometries.value', type='envelope', coordinates=coordinates )
nested = Nested(path='geometries', query=geoshape)
else:
buffer = spatial_filter['buffer']
geojson = JSONDeserializer().deserialize(_buffer(geojson,buffer['width'],buffer['unit']).json)
geoshape = GeoShape(field='geometries.value', type=geojson['type'], coordinates=geojson['coordinates'] )
nested = Nested(path='geometries', query=geoshape)
if 'inverted' not in spatial_filter:
spatial_filter['inverted'] = False
if spatial_filter['inverted']:
boolfilter.must_not(nested)
else:
boolfilter.must(nested)
if 'year_min_max' in temporal_filter and len(temporal_filter['year_min_max']) == 2:
start_date = date(temporal_filter['year_min_max'][0], 1, 1)
end_date = date(temporal_filter['year_min_max'][1], 12, 31)
if start_date:
start_date = start_date.isoformat()
if end_date:
end_date = end_date.isoformat()
range = Range(field='dates.value', gte=start_date, lte=end_date)
nested = Nested(path='dates', query=range)
if 'inverted' not in temporal_filter:
temporal_filter['inverted'] = False
if temporal_filter['inverted']:
boolfilter.must_not(nested)
else:
boolfilter.must(nested)
if not boolquery.empty:
query.add_query(boolquery)
if not boolfilter.empty:
query.add_filter(boolfilter)
return query
def gen_range_agg(gte=None, lte=None, permitted_nodegroups=None):
date_query = Bool()
date_query.filter(Range(field='dates.date', gte=gte, lte=lte, relation='intersects'))
if permitted_nodegroups:
date_query.filter(Terms(field='dates.nodegroup_id', terms=permitted_nodegroups))
date_ranges_query = Bool()
date_ranges_query.filter(Range(field='date_ranges.date_range', gte=gte, lte=lte, relation='intersects'))
if permitted_nodegroups:
date_ranges_query.filter(Terms(field='date_ranges.nodegroup_id', terms=permitted_nodegroups))
wrapper_query = Bool()
wrapper_query.should(Nested(path='date_ranges', query=date_ranges_query))
wrapper_query.should(Nested(path='dates', query=date_query))
return wrapper_query
def build_search_results_dsl(request):
term_filter = request.GET.get('termFilter', '')
spatial_filter = JSONDeserializer().deserialize(request.GET.get('mapFilter', '{}'))
export = request.GET.get('export', None)
page = 1 if request.GET.get('page') == '' else int(request.GET.get('page', 1))
temporal_filter = JSONDeserializer().deserialize(request.GET.get('temporalFilter', '{}'))
advanced_filters = JSONDeserializer().deserialize(request.GET.get('advanced', '[]'))
search_buffer = None
se = SearchEngineFactory().create()
if export != None:
limit = settings.SEARCH_EXPORT_ITEMS_PER_PAGE
else:
limit = settings.SEARCH_ITEMS_PER_PAGE
query = Query(se, start=limit*int(page-1), limit=limit)
nested_agg = NestedAgg(path='points', name='geo_aggs')
nested_agg.add_aggregation(GeoHashGridAgg(field='points.point', name='grid', precision=settings.HEX_BIN_PRECISION))
nested_agg.add_aggregation(GeoBoundsAgg(field='points.point', name='bounds'))
query.add_aggregation(nested_agg)
search_query = Bool()
permitted_nodegroups = get_permitted_nodegroups(request.user)
if term_filter != '':
for term in JSONDeserializer().deserialize(term_filter):
term_query = Bool()
if term['type'] == 'term' or term['type'] == 'string':
string_filter = Bool()
if term['type'] == 'term':
string_filter.must(Match(field='strings.string', query=term['value'], type='phrase'))
elif term['type'] == 'string':
string_filter.should(Match(field='strings.string', query=term['value'], type='phrase_prefix'))
string_filter.should(Match(field='strings.string.folded', query=term['value'], type='phrase_prefix'))
string_filter.filter(Terms(field='strings.nodegroup_id', terms=permitted_nodegroups))
nested_string_filter = Nested(path='strings', query=string_filter)
if term['inverted']:
search_query.must_not(nested_string_filter)
else:
search_query.must(nested_string_filter)
# need to set min_score because the query returns results with score 0 and those have to be removed, which I don't think it should be doing
query.min_score('0.01')
elif term['type'] == 'concept':
concept_ids = _get_child_concepts(term['value'])
conceptid_filter = Bool()
conceptid_filter.filter(Terms(field='domains.conceptid', terms=concept_ids))
conceptid_filter.filter(Terms(field='domains.nodegroup_id', terms=permitted_nodegroups))
nested_conceptid_filter = Nested(path='domains', query=conceptid_filter)
if term['inverted']:
search_query.must_not(nested_conceptid_filter)
else:
search_query.filter(nested_conceptid_filter)
if 'features' in spatial_filter:
if len(spatial_filter['features']) > 0:
feature_geom = spatial_filter['features'][0]['geometry']
feature_properties = spatial_filter['features'][0]['properties']
buffer = {'width':0,'unit':'ft'}
if 'buffer' in feature_properties:
buffer = feature_properties['buffer']
search_buffer = _buffer(feature_geom, buffer['width'], buffer['unit'])
feature_geom = JSONDeserializer().deserialize(search_buffer.json)
geoshape = GeoShape(field='geometries.geom.features.geometry', type=feature_geom['type'], coordinates=feature_geom['coordinates'] )
invert_spatial_search = False
if 'inverted' in feature_properties:
invert_spatial_search = feature_properties['inverted']
spatial_query = Bool()
if invert_spatial_search == True:
spatial_query.must_not(geoshape)
else:
spatial_query.filter(geoshape)
# get the nodegroup_ids that the user has permission to search
spatial_query.filter(Terms(field='geometries.nodegroup_id', terms=permitted_nodegroups))
search_query.filter(Nested(path='geometries', query=spatial_query))
if 'fromDate' in temporal_filter and 'toDate' in temporal_filter:
now = str(datetime.utcnow())
start_date = SortableDate(temporal_filter['fromDate'])
end_date = SortableDate(temporal_filter['toDate'])
date_nodeid = str(temporal_filter['dateNodeId']) if 'dateNodeId' in temporal_filter and temporal_filter['dateNodeId'] != '' else None
query_inverted = False if 'inverted' not in temporal_filter else temporal_filter['inverted']
temporal_query = Bool()
if query_inverted:
# inverted date searches need to use an OR clause and are generally more complicated to structure (can't use ES must_not)
# eg: less than START_DATE OR greater than END_DATE
inverted_date_query = Bool()
inverted_date_ranges_query = Bool()
if start_date.is_valid():
inverted_date_query.should(Range(field='dates.date', lt=start_date.as_float()))
inverted_date_ranges_query.should(Range(field='date_ranges.date_range', lt=start_date.as_float()))
if end_date.is_valid():
inverted_date_query.should(Range(field='dates.date', gt=end_date.as_float()))
inverted_date_ranges_query.should(Range(field='date_ranges.date_range', gt=end_date.as_float()))
date_query = Bool()
date_query.filter(inverted_date_query)
date_query.filter(Terms(field='dates.nodegroup_id', terms=permitted_nodegroups))
if date_nodeid:
date_query.filter(Term(field='dates.nodeid', term=date_nodeid))
else:
date_ranges_query = Bool()
date_ranges_query.filter(inverted_date_ranges_query)
date_ranges_query.filter(Terms(field='date_ranges.nodegroup_id', terms=permitted_nodegroups))
temporal_query.should(Nested(path='date_ranges', query=date_ranges_query))
temporal_query.should(Nested(path='dates', query=date_query))
else:
date_query = Bool()
date_query.filter(Range(field='dates.date', gte=start_date.as_float(), lte=end_date.as_float()))
date_query.filter(Terms(field='dates.nodegroup_id', terms=permitted_nodegroups))
if date_nodeid:
date_query.filter(Term(field='dates.nodeid', term=date_nodeid))
else:
date_ranges_query = Bool()
date_ranges_query.filter(Range(field='date_ranges.date_range', gte=start_date.as_float(), lte=end_date.as_float(), relation='intersects'))
date_ranges_query.filter(Terms(field='date_ranges.nodegroup_id', terms=permitted_nodegroups))
temporal_query.should(Nested(path='date_ranges', query=date_ranges_query))
temporal_query.should(Nested(path='dates', query=date_query))
search_query.filter(temporal_query)
#print search_query.dsl
datatype_factory = DataTypeFactory()
if len(advanced_filters) > 0:
advanced_query = Bool()
grouped_query = Bool()
grouped_queries = [grouped_query]
for index, advanced_filter in enumerate(advanced_filters):
tile_query = Bool()
for key, val in advanced_filter.iteritems():
if key != 'op':
node = models.Node.objects.get(pk=key)
if request.user.has_perm('read_nodegroup', node.nodegroup):
datatype = datatype_factory.get_instance(node.datatype)
datatype.append_search_filters(val, node, tile_query, request)
nested_query = Nested(path='tiles', query=tile_query)
if advanced_filter['op'] == 'or' and index != 0:
grouped_query = Bool()
grouped_queries.append(grouped_query)
grouped_query.must(nested_query)
for grouped_query in grouped_queries:
advanced_query.should(grouped_query)
search_query.must(advanced_query)
query.add_query(search_query)
if search_buffer != None:
search_buffer = search_buffer.geojson
return {'query': query, 'search_buffer':search_buffer}
def nested_query_from_pathed_values(pathed_values, stem):
"""
Given an array of pathed values to query terms from the root, return a nested query
pathed_values: e.g.
[
{
val: '29430-4955-...'
path: [a, b, c]
}
]
stem: the path into the index for the nested terms. This will be of the form 'nested_entity.child_entities.child_entities'
"""
# f( [[A,B,C], [A,B,D] )
# = Nested( AND( f( [[B,C],[B,D]] ))
# = Nested( AND( Nested( AND( f([[C],[D]]) )) ))
# = Nested( AND( Nested( AND( valueC, valueD))))
# f( [[A,B,C], [A,B,D], [A,B,D] )
# = Nested( AND( f([[B,C],[B,D],[B,D]] ))
# = Nested( AND( Nested( AND( f([[C],[D],[D]]) )) ))
# = Nested( AND( Nested( AND( valueB, valueD))))
# group paths by their head of each paths list is the same, make a single nested query and recurse on the tails
branch_groups = {} # those groups with a continuing tail, where we will recursively build a nested query
leaf_groups = [] # those groups without a continuing tail, where we will use an ordinary term query
# build the groups
for v in pathed_values:
path = v['path']
if len(path) == 1:
# this goes in its own group
leaf_groups.append(v)
else:
# see if there is already a group using this head
head = v['path'][0]['entitytyperange']
if head not in branch_groups:
branch_groups[head] = []
branch_groups[head].append(v)
# We should now have a set of groups
# create the bool query
bool_term = Bool()
# add terms for any leaf groups
for leaf_group in leaf_groups:
if leaf_group['term']['type'] == 'concept':
if leaf_group['term']['inverted']:
terms = Terms(field=stem+'.conceptid', terms=leaf_group['term']['value'])
n_terms = Nested(path=stem, query=terms)
bool_term.must_not(n_terms)
else:
terms = Terms(field=stem+'.conceptid', terms=leaf_group['term']['value'])
n_terms = Nested(path=stem, query=terms)
bool_term.must(n_terms)
elif leaf_group['term']['type'] == 'term':
# boolfilter_nested.must(Terms(field='child_entities.entitytypeid', terms=[entitytype.pk]))
# boolfilter_nested.must(Match(field='child_entities.value', query=term['value'], type='phrase'))
entitytype = models.EntityTypes.objects.get(conceptid_id=leaf_group['term']['context'])
sub_bool = Bool()
if leaf_group['term']['inverted']:
sub_bool.must_not(Terms(field=stem+'.entitytypeid', terms=[entitytype.pk]))
sub_bool.must_not(Match(field=stem+'.value', query=leaf_group['term']['value'], type='phrase'))
else:
sub_bool.must(Terms(field=stem+'.entitytypeid', terms=[entitytype.pk]))
sub_bool.must(Match(field=stem+'.value', query=leaf_group['term']['value'], type='phrase'))
nsub_bool = Nested(path=stem, query=sub_bool)
bool_term.must(nsub_bool)
elif leaf_group['term']['type'] == 'string':
boolfilter_folded = Bool()
boolfilter_folded.should(Match(field=stem+'.flat_child_entities.label', query=leaf_group['term']['value'], type='phrase_prefix', fuzziness='AUTO'))
boolfilter_folded.should(Match(field=stem+'.flat_child_entities.label.folded', query=leaf_group['term']['value'], type='phrase_prefix', fuzziness='AUTO'))
boolfilter_folded.should(Match(field=stem+'.flat_child_entities.label.folded', query=leaf_group['term']['value'], fuzziness='AUTO'))
nested = Nested(path=stem+'.flat_child_entities', query=boolfilter_folded)
if leaf_group['term']['inverted']:
bool_term.must_not(nested)
else:
bool_term.must(nested)
elif leaf_group['term']['type'] == 'date':
if leaf_group['term']['date_operator'] == '1': # equals query
daterange = Range(field=stem+'.flat_child_entities.date', gte=leaf_group['term']['date_value'], lte=leaf_group['term']['date_value'])
elif leaf_group['term']['date_operator'] == '0': # greater than query
daterange = Range(field=stem+'.flat_child_entities.date', lt=leaf_group['term']['date_value'])
elif leaf_group['term']['date_operator'] == '2': # less than query
daterange = Range(field=stem+'.flat_child_entities.date', gt=leaf_group['term']['date_value'])
elif leaf_group['term']['date_operator'] == '3': # greater than and less than query
daterange = Range(field=stem+'.flat_child_entities.date', gte=leaf_group['term']['start_date'], lte=leaf_group['term']['end_date'])
nested_date = Nested(path=stem+'.flat_child_entities', query=daterange)
if leaf_group['term']['inverted']:
bool_term.must_not(nested_date)
else:
bool_term.must(nested_date)
# add terms for any branch groups
for key in branch_groups:
# add a nested term for each group
branch_group = branch_groups[key]
#remove head from each path and recurse
for value in branch_group:
value['path'] = value['path'][1:]
sub_query = nested_query_from_pathed_values(branch_group, stem+'.child_entities')
nsub_query = Nested(path=stem, query=sub_query)
bool_term.must(nsub_query)
return bool_term;
def prepare_documents_for_search_index(self):
"""
Generates a list of specialized resource based documents to support resource search
"""
# Arches_hip
documents = super(Resource, self).prepare_documents_for_search_index()
for document in documents:
document['date_groups'] = []
for nodes in self.get_nodes('BEGINNING_OF_EXISTENCE.E63', keys=['value']):
document['date_groups'].append({
'conceptid': nodes['BEGINNING_OF_EXISTENCE_TYPE_E55__value'],
'value': nodes['START_DATE_OF_EXISTENCE_E49__value']
})
for nodes in self.get_nodes('END_OF_EXISTENCE.E64', keys=['value']):
document['date_groups'].append({
'conceptid': nodes['END_OF_EXISTENCE_TYPE_E55__value'],
'value': nodes['END_DATE_OF_EXISTENCE_E49__value']
})
for nodes in self.get_nodes('GRAVE_MEASUREMENT_TYPE.E55', keys=['value','label']):
# Poiscemo in shranimo le contextid (sicer je v vsakem jeziku drugacna vrednost)
lang = settings.LANGUAGE_CODE
se1 = SearchEngineFactory().create()
context_label1 = '-'
search_context = {}
#print 'Iscem podatke za ' + nodes['GRAVE_MEASUREMENT_TYPE_E55__value']
searchString1 = nodes['GRAVE_MEASUREMENT_TYPE_E55__label']
query1 = Query(se1, start=0, limit=settings.SEARCH_DROPDOWN_LENGTH)
boolquery1 = Bool()
boolquery1.should(Match(field='term', query=searchString1.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery1.should(Match(field='term.folded', query=searchString1.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery1.should(Match(field='term.folded', query=searchString1.lower(), fuzziness='AUTO'))
query1.add_query(boolquery1)
results1 = query1.search(index='term', doc_type='value')
conceptid1 = ''
context1 = ''
data_type = nodes['GRAVE_MEASUREMENT_TYPE_E55__value']
for result1 in results1['hits']['hits']:
#print result1result1['_source']['ids'][0]
conceptid1 = result1['_source']['options']
valueid1 = result1['_source']['ids'][0]
if nodes['GRAVE_MEASUREMENT_TYPE_E55__value'] == valueid1:
#print 'Nasel: ' + conceptid1['conceptid']
data_type = conceptid1['conceptid']
document['value_' + data_type] = float(nodes['VALUE_OF_MEASUREMENT_E60__value'])
for nodes in self.get_nodes('OBJECT_MEASUREMENT_TYPE.E55', keys=['value','label']):
# Poiscemo in shranimo le contextid (sicer je v vsakem jeziku drugacna vrednost)
lang = settings.LANGUAGE_CODE
se1 = SearchEngineFactory().create()
context_label1 = '-'
search_context = {}
#print 'Iscem podatke za ' + nodes['GRAVE_MEASUREMENT_TYPE_E55__value']
searchString1 = nodes['OBJECT_MEASUREMENT_TYPE_E55__label']
query1 = Query(se1, start=0, limit=settings.SEARCH_DROPDOWN_LENGTH)
boolquery1 = Bool()
boolquery1.should(Match(field='term', query=searchString1.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery1.should(Match(field='term.folded', query=searchString1.lower(), type='phrase_prefix', fuzziness='AUTO'))
boolquery1.should(Match(field='term.folded', query=searchString1.lower(), fuzziness='AUTO'))
query1.add_query(boolquery1)
results1 = query1.search(index='term', doc_type='value')
conceptid1 = ''
context1 = ''
data_type = nodes['OBJECT_MEASUREMENT_TYPE_E55__value']
for result1 in results1['hits']['hits']:
#print result1result1['_source']['ids'][0]
conceptid1 = result1['_source']['options']
valueid1 = result1['_source']['ids'][0]
if nodes['OBJECT_MEASUREMENT_TYPE_E55__value'] == valueid1:
#print 'Nasel: ' + conceptid1['conceptid']
data_type = conceptid1['conceptid']
document['value_' + data_type] = float(nodes['VALUE_OF_MEASUREMENT_E60__value'])
#print document
#for nodes in self.get_nodes('GRAVE_MEASUREMENT_TYPE.E55', keys=['value']):
# document['measurement_groups'].append({
# 'conceptid': nodes['GRAVE_MEASUREMENT_TYPE_E55__value'],
# 'value': nodes['VALUE_OF_MEASUREMENT_E60__value']
# })
#for nodes in self.get_nodes('OBJECT_MEASUREMENT_TYPE.E55', keys=['value']):
# document['measurement_groups'].append({
# 'conceptid': nodes['OBJECT_MEASUREMENT_TYPE_E55__value'],
# 'value': nodes['VALUE_OF_MEASUREMENT_E60__value']
# })
if self.entitytypeid == 'HERITAGE_RESOURCE.E18' or self.entitytypeid == 'SITE.E18' or self.entitytypeid == 'GRAVE.E18' or self.entitytypeid == 'OBJECT.E18':
document['searchType'] = self.get_current_type()
#document['parentName'] = self.get_parent_name()
#document_data['designations'] = get_entity_data('TYPE_OF_DESIGNATION_OR_PROTECTION.E55', get_label=True)
if self.get_nodes('SPATIAL_COORDINATES_GEOMETRY.E47', keys=['value']):
point = self.get_nodes('SPATIAL_COORDINATES_GEOMETRY.E47', keys=['value'])[0]['SPATIAL_COORDINATES_GEOMETRY_E47__value']
if not isinstance(point, basestring):
point = str(point)
if point.find('POINT')>=0:
lon = point[6:point.find(' ', 7)]
#print lon
lat = point[point.find(' ',7)+1:point.find(')')]
#print lat
document['longitude'] = lon
document['latitude'] = lat
return documents
def build_search_results_dsl(request):
term_filter = request.GET.get('termFilter', '')
spatial_filter = JSONDeserializer().deserialize(request.GET.get('mapFilter', '{}'))
export = request.GET.get('export', None)
page = 1 if request.GET.get('page') == '' else int(request.GET.get('page', 1))
temporal_filter = JSONDeserializer().deserialize(request.GET.get('temporalFilter', '{}'))
se = SearchEngineFactory().create()
if export != None:
limit = settings.SEARCH_EXPORT_ITEMS_PER_PAGE
else:
limit = settings.SEARCH_ITEMS_PER_PAGE
query = Query(se, start=limit*int(page-1), limit=limit)
query.add_aggregation(GeoHashGridAgg(field='points', name='grid', precision=settings.HEX_BIN_PRECISION))
query.add_aggregation(GeoBoundsAgg(field='points', name='bounds'))
search_query = Bool()
if term_filter != '':
for term in JSONDeserializer().deserialize(term_filter):
if term['type'] == 'term':
term_filter = Match(field='strings', query=term['value'], type='phrase')
if term['inverted']:
search_query.must_not(term_filter)
else:
search_query.must(term_filter)
elif term['type'] == 'concept':
concept_ids = _get_child_concepts(term['value'])
conceptid_filter = Terms(field='domains.conceptid', terms=concept_ids)
if term['inverted']:
search_query.must_not(conceptid_filter)
else:
search_query.must(conceptid_filter)
elif term['type'] == 'string':
string_filter = Bool()
string_filter.should(Match(field='strings', query=term['value'], type='phrase_prefix'))
string_filter.should(Match(field='strings.folded', query=term['value'], type='phrase_prefix'))
if term['inverted']:
search_query.must_not(string_filter)
else:
search_query.must(string_filter)
if 'features' in spatial_filter:
if len(spatial_filter['features']) > 0:
feature_geom = spatial_filter['features'][0]['geometry']
feature_properties = spatial_filter['features'][0]['properties']
buffer = {'width':0,'unit':'ft'}
if 'buffer' in feature_properties:
buffer = feature_properties['buffer']
feature_geom = JSONDeserializer().deserialize(_buffer(feature_geom,buffer['width'],buffer['unit']).json)
geoshape = GeoShape(field='geometries.features.geometry', type=feature_geom['type'], coordinates=feature_geom['coordinates'] )
invert_spatial_search = False
if 'inverted' in feature_properties:
invert_spatial_search = feature_properties['inverted']
if invert_spatial_search == True:
search_query.must_not(geoshape)
else:
search_query.must(geoshape)
if 'fromDate' in temporal_filter and 'toDate' in temporal_filter:
now = str(datetime.utcnow())
start_date = None
end_date = None
start_year = 'null'
end_year = 'null'
try:
# start_date = parser.parse(temporal_filter['fromDate'])
# start_date = start_date.isoformat()
sd = FlexiDate.from_str(temporal_filter['fromDate'])
start_date = int((sd.as_float()-1970)*31556952*1000)
#start_year = parser.parse(start_date).year
start_year = sd.year
except:
pass
try:
# end_date = parser.parse(temporal_filter['toDate'])
# end_date = end_date.isoformat()
ed = FlexiDate.from_str(temporal_filter['toDate'])
end_date = int((ed.as_float()-1970)*31556952*1000)
#end_year = parser.parse(end_date).year
end_year = ed.year
except:
pass
# add filter for concepts that define min or max dates
sql = None
basesql = """
SELECT value.conceptid
FROM (
SELECT
{select_clause},
v.conceptid
FROM
public."values" v,
public."values" v2
WHERE
v.conceptid = v2.conceptid and
v.valuetype = 'min_year' and
v2.valuetype = 'max_year'
) as value
WHERE overlap = true;
"""
temporal_query = Bool()
if 'inverted' not in temporal_filter:
temporal_filter['inverted'] = False
if temporal_filter['inverted']:
# inverted date searches need to use an OR clause and are generally more complicated to structure (can't use ES must_not)
# eg: less than START_DATE OR greater than END_DATE
select_clause = []
inverted_date_filter = Bool()
field = 'dates'
if 'dateNodeId' in temporal_filter and temporal_filter['dateNodeId'] != '':
field='tiles.data.%s' % (temporal_filter['dateNodeId'])
if start_date is not None:
inverted_date_filter.should(Range(field=field, lte=start_date))
select_clause.append("(numrange(v.value::int, v2.value::int, '[]') && numrange(null,{start_year},'[]'))")
if end_date is not None:
inverted_date_filter.should(Range(field=field, gte=end_date))
select_clause.append("(numrange(v.value::int, v2.value::int, '[]') && numrange({end_year},null,'[]'))")
if 'dateNodeId' in temporal_filter and temporal_filter['dateNodeId'] != '':
date_range_query = Nested(path='tiles', query=inverted_date_filter)
temporal_query.should(date_range_query)
else:
temporal_query.should(inverted_date_filter)
select_clause = " or ".join(select_clause) + " as overlap"
sql = basesql.format(select_clause=select_clause).format(start_year=start_year, end_year=end_year)
else:
if 'dateNodeId' in temporal_filter and temporal_filter['dateNodeId'] != '':
range = Range(field='tiles.data.%s' % (temporal_filter['dateNodeId']), gte=start_date, lte=end_date)
date_range_query = Nested(path='tiles', query=range)
temporal_query.should(date_range_query)
else:
date_range_query = Range(field='dates', gte=start_date, lte=end_date)
temporal_query.should(date_range_query)
select_clause = """
numrange(v.value::int, v2.value::int, '[]') && numrange({start_year},{end_year},'[]') as overlap
"""
sql = basesql.format(select_clause=select_clause).format(start_year=start_year, end_year=end_year)
# is a dateNodeId is not specified
if sql is not None:
cursor = connection.cursor()
cursor.execute(sql)
ret = [str(row[0]) for row in cursor.fetchall()]
if len(ret) > 0:
conceptid_filter = Terms(field='domains.conceptid', terms=ret)
temporal_query.should(conceptid_filter)
search_query.must(temporal_query)
query.add_query(search_query)
return query
def build_base_search_results_dsl(request):
term_filter = request.GET.get('termFilter', '')
spatial_filter = JSONDeserializer().deserialize(request.GET.get('spatialFilter', None))
export = request.GET.get('export', None)
page = 1 if request.GET.get('page') == '' else int(request.GET.get('page', 1))
temporal_filter = JSONDeserializer().deserialize(request.GET.get('temporalFilter', None))
se = SearchEngineFactory().create()
if export != None:
limit = settings.SEARCH_EXPORT_ITEMS_PER_PAGE
else:
limit = settings.SEARCH_ITEMS_PER_PAGE
query = Query(se, start=limit*int(page-1), limit=limit)
boolquery = Bool()
boolfilter = Bool()
if term_filter != '':
# Ce uporabnik ni avtenticiran, prikazemo le veljavne (to je verjetno potrebno se dodelati (mogoce da vidijo le svoje???)!!!)
if (request.user.username == 'anonymous'):
auto_filter = []
for item in JSONDeserializer().deserialize(term_filter):
auto_filter.append(item)
# Poiscimo concept id in context za Published status
AUTO_TERM_FILTER = get_auto_filter(request)
auto_filter.append(AUTO_TERM_FILTER)
term_filter = JSONSerializer().serialize(auto_filter)
print 'term_filter'
if term_filter != '':
for term in JSONDeserializer().deserialize(term_filter):
print term
if term['type'] == 'term':
entitytype = models.EntityTypes.objects.get(conceptid_id=term['context'])
boolfilter_nested = Bool()
boolfilter_nested.must(Terms(field='child_entities.entitytypeid', terms=[entitytype.pk]))
boolfilter_nested.must(Match(field='child_entities.value', query=term['value'], type='phrase'))
nested = Nested(path='child_entities', query=boolfilter_nested)
if term['inverted']:
boolfilter.must_not(nested)
else:
boolfilter.must(nested)
elif term['type'] == 'concept':
concept_ids = _get_child_concepts(term['value'])
terms = Terms(field='domains.conceptid', terms=concept_ids)
nested = Nested(path='domains', query=terms)
if term['inverted']:
boolfilter.must_not(nested)
else:
boolfilter.must(nested)
elif term['type'] == 'string':
boolfilter_folded = Bool()
boolfilter_folded.should(Match(field='child_entities.value', query=term['value'], type='phrase_prefix'))
boolfilter_folded.should(Match(field='child_entities.value.folded', query=term['value'], type='phrase_prefix'))
nested = Nested(path='child_entities', query=boolfilter_folded)
if term['inverted']:
boolquery.must_not(nested)
else:
boolquery.must(nested)
if 'geometry' in spatial_filter and 'type' in spatial_filter['geometry'] and spatial_filter['geometry']['type'] != '':
geojson = spatial_filter['geometry']
if geojson['type'] == 'bbox':
coordinates = [[geojson['coordinates'][0],geojson['coordinates'][3]], [geojson['coordinates'][2],geojson['coordinates'][1]]]
geoshape = GeoShape(field='geometries.value', type='envelope', coordinates=coordinates )
nested = Nested(path='geometries', query=geoshape)
else:
buffer = spatial_filter['buffer']
geojson = JSONDeserializer().deserialize(_buffer(geojson,buffer['width'],buffer['unit']).json)
geoshape = GeoShape(field='geometries.value', type=geojson['type'], coordinates=geojson['coordinates'] )
nested = Nested(path='geometries', query=geoshape)
if 'inverted' not in spatial_filter:
spatial_filter['inverted'] = False
if spatial_filter['inverted']:
boolfilter.must_not(nested)
else:
boolfilter.must(nested)
if 'year_min_max' in temporal_filter and len(temporal_filter['year_min_max']) == 2:
start_date = date(temporal_filter['year_min_max'][0], 1, 1)
end_date = date(temporal_filter['year_min_max'][1], 12, 31)
if start_date:
start_date = start_date.isoformat()
if end_date:
end_date = end_date.isoformat()
range = Range(field='dates.value', gte=start_date, lte=end_date)
nested = Nested(path='dates', query=range)
if 'inverted' not in temporal_filter:
temporal_filter['inverted'] = False
if temporal_filter['inverted']:
boolfilter.must_not(nested)
else:
boolfilter.must(nested)
if not boolquery.empty:
query.add_query(boolquery)
if not boolfilter.empty:
query.add_filter(boolfilter)
return query
def build_search_results_dsl(request):
# Results are sorted ascendingly by the value of SITE_ID.E42, which is displayed as primary name of Heritage Resources.
# Must go back to this method once new Automatic Resource ID has been fully developed (AZ 10/08/16) Update 06/09/16: EAMENA_ID.E42 now used as sorting criterion.
sorting = {
"child_entities.label": {
"order" : "asc",
"nested_path": "child_entities",
"nested_filter": {
"term": {"child_entities.entitytypeid" : "EAMENA_ID.E42"}
}
}
}
term_filter = request.GET.get('termFilter', '')
spatial_filter = JSONDeserializer().deserialize(request.GET.get('spatialFilter', None))
export = request.GET.get('export', None)
page = 1 if request.GET.get('page') == '' else int(request.GET.get('page', 1))
temporal_filter = JSONDeserializer().deserialize(request.GET.get('temporalFilter', None))
boolean_search = request.GET.get('booleanSearch', '')
filter_and_or = JSONDeserializer().deserialize(request.GET.get('termFilterAndOr', ''))
filter_grouping = JSONDeserializer().deserialize(request.GET.get('termFilterGroup', ''))
filter_combine_flags = JSONDeserializer().deserialize(request.GET.get('termFilterCombineWithPrev', ''))
#Ignore first entry as it is a dummy
filter_combine_flags = filter_combine_flags[1:]
# filter_combine_flags = [False, True, False, False, False]
# filter_groups = JSONDeserializer().deserialize(request.GET.get('termFilterGroups', ''))
# Not here yet, so put in some bogus data
# filter_groups = [
# 'NAME.E41',
# 'NAME.E41',
# 'DISTURBANCE_STATE.E3',
# 'THREAT_STATE.E3'
# ]
se = SearchEngineFactory().create()
if export != None:
limit = settings.SEARCH_EXPORT_ITEMS_PER_PAGE
else:
limit = settings.SEARCH_ITEMS_PER_PAGE
query = Query(se, start=limit*int(page-1), limit=limit)
boolquery = Bool()
boolfilter = Bool()
is_empty_temporal_filter = True
# store each search term in an initially. These will be combined based on the global and/or and the optional groupings
terms_queries = [];
# logging.warning("-------QUERY-------")
if term_filter != '' or not is_empty_temporal_filter:
for index, select_box in enumerate(JSONDeserializer().deserialize(term_filter)):
selectbox_boolfilter = Bool()
groupid = filter_grouping[index]
if not groupid == 'No group':
# build a nested query against the nested_entities
# trace the path from each term to the group root
term_paths = []
for term in select_box:
# trace path from group root to this term
if term['type'] == 'concept':
# get the parent concept for this value i.e. the field
term_parent_concept = Concept.get_parent_concept(term['value'])
# get the steps from the root to that concept
if term_parent_concept.nodetype.nodetype == "Collection":
term_schema = Entity.get_mapping_schema_to(term_parent_concept.legacyoid)
elif term_parent_concept.nodetype.nodetype == 'Concept':
# need to get at the parent until we reach the root collection. concepts are arranged hierarchically
parent_relations_to = models.ConceptRelations.objects.filter(conceptidto=term_parent_concept.conceptid, relationtype='member')
grandparent = models.Concepts.objects.filter(conceptid=parent_relations_to[0].conceptidfrom)
term_schema = Entity.get_mapping_schema_to(grandparent[0].legacyoid)
#this path begins at the root, and ends up at the node in question
term_path = term_schema['HERITAGE_RESOURCE_GROUP.E27']['steps']
term_paths.append({
'term': term,
'path': term_path
})
elif term['type'] == 'term':
concept = models.Concepts.objects.get(conceptid=term['context'])
term_schema = Entity.get_mapping_schema_to(concept.legacyoid)
term_path = term_schema['HERITAGE_RESOURCE_GROUP.E27']['steps']
term_paths.append({
'term': term,
'path': term_path
})
elif term['type'] == 'string':
term_schema = Entity.get_mapping_schema_to(groupid)
term_path = term_schema['HERITAGE_RESOURCE_GROUP.E27']['steps']
term_paths.append({
'term': term,
'path': term_path
})
if 'year_min_max' in temporal_filter[index] and len(temporal_filter[index]['year_min_max']) == 2:
start_date = date(temporal_filter[index]['year_min_max'][0], 1, 1)
end_date = date(temporal_filter[index]['year_min_max'][1], 12, 31)
if start_date:
start_date = start_date.isoformat()
if end_date:
end_date = end_date.isoformat()
if 'inverted' not in temporal_filter[index]:
inverted_temporal_filter = False
else:
if temporal_filter[index]['inverted']:
inverted_temporal_filter = True
else:
inverted_temporal_filter = False
term_paths.append({
'term': {
'date_operator': '3',
'start_date': start_date,
'end_date': end_date,
'type': 'date',
'inverted': inverted_temporal_filter
},
'path': term_path
})
if 'filters' in temporal_filter[index]:
term_schema = Entity.get_mapping_schema_to(groupid)
term_path = term_schema['HERITAGE_RESOURCE_GROUP.E27']['steps']
for temporal_filter_item in temporal_filter[index]['filters']:
date_type = ''
searchdate = ''
date_operator = ''
for node in temporal_filter_item['nodes']:
if node['entitytypeid'] == 'DATE_COMPARISON_OPERATOR.E55':
date_operator = node['value']
elif node['entitytypeid'] == 'date':
searchdate = node['value']
else:
date_type = node['value']
date_value = datetime.strptime(searchdate, '%Y-%m-%d').isoformat()
if 'inverted' not in temporal_filter[index]:
inverted_temporal_filter = False
else:
if temporal_filter[index]['inverted']:
inverted_temporal_filter = True
else:
inverted_temporal_filter = False
term_paths.append({
'term': {
'date_operator': date_operator,
'date_value': date_value,
'type': 'date',
'inverted': inverted_temporal_filter
},
'path': term_path
})
# combine the traced path to build a nested query
group_query = nested_query_from_pathed_values(term_paths, 'nested_entity.child_entities')
# add nested query to overall query
selectbox_boolfilter.must(group_query)
# logging.warning("BOX QUERY - %s", JSONSerializer().serialize(selectbox_boolfilter, indent=2))
else:
for term in select_box:
if term['type'] == 'term':
entitytype = models.EntityTypes.objects.get(conceptid_id=term['context'])
boolfilter_nested = Bool()
boolfilter_nested.must(Terms(field='child_entities.entitytypeid', terms=[entitytype.pk]))
boolfilter_nested.must(Match(field='child_entities.value', query=term['value'], type='phrase'))
nested = Nested(path='child_entities', query=boolfilter_nested)
if filter_and_or[index] == 'or':
if not term['inverted']:
selectbox_boolfilter.should(nested)
else:
if term['inverted']:
selectbox_boolfilter.must_not(nested)
else:
selectbox_boolfilter.must(nested)
elif term['type'] == 'concept':
concept_ids = _get_child_concepts(term['value'])
terms = Terms(field='domains.conceptid', terms=concept_ids)
nested = Nested(path='domains', query=terms)
if filter_and_or[index] == 'or':
if not term['inverted']:
selectbox_boolfilter.should(nested)
else:
if term['inverted']:
selectbox_boolfilter.must_not(nested)
else:
selectbox_boolfilter.must(nested)
elif term['type'] == 'string':
boolquery2 = Bool() #This bool contains the subset of nested string queries on both domains and child_entities paths
boolfilter_folded = Bool() #This bool searches by string in child_entities, where free text strings get indexed
boolfilter_folded2 = Bool() #This bool searches by string in the domains path,where controlled vocabulary concepts get indexed
boolfilter_folded.should(Match(field='child_entities.value', query=term['value'], type='phrase_prefix', fuzziness='AUTO', operator='and'))
boolfilter_folded.should(Match(field='child_entities.value.folded', query=term['value'], type='phrase_prefix', fuzziness='AUTO', operator='and'))
boolfilter_folded.should(Match(field='child_entities.value.folded', query=term['value'], fuzziness='AUTO', operator='and'))
nested = Nested(path='child_entities', query=boolfilter_folded)
boolfilter_folded2.should(Match(field='domains.label', query=term['value'], type='phrase_prefix', fuzziness='AUTO', operator='and'))
boolfilter_folded2.should(Match(field='domains.label.folded', query=term['value'], type='phrase_prefix', fuzziness='AUTO', operator='and'))
boolfilter_folded2.should(Match(field='domains.label.folded', query=term['value'], fuzziness='AUTO', operator='and'))
nested2 = Nested(path='domains', query=boolfilter_folded2)
boolquery2.should(nested)
boolquery2.should(nested2)
if filter_and_or[index] == 'or':
if not term['inverted']:
# use boolfilter here instead of boolquery because boolquery
# can't be combined with other boolfilters using boolean OR
selectbox_boolfilter.should(boolquery2)
else:
if term['inverted']:
selectbox_boolfilter.must_not(boolquery2)
else:
selectbox_boolfilter.must(boolquery2)
if 'year_min_max' in temporal_filter[index] and len(temporal_filter[index]['year_min_max']) == 2:
start_date = date(temporal_filter[index]['year_min_max'][0], 1, 1)
end_date = date(temporal_filter[index]['year_min_max'][1], 12, 31)
if start_date:
start_date = start_date.isoformat()
if end_date:
end_date = end_date.isoformat()
range = Range(field='dates.value', gte=start_date, lte=end_date)
nested = Nested(path='dates', query=range)
if 'inverted' not in temporal_filter[index]:
temporal_filter[index]['inverted'] = False
if temporal_filter[index]['inverted']:
selectbox_boolfilter.must_not(nested)
else:
selectbox_boolfilter.must(nested)
if 'filters' in temporal_filter[index]:
for temporal_filter_item in temporal_filter[index]['filters']:
date_type = ''
searchdate = ''
date_operator = ''
for node in temporal_filter_item['nodes']:
if node['entitytypeid'] == 'DATE_COMPARISON_OPERATOR.E55':
date_operator = node['value']
elif node['entitytypeid'] == 'date':
searchdate = node['value']
else:
date_type = node['value']
date_value = datetime.strptime(searchdate, '%Y-%m-%d').isoformat()
if date_operator == '1': # equals query
range = Range(field='dates.value', gte=date_value, lte=date_value)
elif date_operator == '0': # greater than query
range = Range(field='dates.value', lt=date_value)
elif date_operator == '2': # less than query
range = Range(field='dates.value', gt=date_value)
nested = Nested(path='dates', query=range)
if 'inverted' not in temporal_filter[index]:
temporal_filter[index]['inverted'] = False
if temporal_filter[index]['inverted']:
selectbox_boolfilter.must_not(nested)
else:
selectbox_boolfilter.must(nested)
terms_queries.append(selectbox_boolfilter)
# if not selectbox_boolfilter.empty:
# if boolean_search == 'or':
# boolfilter.should(selectbox_boolfilter)
# else:
# boolfilter.must(selectbox_boolfilter)
# We now have individual query terms for each of the search components. Combine into one group now
# Start by building a an array of groups which will be combined according to the global And/Or
# Queries within one of these groups will be combined by the complement of the global And/Or
# We may end up with [ [A,B], [C], [D,E] ], which would translate to either:
# (A || B) && C && (D || E)
# or
# (A && B) || C || (D && E)
# for global AND or OR respectively
# logging.warning("TERMS QUERIES %s", terms_queries)
bool_components = [];
for i, term_query in enumerate(terms_queries):
if i is 0:
bool_components.append([term_query])
else:
should_group_with_previous = filter_combine_flags[i-1]
if should_group_with_previous:
bool_components[-1].append(term_query)
else:
bool_components.append([term_query])
# logging.warning("BOOL COMPONENTS %s", bool_components)
# Now build the ES queries
for bool_component in bool_components:
if len(bool_component) is 1:
# just combine this on its own
q = bool_component[0]
else:
q = Bool()
for sub_component in bool_component:
if boolean_search == 'or':
#apply the OPPOSITE of the global boolean operator
q.must(sub_component)
else:
q.should(sub_component)
# combine to the overall query according to the global boolean operator
if boolean_search == 'or':
boolfilter.should(q)
else:
boolfilter.must(q)
if 'geometry' in spatial_filter and 'type' in spatial_filter['geometry'] and spatial_filter['geometry']['type'] != '':
geojson = spatial_filter['geometry']
if geojson['type'] == 'bbox':
coordinates = [[geojson['coordinates'][0],geojson['coordinates'][3]], [geojson['coordinates'][2],geojson['coordinates'][1]]]
geoshape = GeoShape(field='geometries.value', type='envelope', coordinates=coordinates )
nested = Nested(path='geometries', query=geoshape)
else:
buffer = spatial_filter['buffer']
geojson = JSONDeserializer().deserialize(_buffer(geojson,buffer['width'],buffer['unit']).json)
geoshape = GeoShape(field='geometries.value', type=geojson['type'], coordinates=geojson['coordinates'] )
nested = Nested(path='geometries', query=geoshape)
if 'inverted' not in spatial_filter:
spatial_filter['inverted'] = False
if spatial_filter['inverted']:
boolfilter.must_not(nested)
else:
boolfilter.must(nested)
if not boolquery.empty:
query.add_query(boolquery)
if not boolfilter.empty:
query.add_filter(boolfilter)
# Sorting criterion added to query (AZ 10/08/16)
query.dsl.update({'sort': sorting})
# logging.warning("-=-==-=-===-=--=-==-=-===-=- query: -=-==-=-===-=--=-==-=-===-=-> %s", query)
return query
